课程应用的功能实现

app/controllers/attachments_controller.rb

@@ -343,6 +343,35 @@ class AttachmentsController < ApplicationController
     end
   end
 
+  def add_exist_file_to_courses
+    file = Attachment.find(params[:file_id])
+    courses = params[:courses][:course]
+    courses.each do |course|
+      c = Course.find(course);
+      attach_copied_obj = file.copy
+      attach_copied_obj.tag_list.add(file.tag_list) # tag关联
+      attach_copied_obj.container = c
+      attach_copied_obj.created_on = Time.now
+      attach_copied_obj.author_id = User.current.id
+      attach_copied_obj.copy_from = file.copy_from.nil? ? file.id:file.copy_from
+      if attach_copied_obj.attachtype == nil
+        attach_copied_obj.attachtype = 4
+      end
+      @obj = c
+      @save_flag = attach_copied_obj.save
+      @save_message = attach_copied_obj.errors.full_messages
+    end
+    respond_to do |format|
+      format.js
+    end
+  rescue NoMethodError
+    @save_flag = false
+    @save_message = [] << l(:error_attachment_empty)
+    respond_to do |format|
+      format.js
+    end
+  end
+
 private
   def find_project
     @attachment = Attachment.find(params[:id])

app/controllers/files_controller.rb

@@ -22,7 +22,7 @@ class FilesController < ApplicationController
   menu_item :files
 
   before_filter :find_project_by_project_id#, :except => [:getattachtype]
-  before_filter :authorize, :except => [:getattachtype]
+  before_filter :authorize, :except => [:getattachtype,:quote_resource_show]
 
   helper :sort
   include SortHelper
@@ -74,8 +74,7 @@ class FilesController < ApplicationController
             when "created_on"
               attribute = "created_on"
           end
-          @sort = order_by[0]
-          @order = order_by[1]
+
           if order_by.count == 1
             sort += "#{Attachment.table_name}.#{attribute} asc "
           elsif order_by.count == 2
@@ -116,7 +115,8 @@ class FilesController < ApplicationController
             when "created_on"
               attribute = "created_on"
           end
-
+          @sort = order_by[0]
+          @order = order_by[1]
           if order_by.count == 1
             sort += "#{Attachment.table_name}.#{attribute} asc "
           elsif order_by.count == 2
@@ -137,8 +137,8 @@ class FilesController < ApplicationController
 
   end
 
-  def upload_file_show
-
+  def quote_resource_show
+    @file = Attachment.find(params[:id])
   end
 
   def new

app/helpers/attachments_helper.rb

@@ -177,6 +177,8 @@ module AttachmentsHelper
     s.html_safe
   end
 
+
+
   # Modified by Longjun
   # 有参数的方法要加()
   def private_filter(resultSet)

app/helpers/files_helper.rb

@@ -44,6 +44,16 @@ module FilesHelper
     File.new(zipfile_name,'w+')
   end
 
+  def courses_check_box_tags(name,courses,current_course)
+    s = ''
+    courses.each do |course|
+      if course.id != current_course.id && is_course_teacher(User.current,course)
+        s << "<label>#{ check_box_tag name, course.id, false, :id => nil } #{h course.name}</label><br/>"
+      end
+    end
+    s.html_safe
+  end
+
   # 判断指定的资源时候符合类型
   def isTypeOk(attachment, type, contentType)
     result = false

app/views/attachments/add_exist_file_to_courses.js.erb

@@ -0,0 +1,5 @@
+<% if !@save_flag%>
+  $("#error_show").html("<%= @save_message.join(', ') %>");
+<% else %>
+  closeModal();
+<% end %>

app/views/files/_arrow_show.erb

@@ -1,8 +1,10 @@
 <!--  sort: @sort,order:@order,current:"created_on" -->
 <% if sort == current  %>
-    <% if order = "" || order =="asc" %>
-      ↑
+    <% if order =="asc" %>
+        ↑
+    <% elsif order == "desc" %>
+        ↓
     <% else %>
-      ↓
+
     <% end %>
 <% end %>

app/views/files/_course_file.html.erb

@@ -1,17 +1,18 @@
 <% attachmenttypes = @course.attachmenttypes %>
 <% sufixtypes = @course.contenttypes %>
 <% delete_allowed = User.current.allowed_to?(:manage_files, @course) %>
+
 <%= stylesheet_link_tag  'resource', :media => 'all' %>
 <script>
   function show_upload()
   {
       $('#ajax-modal').html('<%= escape_javascript(render :partial => 'upload_show',:locals => {:course => @course}) %>');
       showModal('ajax-modal', '513px');
-//      $('#ajax-modal').css('height','569px');
       $('#ajax-modal').siblings().remove();
       $('#ajax-modal').before("<span style='float: right;cursor:pointer;padding-left: 513px;'><a href='javascript:void(0)' onclick='closeModal()'><img src='/images/bid/close.png' width='26px' height='26px' /></a></span>");
       $('#ajax-modal').parent().css("top","5").css("left","511");
   }
+
   function closeModal()
   {
       hideModal($("#popbox_upload"));
@@ -27,14 +28,25 @@
     <input type="submit" value="课内搜索" class="re_schbtn b_dblue"  />
     <input type="submit" value="全站搜索" class="re_schbtn b_lblue" />
   </form>
-  <a href="javascript:void(0)" class="re_fabu f_r b_lblue" onclick="show_upload()">上传资源</a>
+  <% if is_course_teacher(User.current,@course) %>
+    <a href="javascript:void(0)" class="re_fabu f_r b_lblue" onclick="show_upload()">上传资源</a>
+  <% end %>
 </div><!---re_top end-->
 <div class="cl"></div>
 
 <div class="re_con">
 <div class="re_con_top">
   <p class="f_l  c_blue f_b f_14">共有&nbsp;<%= User.current.member_of_course?(@course) ? @all_attachments.count : 0 %>&nbsp;个资源</p>
-  <p class="f_r">按&nbsp;<%= link_to "时间",course_files_path(@course,:sort=>"created_on"),:class => "f_b c_grey"  %><%= render partial: 'arrow_show',locals: { sort: @sort,order:@order,current:"created_on"} %>&nbsp;/&nbsp;<%= link_to "下载次数",course_files_path(@course,:sort=>"downloads:desc"),:class => "f_b c_grey"  %><%= render partial: 'arrow_show',locals: { sort: @sort,order:@order,current:"downloads"} %>&nbsp;/&nbsp;<a href="#" class="f_b c_grey">引用次数</a>&nbsp;排序</p>
+  <p class="f_r">
+    <% if @order == "asc" %>
+      按&nbsp;<%= link_to "时间",course_files_path(@course,:sort=>"created_on:desc"),:class => "f_b c_grey"  %><%= render partial: 'arrow_show',locals: { sort: @sort,order:@order,current:"created_on"} %>&nbsp;/&nbsp;
+      <%= link_to "下载次数",course_files_path(@course,:sort=>"downloads:desc"),:class => "f_b c_grey"  %><%= render partial: 'arrow_show',locals: { sort: @sort,order:@order,current:"downloads"} %>&nbsp;/&nbsp;
+      <a href="#" class="f_b c_grey">引用次数</a>&nbsp;排序</p>
+    <%else%>
+      按&nbsp;<%= link_to "时间",course_files_path(@course,:sort=>"created_on:asc"),:class => "f_b c_grey"  %><%= render partial: 'arrow_show',locals: { sort: @sort,order:@order,current:"created_on"} %>&nbsp;/&nbsp;
+      <%= link_to "下载次数",course_files_path(@course,:sort=>"downloads:asc"),:class => "f_b c_grey"  %><%= render partial: 'arrow_show',locals: { sort: @sort,order:@order,current:"downloads"} %>&nbsp;/&nbsp;
+      <a href="#" class="f_b c_grey">引用次数</a>&nbsp;排序</p>
+    <% end %>
 </div>
 <div class="cl"></div>
 <% @curse_attachments.each do |file| %>
@@ -44,10 +56,14 @@
       <div class="re_con_box">
         <div class=" ">
           <%= link_to_attachment file, :download => true, :title => file.filename+"\n"+file.description.to_s, :style => "overflow: hidden; white-space: nowrap;text-overflow: ellipsis;",:class => "c_dblue f_14 f_b f_l" %>
-          <a href="#" class="f_l re_select">选入我的课程</a>
-          <span id="is_public_<%= file.id %>">
-            <%= link_to (file.is_public? ? "公开":"私有"), update_file_dense_attachments_path(:attachmentid=>file.id,:newtype=>(file.is_public? ? 0:1)),:remote=>true,:class=>"f_l re_open",:method => :post  %>
-          </span>
+          <% if is_course_teacher(User.current,@course) %>
+            <%= link_to "选入我的课程",quote_resource_show_course_file_path(@course,file),:class => "f_l re_select",:remote => true %>
+            <span id="is_public_<%= file.id %>">
+              <%= link_to (file.is_public? ? "公开":"私有"), update_file_dense_attachments_path(:attachmentid=>file.id,:newtype=>(file.is_public? ? 0:1)),:remote=>true,:class=>"f_l re_open",:method => :post  %>
+            </span>
+          <% else %>
+            <%= link_to (file.is_public? ? "公开":"私有"),"javascript:void(0)",:class=>"f_l re_open" %>
+          <% end %>
         </div>
         <div class="cl"></div>
         <div class="">

app/views/files/_show_quote_resource.html.erb

@@ -0,0 +1,24 @@
+<div id="popbox_upload" style="margin-top: -30px;margin-left: -20px;margin-right: -10px;">
+  <div class="upload_con">
+    <div id="error_show"></div>
+    <h2>将此课件引入我的课程资源库</h2>
+    <div class="upload_box">
+      <%= form_tag course_attach_relations_path,
+                   method: :post,
+                   remote: true,
+                   id: "relation_file_form" do %>
+          <%= hidden_field_tag(:file_id, file.id) %>
+          <%= content_tag('div', courses_check_box_tags('courses[course][]', User.current.courses,course), :id => 'courses')%>
+          <a id="submit_quote" href="javascript:void(0)" class="upload_btn" onclick="submit_quote();">引&nbsp;&nbsp;用</a><a href="javascript:void(0)" class="upload_btn upload_btn_grey" onclick="closeModal();">取&nbsp;&nbsp;消</a>
+      <% end -%>
+    </div>
+
+  </div>
+</div>
+
+<script>
+    function submit_quote()
+    {
+        $('#submit_quote').parent().submit();
+    }
+</script>

app/views/files/quote_resource_show.js.erb

@@ -0,0 +1,5 @@
+$('#ajax-modal').html('<%= escape_javascript(render :partial => 'show_quote_resource',:locals => {:course => @course,:file => @file}) %>');
+showModal('ajax-modal', '513px');
+$('#ajax-modal').siblings().remove();
+$('#ajax-modal').before("<span style='float: right;cursor:pointer;padding-left: 513px;'><a href='javascript:void(0)' onclick='closeModal()'><img src='/images/bid/close.png' width='26px' height='26px' /></a></span>");
+$('#ajax-modal').parent().css("top","5").css("left","511");

config/routes.rb

@@ -558,6 +558,7 @@ RedmineApp::Application.routes.draw do
   match 'attachments/autocomplete', :to => 'attachments#autocomplete', :via =>  [:post]
   post 'attachments/relationfile', to: 'attachments#add_exist_file_to_project', as: 'attach_relation'
   post 'attachments/courserelationfile', to: 'attachments#add_exist_file_to_course', as: 'course_attach_relation'
+  post 'attachments/courserelationfiles', to: 'attachments#add_exist_file_to_courses', as: 'course_attach_relations'
   get  'attachments/renderTag/:attchmentId', :to => 'attachments#renderTag', :attchmentId => /\d+/
   resources :attachments, :only => [:show, :destroy]  do
     collection do
@@ -654,6 +655,9 @@ RedmineApp::Application.routes.draw do
       collection do
         match "getattachtype", :via =>  [:get, :post]
       end
+      member do
+        match "quote_resource_show", :via => [:get]
+      end
     end
     resources :memberships, :shallow => true, :controller => 'members', :only => [:index, :show, :new, :create, :update, :destroy] do
       collection do

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20141105012624) do
+ActiveRecord::Schema.define(:version => 20141120091234) do
 
   create_table "activities", :force => true do |t|
     t.integer "act_id",   :null => false
@@ -52,6 +52,7 @@ ActiveRecord::Schema.define(:version => 20141105012624) do
     t.string   "disk_directory"
     t.integer  "attachtype",                   :default => 1
     t.integer  "is_public",                    :default => 1
+    t.integer  "copy_from"
   end
 
   add_index "attachments", ["author_id"], :name => "index_attachments_on_author_id"