留言不能是空字符

app/controllers/application_controller.rb

@@ -630,7 +630,7 @@ class ApplicationController < ActionController::Base
       obj[@obj_pages.offset, @obj_pages.per_page]
     else
       logger.error "[ApplicationController] Error : application_controller#paginateHelper ===> unknow category: #{obj.class}"
-      nil
+      raise RuntimeError, 'unknow type, Please input you type into this helper.'
     end
   end
 end

app/controllers/words_controller.rb

@@ -129,10 +129,16 @@ class WordsController < ApplicationController
   def leave_project_message
     user = User.current
     message = params[:new_form][:project_message]
-    Project.add_new_jour(user, message, params[:id])
+    feedback = Project.add_new_jour(user, message, params[:id])
+    if(feedback.errors.empty?)
+      redirect_to project_feedback_path(params[:id]), notice: l(:label_feedback_success)
+    else
+      flash[:error] = feedback.errors.full_messages[0]
       redirect_to project_feedback_path(params[:id])
     end
 
+  end
+  
   def add_brief_introdution
     user = User.current
     message = params[:new_form][:user_introduction]

app/models/journals_for_message.rb

@@ -2,7 +2,7 @@
 class JournalsForMessage < ActiveRecord::Base
   attr_accessible :jour_id, :jour_type, :notes, :reply_id, :status, :user_id
   attr_accessor :indice
-  
+  validates :notes, presence: true
   belongs_to :jour, :polymorphic => true
   belongs_to :user
   has_many :acts, :class_name => 'Activity', :as => :act, :dependent => :destroy

app/models/project.rb

@@ -160,12 +160,18 @@ class Project < ActiveRecord::Base
 #   项目留言   added by fq
   def self.add_jour(user, notes)
     project = Project.find('trustie')
-    project.journals_for_messages << JournalsForMessage.new(:user_id => user.id, :notes => notes, :reply_id => 0)
+    # project.journals_for_messages << JournalsForMessage.new(:user_id => user.id, :notes => notes, :reply_id => 0)
+    pjfm = project.journals_for_messages.build(:user_id => user.id, :notes => notes, :reply_id => 0)
+    pjfm.save
+    pjfm
   end
   
   def self.add_new_jour(user, notes, id)
     project = Project.find(id)
-    project.journals_for_messages << JournalsForMessage.new(:user_id => user.id, :notes => notes, :reply_id => 0)
+    # project.journals_for_messages << JournalsForMessage.new(:user_id => user.id, :notes => notes, :reply_id => 0)
+    pjfm = project.journals_for_messages.build(:user_id => user.id, :notes => notes, :reply_id => 0)
+    pjfm.save
+    pjfm
   end
 # end
 

app/views/projects/feedback.html.erb

@@ -1,6 +1,5 @@
 <!-- fq -->
 <h3><%= l(:label_user_response) %></h3>
-<%= render_flash_messages %>
 
 <%= form_for('new_form', :method => :post,
 			:url => {:controller => 'words', :action => 'leave_project_message'}) do |f|%>

config/locales/zh.yml

@@ -847,6 +847,8 @@ zh:
   label_user_commits: "代码提交"
   label_user_watchered: "关注"   # huang添加的
   label_user_newfeedback: "留言" ## huang添加的
+  label_feedback_success: "留言成功"
+  label_feedback_fail: "留言失败"
   label_user_login: "最后登录"
   label_user_mail: "邮件地址"
   label_user_joinin: "加入时间"