课程标签增加、删除

app/controllers/files_controller.rb

@@ -146,6 +146,8 @@ class FilesController < ApplicationController
         @obj = Contest.find_by_id(@obj_id)
       when '8'
         @obj = OpenSourceProject.find_by_id(@obj_id)
+      when '9'
+        @obj = Course.find_by_id(@obj_id)
       else
         @obj = nil
     end

app/controllers/tags_controller.rb

@@ -15,6 +15,7 @@ class TagsController < ApplicationController
   include ContestsHelper
   include ActsAsTaggableOn::TagsHelper
   helper :projects
+  helper :courses
   include TagsHelper
   helper :tags
   include OpenSourceProjectsHelper
@@ -224,9 +225,9 @@ class TagsController < ApplicationController
     when '8'
       @obj = OpenSourceProject.find_by_id(obj_id)
       @obj_pages, @open_source_projects_results, @results_count = for_pagination(get_open_source_projects_by_tag(selected_tags))
-      when '9' then
+    when '9' then
-        @obj = Course.find_by_id(obj_id)
+      @obj = Course.find_by_id(obj_id)
-        @obj_pages, @courses_results, @results_count = for_pagination(get_courses_by_tag(selected_tags))
+      @obj_pages, @courses_results, @results_count = for_pagination(get_courses_by_tag(selected_tags))
     else
       @obj = nil
     end

app/controllers/users_controller.rb

@@ -669,6 +669,8 @@ class UsersController < ApplicationController
       @obj = Contest.find_by_id(@obj_id)
     when '8'
       @obj = OpenSourceProject.find_by_id(@obj_id)
+    when '9'
+      @obj = Course.find_by_id(@obj_id)
     else
     @obj = nil
     end
@@ -710,6 +712,8 @@ class UsersController < ApplicationController
         @obj = Contest.find_by_id(@obj_id)
       when '8'
         @obj = OpenSourceProject.find_by_id(@obj_id)
+      when '9'
+        @obj = Course.find_by_id(@obj_id)
       else
         @obj = nil
     end

app/helpers/courses_helper.rb

@@ -31,6 +31,17 @@ module CoursesHelper
     # searchStudent(project).count
   end
 
+  # 判断用户是否是课程的管理员
+  # add by nwb
+  def is_course_manager?(user_id,course_id)
+    @result = false
+    @user_id = CourseInfo.find_by_course_id(course_id)
+    if @user_id == user.id
+      @result = true
+    end
+    return @result
+  end
+
   # 返回课程设置界面
   def course_settings_tabs
     tabs = [{:name => 'info', :action => :edit_course, :partial => 'courses/edit', :label => :label_information_plural},

app/helpers/tags_helper.rb

@@ -16,6 +16,8 @@ module TagsHelper
       @obj = Attachment.find_by_id(obj_id)
     when '7'
       @obj= Contest.find_by_id(obj_id)
+    when '9'
+      @obj= Course.find_by_id(obj_id)
     else
       raise Exception, '[TagsHelper] ===> tag type unknow.'
     end
@@ -46,6 +48,8 @@ module TagsHelper
       if user.id == obj_id
         @result = true
       end
+   when '9'
+     @result = is_course_manager?(user.id,obj_id)
     end
     return @result
   end

app/views/layouts/base_courses.html.erb

@@ -207,7 +207,7 @@
       <!-- added by william -for tag -->
       <div class="user_tags">
         <div id="tags">
-          <%= render :partial => 'tags/tag', :locals => {:obj => @course, :object_flag => "5"} %>
+          <%= render :partial => 'tags/tag', :locals => {:obj => @course, :object_flag => "9"} %>
         </div>
       </div>
     </div>

app/views/tags/_tag_name.html.erb

@@ -89,7 +89,7 @@
 	        <% end %>
         <% when '9' %>
 
-	     <% if (CourseInfo.find_by_course_id(obj.id)).try(:user_id) == User.current.id %>
+	     <% if (CourseInfos.find_by_course_id(obj.id)).try(:user_id) == User.current.id %>
 	       <span class='del'> <%= link_to 'x', :controller => "tags", :action => "remove_tag", :remote => true, :tag_name => tag,
                                           :taggable_id => obj.id, :taggable_type => object_flag %> </span>
 	     <% end %>