拷贝课程图标

app/controllers/courses_controller.rb

@@ -442,10 +442,14 @@ class CoursesController < ApplicationController
     @course = cs.create_course(params,User.current)[:course]
     if params[:copy_course]
       copy_course = Course.find params[:copy_course].to_i
-      @course.is_copy = 1
+      @course.is_copy = params[:copy_course].to_i
       @course.open_student = copy_course.open_student
       @course.publish_resource = copy_course.publish_resource
       @course.save
+
+      #copy avatar
+      copy_avatar(@course, copy_course)
+
       if params[:checkAll]
         attachments = copy_course.attachments
         attachments.each do |attachment|

app/helpers/avatar_helper.rb

@@ -1,9 +1,24 @@
 module AvatarHelper
   
   AVATAR_SIZE="50x50"
+
+  def copy_avatar(des, src)
+    src_file = disk_filename(src.class,src.id)
+    des_file = disk_filename(des.class,des.id)
+
+    FileUtils.cp(src_file, des_file) if File.exist?(src_file)
+  end
   
-  def avatar_image(source)
-    File.join(relative_path, avatar_directory(source.class), source.id.to_s) 
+  def avatar_image(source, copyed=false)
+    source_type = source.class
+    source_id = source.id
+
+    course = Course.find(source_id) rescue nil
+    if course && copyed
+      source_id  = course.is_copy
+    end
+
+    File.join(relative_path, avatar_directory(source_type), source_id.to_s)
   end
      
   def relative_path
@@ -23,7 +38,18 @@ module AvatarHelper
   end
   
   def disk_filename(source_type,source_id,image_file=nil)
-    File.join(storage_path,avatar_directory(source_type),avatar_filename(source_id,image_file))   
+    File.join(storage_path,avatar_directory(source_type),avatar_filename(source_id,image_file))
+  end
+
+  def copy_course?(source_type, source_id)
+    file= disk_filename(source_type, source_id)
+    if source_type == Course && !File.exist?(file)
+      course = Course.find(source_id) rescue nil
+      if course && course.is_copy>0
+        return true
+      end
+    end
+    false
   end
   
   def file_extension(filename=nil)
@@ -35,7 +61,9 @@ module AvatarHelper
       return File.join(relative_path,'AnonymousUser','0')      
     end
     if source.class && source.id && File.exist?(disk_filename(source.class,source.id))
-      avatar_image(source)
+      avatar_image(source, false)
+    elsif copy_course?(source.class, source.id)
+      avatar_image(source, true)
     else
       File.join(relative_path,avatar_directory(source.class),'0')
     end

app/models/course_activity.rb

@@ -72,7 +72,7 @@ class CourseActivity < ActiveRecord::Base
       # message的status状态为0为正常，为1表示创建课程时发送的message
       message = Message.create(:subject => name, :content => content, :board_id => self.course.boards.first.id, :author_id => self.course.tea_id , :sticky => true, :status => true )
       # 更新的目的是为了排序，因为该条动态的时间可能与课程创建的动态创建时间一直
-      message.course_acts.first.update_attribute(:updated_at, message.course_acts.first.updated_at + 1)
+      message.course_acts.first.update_attribute(:updated_at, message.course_acts.first.updated_at + 1) if message.course_acts.first
     end
   end
 end

app/views/courses/_copy_course.html.erb

@@ -39,12 +39,13 @@
     <input name="copy_course" value="<%=@course.id %>" style="display: none"/>
     <li class="ml45 mb10">
       <a href="javascript:void(0)" class="upimg fl">
-        <%= image_tag(url_to_avatar(@new_course), id: "avatar_image", :width =>"60", :height =>"60",:alt=>"上传图片")%>
+        <%= image_tag(url_to_avatar(@course), id: "avatar_image", :width =>"60", :height =>"60",:alt=>"上传图片")%>
       </a> <!--<a href="javascript:void(0)" class="upbtn fl ml30" onclick="$('#upload_course_logo').click();">上传图片</a>-->
       <!--</span>-->
       <div class="cl"></div>
     </li>
     <li class="ml45">
+
       <input type="text" style="display: none"/> <!--阻止表单自动填充 -->
       <input type="password" style="display: none"/> <!--阻止表单自动填充 -->
       <label><span class="c_red">*</span>&nbsp;<%= l(:label_tags_course_name)%>&nbsp;&nbsp;：</label>