1.修改判断当前用户是否为指定课程成员、学生、老师的方法

2.新建作业时获取当前项目学生方法
3.增加checkbox生成方法

app/controllers/homework_attach_controller.rb

@@ -60,7 +60,15 @@ class HomeworkAttachController < ApplicationController
   def new
     @bid = Bid.find(params[:id])
     if User.current.admin? || User.current.member_of?(@bid.courses.first)
+      @members = @bid.courses.first.members.joins(:member_roles).where("member_roles.role_id IN (:role_id) and user_id <> #{User.current.id}", {:role_id => [5, 10]})
+
+      #@all_user = []
+      #@bid.courses.first.members.each do |member|
+        #  @all_user << member.user
+        #end
       @homework = HomeworkAttach.new
+      #@homework_user = members_for_homework(@homework) + User.current
+      #@members = @all_user - @homework_user
       respond_to do |format|
         format.html # new.html.erb
         format.json { render json: @homework }
@@ -70,6 +78,19 @@ class HomeworkAttachController < ApplicationController
     end
   end
 
+  #获取指定作业的所有成员
+  def members_for_homework homework
+    people = []
+    if homework != nil
+      people << homework.user
+      homework.homework_users do |homework_user|
+        people << homework_user.user
+      end
+    else
+    end
+    people
+  end
+
   def edit
     @homework = HomeworkAttach.find(params[:id])
     if User.current.admin? || User.current.member_of?(@homework.bid.courses.first)

app/controllers/homework_users_controller.rb

@@ -1,3 +1,14 @@
 class HomeworkUsersController < ApplicationController
-
+   #新增数据
+  def create option
+     user = HomeworkUser.new option
+     user.save
+     user
+   end
+  #删除数据
+  def destory homework_user
+    user = HomeworkUser.find homework_user
+    user.destroy
+    user
+  end
 end

app/helpers/courses_helper.rb

@@ -138,24 +138,11 @@ module CoursesHelper
   end
   #判断制定用户是不是当前课程的老师
   def is_course_teacher user,course
-    people = []
-    course.members.each do |member|
-      role_id = member.roles.first.id
-      if TeacherRoles.include? role_id
-        people <<  member.user
-      end
-    end
-    people.include?(user)
+    searchPeopleByRoles(course, TeacherRoles).include?(user)
   end
   #当前用户是不是指定课程的学生
   def is_cur_course_student? course
-    people = []
-    course.members.each do |member|
-      if StudentRoles.include? member.roles.first.id
-        people <<  member.user
-      end
-    end
-    people.include?(User.current)
+    searchPeopleByRoles(course, StudentRoles).include?(User.current)
   end
   #获取当前用户在指定作业下提交的作业的集合
   def cur_user_homework_for_bid bid

app/helpers/homework_attach_helper.rb

@@ -9,7 +9,7 @@ module HomeworkAttachHelper
   end
   #作业添加、编辑界面的tab页
   def homework_settings_tabs f
-    @project = Project.find 205
+    @project = Project.find 76
     @f = f
     tabs = [{:name => 'info', :action => :edit_homework, :partial => 'homework_attach/edit_homework', :label => :label_information_plural},
             {:name => 'members', :action => :homework_member, :partial => 'homework_attach/homework_member', :label => :label_member_plural}
@@ -17,18 +17,27 @@ module HomeworkAttachHelper
     #tabs.select {|tab| User.current.allowed_to?(tab[:action], @homework)}
   end
 
-  def render_principals_for_new_members(project)
-    scope = Principal.active.sorted.not_member_of(project).like(params[:q])
-    principal_count = scope.count
-    principal_pages = Redmine::Pagination::Paginator.new principal_count, 10, params['page'] #by young
-    principals = scope.offset(principal_pages.offset).limit(principal_pages.per_page).all
-
-    s = content_tag('div', principals_check_box_tags_ex('membership[user_ids][]', principals), :id => 'principals')
-
-    links = pagination_links_full(principal_pages, principal_count, :per_page_links => false) {|text, parameters, options|
-      link_to text, autocomplete_project_memberships_path(project, parameters.merge(:q => params[:q], :format => 'js')), :remote => true
-    }
+  #作业可选成员列表分页
+  def render_new_members_for_homework members
+    #scope = Principal.active.sorted.not_member_of(project).like(params[:q])
+    #scope = project.members
+    principal_count = members.count
+    limit = 10
+    principal_pages = Redmine::Pagination::Paginator.new principal_count, limit, params['page'] #by young
+    offset ||= principal_pages.offset
+    principals = members[offset, limit]
+    s = content_tag('div', member_check_box_tags_ex('membership[user_ids][]', principals), :id => 'principals')
+    links = pagination_links_full(principal_pages, principal_count, :per_page_links => false,:remote => true)
 
     s + content_tag('div', content_tag('ul', links), :class => 'pagination_new')
   end
+
+  #扩展的checkbox生成
+  def member_check_box_tags_ex(name, principals)
+    s = ''
+    principals.each do |member|
+      s << "<label>#{ check_box_tag name, member.id, false, :id => nil } #{h member.user.name }</label>\n"
+    end
+    s.html_safe
+  end
 end