From 36cd91401f7b05baaf556db627cfa271b1f3dae1 Mon Sep 17 00:00:00 2001
From: baiyu <whitefeather0126@gmail.com>
Date: Mon, 21 Apr 2014 11:13:45 +0800
Subject: [PATCH] user score

---
 app/helpers/user_score_helper.rb              | 108 ++
 app/models/user.rb                            |   2 +
 app/models/user_scores.rb                     |  36 +
 .../20140410021724_create_user_score.rb       |  13 +
 ...0413022725_add_filed_to_user_preference.rb |   7 +
 db/schema.rb                                  | 250 ++++-
 db/schema.rb.BASE.rb                          | 887 ++++++++++++++++
 db/schema.rb.LOCAL.rb                         | 895 ++++++++++++++++
 db/schema.rb.REMOTE.rb                        | 958 ++++++++++++++++++
 test/fixtures/join_in_contests.yml            |   9 +
 test/unit/join_in_contest_test.rb             |   7 +
 11 files changed, 3167 insertions(+), 5 deletions(-)
 create mode 100644 app/helpers/user_score_helper.rb
 create mode 100644 app/models/user_scores.rb
 create mode 100644 db/migrate/20140410021724_create_user_score.rb
 create mode 100644 db/migrate/20140413022725_add_filed_to_user_preference.rb
 create mode 100644 db/schema.rb.BASE.rb
 create mode 100644 db/schema.rb.LOCAL.rb
 create mode 100644 db/schema.rb.REMOTE.rb
 create mode 100644 test/fixtures/join_in_contests.yml
 create mode 100644 test/unit/join_in_contest_test.rb

diff --git a/app/helpers/user_score_helper.rb b/app/helpers/user_score_helper.rb
new file mode 100644
index 00000000..ff4a5adb
--- /dev/null
+++ b/app/helpers/user_score_helper.rb
@@ -0,0 +1,108 @@
+# encoding: utf-8
+#
+# Redmine - project management software
+# Copyright (C) 2006-2013  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+module UserScoreHelper
+  def calculate_collaboration_count(user)
+    issue_c = 0
+    issues = Issue.where('author_id = ?', user.id)
+    issues.each do |issue|
+      issue_c = issue_c + issue.journals.where("user_id <> ?", user.id).count
+    end
+    issue_c = issue_c + Journal.where("user_id = ?", user.id)
+    
+    return issue_c
+  end
+
+  def calculate_influence_count(user)
+    watcher_count = watcher_users(User.current.id).count
+  end
+
+  def calculate_skill_count(user)
+    0
+  end
+  
+  def calculate_level(user)
+    1
+  end
+
+  def calculate_activity_count(user)
+    # commit_count = user.changesets.count
+    # issue_details_count = 0
+    # issues = Issue.where('assigned_to_id = ?', user.id)
+    # issues.each do |issue|
+    # change_count = issue.journals.where("prop_key = ?", "done_ratio").count
+    # issue_details_count = change_count + issue_details_count
+    # end
+    # file_count = user.file_commit.count
+    # issue_count = Issue.where('author_id = ?', user.id).count
+    f = user.user_score.file
+    i = user.user_score.issue
+    f_max = UserScore.find_max_file
+    f_min = UserScore.find_min_file
+    i_max = UserScore.find_max_issue
+    i_min = UserScore.find_min_issue
+    score = 100 * ((f - f_min)/(f_max - f_min) + (i - i_min)/(i_max - i_min))
+  end
+
+  def calculate_file(user)
+    file_count = user.file_commit.count
+    issue_count = Issue.where('author_id = ?', user.id).count
+    return (file_count + issue_count)
+  end
+
+  def calculate_issue(user)
+    commit_count = user.changesets.count
+     
+    issue_details_count = 0
+    issues = Issue.where('assigned_to_id = ?', user.id)
+    
+    issues.each do |issue|
+      change_count = issue.journals.where("prop_key = ?", "done_ratio").count
+      issue_details_count = change_count + issue_details_count
+    end
+    
+    return (commit_count + issue_details_count)
+    
+  end
+  
+  def calculate_user_score(user)
+    collaboration = calculate_collaboration_count(user)
+    influence = calculate_influence_count(user)
+    skill = calculate_skill_count(user)
+    activity = calculate_activity_count(user)
+    file = calculate_file(user)
+    issue = calculate_issue(user)
+    level = calculate_level(user)
+    user.user_score << UserScore.new(:collaboration => collaboration, :influence => influence, :skill => skill,
+                                     :activity => activity, :file => file, :issue => issue, :level => level)
+  end
+  
+  def update_user_score(user)
+    collaboration = calculate_collaboration_count(user)
+    influence = calculate_influence_count(user)
+    skill = calculate_skill_count(user)
+    activity = calculate_activity_count(user)
+    file = calculate_file(user)
+    issue = calculate_issue(user)
+    level = calculate_level(user)
+    user.user_score.update_attributes(:collaboration => collaboration, :influence => influence, :skill => skill,
+                                      :activity => activity, :file => file, :issue => issue, :level => level)
+  end
+
+end
diff --git a/app/models/user.rb b/app/models/user.rb
index 674e774d..5d841300 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -90,6 +90,7 @@ class User < Principal
   has_many :students_for_courses
   has_many :courses, :through => :students_for_courses, :source => :project
   has_many :acts, :class_name => 'Activity', :as => :act, :dependent => :destroy
+  has_many :file_commit, :class_name => 'Attachment', :foreign_key => 'author_id', :conditions => "container_tpye = 'Project' or container_type = 'Version'"
 ####  
 # added by bai
   has_many :join_in_contests, :dependent => :destroy
@@ -98,6 +99,7 @@ class User < Principal
   has_many :wiki_contents, :foreign_key => 'author_id'
   has_many :journals
   has_many :messages, :foreign_key => 'author_id'
+  has_one :user_socre, :dependent => :destroy
 # end
 
 ######added by nie
diff --git a/app/models/user_scores.rb b/app/models/user_scores.rb
new file mode 100644
index 00000000..c939a20f
--- /dev/null
+++ b/app/models/user_scores.rb
@@ -0,0 +1,36 @@
+# Redmine - project management software
+# Copyright (C) 2006-2013  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+class UserScore < ActiveRecord::Base
+  belongs_to :user
+
+  def self.find_max_file
+    self.maximum(:file)
+  end
+  
+  def self.find_min_file
+    self.minimum(:file)
+  end
+  
+  def self.find_max_issue
+    self.maximum(:issue)
+  end
+  
+  def self.find_min_issue
+    self.minimum(:file)
+  end
+end
diff --git a/db/migrate/20140410021724_create_user_score.rb b/db/migrate/20140410021724_create_user_score.rb
new file mode 100644
index 00000000..0c1d0e2e
--- /dev/null
+++ b/db/migrate/20140410021724_create_user_score.rb
@@ -0,0 +1,13 @@
+class CreateUserScore < ActiveRecord::Migration
+  def change
+    create_table :user_scores do |t|
+      t.integer :user_id, :null => false
+      t.integer :collaboration
+      t.integer :influence
+      t.integer :skill
+      t.integer :active
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/migrate/20140413022725_add_filed_to_user_preference.rb b/db/migrate/20140413022725_add_filed_to_user_preference.rb
new file mode 100644
index 00000000..5e8d41ae
--- /dev/null
+++ b/db/migrate/20140413022725_add_filed_to_user_preference.rb
@@ -0,0 +1,7 @@
+class AddFiledToUserPreference < ActiveRecord::Migration
+  def change
+    add_column :user_scores, :level, :integer
+    add_column :user_scores, :file, :integer
+    add_column :user_scores, :issue, :integer
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 9584fa81..a7e2244d 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20140320022724) do
+ActiveRecord::Schema.define(:version => 20140413022725) do
 
   create_table "activities", :force => true do |t|
     t.integer "act_id",   :null => false
@@ -23,6 +23,15 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
   add_index "activities", ["user_id", "act_type"], :name => "index_activities_on_user_id_and_act_type"
   add_index "activities", ["user_id"], :name => "index_activities_on_user_id"
 
+  create_table "apply_project_masters", :force => true do |t|
+    t.integer  "user_id"
+    t.string   "apply_type"
+    t.integer  "apply_id"
+    t.integer  "status"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
   create_table "attachments", :force => true do |t|
     t.integer  "container_id"
     t.string   "container_type", :limit => 30
@@ -62,6 +71,20 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
 
   add_index "auth_sources", ["id", "type"], :name => "index_auth_sources_on_id_and_type"
 
+  create_table "bak_mentioned", :primary_key => "Id", :force => true do |t|
+    t.string  "this_real_name",  :limit => 1000
+    t.integer "is_mentioned_in"
+    t.string  "context",         :limit => 2000
+  end
+
+  add_index "bak_mentioned", ["this_real_name", "is_mentioned_in"], :name => "name_mention", :length => {"this_real_name"=>900, "is_mentioned_in"=>nil}
+  add_index "bak_mentioned", ["this_real_name"], :name => "this_real_name"
+  add_index "bak_mentioned", ["this_real_name"], :name => "this_real_name_2"
+  add_index "bak_mentioned", ["this_real_name"], :name => "this_real_name_3", :length => {"this_real_name"=>900}
+  add_index "bak_mentioned", ["this_real_name"], :name => "this_real_name_4"
+  add_index "bak_mentioned", ["this_real_name"], :name => "this_real_name_5"
+  add_index "bak_mentioned", ["this_real_name"], :name => "this_real_name_6"
+
   create_table "biding_projects", :force => true do |t|
     t.integer  "project_id"
     t.integer  "bid_id"
@@ -101,6 +124,11 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
   add_index "boards", ["last_message_id"], :name => "index_boards_on_last_message_id"
   add_index "boards", ["project_id"], :name => "boards_project_id"
 
+  create_table "categories", :primary_key => "Id", :force => true do |t|
+    t.integer "proj_id",         :default => 0, :null => false
+    t.text    "proj_categories"
+  end
+
   create_table "changes", :force => true do |t|
     t.integer "changeset_id",                               :null => false
     t.string  "action",        :limit => 1, :default => "", :null => false
@@ -233,6 +261,14 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
   add_index "documents", ["created_on"], :name => "index_documents_on_created_on"
   add_index "documents", ["project_id"], :name => "documents_project_id"
 
+  create_table "eco_projects", :force => true do |t|
+    t.integer  "proj_id",        :default => 0, :null => false
+    t.integer  "eco_proj_id"
+    t.datetime "date_collected"
+  end
+
+  add_index "eco_projects", ["proj_id"], :name => "proj_id"
+
   create_table "enabled_modules", :force => true do |t|
     t.integer "project_id"
     t.string  "name",       :null => false
@@ -254,6 +290,137 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
   add_index "enumerations", ["id", "type"], :name => "index_enumerations_on_id_and_type"
   add_index "enumerations", ["project_id"], :name => "index_enumerations_on_project_id"
 
+  create_table "events", :primary_key => "event_id", :force => true do |t|
+    t.string   "job_name"
+    t.datetime "event_time"
+    t.string   "event_type", :limit => 20
+  end
+
+  create_table "fm_article", :force => true do |t|
+    t.integer  "proj_id",                            :default => 0, :null => false
+    t.text     "article_title",  :limit => 16777215
+    t.text     "article_link",   :limit => 16777215
+    t.text     "article_time",   :limit => 16777215
+    t.datetime "date_collected"
+  end
+
+  add_index "fm_article", ["proj_id"], :name => "proj_id"
+
+  create_table "fm_bugtracker_link", :force => true do |t|
+    t.integer  "proj_id",                            :default => 0, :null => false
+    t.text     "description",    :limit => 16777215
+    t.datetime "date_collected"
+  end
+
+  add_index "fm_bugtracker_link", ["proj_id"], :name => "proj_id"
+
+  create_table "fm_datametric_link", :force => true do |t|
+    t.integer  "proj_id",                            :default => 0, :null => false
+    t.text     "description",    :limit => 16777215
+    t.datetime "date_collected"
+  end
+
+  add_index "fm_datametric_link", ["proj_id"], :name => "proj_id"
+
+  create_table "fm_dependency_link", :force => true do |t|
+    t.integer  "proj_id",                            :default => 0, :null => false
+    t.text     "description",    :limit => 16777215
+    t.datetime "date_collected"
+  end
+
+  add_index "fm_dependency_link", ["proj_id"], :name => "proj_id"
+
+  create_table "fm_download_link", :force => true do |t|
+    t.integer  "proj_id",                            :default => 0, :null => false
+    t.text     "download_link",  :limit => 16777215
+    t.datetime "date_collected"
+  end
+
+  add_index "fm_download_link", ["proj_id"], :name => "proj_id"
+
+  create_table "fm_heartbeat", :force => true do |t|
+    t.integer  "proj_id",                        :default => 0, :null => false
+    t.float    "popularity_score", :limit => 12
+    t.float    "vitality_score",   :limit => 12
+    t.integer  "subscription"
+    t.integer  "voting_score"
+    t.integer  "voting_count"
+    t.datetime "date_collected"
+  end
+
+  add_index "fm_heartbeat", ["proj_id"], :name => "proj_id"
+
+  create_table "fm_license", :force => true do |t|
+    t.integer  "proj_id",                            :default => 0, :null => false
+    t.text     "description",    :limit => 16777215
+    t.datetime "date_collected"
+  end
+
+  add_index "fm_license", ["proj_id"], :name => "proj_id"
+
+  create_table "fm_mailinglist_link", :force => true do |t|
+    t.integer  "proj_id",                            :default => 0, :null => false
+    t.text     "description",    :limit => 16777215
+    t.datetime "date_collected"
+  end
+
+  add_index "fm_mailinglist_link", ["proj_id"], :name => "proj_id"
+
+  create_table "fm_operating_system", :force => true do |t|
+    t.integer  "proj_id",                            :default => 0, :null => false
+    t.text     "description",    :limit => 16777215
+    t.datetime "date_collected"
+  end
+
+  add_index "fm_operating_system", ["proj_id"], :name => "proj_id"
+
+  create_table "fm_programming_language", :force => true do |t|
+    t.integer  "proj_id",                            :default => 0, :null => false
+    t.text     "description",    :limit => 16777215
+    t.datetime "date_collected"
+  end
+
+  add_index "fm_programming_language", ["proj_id"], :name => "proj_id"
+
+  create_table "fm_project_spotlight", :force => true do |t|
+    t.integer  "proj_id",                                    :default => 0, :null => false
+    t.text     "description",            :limit => 16777215
+    t.text     "project_name",           :limit => 16777215
+    t.text     "project_spotlight_link", :limit => 16777215
+    t.datetime "date_collected"
+  end
+
+  add_index "fm_project_spotlight", ["proj_id"], :name => "proj_id"
+
+  create_table "fm_release", :force => true do |t|
+    t.integer  "proj_id",                             :default => 0, :null => false
+    t.text     "description",     :limit => 16777215
+    t.text     "release_version", :limit => 16777215
+    t.text     "release_time",    :limit => 16777215
+    t.text     "release_tag",     :limit => 16777215
+    t.datetime "date_collected"
+  end
+
+  add_index "fm_release", ["proj_id"], :name => "proj_id"
+
+  create_table "fm_submit", :force => true do |t|
+    t.integer  "proj_id",                            :default => 0, :null => false
+    t.text     "submitter",      :limit => 16777215
+    t.text     "submitter_link", :limit => 16777215
+    t.text     "submit_time",    :limit => 16777215
+    t.datetime "date_collected"
+  end
+
+  add_index "fm_submit", ["proj_id"], :name => "proj_id"
+
+  create_table "fm_summary", :force => true do |t|
+    t.integer  "proj_id",                            :default => 0, :null => false
+    t.text     "description",    :limit => 16777215
+    t.datetime "date_collected"
+  end
+
+  add_index "fm_summary", ["proj_id"], :name => "proj_id"
+
   create_table "forums", :force => true do |t|
     t.string   "name",                         :null => false
     t.string   "description",  :default => ""
@@ -479,6 +646,22 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
   add_index "news", ["created_on"], :name => "index_news_on_created_on"
   add_index "news", ["project_id"], :name => "news_project_id"
 
+  create_table "no_uses", :force => true do |t|
+    t.integer  "user_id",     :null => false
+    t.string   "no_use_type"
+    t.integer  "no_use_id"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+  end
+
+  create_table "ohloh_tagged", :force => true do |t|
+    t.integer  "proj_id",                       :default => 0, :null => false
+    t.string   "description",    :limit => 100,                :null => false
+    t.datetime "date_collected"
+  end
+
+  add_index "ohloh_tagged", ["proj_id"], :name => "proj_id"
+
   create_table "open_id_authentication_associations", :force => true do |t|
     t.integer "issued"
     t.integer "lifetime"
@@ -494,6 +677,19 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
     t.string  "salt",       :null => false
   end
 
+  create_table "open_source_projects", :force => true do |t|
+    t.string   "name"
+    t.text     "description"
+    t.integer  "commit_count",     :default => 0
+    t.integer  "code_line",        :default => 0
+    t.integer  "users_count",      :default => 0
+    t.date     "last_commit_time"
+    t.string   "url"
+    t.date     "date_collected"
+    t.datetime "created_at",                      :null => false
+    t.datetime "updated_at",                      :null => false
+  end
+
   create_table "praise_tread_caches", :force => true do |t|
     t.integer  "object_id",   :null => false
     t.string   "object_type"
@@ -573,6 +769,23 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
   add_index "queries", ["project_id"], :name => "index_queries_on_project_id"
   add_index "queries", ["user_id"], :name => "index_queries_on_user_id"
 
+  create_table "relative_memos", :force => true do |t|
+    t.integer  "osp_id",                                :null => false
+    t.integer  "parent_id"
+    t.string   "subject",                               :null => false
+    t.text     "content",                               :null => false
+    t.integer  "author_id"
+    t.integer  "replies_count",      :default => 0
+    t.integer  "last_reply_id"
+    t.boolean  "lock",               :default => false
+    t.boolean  "sticky",             :default => false
+    t.boolean  "is_quote",           :default => false
+    t.datetime "created_at",                            :null => false
+    t.datetime "updated_at",                            :null => false
+    t.integer  "viewed_count_crawl", :default => 0
+    t.integer  "viewed_count_local", :default => 0
+  end
+
   create_table "repositories", :force => true do |t|
     t.integer "project_id",                  :default => 0,     :null => false
     t.string  "url",                         :default => "",    :null => false
@@ -599,10 +812,8 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
   end
 
   create_table "schools", :force => true do |t|
-    t.string   "name"
-    t.string   "province"
-    t.datetime "created_at", :null => false
-    t.datetime "updated_at", :null => false
+    t.string "name"
+    t.string "province"
   end
 
   create_table "seems_rateable_cached_ratings", :force => true do |t|
@@ -710,6 +921,22 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
   add_index "tokens", ["user_id"], :name => "index_tokens_on_user_id"
   add_index "tokens", ["value"], :name => "tokens_value", :unique => true
 
+  create_table "tprojects", :force => true do |t|
+    t.string   "name",             :limit => 1000,     :default => "0"
+    t.text     "description",      :limit => 16777215
+    t.string   "commit_count",     :limit => 100,      :default => "0"
+    t.string   "code_line",        :limit => 100
+    t.string   "last_commit_time", :limit => 100
+    t.string   "url",              :limit => 1000
+    t.datetime "date_collected"
+    t.string   "created_at",       :limit => 100
+    t.string   "updated_at",       :limit => 100
+    t.integer  "proj_id",                                               :null => false
+    t.string   "user_count",       :limit => 100
+  end
+
+  add_index "tprojects", ["proj_id"], :name => "proj_id"
+
   create_table "trackers", :force => true do |t|
     t.string  "name",          :limit => 30, :default => "",    :null => false
     t.boolean "is_in_chlog",                 :default => false, :null => false
@@ -758,6 +985,19 @@ ActiveRecord::Schema.define(:version => 20140320022724) do
 
   add_index "user_preferences", ["user_id"], :name => "index_user_preferences_on_user_id"
 
+  create_table "user_scores", :force => true do |t|
+    t.integer  "user_id",       :null => false
+    t.integer  "collaboration"
+    t.integer  "influence"
+    t.integer  "skill"
+    t.integer  "active"
+    t.datetime "created_at",    :null => false
+    t.datetime "updated_at",    :null => false
+    t.integer  "level"
+    t.integer  "file"
+    t.integer  "issue"
+  end
+
   create_table "user_statuses", :force => true do |t|
     t.integer  "changesets_count"
     t.integer  "watchers_count"
diff --git a/db/schema.rb.BASE.rb b/db/schema.rb.BASE.rb
new file mode 100644
index 00000000..2bda4fcc
--- /dev/null
+++ b/db/schema.rb.BASE.rb
@@ -0,0 +1,887 @@
+# encoding: UTF-8
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# Note that this schema.rb definition is the authoritative source for your
+# database schema. If you need to create the application database on another
+# system, you should be using db:schema:load, not running all the migrations
+# from scratch. The latter is a flawed and unsustainable approach (the more migrations
+# you'll amass, the slower it'll run and the greater likelihood for issues).
+#
+# It's strongly recommended to check this file into your version control system.
+
+ActiveRecord::Schema.define(:version => 20131224021723) do
+
+  create_table "activities", :force => true do |t|
+    t.integer "act_id",   :null => false
+    t.string  "act_type", :null => false
+    t.integer "user_id",  :null => false
+  end
+
+  add_index "activities", ["act_id", "act_type"], :name => "index_activities_on_act_id_and_act_type"
+  add_index "activities", ["user_id", "act_type"], :name => "index_activities_on_user_id_and_act_type"
+  add_index "activities", ["user_id"], :name => "index_activities_on_user_id"
+
+  create_table "attachments", :force => true do |t|
+    t.integer  "container_id"
+    t.string   "container_type", :limit => 30
+    t.string   "filename",                     :default => "", :null => false
+    t.string   "disk_filename",                :default => "", :null => false
+    t.integer  "filesize",                     :default => 0,  :null => false
+    t.string   "content_type",                 :default => ""
+    t.string   "digest",         :limit => 40, :default => "", :null => false
+    t.integer  "downloads",                    :default => 0,  :null => false
+    t.integer  "author_id",                    :default => 0,  :null => false
+    t.datetime "created_on"
+    t.string   "description"
+    t.string   "disk_directory"
+  end
+
+  add_index "attachments", ["author_id"], :name => "index_attachments_on_author_id"
+  add_index "attachments", ["container_id", "container_type"], :name => "index_attachments_on_container_id_and_container_type"
+  add_index "attachments", ["created_on"], :name => "index_attachments_on_created_on"
+
+  create_table "auth_sources", :force => true do |t|
+    t.string  "type",              :limit => 30, :default => "",    :null => false
+    t.string  "name",              :limit => 60, :default => "",    :null => false
+    t.string  "host",              :limit => 60
+    t.integer "port"
+    t.string  "account"
+    t.string  "account_password",                :default => ""
+    t.string  "base_dn"
+    t.string  "attr_login",        :limit => 30
+    t.string  "attr_firstname",    :limit => 30
+    t.string  "attr_lastname",     :limit => 30
+    t.string  "attr_mail",         :limit => 30
+    t.boolean "onthefly_register",               :default => false, :null => false
+    t.boolean "tls",                             :default => false, :null => false
+    t.string  "filter"
+    t.integer "timeout"
+  end
+
+  add_index "auth_sources", ["id", "type"], :name => "index_auth_sources_on_id_and_type"
+
+  create_table "biding_projects", :force => true do |t|
+    t.integer  "project_id"
+    t.integer  "bid_id"
+    t.integer  "user_id"
+    t.string   "description"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+    t.string   "reward"
+  end
+
+  create_table "bids", :force => true do |t|
+    t.string   "name"
+    t.string   "budget",        :null => false
+    t.integer  "author_id"
+    t.date     "deadline"
+    t.string   "description"
+    t.datetime "created_on",    :null => false
+    t.datetime "updated_on",    :null => false
+    t.integer  "commit"
+    t.integer  "reward_type"
+    t.integer  "homework_type"
+    t.integer  "parent_id"
+    t.string   "password"
+  end
+
+  create_table "boards", :force => true do |t|
+    t.integer "project_id",                      :null => false
+    t.string  "name",            :default => "", :null => false
+    t.string  "description"
+    t.integer "position",        :default => 1
+    t.integer "topics_count",    :default => 0,  :null => false
+    t.integer "messages_count",  :default => 0,  :null => false
+    t.integer "last_message_id"
+    t.integer "parent_id"
+  end
+
+  add_index "boards", ["last_message_id"], :name => "index_boards_on_last_message_id"
+  add_index "boards", ["project_id"], :name => "boards_project_id"
+
+  create_table "changes", :force => true do |t|
+    t.integer "changeset_id",                               :null => false
+    t.string  "action",        :limit => 1, :default => "", :null => false
+    t.text    "path",                                       :null => false
+    t.text    "from_path"
+    t.string  "from_revision"
+    t.string  "revision"
+    t.string  "branch"
+  end
+
+  add_index "changes", ["changeset_id"], :name => "changesets_changeset_id"
+
+  create_table "changeset_parents", :id => false, :force => true do |t|
+    t.integer "changeset_id", :null => false
+    t.integer "parent_id",    :null => false
+  end
+
+  add_index "changeset_parents", ["changeset_id"], :name => "changeset_parents_changeset_ids"
+  add_index "changeset_parents", ["parent_id"], :name => "changeset_parents_parent_ids"
+
+  create_table "changesets", :force => true do |t|
+    t.integer  "repository_id", :null => false
+    t.string   "revision",      :null => false
+    t.string   "committer"
+    t.datetime "committed_on",  :null => false
+    t.text     "comments"
+    t.date     "commit_date"
+    t.string   "scmid"
+    t.integer  "user_id"
+  end
+
+  add_index "changesets", ["committed_on"], :name => "index_changesets_on_committed_on"
+  add_index "changesets", ["repository_id", "revision"], :name => "changesets_repos_rev", :unique => true
+  add_index "changesets", ["repository_id", "scmid"], :name => "changesets_repos_scmid"
+  add_index "changesets", ["repository_id"], :name => "index_changesets_on_repository_id"
+  add_index "changesets", ["user_id"], :name => "index_changesets_on_user_id"
+
+  create_table "changesets_issues", :id => false, :force => true do |t|
+    t.integer "changeset_id", :null => false
+    t.integer "issue_id",     :null => false
+  end
+
+  add_index "changesets_issues", ["changeset_id", "issue_id"], :name => "changesets_issues_ids", :unique => true
+
+  create_table "comments", :force => true do |t|
+    t.string   "commented_type", :limit => 30, :default => "", :null => false
+    t.integer  "commented_id",                 :default => 0,  :null => false
+    t.integer  "author_id",                    :default => 0,  :null => false
+    t.text     "comments"
+    t.datetime "created_on",                                   :null => false
+    t.datetime "updated_on",                                   :null => false
+  end
+
+  add_index "comments", ["author_id"], :name => "index_comments_on_author_id"
+  add_index "comments", ["commented_id", "commented_type"], :name => "index_comments_on_commented_id_and_commented_type"
+
+  create_table "courses", :force => true do |t|
+    t.integer  "tea_id"
+    t.string   "name"
+    t.integer  "state"
+    t.string   "code"
+    t.integer  "time"
+    t.string   "extra"
+    t.datetime "created_at",   :null => false
+    t.datetime "updated_at",   :null => false
+    t.string   "location"
+    t.string   "term"
+    t.string   "string"
+    t.string   "password"
+    t.string   "setup_time"
+    t.string   "endup_time"
+    t.string   "class_period"
+  end
+
+  create_table "custom_fields", :force => true do |t|
+    t.string  "type",            :limit => 30, :default => "",    :null => false
+    t.string  "name",            :limit => 30, :default => "",    :null => false
+    t.string  "field_format",    :limit => 30, :default => "",    :null => false
+    t.text    "possible_values"
+    t.string  "regexp",                        :default => ""
+    t.integer "min_length",                    :default => 0,     :null => false
+    t.integer "max_length",                    :default => 0,     :null => false
+    t.boolean "is_required",                   :default => false, :null => false
+    t.boolean "is_for_all",                    :default => false, :null => false
+    t.boolean "is_filter",                     :default => false, :null => false
+    t.integer "position",                      :default => 1
+    t.boolean "searchable",                    :default => false
+    t.text    "default_value"
+    t.boolean "editable",                      :default => true
+    t.boolean "visible",                       :default => true,  :null => false
+    t.boolean "multiple",                      :default => false
+  end
+
+  add_index "custom_fields", ["id", "type"], :name => "index_custom_fields_on_id_and_type"
+
+  create_table "custom_fields_projects", :id => false, :force => true do |t|
+    t.integer "custom_field_id", :default => 0, :null => false
+    t.integer "project_id",      :default => 0, :null => false
+  end
+
+  add_index "custom_fields_projects", ["custom_field_id", "project_id"], :name => "index_custom_fields_projects_on_custom_field_id_and_project_id", :unique => true
+
+  create_table "custom_fields_trackers", :id => false, :force => true do |t|
+    t.integer "custom_field_id", :default => 0, :null => false
+    t.integer "tracker_id",      :default => 0, :null => false
+  end
+
+  add_index "custom_fields_trackers", ["custom_field_id", "tracker_id"], :name => "index_custom_fields_trackers_on_custom_field_id_and_tracker_id", :unique => true
+
+  create_table "custom_values", :force => true do |t|
+    t.string  "customized_type", :limit => 30, :default => "", :null => false
+    t.integer "customized_id",                 :default => 0,  :null => false
+    t.integer "custom_field_id",               :default => 0,  :null => false
+    t.text    "value"
+  end
+
+  add_index "custom_values", ["custom_field_id"], :name => "index_custom_values_on_custom_field_id"
+  add_index "custom_values", ["customized_type", "customized_id"], :name => "custom_values_customized"
+
+  create_table "documents", :force => true do |t|
+    t.integer  "project_id",                :default => 0,  :null => false
+    t.integer  "category_id",               :default => 0,  :null => false
+    t.string   "title",       :limit => 60, :default => "", :null => false
+    t.text     "description"
+    t.datetime "created_on"
+  end
+
+  add_index "documents", ["category_id"], :name => "index_documents_on_category_id"
+  add_index "documents", ["created_on"], :name => "index_documents_on_created_on"
+  add_index "documents", ["project_id"], :name => "documents_project_id"
+
+  create_table "enabled_modules", :force => true do |t|
+    t.integer "project_id"
+    t.string  "name",       :null => false
+  end
+
+  add_index "enabled_modules", ["project_id"], :name => "enabled_modules_project_id"
+
+  create_table "enumerations", :force => true do |t|
+    t.string  "name",          :limit => 30, :default => "",    :null => false
+    t.integer "position",                    :default => 1
+    t.boolean "is_default",                  :default => false, :null => false
+    t.string  "type"
+    t.boolean "active",                      :default => true,  :null => false
+    t.integer "project_id"
+    t.integer "parent_id"
+    t.string  "position_name", :limit => 30
+  end
+
+  add_index "enumerations", ["id", "type"], :name => "index_enumerations_on_id_and_type"
+  add_index "enumerations", ["project_id"], :name => "index_enumerations_on_project_id"
+
+  create_table "forums", :force => true do |t|
+    t.string   "name",                         :null => false
+    t.string   "description",  :default => ""
+    t.integer  "topic_count",  :default => 0
+    t.integer  "memo_count",   :default => 0
+    t.integer  "last_memo_id", :default => 0
+    t.integer  "creator_id",                   :null => false
+    t.datetime "created_at",                   :null => false
+    t.datetime "updated_at",                   :null => false
+  end
+
+  create_table "groups_users", :id => false, :force => true do |t|
+    t.integer "group_id", :null => false
+    t.integer "user_id",  :null => false
+  end
+
+  add_index "groups_users", ["group_id", "user_id"], :name => "groups_users_ids", :unique => true
+
+  create_table "homework_attaches", :force => true do |t|
+    t.integer  "bid_id"
+    t.integer  "user_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+    t.string   "reward"
+  end
+
+  create_table "homework_for_courses", :force => true do |t|
+    t.integer "project_id"
+    t.integer "bid_id"
+  end
+
+  create_table "issue_categories", :force => true do |t|
+    t.integer "project_id",                   :default => 0,  :null => false
+    t.string  "name",           :limit => 30, :default => "", :null => false
+    t.integer "assigned_to_id"
+  end
+
+  add_index "issue_categories", ["assigned_to_id"], :name => "index_issue_categories_on_assigned_to_id"
+  add_index "issue_categories", ["project_id"], :name => "issue_categories_project_id"
+
+  create_table "issue_relations", :force => true do |t|
+    t.integer "issue_from_id",                 :null => false
+    t.integer "issue_to_id",                   :null => false
+    t.string  "relation_type", :default => "", :null => false
+    t.integer "delay"
+  end
+
+  add_index "issue_relations", ["issue_from_id", "issue_to_id"], :name => "index_issue_relations_on_issue_from_id_and_issue_to_id", :unique => true
+  add_index "issue_relations", ["issue_from_id"], :name => "index_issue_relations_on_issue_from_id"
+  add_index "issue_relations", ["issue_to_id"], :name => "index_issue_relations_on_issue_to_id"
+
+  create_table "issue_statuses", :force => true do |t|
+    t.string  "name",               :limit => 30, :default => "",    :null => false
+    t.boolean "is_closed",                        :default => false, :null => false
+    t.boolean "is_default",                       :default => false, :null => false
+    t.integer "position",                         :default => 1
+    t.integer "default_done_ratio"
+  end
+
+  add_index "issue_statuses", ["is_closed"], :name => "index_issue_statuses_on_is_closed"
+  add_index "issue_statuses", ["is_default"], :name => "index_issue_statuses_on_is_default"
+  add_index "issue_statuses", ["position"], :name => "index_issue_statuses_on_position"
+
+  create_table "issues", :force => true do |t|
+    t.integer  "tracker_id",                          :null => false
+    t.integer  "project_id",                          :null => false
+    t.string   "subject",          :default => "",    :null => false
+    t.text     "description"
+    t.date     "due_date"
+    t.integer  "category_id"
+    t.integer  "status_id",                           :null => false
+    t.integer  "assigned_to_id"
+    t.integer  "priority_id",                         :null => false
+    t.integer  "fixed_version_id"
+    t.integer  "author_id",                           :null => false
+    t.integer  "lock_version",     :default => 0,     :null => false
+    t.datetime "created_on"
+    t.datetime "updated_on"
+    t.date     "start_date"
+    t.integer  "done_ratio",       :default => 0,     :null => false
+    t.float    "estimated_hours"
+    t.integer  "parent_id"
+    t.integer  "root_id"
+    t.integer  "lft"
+    t.integer  "rgt"
+    t.boolean  "is_private",       :default => false, :null => false
+    t.datetime "closed_on"
+  end
+
+  add_index "issues", ["assigned_to_id"], :name => "index_issues_on_assigned_to_id"
+  add_index "issues", ["author_id"], :name => "index_issues_on_author_id"
+  add_index "issues", ["category_id"], :name => "index_issues_on_category_id"
+  add_index "issues", ["created_on"], :name => "index_issues_on_created_on"
+  add_index "issues", ["fixed_version_id"], :name => "index_issues_on_fixed_version_id"
+  add_index "issues", ["priority_id"], :name => "index_issues_on_priority_id"
+  add_index "issues", ["project_id"], :name => "issues_project_id"
+  add_index "issues", ["root_id", "lft", "rgt"], :name => "index_issues_on_root_id_and_lft_and_rgt"
+  add_index "issues", ["status_id"], :name => "index_issues_on_status_id"
+  add_index "issues", ["tracker_id"], :name => "index_issues_on_tracker_id"
+
+  create_table "join_in_contests", :force => true do |t|
+    t.integer  "user_id"
+    t.integer  "bid_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "journal_details", :force => true do |t|
+    t.integer "journal_id",               :default => 0,  :null => false
+    t.string  "property",   :limit => 30, :default => "", :null => false
+    t.string  "prop_key",   :limit => 30, :default => "", :null => false
+    t.text    "old_value"
+    t.text    "value"
+  end
+
+  add_index "journal_details", ["journal_id"], :name => "journal_details_journal_id"
+
+  create_table "journal_replies", :id => false, :force => true do |t|
+    t.integer "journal_id"
+    t.integer "user_id"
+    t.integer "reply_id"
+  end
+
+  add_index "journal_replies", ["journal_id"], :name => "index_journal_replies_on_journal_id"
+  add_index "journal_replies", ["reply_id"], :name => "index_journal_replies_on_reply_id"
+  add_index "journal_replies", ["user_id"], :name => "index_journal_replies_on_user_id"
+
+  create_table "journals", :force => true do |t|
+    t.integer  "journalized_id",                 :default => 0,     :null => false
+    t.string   "journalized_type", :limit => 30, :default => "",    :null => false
+    t.integer  "user_id",                        :default => 0,     :null => false
+    t.text     "notes"
+    t.datetime "created_on",                                        :null => false
+    t.boolean  "private_notes",                  :default => false, :null => false
+  end
+
+  add_index "journals", ["created_on"], :name => "index_journals_on_created_on"
+  add_index "journals", ["journalized_id", "journalized_type"], :name => "journals_journalized_id"
+  add_index "journals", ["journalized_id"], :name => "index_journals_on_journalized_id"
+  add_index "journals", ["user_id"], :name => "index_journals_on_user_id"
+
+  create_table "journals_for_messages", :force => true do |t|
+    t.integer  "jour_id"
+    t.string   "jour_type"
+    t.integer  "user_id"
+    t.text     "notes"
+    t.integer  "status"
+    t.integer  "reply_id"
+    t.datetime "created_on",    :null => false
+    t.datetime "updated_on",    :null => false
+    t.string   "m_parent_id"
+    t.boolean  "is_readed"
+    t.integer  "m_reply_count"
+    t.integer  "m_reply_id"
+  end
+
+  create_table "member_roles", :force => true do |t|
+    t.integer "member_id",      :null => false
+    t.integer "role_id",        :null => false
+    t.integer "inherited_from"
+  end
+
+  add_index "member_roles", ["member_id"], :name => "index_member_roles_on_member_id"
+  add_index "member_roles", ["role_id"], :name => "index_member_roles_on_role_id"
+
+  create_table "members", :force => true do |t|
+    t.integer  "user_id",           :default => 0,     :null => false
+    t.integer  "project_id",        :default => 0,     :null => false
+    t.datetime "created_on"
+    t.boolean  "mail_notification", :default => false, :null => false
+  end
+
+  add_index "members", ["project_id"], :name => "index_members_on_project_id"
+  add_index "members", ["user_id", "project_id"], :name => "index_members_on_user_id_and_project_id", :unique => true
+  add_index "members", ["user_id"], :name => "index_members_on_user_id"
+
+  create_table "memos", :force => true do |t|
+    t.integer  "forum_id",                         :null => false
+    t.integer  "parent_id"
+    t.string   "subject",                          :null => false
+    t.text     "content",                          :null => false
+    t.integer  "author_id",                        :null => false
+    t.integer  "replies_count", :default => 0
+    t.integer  "last_reply_id"
+    t.boolean  "lock",          :default => false
+    t.boolean  "sticky",        :default => false
+    t.datetime "created_at",                       :null => false
+    t.datetime "updated_at",                       :null => false
+    t.integer  "viewed_count",  :default => 0
+  end
+
+  create_table "messages", :force => true do |t|
+    t.integer  "board_id",                         :null => false
+    t.integer  "parent_id"
+    t.string   "subject",       :default => "",    :null => false
+    t.text     "content"
+    t.integer  "author_id"
+    t.integer  "replies_count", :default => 0,     :null => false
+    t.integer  "last_reply_id"
+    t.datetime "created_on",                       :null => false
+    t.datetime "updated_on",                       :null => false
+    t.boolean  "locked",        :default => false
+    t.integer  "sticky",        :default => 0
+  end
+
+  add_index "messages", ["author_id"], :name => "index_messages_on_author_id"
+  add_index "messages", ["board_id"], :name => "messages_board_id"
+  add_index "messages", ["created_on"], :name => "index_messages_on_created_on"
+  add_index "messages", ["last_reply_id"], :name => "index_messages_on_last_reply_id"
+  add_index "messages", ["parent_id"], :name => "messages_parent_id"
+
+  create_table "news", :force => true do |t|
+    t.integer  "project_id"
+    t.string   "title",          :limit => 60, :default => "", :null => false
+    t.string   "summary",                      :default => ""
+    t.text     "description"
+    t.integer  "author_id",                    :default => 0,  :null => false
+    t.datetime "created_on"
+    t.integer  "comments_count",               :default => 0,  :null => false
+  end
+
+  add_index "news", ["author_id"], :name => "index_news_on_author_id"
+  add_index "news", ["created_on"], :name => "index_news_on_created_on"
+  add_index "news", ["project_id"], :name => "news_project_id"
+
+  create_table "open_id_authentication_associations", :force => true do |t|
+    t.integer "issued"
+    t.integer "lifetime"
+    t.string  "handle"
+    t.string  "assoc_type"
+    t.binary  "server_url"
+    t.binary  "secret"
+  end
+
+  create_table "open_id_authentication_nonces", :force => true do |t|
+    t.integer "timestamp",  :null => false
+    t.string  "server_url"
+    t.string  "salt",       :null => false
+  end
+
+  create_table "praise_tread_caches", :force => true do |t|
+    t.integer  "object_id",   :null => false
+    t.string   "object_type"
+    t.integer  "praise_num"
+    t.integer  "tread_num"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+  end
+
+  create_table "praise_treads", :force => true do |t|
+    t.integer  "user_id",                  :null => false
+    t.integer  "praise_tread_object_id"
+    t.string   "praise_tread_object_type"
+    t.integer  "praise_or_tread"
+    t.datetime "created_at",               :null => false
+    t.datetime "updated_at",               :null => false
+  end
+
+  create_table "project_infos", :force => true do |t|
+    t.integer  "project_id"
+    t.integer  "user_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "project_statuses", :force => true do |t|
+    t.integer "changesets_count"
+    t.integer "watchers_count"
+    t.integer "project_id"
+    t.integer "project_type"
+    t.float   "grade",            :default => 0.0
+    t.integer "course_ac_para",   :default => 0
+  end
+
+  add_index "project_statuses", ["grade"], :name => "index_project_statuses_on_grade"
+
+  create_table "projects", :force => true do |t|
+    t.string   "name",            :default => "",    :null => false
+    t.text     "description"
+    t.string   "homepage",        :default => ""
+    t.boolean  "is_public",       :default => true,  :null => false
+    t.integer  "parent_id"
+    t.datetime "created_on"
+    t.datetime "updated_on"
+    t.string   "identifier"
+    t.integer  "status",          :default => 1,     :null => false
+    t.integer  "lft"
+    t.integer  "rgt"
+    t.boolean  "inherit_members", :default => false, :null => false
+    t.integer  "project_type"
+    t.boolean  "hidden_repo",     :default => false, :null => false
+  end
+
+  add_index "projects", ["lft"], :name => "index_projects_on_lft"
+  add_index "projects", ["rgt"], :name => "index_projects_on_rgt"
+
+  create_table "projects_trackers", :id => false, :force => true do |t|
+    t.integer "project_id", :default => 0, :null => false
+    t.integer "tracker_id", :default => 0, :null => false
+  end
+
+  add_index "projects_trackers", ["project_id", "tracker_id"], :name => "projects_trackers_unique", :unique => true
+  add_index "projects_trackers", ["project_id"], :name => "projects_trackers_project_id"
+
+  create_table "queries", :force => true do |t|
+    t.integer "project_id"
+    t.string  "name",          :default => "",    :null => false
+    t.text    "filters"
+    t.integer "user_id",       :default => 0,     :null => false
+    t.boolean "is_public",     :default => false, :null => false
+    t.text    "column_names"
+    t.text    "sort_criteria"
+    t.string  "group_by"
+    t.string  "type"
+  end
+
+  add_index "queries", ["project_id"], :name => "index_queries_on_project_id"
+  add_index "queries", ["user_id"], :name => "index_queries_on_user_id"
+
+  create_table "repositories", :force => true do |t|
+    t.integer "project_id",                  :default => 0,     :null => false
+    t.string  "url",                         :default => "",    :null => false
+    t.string  "login",         :limit => 60, :default => ""
+    t.string  "password",                    :default => ""
+    t.string  "root_url",                    :default => ""
+    t.string  "type"
+    t.string  "path_encoding", :limit => 64
+    t.string  "log_encoding",  :limit => 64
+    t.text    "extra_info"
+    t.string  "identifier"
+    t.boolean "is_default",                  :default => false
+  end
+
+  add_index "repositories", ["project_id"], :name => "index_repositories_on_project_id"
+
+  create_table "roles", :force => true do |t|
+    t.string  "name",              :limit => 30, :default => "",        :null => false
+    t.integer "position",                        :default => 1
+    t.boolean "assignable",                      :default => true
+    t.integer "builtin",                         :default => 0,         :null => false
+    t.text    "permissions"
+    t.string  "issues_visibility", :limit => 30, :default => "default", :null => false
+  end
+
+  create_table "seems_rateable_cached_ratings", :force => true do |t|
+    t.integer  "cacheable_id",   :limit => 8
+    t.string   "cacheable_type"
+    t.float    "avg",                         :null => false
+    t.integer  "cnt",                         :null => false
+    t.string   "dimension"
+    t.datetime "created_at",                  :null => false
+    t.datetime "updated_at",                  :null => false
+  end
+
+  create_table "seems_rateable_rates", :force => true do |t|
+    t.integer  "rater_id",      :limit => 8
+    t.integer  "rateable_id"
+    t.string   "rateable_type"
+    t.float    "stars",                      :null => false
+    t.string   "dimension"
+    t.datetime "created_at",                 :null => false
+    t.datetime "updated_at",                 :null => false
+  end
+
+  create_table "settings", :force => true do |t|
+    t.string   "name",       :default => "", :null => false
+    t.text     "value"
+    t.datetime "updated_on"
+  end
+
+  add_index "settings", ["name"], :name => "index_settings_on_name"
+
+  create_table "shares", :force => true do |t|
+    t.date     "created_on"
+    t.string   "url"
+    t.string   "title"
+    t.integer  "share_type"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+    t.integer  "project_id"
+    t.integer  "user_id"
+    t.string   "description"
+  end
+
+  create_table "students_for_courses", :force => true do |t|
+    t.integer  "student_id"
+    t.integer  "course_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "taggings", :force => true do |t|
+    t.integer  "tag_id"
+    t.integer  "taggable_id"
+    t.string   "taggable_type"
+    t.integer  "tagger_id"
+    t.string   "tagger_type"
+    t.string   "context",       :limit => 128
+    t.datetime "created_at"
+  end
+
+  add_index "taggings", ["tag_id"], :name => "index_taggings_on_tag_id"
+  add_index "taggings", ["taggable_id", "taggable_type", "context"], :name => "index_taggings_on_taggable_id_and_taggable_type_and_context"
+
+  create_table "tags", :force => true do |t|
+    t.string "name"
+  end
+
+  create_table "teachers", :force => true do |t|
+    t.string   "tea_name"
+    t.string   "location"
+    t.integer  "couurse_time"
+    t.integer  "course_code"
+    t.datetime "created_at",   :null => false
+    t.datetime "updated_at",   :null => false
+    t.string   "extra"
+  end
+
+  create_table "time_entries", :force => true do |t|
+    t.integer  "project_id",  :null => false
+    t.integer  "user_id",     :null => false
+    t.integer  "issue_id"
+    t.float    "hours",       :null => false
+    t.string   "comments"
+    t.integer  "activity_id", :null => false
+    t.date     "spent_on",    :null => false
+    t.integer  "tyear",       :null => false
+    t.integer  "tmonth",      :null => false
+    t.integer  "tweek",       :null => false
+    t.datetime "created_on",  :null => false
+    t.datetime "updated_on",  :null => false
+  end
+
+  add_index "time_entries", ["activity_id"], :name => "index_time_entries_on_activity_id"
+  add_index "time_entries", ["created_on"], :name => "index_time_entries_on_created_on"
+  add_index "time_entries", ["issue_id"], :name => "time_entries_issue_id"
+  add_index "time_entries", ["project_id"], :name => "time_entries_project_id"
+  add_index "time_entries", ["user_id"], :name => "index_time_entries_on_user_id"
+
+  create_table "tokens", :force => true do |t|
+    t.integer  "user_id",                  :default => 0,  :null => false
+    t.string   "action",     :limit => 30, :default => "", :null => false
+    t.string   "value",      :limit => 40, :default => "", :null => false
+    t.datetime "created_on",                               :null => false
+  end
+
+  add_index "tokens", ["user_id"], :name => "index_tokens_on_user_id"
+  add_index "tokens", ["value"], :name => "tokens_value", :unique => true
+
+  create_table "trackers", :force => true do |t|
+    t.string  "name",          :limit => 30, :default => "",    :null => false
+    t.boolean "is_in_chlog",                 :default => false, :null => false
+    t.integer "position",                    :default => 1
+    t.boolean "is_in_roadmap",               :default => true,  :null => false
+    t.integer "fields_bits",                 :default => 0
+  end
+
+  create_table "user_extensions", :force => true do |t|
+    t.integer  "user_id",            :null => false
+    t.date     "birthday"
+    t.string   "brief_introduction"
+    t.integer  "gender"
+    t.string   "location"
+    t.string   "occupation"
+    t.integer  "work_experience"
+    t.integer  "zip_code"
+    t.datetime "created_at",         :null => false
+    t.datetime "updated_at",         :null => false
+    t.string   "technical_title"
+    t.integer  "identity"
+    t.string   "student_id"
+    t.string   "teacher_realname"
+    t.string   "student_realname"
+    t.string   "location_city"
+  end
+
+  create_table "user_grades", :force => true do |t|
+    t.integer  "user_id",                     :null => false
+    t.integer  "project_id",                  :null => false
+    t.float    "grade",      :default => 0.0
+    t.datetime "created_at",                  :null => false
+    t.datetime "updated_at",                  :null => false
+  end
+
+  add_index "user_grades", ["grade"], :name => "index_user_grades_on_grade"
+  add_index "user_grades", ["project_id"], :name => "index_user_grades_on_project_id"
+  add_index "user_grades", ["user_id"], :name => "index_user_grades_on_user_id"
+
+  create_table "user_preferences", :force => true do |t|
+    t.integer "user_id",   :default => 0,     :null => false
+    t.text    "others"
+    t.boolean "hide_mail", :default => false
+    t.string  "time_zone"
+  end
+
+  add_index "user_preferences", ["user_id"], :name => "index_user_preferences_on_user_id"
+
+  create_table "user_statuses", :force => true do |t|
+    t.integer  "changesets_count"
+    t.integer  "watchers_count"
+    t.integer  "user_id"
+    t.datetime "created_at",                        :null => false
+    t.datetime "updated_at",                        :null => false
+    t.float    "grade",            :default => 0.0
+  end
+
+  add_index "user_statuses", ["changesets_count"], :name => "index_user_statuses_on_changesets_count"
+  add_index "user_statuses", ["grade"], :name => "index_user_statuses_on_grade"
+  add_index "user_statuses", ["watchers_count"], :name => "index_user_statuses_on_watchers_count"
+
+  create_table "users", :force => true do |t|
+    t.string   "login",                           :default => "",    :null => false
+    t.string   "hashed_password",   :limit => 40, :default => "",    :null => false
+    t.string   "firstname",         :limit => 30, :default => "",    :null => false
+    t.string   "lastname",                        :default => "",    :null => false
+    t.string   "mail",              :limit => 60, :default => "",    :null => false
+    t.boolean  "admin",                           :default => false, :null => false
+    t.integer  "status",                          :default => 1,     :null => false
+    t.datetime "last_login_on"
+    t.string   "language",          :limit => 5,  :default => ""
+    t.integer  "auth_source_id"
+    t.datetime "created_on"
+    t.datetime "updated_on"
+    t.string   "type"
+    t.string   "identity_url"
+    t.string   "mail_notification",               :default => "",    :null => false
+    t.string   "salt",              :limit => 64
+  end
+
+  add_index "users", ["auth_source_id"], :name => "index_users_on_auth_source_id"
+  add_index "users", ["id", "type"], :name => "index_users_on_id_and_type"
+  add_index "users", ["type"], :name => "index_users_on_type"
+
+  create_table "versions", :force => true do |t|
+    t.integer  "project_id",      :default => 0,      :null => false
+    t.string   "name",            :default => "",     :null => false
+    t.string   "description",     :default => ""
+    t.date     "effective_date"
+    t.datetime "created_on"
+    t.datetime "updated_on"
+    t.string   "wiki_page_title"
+    t.string   "status",          :default => "open"
+    t.string   "sharing",         :default => "none", :null => false
+  end
+
+  add_index "versions", ["project_id"], :name => "versions_project_id"
+  add_index "versions", ["sharing"], :name => "index_versions_on_sharing"
+
+  create_table "watchers", :force => true do |t|
+    t.string  "watchable_type", :default => "", :null => false
+    t.integer "watchable_id",   :default => 0,  :null => false
+    t.integer "user_id"
+  end
+
+  add_index "watchers", ["user_id", "watchable_type"], :name => "watchers_user_id_type"
+  add_index "watchers", ["user_id"], :name => "index_watchers_on_user_id"
+  add_index "watchers", ["watchable_id", "watchable_type"], :name => "index_watchers_on_watchable_id_and_watchable_type"
+
+  create_table "wiki_content_versions", :force => true do |t|
+    t.integer  "wiki_content_id",                                       :null => false
+    t.integer  "page_id",                                               :null => false
+    t.integer  "author_id"
+    t.binary   "data",            :limit => 2147483647
+    t.string   "compression",     :limit => 6,          :default => ""
+    t.string   "comments",                              :default => ""
+    t.datetime "updated_on",                                            :null => false
+    t.integer  "version",                                               :null => false
+  end
+
+  add_index "wiki_content_versions", ["updated_on"], :name => "index_wiki_content_versions_on_updated_on"
+  add_index "wiki_content_versions", ["wiki_content_id"], :name => "wiki_content_versions_wcid"
+
+  create_table "wiki_contents", :force => true do |t|
+    t.integer  "page_id",                                          :null => false
+    t.integer  "author_id"
+    t.text     "text",       :limit => 2147483647
+    t.string   "comments",                         :default => ""
+    t.datetime "updated_on",                                       :null => false
+    t.integer  "version",                                          :null => false
+  end
+
+  add_index "wiki_contents", ["author_id"], :name => "index_wiki_contents_on_author_id"
+  add_index "wiki_contents", ["page_id"], :name => "wiki_contents_page_id"
+
+  create_table "wiki_pages", :force => true do |t|
+    t.integer  "wiki_id",                       :null => false
+    t.string   "title",                         :null => false
+    t.datetime "created_on",                    :null => false
+    t.boolean  "protected",  :default => false, :null => false
+    t.integer  "parent_id"
+  end
+
+  add_index "wiki_pages", ["parent_id"], :name => "index_wiki_pages_on_parent_id"
+  add_index "wiki_pages", ["wiki_id", "title"], :name => "wiki_pages_wiki_id_title"
+  add_index "wiki_pages", ["wiki_id"], :name => "index_wiki_pages_on_wiki_id"
+
+  create_table "wiki_redirects", :force => true do |t|
+    t.integer  "wiki_id",      :null => false
+    t.string   "title"
+    t.string   "redirects_to"
+    t.datetime "created_on",   :null => false
+  end
+
+  add_index "wiki_redirects", ["wiki_id", "title"], :name => "wiki_redirects_wiki_id_title"
+  add_index "wiki_redirects", ["wiki_id"], :name => "index_wiki_redirects_on_wiki_id"
+
+  create_table "wikis", :force => true do |t|
+    t.integer "project_id",                :null => false
+    t.string  "start_page",                :null => false
+    t.integer "status",     :default => 1, :null => false
+  end
+
+  add_index "wikis", ["project_id"], :name => "wikis_project_id"
+
+  create_table "workflows", :force => true do |t|
+    t.integer "tracker_id",                  :default => 0,     :null => false
+    t.integer "old_status_id",               :default => 0,     :null => false
+    t.integer "new_status_id",               :default => 0,     :null => false
+    t.integer "role_id",                     :default => 0,     :null => false
+    t.boolean "assignee",                    :default => false, :null => false
+    t.boolean "author",                      :default => false, :null => false
+    t.string  "type",          :limit => 30
+    t.string  "field_name",    :limit => 30
+    t.string  "rule",          :limit => 30
+  end
+
+  add_index "workflows", ["new_status_id"], :name => "index_workflows_on_new_status_id"
+  add_index "workflows", ["old_status_id"], :name => "index_workflows_on_old_status_id"
+  add_index "workflows", ["role_id", "tracker_id", "old_status_id"], :name => "wkfs_role_tracker_old_status"
+  add_index "workflows", ["role_id"], :name => "index_workflows_on_role_id"
+
+end
diff --git a/db/schema.rb.LOCAL.rb b/db/schema.rb.LOCAL.rb
new file mode 100644
index 00000000..9584fa81
--- /dev/null
+++ b/db/schema.rb.LOCAL.rb
@@ -0,0 +1,895 @@
+# encoding: UTF-8
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# Note that this schema.rb definition is the authoritative source for your
+# database schema. If you need to create the application database on another
+# system, you should be using db:schema:load, not running all the migrations
+# from scratch. The latter is a flawed and unsustainable approach (the more migrations
+# you'll amass, the slower it'll run and the greater likelihood for issues).
+#
+# It's strongly recommended to check this file into your version control system.
+
+ActiveRecord::Schema.define(:version => 20140320022724) do
+
+  create_table "activities", :force => true do |t|
+    t.integer "act_id",   :null => false
+    t.string  "act_type", :null => false
+    t.integer "user_id",  :null => false
+  end
+
+  add_index "activities", ["act_id", "act_type"], :name => "index_activities_on_act_id_and_act_type"
+  add_index "activities", ["user_id", "act_type"], :name => "index_activities_on_user_id_and_act_type"
+  add_index "activities", ["user_id"], :name => "index_activities_on_user_id"
+
+  create_table "attachments", :force => true do |t|
+    t.integer  "container_id"
+    t.string   "container_type", :limit => 30
+    t.string   "filename",                     :default => "", :null => false
+    t.string   "disk_filename",                :default => "", :null => false
+    t.integer  "filesize",                     :default => 0,  :null => false
+    t.string   "content_type",                 :default => ""
+    t.string   "digest",         :limit => 40, :default => "", :null => false
+    t.integer  "downloads",                    :default => 0,  :null => false
+    t.integer  "author_id",                    :default => 0,  :null => false
+    t.datetime "created_on"
+    t.string   "description"
+    t.string   "disk_directory"
+  end
+
+  add_index "attachments", ["author_id"], :name => "index_attachments_on_author_id"
+  add_index "attachments", ["container_id", "container_type"], :name => "index_attachments_on_container_id_and_container_type"
+  add_index "attachments", ["created_on"], :name => "index_attachments_on_created_on"
+
+  create_table "auth_sources", :force => true do |t|
+    t.string  "type",              :limit => 30, :default => "",    :null => false
+    t.string  "name",              :limit => 60, :default => "",    :null => false
+    t.string  "host",              :limit => 60
+    t.integer "port"
+    t.string  "account"
+    t.string  "account_password",                :default => ""
+    t.string  "base_dn"
+    t.string  "attr_login",        :limit => 30
+    t.string  "attr_firstname",    :limit => 30
+    t.string  "attr_lastname",     :limit => 30
+    t.string  "attr_mail",         :limit => 30
+    t.boolean "onthefly_register",               :default => false, :null => false
+    t.boolean "tls",                             :default => false, :null => false
+    t.string  "filter"
+    t.integer "timeout"
+  end
+
+  add_index "auth_sources", ["id", "type"], :name => "index_auth_sources_on_id_and_type"
+
+  create_table "biding_projects", :force => true do |t|
+    t.integer  "project_id"
+    t.integer  "bid_id"
+    t.integer  "user_id"
+    t.string   "description"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+    t.string   "reward"
+  end
+
+  create_table "bids", :force => true do |t|
+    t.string   "name"
+    t.string   "budget",        :null => false
+    t.integer  "author_id"
+    t.date     "deadline"
+    t.string   "description"
+    t.datetime "created_on",    :null => false
+    t.datetime "updated_on",    :null => false
+    t.integer  "commit"
+    t.integer  "reward_type"
+    t.integer  "homework_type"
+    t.integer  "parent_id"
+    t.string   "password"
+  end
+
+  create_table "boards", :force => true do |t|
+    t.integer "project_id",                      :null => false
+    t.string  "name",            :default => "", :null => false
+    t.string  "description"
+    t.integer "position",        :default => 1
+    t.integer "topics_count",    :default => 0,  :null => false
+    t.integer "messages_count",  :default => 0,  :null => false
+    t.integer "last_message_id"
+    t.integer "parent_id"
+  end
+
+  add_index "boards", ["last_message_id"], :name => "index_boards_on_last_message_id"
+  add_index "boards", ["project_id"], :name => "boards_project_id"
+
+  create_table "changes", :force => true do |t|
+    t.integer "changeset_id",                               :null => false
+    t.string  "action",        :limit => 1, :default => "", :null => false
+    t.text    "path",                                       :null => false
+    t.text    "from_path"
+    t.string  "from_revision"
+    t.string  "revision"
+    t.string  "branch"
+  end
+
+  add_index "changes", ["changeset_id"], :name => "changesets_changeset_id"
+
+  create_table "changeset_parents", :id => false, :force => true do |t|
+    t.integer "changeset_id", :null => false
+    t.integer "parent_id",    :null => false
+  end
+
+  add_index "changeset_parents", ["changeset_id"], :name => "changeset_parents_changeset_ids"
+  add_index "changeset_parents", ["parent_id"], :name => "changeset_parents_parent_ids"
+
+  create_table "changesets", :force => true do |t|
+    t.integer  "repository_id", :null => false
+    t.string   "revision",      :null => false
+    t.string   "committer"
+    t.datetime "committed_on",  :null => false
+    t.text     "comments"
+    t.date     "commit_date"
+    t.string   "scmid"
+    t.integer  "user_id"
+  end
+
+  add_index "changesets", ["committed_on"], :name => "index_changesets_on_committed_on"
+  add_index "changesets", ["repository_id", "revision"], :name => "changesets_repos_rev", :unique => true
+  add_index "changesets", ["repository_id", "scmid"], :name => "changesets_repos_scmid"
+  add_index "changesets", ["repository_id"], :name => "index_changesets_on_repository_id"
+  add_index "changesets", ["user_id"], :name => "index_changesets_on_user_id"
+
+  create_table "changesets_issues", :id => false, :force => true do |t|
+    t.integer "changeset_id", :null => false
+    t.integer "issue_id",     :null => false
+  end
+
+  add_index "changesets_issues", ["changeset_id", "issue_id"], :name => "changesets_issues_ids", :unique => true
+
+  create_table "comments", :force => true do |t|
+    t.string   "commented_type", :limit => 30, :default => "", :null => false
+    t.integer  "commented_id",                 :default => 0,  :null => false
+    t.integer  "author_id",                    :default => 0,  :null => false
+    t.text     "comments"
+    t.datetime "created_on",                                   :null => false
+    t.datetime "updated_on",                                   :null => false
+  end
+
+  add_index "comments", ["author_id"], :name => "index_comments_on_author_id"
+  add_index "comments", ["commented_id", "commented_type"], :name => "index_comments_on_commented_id_and_commented_type"
+
+  create_table "courses", :force => true do |t|
+    t.integer  "tea_id"
+    t.string   "name"
+    t.integer  "state"
+    t.string   "code"
+    t.integer  "time"
+    t.string   "extra"
+    t.datetime "created_at",   :null => false
+    t.datetime "updated_at",   :null => false
+    t.string   "location"
+    t.string   "term"
+    t.string   "string"
+    t.string   "password"
+    t.string   "setup_time"
+    t.string   "endup_time"
+    t.string   "class_period"
+    t.integer  "school_id"
+  end
+
+  create_table "custom_fields", :force => true do |t|
+    t.string  "type",            :limit => 30, :default => "",    :null => false
+    t.string  "name",            :limit => 30, :default => "",    :null => false
+    t.string  "field_format",    :limit => 30, :default => "",    :null => false
+    t.text    "possible_values"
+    t.string  "regexp",                        :default => ""
+    t.integer "min_length",                    :default => 0,     :null => false
+    t.integer "max_length",                    :default => 0,     :null => false
+    t.boolean "is_required",                   :default => false, :null => false
+    t.boolean "is_for_all",                    :default => false, :null => false
+    t.boolean "is_filter",                     :default => false, :null => false
+    t.integer "position",                      :default => 1
+    t.boolean "searchable",                    :default => false
+    t.text    "default_value"
+    t.boolean "editable",                      :default => true
+    t.boolean "visible",                       :default => true,  :null => false
+    t.boolean "multiple",                      :default => false
+  end
+
+  add_index "custom_fields", ["id", "type"], :name => "index_custom_fields_on_id_and_type"
+
+  create_table "custom_fields_projects", :id => false, :force => true do |t|
+    t.integer "custom_field_id", :default => 0, :null => false
+    t.integer "project_id",      :default => 0, :null => false
+  end
+
+  add_index "custom_fields_projects", ["custom_field_id", "project_id"], :name => "index_custom_fields_projects_on_custom_field_id_and_project_id", :unique => true
+
+  create_table "custom_fields_trackers", :id => false, :force => true do |t|
+    t.integer "custom_field_id", :default => 0, :null => false
+    t.integer "tracker_id",      :default => 0, :null => false
+  end
+
+  add_index "custom_fields_trackers", ["custom_field_id", "tracker_id"], :name => "index_custom_fields_trackers_on_custom_field_id_and_tracker_id", :unique => true
+
+  create_table "custom_values", :force => true do |t|
+    t.string  "customized_type", :limit => 30, :default => "", :null => false
+    t.integer "customized_id",                 :default => 0,  :null => false
+    t.integer "custom_field_id",               :default => 0,  :null => false
+    t.text    "value"
+  end
+
+  add_index "custom_values", ["custom_field_id"], :name => "index_custom_values_on_custom_field_id"
+  add_index "custom_values", ["customized_type", "customized_id"], :name => "custom_values_customized"
+
+  create_table "documents", :force => true do |t|
+    t.integer  "project_id",                :default => 0,  :null => false
+    t.integer  "category_id",               :default => 0,  :null => false
+    t.string   "title",       :limit => 60, :default => "", :null => false
+    t.text     "description"
+    t.datetime "created_on"
+  end
+
+  add_index "documents", ["category_id"], :name => "index_documents_on_category_id"
+  add_index "documents", ["created_on"], :name => "index_documents_on_created_on"
+  add_index "documents", ["project_id"], :name => "documents_project_id"
+
+  create_table "enabled_modules", :force => true do |t|
+    t.integer "project_id"
+    t.string  "name",       :null => false
+  end
+
+  add_index "enabled_modules", ["project_id"], :name => "enabled_modules_project_id"
+
+  create_table "enumerations", :force => true do |t|
+    t.string  "name",          :limit => 30, :default => "",    :null => false
+    t.integer "position",                    :default => 1
+    t.boolean "is_default",                  :default => false, :null => false
+    t.string  "type"
+    t.boolean "active",                      :default => true,  :null => false
+    t.integer "project_id"
+    t.integer "parent_id"
+    t.string  "position_name", :limit => 30
+  end
+
+  add_index "enumerations", ["id", "type"], :name => "index_enumerations_on_id_and_type"
+  add_index "enumerations", ["project_id"], :name => "index_enumerations_on_project_id"
+
+  create_table "forums", :force => true do |t|
+    t.string   "name",                         :null => false
+    t.string   "description",  :default => ""
+    t.integer  "topic_count",  :default => 0
+    t.integer  "memo_count",   :default => 0
+    t.integer  "last_memo_id", :default => 0
+    t.integer  "creator_id",                   :null => false
+    t.datetime "created_at",                   :null => false
+    t.datetime "updated_at",                   :null => false
+  end
+
+  create_table "groups_users", :id => false, :force => true do |t|
+    t.integer "group_id", :null => false
+    t.integer "user_id",  :null => false
+  end
+
+  add_index "groups_users", ["group_id", "user_id"], :name => "groups_users_ids", :unique => true
+
+  create_table "homework_attaches", :force => true do |t|
+    t.integer  "bid_id"
+    t.integer  "user_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+    t.string   "reward"
+  end
+
+  create_table "homework_for_courses", :force => true do |t|
+    t.integer "project_id"
+    t.integer "bid_id"
+  end
+
+  create_table "issue_categories", :force => true do |t|
+    t.integer "project_id",                   :default => 0,  :null => false
+    t.string  "name",           :limit => 30, :default => "", :null => false
+    t.integer "assigned_to_id"
+  end
+
+  add_index "issue_categories", ["assigned_to_id"], :name => "index_issue_categories_on_assigned_to_id"
+  add_index "issue_categories", ["project_id"], :name => "issue_categories_project_id"
+
+  create_table "issue_relations", :force => true do |t|
+    t.integer "issue_from_id",                 :null => false
+    t.integer "issue_to_id",                   :null => false
+    t.string  "relation_type", :default => "", :null => false
+    t.integer "delay"
+  end
+
+  add_index "issue_relations", ["issue_from_id", "issue_to_id"], :name => "index_issue_relations_on_issue_from_id_and_issue_to_id", :unique => true
+  add_index "issue_relations", ["issue_from_id"], :name => "index_issue_relations_on_issue_from_id"
+  add_index "issue_relations", ["issue_to_id"], :name => "index_issue_relations_on_issue_to_id"
+
+  create_table "issue_statuses", :force => true do |t|
+    t.string  "name",               :limit => 30, :default => "",    :null => false
+    t.boolean "is_closed",                        :default => false, :null => false
+    t.boolean "is_default",                       :default => false, :null => false
+    t.integer "position",                         :default => 1
+    t.integer "default_done_ratio"
+  end
+
+  add_index "issue_statuses", ["is_closed"], :name => "index_issue_statuses_on_is_closed"
+  add_index "issue_statuses", ["is_default"], :name => "index_issue_statuses_on_is_default"
+  add_index "issue_statuses", ["position"], :name => "index_issue_statuses_on_position"
+
+  create_table "issues", :force => true do |t|
+    t.integer  "tracker_id",                          :null => false
+    t.integer  "project_id",                          :null => false
+    t.string   "subject",          :default => "",    :null => false
+    t.text     "description"
+    t.date     "due_date"
+    t.integer  "category_id"
+    t.integer  "status_id",                           :null => false
+    t.integer  "assigned_to_id"
+    t.integer  "priority_id",                         :null => false
+    t.integer  "fixed_version_id"
+    t.integer  "author_id",                           :null => false
+    t.integer  "lock_version",     :default => 0,     :null => false
+    t.datetime "created_on"
+    t.datetime "updated_on"
+    t.date     "start_date"
+    t.integer  "done_ratio",       :default => 0,     :null => false
+    t.float    "estimated_hours"
+    t.integer  "parent_id"
+    t.integer  "root_id"
+    t.integer  "lft"
+    t.integer  "rgt"
+    t.boolean  "is_private",       :default => false, :null => false
+    t.datetime "closed_on"
+  end
+
+  add_index "issues", ["assigned_to_id"], :name => "index_issues_on_assigned_to_id"
+  add_index "issues", ["author_id"], :name => "index_issues_on_author_id"
+  add_index "issues", ["category_id"], :name => "index_issues_on_category_id"
+  add_index "issues", ["created_on"], :name => "index_issues_on_created_on"
+  add_index "issues", ["fixed_version_id"], :name => "index_issues_on_fixed_version_id"
+  add_index "issues", ["priority_id"], :name => "index_issues_on_priority_id"
+  add_index "issues", ["project_id"], :name => "issues_project_id"
+  add_index "issues", ["root_id", "lft", "rgt"], :name => "index_issues_on_root_id_and_lft_and_rgt"
+  add_index "issues", ["status_id"], :name => "index_issues_on_status_id"
+  add_index "issues", ["tracker_id"], :name => "index_issues_on_tracker_id"
+
+  create_table "join_in_contests", :force => true do |t|
+    t.integer  "user_id"
+    t.integer  "bid_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "journal_details", :force => true do |t|
+    t.integer "journal_id",               :default => 0,  :null => false
+    t.string  "property",   :limit => 30, :default => "", :null => false
+    t.string  "prop_key",   :limit => 30, :default => "", :null => false
+    t.text    "old_value"
+    t.text    "value"
+  end
+
+  add_index "journal_details", ["journal_id"], :name => "journal_details_journal_id"
+
+  create_table "journal_replies", :id => false, :force => true do |t|
+    t.integer "journal_id"
+    t.integer "user_id"
+    t.integer "reply_id"
+  end
+
+  add_index "journal_replies", ["journal_id"], :name => "index_journal_replies_on_journal_id"
+  add_index "journal_replies", ["reply_id"], :name => "index_journal_replies_on_reply_id"
+  add_index "journal_replies", ["user_id"], :name => "index_journal_replies_on_user_id"
+
+  create_table "journals", :force => true do |t|
+    t.integer  "journalized_id",                 :default => 0,     :null => false
+    t.string   "journalized_type", :limit => 30, :default => "",    :null => false
+    t.integer  "user_id",                        :default => 0,     :null => false
+    t.text     "notes"
+    t.datetime "created_on",                                        :null => false
+    t.boolean  "private_notes",                  :default => false, :null => false
+  end
+
+  add_index "journals", ["created_on"], :name => "index_journals_on_created_on"
+  add_index "journals", ["journalized_id", "journalized_type"], :name => "journals_journalized_id"
+  add_index "journals", ["journalized_id"], :name => "index_journals_on_journalized_id"
+  add_index "journals", ["user_id"], :name => "index_journals_on_user_id"
+
+  create_table "journals_for_messages", :force => true do |t|
+    t.integer  "jour_id"
+    t.string   "jour_type"
+    t.integer  "user_id"
+    t.text     "notes"
+    t.integer  "status"
+    t.integer  "reply_id"
+    t.datetime "created_on",    :null => false
+    t.datetime "updated_on",    :null => false
+    t.string   "m_parent_id"
+    t.boolean  "is_readed"
+    t.integer  "m_reply_count"
+    t.integer  "m_reply_id"
+  end
+
+  create_table "member_roles", :force => true do |t|
+    t.integer "member_id",      :null => false
+    t.integer "role_id",        :null => false
+    t.integer "inherited_from"
+  end
+
+  add_index "member_roles", ["member_id"], :name => "index_member_roles_on_member_id"
+  add_index "member_roles", ["role_id"], :name => "index_member_roles_on_role_id"
+
+  create_table "members", :force => true do |t|
+    t.integer  "user_id",           :default => 0,     :null => false
+    t.integer  "project_id",        :default => 0,     :null => false
+    t.datetime "created_on"
+    t.boolean  "mail_notification", :default => false, :null => false
+  end
+
+  add_index "members", ["project_id"], :name => "index_members_on_project_id"
+  add_index "members", ["user_id", "project_id"], :name => "index_members_on_user_id_and_project_id", :unique => true
+  add_index "members", ["user_id"], :name => "index_members_on_user_id"
+
+  create_table "memos", :force => true do |t|
+    t.integer  "forum_id",                         :null => false
+    t.integer  "parent_id"
+    t.string   "subject",                          :null => false
+    t.text     "content",                          :null => false
+    t.integer  "author_id",                        :null => false
+    t.integer  "replies_count", :default => 0
+    t.integer  "last_reply_id"
+    t.boolean  "lock",          :default => false
+    t.boolean  "sticky",        :default => false
+    t.datetime "created_at",                       :null => false
+    t.datetime "updated_at",                       :null => false
+    t.integer  "viewed_count",  :default => 0
+  end
+
+  create_table "messages", :force => true do |t|
+    t.integer  "board_id",                         :null => false
+    t.integer  "parent_id"
+    t.string   "subject",       :default => "",    :null => false
+    t.text     "content"
+    t.integer  "author_id"
+    t.integer  "replies_count", :default => 0,     :null => false
+    t.integer  "last_reply_id"
+    t.datetime "created_on",                       :null => false
+    t.datetime "updated_on",                       :null => false
+    t.boolean  "locked",        :default => false
+    t.integer  "sticky",        :default => 0
+  end
+
+  add_index "messages", ["author_id"], :name => "index_messages_on_author_id"
+  add_index "messages", ["board_id"], :name => "messages_board_id"
+  add_index "messages", ["created_on"], :name => "index_messages_on_created_on"
+  add_index "messages", ["last_reply_id"], :name => "index_messages_on_last_reply_id"
+  add_index "messages", ["parent_id"], :name => "messages_parent_id"
+
+  create_table "news", :force => true do |t|
+    t.integer  "project_id"
+    t.string   "title",          :limit => 60, :default => "", :null => false
+    t.string   "summary",                      :default => ""
+    t.text     "description"
+    t.integer  "author_id",                    :default => 0,  :null => false
+    t.datetime "created_on"
+    t.integer  "comments_count",               :default => 0,  :null => false
+  end
+
+  add_index "news", ["author_id"], :name => "index_news_on_author_id"
+  add_index "news", ["created_on"], :name => "index_news_on_created_on"
+  add_index "news", ["project_id"], :name => "news_project_id"
+
+  create_table "open_id_authentication_associations", :force => true do |t|
+    t.integer "issued"
+    t.integer "lifetime"
+    t.string  "handle"
+    t.string  "assoc_type"
+    t.binary  "server_url"
+    t.binary  "secret"
+  end
+
+  create_table "open_id_authentication_nonces", :force => true do |t|
+    t.integer "timestamp",  :null => false
+    t.string  "server_url"
+    t.string  "salt",       :null => false
+  end
+
+  create_table "praise_tread_caches", :force => true do |t|
+    t.integer  "object_id",   :null => false
+    t.string   "object_type"
+    t.integer  "praise_num"
+    t.integer  "tread_num"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+  end
+
+  create_table "praise_treads", :force => true do |t|
+    t.integer  "user_id",                  :null => false
+    t.integer  "praise_tread_object_id"
+    t.string   "praise_tread_object_type"
+    t.integer  "praise_or_tread"
+    t.datetime "created_at",               :null => false
+    t.datetime "updated_at",               :null => false
+  end
+
+  create_table "project_infos", :force => true do |t|
+    t.integer  "project_id"
+    t.integer  "user_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "project_statuses", :force => true do |t|
+    t.integer "changesets_count"
+    t.integer "watchers_count"
+    t.integer "project_id"
+    t.integer "project_type"
+    t.float   "grade",            :default => 0.0
+    t.integer "course_ac_para",   :default => 0
+  end
+
+  add_index "project_statuses", ["grade"], :name => "index_project_statuses_on_grade"
+
+  create_table "projects", :force => true do |t|
+    t.string   "name",            :default => "",    :null => false
+    t.text     "description"
+    t.string   "homepage",        :default => ""
+    t.boolean  "is_public",       :default => true,  :null => false
+    t.integer  "parent_id"
+    t.datetime "created_on"
+    t.datetime "updated_on"
+    t.string   "identifier"
+    t.integer  "status",          :default => 1,     :null => false
+    t.integer  "lft"
+    t.integer  "rgt"
+    t.boolean  "inherit_members", :default => false, :null => false
+    t.integer  "project_type"
+    t.boolean  "hidden_repo",     :default => false, :null => false
+  end
+
+  add_index "projects", ["lft"], :name => "index_projects_on_lft"
+  add_index "projects", ["rgt"], :name => "index_projects_on_rgt"
+
+  create_table "projects_trackers", :id => false, :force => true do |t|
+    t.integer "project_id", :default => 0, :null => false
+    t.integer "tracker_id", :default => 0, :null => false
+  end
+
+  add_index "projects_trackers", ["project_id", "tracker_id"], :name => "projects_trackers_unique", :unique => true
+  add_index "projects_trackers", ["project_id"], :name => "projects_trackers_project_id"
+
+  create_table "queries", :force => true do |t|
+    t.integer "project_id"
+    t.string  "name",          :default => "",    :null => false
+    t.text    "filters"
+    t.integer "user_id",       :default => 0,     :null => false
+    t.boolean "is_public",     :default => false, :null => false
+    t.text    "column_names"
+    t.text    "sort_criteria"
+    t.string  "group_by"
+    t.string  "type"
+  end
+
+  add_index "queries", ["project_id"], :name => "index_queries_on_project_id"
+  add_index "queries", ["user_id"], :name => "index_queries_on_user_id"
+
+  create_table "repositories", :force => true do |t|
+    t.integer "project_id",                  :default => 0,     :null => false
+    t.string  "url",                         :default => "",    :null => false
+    t.string  "login",         :limit => 60, :default => ""
+    t.string  "password",                    :default => ""
+    t.string  "root_url",                    :default => ""
+    t.string  "type"
+    t.string  "path_encoding", :limit => 64
+    t.string  "log_encoding",  :limit => 64
+    t.text    "extra_info"
+    t.string  "identifier"
+    t.boolean "is_default",                  :default => false
+  end
+
+  add_index "repositories", ["project_id"], :name => "index_repositories_on_project_id"
+
+  create_table "roles", :force => true do |t|
+    t.string  "name",              :limit => 30, :default => "",        :null => false
+    t.integer "position",                        :default => 1
+    t.boolean "assignable",                      :default => true
+    t.integer "builtin",                         :default => 0,         :null => false
+    t.text    "permissions"
+    t.string  "issues_visibility", :limit => 30, :default => "default", :null => false
+  end
+
+  create_table "schools", :force => true do |t|
+    t.string   "name"
+    t.string   "province"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "seems_rateable_cached_ratings", :force => true do |t|
+    t.integer  "cacheable_id",   :limit => 8
+    t.string   "cacheable_type"
+    t.float    "avg",                         :null => false
+    t.integer  "cnt",                         :null => false
+    t.string   "dimension"
+    t.datetime "created_at",                  :null => false
+    t.datetime "updated_at",                  :null => false
+  end
+
+  create_table "seems_rateable_rates", :force => true do |t|
+    t.integer  "rater_id",      :limit => 8
+    t.integer  "rateable_id"
+    t.string   "rateable_type"
+    t.float    "stars",                      :null => false
+    t.string   "dimension"
+    t.datetime "created_at",                 :null => false
+    t.datetime "updated_at",                 :null => false
+  end
+
+  create_table "settings", :force => true do |t|
+    t.string   "name",       :default => "", :null => false
+    t.text     "value"
+    t.datetime "updated_on"
+  end
+
+  add_index "settings", ["name"], :name => "index_settings_on_name"
+
+  create_table "shares", :force => true do |t|
+    t.date     "created_on"
+    t.string   "url"
+    t.string   "title"
+    t.integer  "share_type"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+    t.integer  "project_id"
+    t.integer  "user_id"
+    t.string   "description"
+  end
+
+  create_table "students_for_courses", :force => true do |t|
+    t.integer  "student_id"
+    t.integer  "course_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "taggings", :force => true do |t|
+    t.integer  "tag_id"
+    t.integer  "taggable_id"
+    t.string   "taggable_type"
+    t.integer  "tagger_id"
+    t.string   "tagger_type"
+    t.string   "context",       :limit => 128
+    t.datetime "created_at"
+  end
+
+  add_index "taggings", ["tag_id"], :name => "index_taggings_on_tag_id"
+  add_index "taggings", ["taggable_id", "taggable_type", "context"], :name => "index_taggings_on_taggable_id_and_taggable_type_and_context"
+
+  create_table "tags", :force => true do |t|
+    t.string "name"
+  end
+
+  create_table "teachers", :force => true do |t|
+    t.string   "tea_name"
+    t.string   "location"
+    t.integer  "couurse_time"
+    t.integer  "course_code"
+    t.datetime "created_at",   :null => false
+    t.datetime "updated_at",   :null => false
+    t.string   "extra"
+  end
+
+  create_table "time_entries", :force => true do |t|
+    t.integer  "project_id",  :null => false
+    t.integer  "user_id",     :null => false
+    t.integer  "issue_id"
+    t.float    "hours",       :null => false
+    t.string   "comments"
+    t.integer  "activity_id", :null => false
+    t.date     "spent_on",    :null => false
+    t.integer  "tyear",       :null => false
+    t.integer  "tmonth",      :null => false
+    t.integer  "tweek",       :null => false
+    t.datetime "created_on",  :null => false
+    t.datetime "updated_on",  :null => false
+  end
+
+  add_index "time_entries", ["activity_id"], :name => "index_time_entries_on_activity_id"
+  add_index "time_entries", ["created_on"], :name => "index_time_entries_on_created_on"
+  add_index "time_entries", ["issue_id"], :name => "time_entries_issue_id"
+  add_index "time_entries", ["project_id"], :name => "time_entries_project_id"
+  add_index "time_entries", ["user_id"], :name => "index_time_entries_on_user_id"
+
+  create_table "tokens", :force => true do |t|
+    t.integer  "user_id",                  :default => 0,  :null => false
+    t.string   "action",     :limit => 30, :default => "", :null => false
+    t.string   "value",      :limit => 40, :default => "", :null => false
+    t.datetime "created_on",                               :null => false
+  end
+
+  add_index "tokens", ["user_id"], :name => "index_tokens_on_user_id"
+  add_index "tokens", ["value"], :name => "tokens_value", :unique => true
+
+  create_table "trackers", :force => true do |t|
+    t.string  "name",          :limit => 30, :default => "",    :null => false
+    t.boolean "is_in_chlog",                 :default => false, :null => false
+    t.integer "position",                    :default => 1
+    t.boolean "is_in_roadmap",               :default => true,  :null => false
+    t.integer "fields_bits",                 :default => 0
+  end
+
+  create_table "user_extensions", :force => true do |t|
+    t.integer  "user_id",            :null => false
+    t.date     "birthday"
+    t.string   "brief_introduction"
+    t.integer  "gender"
+    t.string   "location"
+    t.string   "occupation"
+    t.integer  "work_experience"
+    t.integer  "zip_code"
+    t.datetime "created_at",         :null => false
+    t.datetime "updated_at",         :null => false
+    t.string   "technical_title"
+    t.integer  "identity"
+    t.string   "student_id"
+    t.string   "teacher_realname"
+    t.string   "student_realname"
+    t.string   "location_city"
+  end
+
+  create_table "user_grades", :force => true do |t|
+    t.integer  "user_id",                     :null => false
+    t.integer  "project_id",                  :null => false
+    t.float    "grade",      :default => 0.0
+    t.datetime "created_at",                  :null => false
+    t.datetime "updated_at",                  :null => false
+  end
+
+  add_index "user_grades", ["grade"], :name => "index_user_grades_on_grade"
+  add_index "user_grades", ["project_id"], :name => "index_user_grades_on_project_id"
+  add_index "user_grades", ["user_id"], :name => "index_user_grades_on_user_id"
+
+  create_table "user_preferences", :force => true do |t|
+    t.integer "user_id",   :default => 0,     :null => false
+    t.text    "others"
+    t.boolean "hide_mail", :default => false
+    t.string  "time_zone"
+  end
+
+  add_index "user_preferences", ["user_id"], :name => "index_user_preferences_on_user_id"
+
+  create_table "user_statuses", :force => true do |t|
+    t.integer  "changesets_count"
+    t.integer  "watchers_count"
+    t.integer  "user_id"
+    t.datetime "created_at",                        :null => false
+    t.datetime "updated_at",                        :null => false
+    t.float    "grade",            :default => 0.0
+  end
+
+  add_index "user_statuses", ["changesets_count"], :name => "index_user_statuses_on_changesets_count"
+  add_index "user_statuses", ["grade"], :name => "index_user_statuses_on_grade"
+  add_index "user_statuses", ["watchers_count"], :name => "index_user_statuses_on_watchers_count"
+
+  create_table "users", :force => true do |t|
+    t.string   "login",                           :default => "",    :null => false
+    t.string   "hashed_password",   :limit => 40, :default => "",    :null => false
+    t.string   "firstname",         :limit => 30, :default => "",    :null => false
+    t.string   "lastname",                        :default => "",    :null => false
+    t.string   "mail",              :limit => 60, :default => "",    :null => false
+    t.boolean  "admin",                           :default => false, :null => false
+    t.integer  "status",                          :default => 1,     :null => false
+    t.datetime "last_login_on"
+    t.string   "language",          :limit => 5,  :default => ""
+    t.integer  "auth_source_id"
+    t.datetime "created_on"
+    t.datetime "updated_on"
+    t.string   "type"
+    t.string   "identity_url"
+    t.string   "mail_notification",               :default => "",    :null => false
+    t.string   "salt",              :limit => 64
+  end
+
+  add_index "users", ["auth_source_id"], :name => "index_users_on_auth_source_id"
+  add_index "users", ["id", "type"], :name => "index_users_on_id_and_type"
+  add_index "users", ["type"], :name => "index_users_on_type"
+
+  create_table "versions", :force => true do |t|
+    t.integer  "project_id",      :default => 0,      :null => false
+    t.string   "name",            :default => "",     :null => false
+    t.string   "description",     :default => ""
+    t.date     "effective_date"
+    t.datetime "created_on"
+    t.datetime "updated_on"
+    t.string   "wiki_page_title"
+    t.string   "status",          :default => "open"
+    t.string   "sharing",         :default => "none", :null => false
+  end
+
+  add_index "versions", ["project_id"], :name => "versions_project_id"
+  add_index "versions", ["sharing"], :name => "index_versions_on_sharing"
+
+  create_table "watchers", :force => true do |t|
+    t.string  "watchable_type", :default => "", :null => false
+    t.integer "watchable_id",   :default => 0,  :null => false
+    t.integer "user_id"
+  end
+
+  add_index "watchers", ["user_id", "watchable_type"], :name => "watchers_user_id_type"
+  add_index "watchers", ["user_id"], :name => "index_watchers_on_user_id"
+  add_index "watchers", ["watchable_id", "watchable_type"], :name => "index_watchers_on_watchable_id_and_watchable_type"
+
+  create_table "wiki_content_versions", :force => true do |t|
+    t.integer  "wiki_content_id",                                       :null => false
+    t.integer  "page_id",                                               :null => false
+    t.integer  "author_id"
+    t.binary   "data",            :limit => 2147483647
+    t.string   "compression",     :limit => 6,          :default => ""
+    t.string   "comments",                              :default => ""
+    t.datetime "updated_on",                                            :null => false
+    t.integer  "version",                                               :null => false
+  end
+
+  add_index "wiki_content_versions", ["updated_on"], :name => "index_wiki_content_versions_on_updated_on"
+  add_index "wiki_content_versions", ["wiki_content_id"], :name => "wiki_content_versions_wcid"
+
+  create_table "wiki_contents", :force => true do |t|
+    t.integer  "page_id",                                          :null => false
+    t.integer  "author_id"
+    t.text     "text",       :limit => 2147483647
+    t.string   "comments",                         :default => ""
+    t.datetime "updated_on",                                       :null => false
+    t.integer  "version",                                          :null => false
+  end
+
+  add_index "wiki_contents", ["author_id"], :name => "index_wiki_contents_on_author_id"
+  add_index "wiki_contents", ["page_id"], :name => "wiki_contents_page_id"
+
+  create_table "wiki_pages", :force => true do |t|
+    t.integer  "wiki_id",                       :null => false
+    t.string   "title",                         :null => false
+    t.datetime "created_on",                    :null => false
+    t.boolean  "protected",  :default => false, :null => false
+    t.integer  "parent_id"
+  end
+
+  add_index "wiki_pages", ["parent_id"], :name => "index_wiki_pages_on_parent_id"
+  add_index "wiki_pages", ["wiki_id", "title"], :name => "wiki_pages_wiki_id_title"
+  add_index "wiki_pages", ["wiki_id"], :name => "index_wiki_pages_on_wiki_id"
+
+  create_table "wiki_redirects", :force => true do |t|
+    t.integer  "wiki_id",      :null => false
+    t.string   "title"
+    t.string   "redirects_to"
+    t.datetime "created_on",   :null => false
+  end
+
+  add_index "wiki_redirects", ["wiki_id", "title"], :name => "wiki_redirects_wiki_id_title"
+  add_index "wiki_redirects", ["wiki_id"], :name => "index_wiki_redirects_on_wiki_id"
+
+  create_table "wikis", :force => true do |t|
+    t.integer "project_id",                :null => false
+    t.string  "start_page",                :null => false
+    t.integer "status",     :default => 1, :null => false
+  end
+
+  add_index "wikis", ["project_id"], :name => "wikis_project_id"
+
+  create_table "workflows", :force => true do |t|
+    t.integer "tracker_id",                  :default => 0,     :null => false
+    t.integer "old_status_id",               :default => 0,     :null => false
+    t.integer "new_status_id",               :default => 0,     :null => false
+    t.integer "role_id",                     :default => 0,     :null => false
+    t.boolean "assignee",                    :default => false, :null => false
+    t.boolean "author",                      :default => false, :null => false
+    t.string  "type",          :limit => 30
+    t.string  "field_name",    :limit => 30
+    t.string  "rule",          :limit => 30
+  end
+
+  add_index "workflows", ["new_status_id"], :name => "index_workflows_on_new_status_id"
+  add_index "workflows", ["old_status_id"], :name => "index_workflows_on_old_status_id"
+  add_index "workflows", ["role_id", "tracker_id", "old_status_id"], :name => "wkfs_role_tracker_old_status"
+  add_index "workflows", ["role_id"], :name => "index_workflows_on_role_id"
+
+end
diff --git a/db/schema.rb.REMOTE.rb b/db/schema.rb.REMOTE.rb
new file mode 100644
index 00000000..e0e25893
--- /dev/null
+++ b/db/schema.rb.REMOTE.rb
@@ -0,0 +1,958 @@
+# encoding: UTF-8
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# Note that this schema.rb definition is the authoritative source for your
+# database schema. If you need to create the application database on another
+# system, you should be using db:schema:load, not running all the migrations
+# from scratch. The latter is a flawed and unsustainable approach (the more migrations
+# you'll amass, the slower it'll run and the greater likelihood for issues).
+#
+# It's strongly recommended to check this file into your version control system.
+
+ActiveRecord::Schema.define(:version => 20140411005214) do
+
+  create_table "activities", :force => true do |t|
+    t.integer "act_id",   :null => false
+    t.string  "act_type", :null => false
+    t.integer "user_id",  :null => false
+  end
+
+  add_index "activities", ["act_id", "act_type"], :name => "index_activities_on_act_id_and_act_type"
+  add_index "activities", ["user_id", "act_type"], :name => "index_activities_on_user_id_and_act_type"
+  add_index "activities", ["user_id"], :name => "index_activities_on_user_id"
+
+  create_table "attachments", :force => true do |t|
+    t.integer  "container_id"
+    t.string   "container_type", :limit => 30
+    t.string   "filename",                     :default => "", :null => false
+    t.string   "disk_filename",                :default => "", :null => false
+    t.integer  "filesize",                     :default => 0,  :null => false
+    t.string   "content_type",                 :default => ""
+    t.string   "digest",         :limit => 40, :default => "", :null => false
+    t.integer  "downloads",                    :default => 0,  :null => false
+    t.integer  "author_id",                    :default => 0,  :null => false
+    t.datetime "created_on"
+    t.string   "description"
+    t.string   "disk_directory"
+  end
+
+  add_index "attachments", ["author_id"], :name => "index_attachments_on_author_id"
+  add_index "attachments", ["container_id", "container_type"], :name => "index_attachments_on_container_id_and_container_type"
+  add_index "attachments", ["created_on"], :name => "index_attachments_on_created_on"
+
+  create_table "auth_sources", :force => true do |t|
+    t.string  "type",              :limit => 30, :default => "",    :null => false
+    t.string  "name",              :limit => 60, :default => "",    :null => false
+    t.string  "host",              :limit => 60
+    t.integer "port"
+    t.string  "account"
+    t.string  "account_password",                :default => ""
+    t.string  "base_dn"
+    t.string  "attr_login",        :limit => 30
+    t.string  "attr_firstname",    :limit => 30
+    t.string  "attr_lastname",     :limit => 30
+    t.string  "attr_mail",         :limit => 30
+    t.boolean "onthefly_register",               :default => false, :null => false
+    t.boolean "tls",                             :default => false, :null => false
+    t.string  "filter"
+    t.integer "timeout"
+  end
+
+  add_index "auth_sources", ["id", "type"], :name => "index_auth_sources_on_id_and_type"
+
+  create_table "biding_projects", :force => true do |t|
+    t.integer  "project_id"
+    t.integer  "bid_id"
+    t.integer  "user_id"
+    t.string   "description"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+    t.string   "reward"
+  end
+
+  create_table "bids", :force => true do |t|
+    t.string   "name"
+    t.string   "budget",        :null => false
+    t.integer  "author_id"
+    t.date     "deadline"
+    t.string   "description"
+    t.datetime "created_on",    :null => false
+    t.datetime "updated_on",    :null => false
+    t.integer  "commit"
+    t.integer  "reward_type"
+    t.integer  "homework_type"
+    t.integer  "parent_id"
+    t.string   "password"
+  end
+
+  create_table "boards", :force => true do |t|
+    t.integer "project_id",                      :null => false
+    t.string  "name",            :default => "", :null => false
+    t.string  "description"
+    t.integer "position",        :default => 1
+    t.integer "topics_count",    :default => 0,  :null => false
+    t.integer "messages_count",  :default => 0,  :null => false
+    t.integer "last_message_id"
+    t.integer "parent_id"
+  end
+
+  add_index "boards", ["last_message_id"], :name => "index_boards_on_last_message_id"
+  add_index "boards", ["project_id"], :name => "boards_project_id"
+
+  create_table "changes", :force => true do |t|
+    t.integer "changeset_id",                               :null => false
+    t.string  "action",        :limit => 1, :default => "", :null => false
+    t.text    "path",                                       :null => false
+    t.text    "from_path"
+    t.string  "from_revision"
+    t.string  "revision"
+    t.string  "branch"
+  end
+
+  add_index "changes", ["changeset_id"], :name => "changesets_changeset_id"
+
+  create_table "changeset_parents", :id => false, :force => true do |t|
+    t.integer "changeset_id", :null => false
+    t.integer "parent_id",    :null => false
+  end
+
+  add_index "changeset_parents", ["changeset_id"], :name => "changeset_parents_changeset_ids"
+  add_index "changeset_parents", ["parent_id"], :name => "changeset_parents_parent_ids"
+
+  create_table "changesets", :force => true do |t|
+    t.integer  "repository_id", :null => false
+    t.string   "revision",      :null => false
+    t.string   "committer"
+    t.datetime "committed_on",  :null => false
+    t.text     "comments"
+    t.date     "commit_date"
+    t.string   "scmid"
+    t.integer  "user_id"
+  end
+
+  add_index "changesets", ["committed_on"], :name => "index_changesets_on_committed_on"
+  add_index "changesets", ["repository_id", "revision"], :name => "changesets_repos_rev", :unique => true
+  add_index "changesets", ["repository_id", "scmid"], :name => "changesets_repos_scmid"
+  add_index "changesets", ["repository_id"], :name => "index_changesets_on_repository_id"
+  add_index "changesets", ["user_id"], :name => "index_changesets_on_user_id"
+
+  create_table "changesets_issues", :id => false, :force => true do |t|
+    t.integer "changeset_id", :null => false
+    t.integer "issue_id",     :null => false
+  end
+
+  add_index "changesets_issues", ["changeset_id", "issue_id"], :name => "changesets_issues_ids", :unique => true
+
+  create_table "comments", :force => true do |t|
+    t.string   "commented_type", :limit => 30, :default => "", :null => false
+    t.integer  "commented_id",                 :default => 0,  :null => false
+    t.integer  "author_id",                    :default => 0,  :null => false
+    t.text     "comments"
+    t.datetime "created_on",                                   :null => false
+    t.datetime "updated_on",                                   :null => false
+  end
+
+  add_index "comments", ["author_id"], :name => "index_comments_on_author_id"
+  add_index "comments", ["commented_id", "commented_type"], :name => "index_comments_on_commented_id_and_commented_type"
+
+  create_table "contesting_projects", :force => true do |t|
+    t.integer  "project_id"
+    t.string   "contest_id"
+    t.integer  "user_id"
+    t.string   "description"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+    t.string   "reward"
+  end
+
+  create_table "contesting_softapplications", :force => true do |t|
+    t.integer  "softapplication_id"
+    t.integer  "contest_id"
+    t.integer  "user_id"
+    t.string   "description"
+    t.datetime "created_at",         :null => false
+    t.datetime "updated_at",         :null => false
+    t.string   "reward"
+  end
+
+  create_table "contests", :force => true do |t|
+    t.string   "name"
+    t.integer  "budget"
+    t.integer  "author_id"
+    t.date     "deadline"
+    t.string   "description"
+    t.integer  "commit"
+    t.string   "password"
+    t.datetime "created_on",  :null => false
+    t.datetime "updated_on",  :null => false
+  end
+
+  create_table "courses", :force => true do |t|
+    t.integer  "tea_id"
+    t.string   "name"
+    t.integer  "state"
+    t.string   "code"
+    t.integer  "time"
+    t.string   "extra"
+    t.datetime "created_at",   :null => false
+    t.datetime "updated_at",   :null => false
+    t.string   "location"
+    t.string   "term"
+    t.string   "string"
+    t.string   "password"
+    t.string   "setup_time"
+    t.string   "endup_time"
+    t.string   "class_period"
+    t.integer  "school_id"
+  end
+
+  create_table "custom_fields", :force => true do |t|
+    t.string  "type",            :limit => 30, :default => "",    :null => false
+    t.string  "name",            :limit => 30, :default => "",    :null => false
+    t.string  "field_format",    :limit => 30, :default => "",    :null => false
+    t.text    "possible_values"
+    t.string  "regexp",                        :default => ""
+    t.integer "min_length",                    :default => 0,     :null => false
+    t.integer "max_length",                    :default => 0,     :null => false
+    t.boolean "is_required",                   :default => false, :null => false
+    t.boolean "is_for_all",                    :default => false, :null => false
+    t.boolean "is_filter",                     :default => false, :null => false
+    t.integer "position",                      :default => 1
+    t.boolean "searchable",                    :default => false
+    t.text    "default_value"
+    t.boolean "editable",                      :default => true
+    t.boolean "visible",                       :default => true,  :null => false
+    t.boolean "multiple",                      :default => false
+  end
+
+  add_index "custom_fields", ["id", "type"], :name => "index_custom_fields_on_id_and_type"
+
+  create_table "custom_fields_projects", :id => false, :force => true do |t|
+    t.integer "custom_field_id", :default => 0, :null => false
+    t.integer "project_id",      :default => 0, :null => false
+  end
+
+  add_index "custom_fields_projects", ["custom_field_id", "project_id"], :name => "index_custom_fields_projects_on_custom_field_id_and_project_id", :unique => true
+
+  create_table "custom_fields_trackers", :id => false, :force => true do |t|
+    t.integer "custom_field_id", :default => 0, :null => false
+    t.integer "tracker_id",      :default => 0, :null => false
+  end
+
+  add_index "custom_fields_trackers", ["custom_field_id", "tracker_id"], :name => "index_custom_fields_trackers_on_custom_field_id_and_tracker_id", :unique => true
+
+  create_table "custom_values", :force => true do |t|
+    t.string  "customized_type", :limit => 30, :default => "", :null => false
+    t.integer "customized_id",                 :default => 0,  :null => false
+    t.integer "custom_field_id",               :default => 0,  :null => false
+    t.text    "value"
+  end
+
+  add_index "custom_values", ["custom_field_id"], :name => "index_custom_values_on_custom_field_id"
+  add_index "custom_values", ["customized_type", "customized_id"], :name => "custom_values_customized"
+
+  create_table "documents", :force => true do |t|
+    t.integer  "project_id",                :default => 0,  :null => false
+    t.integer  "category_id",               :default => 0,  :null => false
+    t.string   "title",       :limit => 60, :default => "", :null => false
+    t.text     "description"
+    t.datetime "created_on"
+  end
+
+  add_index "documents", ["category_id"], :name => "index_documents_on_category_id"
+  add_index "documents", ["created_on"], :name => "index_documents_on_created_on"
+  add_index "documents", ["project_id"], :name => "documents_project_id"
+
+  create_table "enabled_modules", :force => true do |t|
+    t.integer "project_id"
+    t.string  "name",       :null => false
+  end
+
+  add_index "enabled_modules", ["project_id"], :name => "enabled_modules_project_id"
+
+  create_table "enumerations", :force => true do |t|
+    t.string  "name",          :limit => 30, :default => "",    :null => false
+    t.integer "position",                    :default => 1
+    t.boolean "is_default",                  :default => false, :null => false
+    t.string  "type"
+    t.boolean "active",                      :default => true,  :null => false
+    t.integer "project_id"
+    t.integer "parent_id"
+    t.string  "position_name", :limit => 30
+  end
+
+  add_index "enumerations", ["id", "type"], :name => "index_enumerations_on_id_and_type"
+  add_index "enumerations", ["project_id"], :name => "index_enumerations_on_project_id"
+
+  create_table "forums", :force => true do |t|
+    t.string   "name",                         :null => false
+    t.string   "description",  :default => ""
+    t.integer  "topic_count",  :default => 0
+    t.integer  "memo_count",   :default => 0
+    t.integer  "last_memo_id", :default => 0
+    t.integer  "creator_id",                   :null => false
+    t.datetime "created_at",                   :null => false
+    t.datetime "updated_at",                   :null => false
+  end
+
+  create_table "groups_users", :id => false, :force => true do |t|
+    t.integer "group_id", :null => false
+    t.integer "user_id",  :null => false
+  end
+
+  add_index "groups_users", ["group_id", "user_id"], :name => "groups_users_ids", :unique => true
+
+  create_table "homework_attaches", :force => true do |t|
+    t.integer  "bid_id"
+    t.integer  "user_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+    t.string   "reward"
+  end
+
+  create_table "homework_for_courses", :force => true do |t|
+    t.integer "project_id"
+    t.integer "bid_id"
+  end
+
+  create_table "issue_categories", :force => true do |t|
+    t.integer "project_id",                   :default => 0,  :null => false
+    t.string  "name",           :limit => 30, :default => "", :null => false
+    t.integer "assigned_to_id"
+  end
+
+  add_index "issue_categories", ["assigned_to_id"], :name => "index_issue_categories_on_assigned_to_id"
+  add_index "issue_categories", ["project_id"], :name => "issue_categories_project_id"
+
+  create_table "issue_relations", :force => true do |t|
+    t.integer "issue_from_id",                 :null => false
+    t.integer "issue_to_id",                   :null => false
+    t.string  "relation_type", :default => "", :null => false
+    t.integer "delay"
+  end
+
+  add_index "issue_relations", ["issue_from_id", "issue_to_id"], :name => "index_issue_relations_on_issue_from_id_and_issue_to_id", :unique => true
+  add_index "issue_relations", ["issue_from_id"], :name => "index_issue_relations_on_issue_from_id"
+  add_index "issue_relations", ["issue_to_id"], :name => "index_issue_relations_on_issue_to_id"
+
+  create_table "issue_statuses", :force => true do |t|
+    t.string  "name",               :limit => 30, :default => "",    :null => false
+    t.boolean "is_closed",                        :default => false, :null => false
+    t.boolean "is_default",                       :default => false, :null => false
+    t.integer "position",                         :default => 1
+    t.integer "default_done_ratio"
+  end
+
+  add_index "issue_statuses", ["is_closed"], :name => "index_issue_statuses_on_is_closed"
+  add_index "issue_statuses", ["is_default"], :name => "index_issue_statuses_on_is_default"
+  add_index "issue_statuses", ["position"], :name => "index_issue_statuses_on_position"
+
+  create_table "issues", :force => true do |t|
+    t.integer  "tracker_id",                          :null => false
+    t.integer  "project_id",                          :null => false
+    t.string   "subject",          :default => "",    :null => false
+    t.text     "description"
+    t.date     "due_date"
+    t.integer  "category_id"
+    t.integer  "status_id",                           :null => false
+    t.integer  "assigned_to_id"
+    t.integer  "priority_id",                         :null => false
+    t.integer  "fixed_version_id"
+    t.integer  "author_id",                           :null => false
+    t.integer  "lock_version",     :default => 0,     :null => false
+    t.datetime "created_on"
+    t.datetime "updated_on"
+    t.date     "start_date"
+    t.integer  "done_ratio",       :default => 0,     :null => false
+    t.float    "estimated_hours"
+    t.integer  "parent_id"
+    t.integer  "root_id"
+    t.integer  "lft"
+    t.integer  "rgt"
+    t.boolean  "is_private",       :default => false, :null => false
+    t.datetime "closed_on"
+  end
+
+  add_index "issues", ["assigned_to_id"], :name => "index_issues_on_assigned_to_id"
+  add_index "issues", ["author_id"], :name => "index_issues_on_author_id"
+  add_index "issues", ["category_id"], :name => "index_issues_on_category_id"
+  add_index "issues", ["created_on"], :name => "index_issues_on_created_on"
+  add_index "issues", ["fixed_version_id"], :name => "index_issues_on_fixed_version_id"
+  add_index "issues", ["priority_id"], :name => "index_issues_on_priority_id"
+  add_index "issues", ["project_id"], :name => "issues_project_id"
+  add_index "issues", ["root_id", "lft", "rgt"], :name => "index_issues_on_root_id_and_lft_and_rgt"
+  add_index "issues", ["status_id"], :name => "index_issues_on_status_id"
+  add_index "issues", ["tracker_id"], :name => "index_issues_on_tracker_id"
+
+  create_table "join_in_competitions", :force => true do |t|
+    t.integer  "user_id"
+    t.integer  "competition_id"
+    t.datetime "created_at",     :null => false
+    t.datetime "updated_at",     :null => false
+  end
+
+  create_table "join_in_contests", :force => true do |t|
+    t.integer  "user_id"
+    t.integer  "bid_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "journal_details", :force => true do |t|
+    t.integer "journal_id",               :default => 0,  :null => false
+    t.string  "property",   :limit => 30, :default => "", :null => false
+    t.string  "prop_key",   :limit => 30, :default => "", :null => false
+    t.text    "old_value"
+    t.text    "value"
+  end
+
+  add_index "journal_details", ["journal_id"], :name => "journal_details_journal_id"
+
+  create_table "journal_replies", :id => false, :force => true do |t|
+    t.integer "journal_id"
+    t.integer "user_id"
+    t.integer "reply_id"
+  end
+
+  add_index "journal_replies", ["journal_id"], :name => "index_journal_replies_on_journal_id"
+  add_index "journal_replies", ["reply_id"], :name => "index_journal_replies_on_reply_id"
+  add_index "journal_replies", ["user_id"], :name => "index_journal_replies_on_user_id"
+
+  create_table "journals", :force => true do |t|
+    t.integer  "journalized_id",                 :default => 0,     :null => false
+    t.string   "journalized_type", :limit => 30, :default => "",    :null => false
+    t.integer  "user_id",                        :default => 0,     :null => false
+    t.text     "notes"
+    t.datetime "created_on",                                        :null => false
+    t.boolean  "private_notes",                  :default => false, :null => false
+  end
+
+  add_index "journals", ["created_on"], :name => "index_journals_on_created_on"
+  add_index "journals", ["journalized_id", "journalized_type"], :name => "journals_journalized_id"
+  add_index "journals", ["journalized_id"], :name => "index_journals_on_journalized_id"
+  add_index "journals", ["user_id"], :name => "index_journals_on_user_id"
+
+  create_table "journals_for_messages", :force => true do |t|
+    t.integer  "jour_id"
+    t.string   "jour_type"
+    t.integer  "user_id"
+    t.text     "notes"
+    t.integer  "status"
+    t.integer  "reply_id"
+    t.datetime "created_on",    :null => false
+    t.datetime "updated_on",    :null => false
+    t.string   "m_parent_id"
+    t.boolean  "is_readed"
+    t.integer  "m_reply_count"
+    t.integer  "m_reply_id"
+  end
+
+  create_table "member_roles", :force => true do |t|
+    t.integer "member_id",      :null => false
+    t.integer "role_id",        :null => false
+    t.integer "inherited_from"
+  end
+
+  add_index "member_roles", ["member_id"], :name => "index_member_roles_on_member_id"
+  add_index "member_roles", ["role_id"], :name => "index_member_roles_on_role_id"
+
+  create_table "members", :force => true do |t|
+    t.integer  "user_id",           :default => 0,     :null => false
+    t.integer  "project_id",        :default => 0,     :null => false
+    t.datetime "created_on"
+    t.boolean  "mail_notification", :default => false, :null => false
+  end
+
+  add_index "members", ["project_id"], :name => "index_members_on_project_id"
+  add_index "members", ["user_id", "project_id"], :name => "index_members_on_user_id_and_project_id", :unique => true
+  add_index "members", ["user_id"], :name => "index_members_on_user_id"
+
+  create_table "memos", :force => true do |t|
+    t.integer  "forum_id",                         :null => false
+    t.integer  "parent_id"
+    t.string   "subject",                          :null => false
+    t.text     "content",                          :null => false
+    t.integer  "author_id",                        :null => false
+    t.integer  "replies_count", :default => 0
+    t.integer  "last_reply_id"
+    t.boolean  "lock",          :default => false
+    t.boolean  "sticky",        :default => false
+    t.datetime "created_at",                       :null => false
+    t.datetime "updated_at",                       :null => false
+    t.integer  "viewed_count",  :default => 0
+  end
+
+  create_table "messages", :force => true do |t|
+    t.integer  "board_id",                         :null => false
+    t.integer  "parent_id"
+    t.string   "subject",       :default => "",    :null => false
+    t.text     "content"
+    t.integer  "author_id"
+    t.integer  "replies_count", :default => 0,     :null => false
+    t.integer  "last_reply_id"
+    t.datetime "created_on",                       :null => false
+    t.datetime "updated_on",                       :null => false
+    t.boolean  "locked",        :default => false
+    t.integer  "sticky",        :default => 0
+  end
+
+  add_index "messages", ["author_id"], :name => "index_messages_on_author_id"
+  add_index "messages", ["board_id"], :name => "messages_board_id"
+  add_index "messages", ["created_on"], :name => "index_messages_on_created_on"
+  add_index "messages", ["last_reply_id"], :name => "index_messages_on_last_reply_id"
+  add_index "messages", ["parent_id"], :name => "messages_parent_id"
+
+  create_table "news", :force => true do |t|
+    t.integer  "project_id"
+    t.string   "title",          :limit => 60, :default => "", :null => false
+    t.string   "summary",                      :default => ""
+    t.text     "description"
+    t.integer  "author_id",                    :default => 0,  :null => false
+    t.datetime "created_on"
+    t.integer  "comments_count",               :default => 0,  :null => false
+  end
+
+  add_index "news", ["author_id"], :name => "index_news_on_author_id"
+  add_index "news", ["created_on"], :name => "index_news_on_created_on"
+  add_index "news", ["project_id"], :name => "news_project_id"
+
+  create_table "open_id_authentication_associations", :force => true do |t|
+    t.integer "issued"
+    t.integer "lifetime"
+    t.string  "handle"
+    t.string  "assoc_type"
+    t.binary  "server_url"
+    t.binary  "secret"
+  end
+
+  create_table "open_id_authentication_nonces", :force => true do |t|
+    t.integer "timestamp",  :null => false
+    t.string  "server_url"
+    t.string  "salt",       :null => false
+  end
+
+  create_table "praise_tread_caches", :force => true do |t|
+    t.integer  "object_id",   :null => false
+    t.string   "object_type"
+    t.integer  "praise_num"
+    t.integer  "tread_num"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+  end
+
+  create_table "praise_treads", :force => true do |t|
+    t.integer  "user_id",                  :null => false
+    t.integer  "praise_tread_object_id"
+    t.string   "praise_tread_object_type"
+    t.integer  "praise_or_tread"
+    t.datetime "created_at",               :null => false
+    t.datetime "updated_at",               :null => false
+  end
+
+  create_table "project_infos", :force => true do |t|
+    t.integer  "project_id"
+    t.integer  "user_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "project_statuses", :force => true do |t|
+    t.integer "changesets_count"
+    t.integer "watchers_count"
+    t.integer "project_id"
+    t.integer "project_type"
+    t.float   "grade",            :default => 0.0
+    t.integer "course_ac_para",   :default => 0
+  end
+
+  add_index "project_statuses", ["grade"], :name => "index_project_statuses_on_grade"
+
+  create_table "projects", :force => true do |t|
+    t.string   "name",            :default => "",    :null => false
+    t.text     "description"
+    t.string   "homepage",        :default => ""
+    t.boolean  "is_public",       :default => true,  :null => false
+    t.integer  "parent_id"
+    t.datetime "created_on"
+    t.datetime "updated_on"
+    t.string   "identifier"
+    t.integer  "status",          :default => 1,     :null => false
+    t.integer  "lft"
+    t.integer  "rgt"
+    t.boolean  "inherit_members", :default => false, :null => false
+    t.integer  "project_type"
+    t.boolean  "hidden_repo",     :default => false, :null => false
+  end
+
+  add_index "projects", ["lft"], :name => "index_projects_on_lft"
+  add_index "projects", ["rgt"], :name => "index_projects_on_rgt"
+
+  create_table "projects_trackers", :id => false, :force => true do |t|
+    t.integer "project_id", :default => 0, :null => false
+    t.integer "tracker_id", :default => 0, :null => false
+  end
+
+  add_index "projects_trackers", ["project_id", "tracker_id"], :name => "projects_trackers_unique", :unique => true
+  add_index "projects_trackers", ["project_id"], :name => "projects_trackers_project_id"
+
+  create_table "queries", :force => true do |t|
+    t.integer "project_id"
+    t.string  "name",          :default => "",    :null => false
+    t.text    "filters"
+    t.integer "user_id",       :default => 0,     :null => false
+    t.boolean "is_public",     :default => false, :null => false
+    t.text    "column_names"
+    t.text    "sort_criteria"
+    t.string  "group_by"
+    t.string  "type"
+  end
+
+  add_index "queries", ["project_id"], :name => "index_queries_on_project_id"
+  add_index "queries", ["user_id"], :name => "index_queries_on_user_id"
+
+  create_table "repositories", :force => true do |t|
+    t.integer "project_id",                  :default => 0,     :null => false
+    t.string  "url",                         :default => "",    :null => false
+    t.string  "login",         :limit => 60, :default => ""
+    t.string  "password",                    :default => ""
+    t.string  "root_url",                    :default => ""
+    t.string  "type"
+    t.string  "path_encoding", :limit => 64
+    t.string  "log_encoding",  :limit => 64
+    t.text    "extra_info"
+    t.string  "identifier"
+    t.boolean "is_default",                  :default => false
+  end
+
+  add_index "repositories", ["project_id"], :name => "index_repositories_on_project_id"
+
+  create_table "roles", :force => true do |t|
+    t.string  "name",              :limit => 30, :default => "",        :null => false
+    t.integer "position",                        :default => 1
+    t.boolean "assignable",                      :default => true
+    t.integer "builtin",                         :default => 0,         :null => false
+    t.text    "permissions"
+    t.string  "issues_visibility", :limit => 30, :default => "default", :null => false
+  end
+
+  create_table "schools", :force => true do |t|
+    t.string   "name"
+    t.string   "province"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "seems_rateable_cached_ratings", :force => true do |t|
+    t.integer  "cacheable_id",   :limit => 8
+    t.string   "cacheable_type"
+    t.float    "avg",                         :null => false
+    t.integer  "cnt",                         :null => false
+    t.string   "dimension"
+    t.datetime "created_at",                  :null => false
+    t.datetime "updated_at",                  :null => false
+  end
+
+  create_table "seems_rateable_rates", :force => true do |t|
+    t.integer  "rater_id",      :limit => 8
+    t.integer  "rateable_id"
+    t.string   "rateable_type"
+    t.float    "stars",                      :null => false
+    t.string   "dimension"
+    t.datetime "created_at",                 :null => false
+    t.datetime "updated_at",                 :null => false
+  end
+
+  create_table "settings", :force => true do |t|
+    t.string   "name",       :default => "", :null => false
+    t.text     "value"
+    t.datetime "updated_on"
+  end
+
+  add_index "settings", ["name"], :name => "index_settings_on_name"
+
+  create_table "shares", :force => true do |t|
+    t.date     "created_on"
+    t.string   "url"
+    t.string   "title"
+    t.integer  "share_type"
+    t.datetime "created_at",  :null => false
+    t.datetime "updated_at",  :null => false
+    t.integer  "project_id"
+    t.integer  "user_id"
+    t.string   "description"
+  end
+
+  create_table "softapplications", :force => true do |t|
+    t.string   "name"
+    t.string   "description"
+    t.integer  "app_type_id"
+    t.string   "app_type_name"
+    t.string   "android_min_version_available"
+    t.integer  "user_id"
+    t.datetime "created_at",                    :null => false
+    t.datetime "updated_at",                    :null => false
+    t.integer  "contest_id"
+    t.integer  "softapplication_id"
+    t.integer  "is_public"
+  end
+
+  create_table "students_for_courses", :force => true do |t|
+    t.integer  "student_id"
+    t.integer  "course_id"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "taggings", :force => true do |t|
+    t.integer  "tag_id"
+    t.integer  "taggable_id"
+    t.string   "taggable_type"
+    t.integer  "tagger_id"
+    t.string   "tagger_type"
+    t.string   "context",       :limit => 128
+    t.datetime "created_at"
+  end
+
+  add_index "taggings", ["tag_id"], :name => "index_taggings_on_tag_id"
+  add_index "taggings", ["taggable_id", "taggable_type", "context"], :name => "index_taggings_on_taggable_id_and_taggable_type_and_context"
+
+  create_table "tags", :force => true do |t|
+    t.string "name"
+  end
+
+  create_table "teachers", :force => true do |t|
+    t.string   "tea_name"
+    t.string   "location"
+    t.integer  "couurse_time"
+    t.integer  "course_code"
+    t.datetime "created_at",   :null => false
+    t.datetime "updated_at",   :null => false
+    t.string   "extra"
+  end
+
+  create_table "time_entries", :force => true do |t|
+    t.integer  "project_id",  :null => false
+    t.integer  "user_id",     :null => false
+    t.integer  "issue_id"
+    t.float    "hours",       :null => false
+    t.string   "comments"
+    t.integer  "activity_id", :null => false
+    t.date     "spent_on",    :null => false
+    t.integer  "tyear",       :null => false
+    t.integer  "tmonth",      :null => false
+    t.integer  "tweek",       :null => false
+    t.datetime "created_on",  :null => false
+    t.datetime "updated_on",  :null => false
+  end
+
+  add_index "time_entries", ["activity_id"], :name => "index_time_entries_on_activity_id"
+  add_index "time_entries", ["created_on"], :name => "index_time_entries_on_created_on"
+  add_index "time_entries", ["issue_id"], :name => "time_entries_issue_id"
+  add_index "time_entries", ["project_id"], :name => "time_entries_project_id"
+  add_index "time_entries", ["user_id"], :name => "index_time_entries_on_user_id"
+
+  create_table "tokens", :force => true do |t|
+    t.integer  "user_id",                  :default => 0,  :null => false
+    t.string   "action",     :limit => 30, :default => "", :null => false
+    t.string   "value",      :limit => 40, :default => "", :null => false
+    t.datetime "created_on",                               :null => false
+  end
+
+  add_index "tokens", ["user_id"], :name => "index_tokens_on_user_id"
+  add_index "tokens", ["value"], :name => "tokens_value", :unique => true
+
+  create_table "trackers", :force => true do |t|
+    t.string  "name",          :limit => 30, :default => "",    :null => false
+    t.boolean "is_in_chlog",                 :default => false, :null => false
+    t.integer "position",                    :default => 1
+    t.boolean "is_in_roadmap",               :default => true,  :null => false
+    t.integer "fields_bits",                 :default => 0
+  end
+
+  create_table "user_extensions", :force => true do |t|
+    t.integer  "user_id",            :null => false
+    t.date     "birthday"
+    t.string   "brief_introduction"
+    t.integer  "gender"
+    t.string   "location"
+    t.string   "occupation"
+    t.integer  "work_experience"
+    t.integer  "zip_code"
+    t.datetime "created_at",         :null => false
+    t.datetime "updated_at",         :null => false
+    t.string   "technical_title"
+    t.integer  "identity"
+    t.string   "student_id"
+    t.string   "teacher_realname"
+    t.string   "student_realname"
+    t.string   "location_city"
+  end
+
+  create_table "user_grades", :force => true do |t|
+    t.integer  "user_id",                     :null => false
+    t.integer  "project_id",                  :null => false
+    t.float    "grade",      :default => 0.0
+    t.datetime "created_at",                  :null => false
+    t.datetime "updated_at",                  :null => false
+  end
+
+  add_index "user_grades", ["grade"], :name => "index_user_grades_on_grade"
+  add_index "user_grades", ["project_id"], :name => "index_user_grades_on_project_id"
+  add_index "user_grades", ["user_id"], :name => "index_user_grades_on_user_id"
+
+  create_table "user_preferences", :force => true do |t|
+    t.integer "user_id",   :default => 0,     :null => false
+    t.text    "others"
+    t.boolean "hide_mail", :default => false
+    t.string  "time_zone"
+  end
+
+  add_index "user_preferences", ["user_id"], :name => "index_user_preferences_on_user_id"
+
+  create_table "user_scores", :force => true do |t|
+    t.integer  "user_id",       :null => false
+    t.integer  "collaboration"
+    t.integer  "influence"
+    t.integer  "skill"
+    t.integer  "active"
+    t.datetime "created_at",    :null => false
+    t.datetime "updated_at",    :null => false
+  end
+
+  create_table "user_statuses", :force => true do |t|
+    t.integer  "changesets_count"
+    t.integer  "watchers_count"
+    t.integer  "user_id"
+    t.datetime "created_at",                        :null => false
+    t.datetime "updated_at",                        :null => false
+    t.float    "grade",            :default => 0.0
+  end
+
+  add_index "user_statuses", ["changesets_count"], :name => "index_user_statuses_on_changesets_count"
+  add_index "user_statuses", ["grade"], :name => "index_user_statuses_on_grade"
+  add_index "user_statuses", ["watchers_count"], :name => "index_user_statuses_on_watchers_count"
+
+  create_table "users", :force => true do |t|
+    t.string   "login",                           :default => "",    :null => false
+    t.string   "hashed_password",   :limit => 40, :default => "",    :null => false
+    t.string   "firstname",         :limit => 30, :default => "",    :null => false
+    t.string   "lastname",                        :default => "",    :null => false
+    t.string   "mail",              :limit => 60, :default => "",    :null => false
+    t.boolean  "admin",                           :default => false, :null => false
+    t.integer  "status",                          :default => 1,     :null => false
+    t.datetime "last_login_on"
+    t.string   "language",          :limit => 5,  :default => ""
+    t.integer  "auth_source_id"
+    t.datetime "created_on"
+    t.datetime "updated_on"
+    t.string   "type"
+    t.string   "identity_url"
+    t.string   "mail_notification",               :default => "",    :null => false
+    t.string   "salt",              :limit => 64
+  end
+
+  add_index "users", ["auth_source_id"], :name => "index_users_on_auth_source_id"
+  add_index "users", ["id", "type"], :name => "index_users_on_id_and_type"
+  add_index "users", ["type"], :name => "index_users_on_type"
+
+  create_table "versions", :force => true do |t|
+    t.integer  "project_id",      :default => 0,      :null => false
+    t.string   "name",            :default => "",     :null => false
+    t.string   "description",     :default => ""
+    t.date     "effective_date"
+    t.datetime "created_on"
+    t.datetime "updated_on"
+    t.string   "wiki_page_title"
+    t.string   "status",          :default => "open"
+    t.string   "sharing",         :default => "none", :null => false
+  end
+
+  add_index "versions", ["project_id"], :name => "versions_project_id"
+  add_index "versions", ["sharing"], :name => "index_versions_on_sharing"
+
+  create_table "watchers", :force => true do |t|
+    t.string  "watchable_type", :default => "", :null => false
+    t.integer "watchable_id",   :default => 0,  :null => false
+    t.integer "user_id"
+  end
+
+  add_index "watchers", ["user_id", "watchable_type"], :name => "watchers_user_id_type"
+  add_index "watchers", ["user_id"], :name => "index_watchers_on_user_id"
+  add_index "watchers", ["watchable_id", "watchable_type"], :name => "index_watchers_on_watchable_id_and_watchable_type"
+
+  create_table "wiki_content_versions", :force => true do |t|
+    t.integer  "wiki_content_id",                                       :null => false
+    t.integer  "page_id",                                               :null => false
+    t.integer  "author_id"
+    t.binary   "data",            :limit => 2147483647
+    t.string   "compression",     :limit => 6,          :default => ""
+    t.string   "comments",                              :default => ""
+    t.datetime "updated_on",                                            :null => false
+    t.integer  "version",                                               :null => false
+  end
+
+  add_index "wiki_content_versions", ["updated_on"], :name => "index_wiki_content_versions_on_updated_on"
+  add_index "wiki_content_versions", ["wiki_content_id"], :name => "wiki_content_versions_wcid"
+
+  create_table "wiki_contents", :force => true do |t|
+    t.integer  "page_id",                                          :null => false
+    t.integer  "author_id"
+    t.text     "text",       :limit => 2147483647
+    t.string   "comments",                         :default => ""
+    t.datetime "updated_on",                                       :null => false
+    t.integer  "version",                                          :null => false
+  end
+
+  add_index "wiki_contents", ["author_id"], :name => "index_wiki_contents_on_author_id"
+  add_index "wiki_contents", ["page_id"], :name => "wiki_contents_page_id"
+
+  create_table "wiki_pages", :force => true do |t|
+    t.integer  "wiki_id",                       :null => false
+    t.string   "title",                         :null => false
+    t.datetime "created_on",                    :null => false
+    t.boolean  "protected",  :default => false, :null => false
+    t.integer  "parent_id"
+  end
+
+  add_index "wiki_pages", ["parent_id"], :name => "index_wiki_pages_on_parent_id"
+  add_index "wiki_pages", ["wiki_id", "title"], :name => "wiki_pages_wiki_id_title"
+  add_index "wiki_pages", ["wiki_id"], :name => "index_wiki_pages_on_wiki_id"
+
+  create_table "wiki_redirects", :force => true do |t|
+    t.integer  "wiki_id",      :null => false
+    t.string   "title"
+    t.string   "redirects_to"
+    t.datetime "created_on",   :null => false
+  end
+
+  add_index "wiki_redirects", ["wiki_id", "title"], :name => "wiki_redirects_wiki_id_title"
+  add_index "wiki_redirects", ["wiki_id"], :name => "index_wiki_redirects_on_wiki_id"
+
+  create_table "wikis", :force => true do |t|
+    t.integer "project_id",                :null => false
+    t.string  "start_page",                :null => false
+    t.integer "status",     :default => 1, :null => false
+  end
+
+  add_index "wikis", ["project_id"], :name => "wikis_project_id"
+
+  create_table "workflows", :force => true do |t|
+    t.integer "tracker_id",                  :default => 0,     :null => false
+    t.integer "old_status_id",               :default => 0,     :null => false
+    t.integer "new_status_id",               :default => 0,     :null => false
+    t.integer "role_id",                     :default => 0,     :null => false
+    t.boolean "assignee",                    :default => false, :null => false
+    t.boolean "author",                      :default => false, :null => false
+    t.string  "type",          :limit => 30
+    t.string  "field_name",    :limit => 30
+    t.string  "rule",          :limit => 30
+  end
+
+  add_index "workflows", ["new_status_id"], :name => "index_workflows_on_new_status_id"
+  add_index "workflows", ["old_status_id"], :name => "index_workflows_on_old_status_id"
+  add_index "workflows", ["role_id", "tracker_id", "old_status_id"], :name => "wkfs_role_tracker_old_status"
+  add_index "workflows", ["role_id"], :name => "index_workflows_on_role_id"
+
+end
diff --git a/test/fixtures/join_in_contests.yml b/test/fixtures/join_in_contests.yml
new file mode 100644
index 00000000..3e5279b3
--- /dev/null
+++ b/test/fixtures/join_in_contests.yml
@@ -0,0 +1,9 @@
+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/Fixtures.html
+
+one:
+  user_id: 1
+  bid_id: 1
+
+two:
+  user_id: 1
+  bid_id: 1
diff --git a/test/unit/join_in_contest_test.rb b/test/unit/join_in_contest_test.rb
new file mode 100644
index 00000000..3d27c1a9
--- /dev/null
+++ b/test/unit/join_in_contest_test.rb
@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class JoinInContestTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end