解决顶部fork路由错误，已经fork过该项目的添加提示

app/controllers/projects_controller.rb

@@ -27,7 +27,7 @@ class ProjectsController < ApplicationController
   menu_item :feedback, :only => :feedback
   menu_item :share, :only => :share
 
-  before_filter :find_project, :except => [ :index, :search,:list, :new, :create, :copy, :statistics, :new_join, :course, :enterprise_course, :course_enterprise,:view_homework_attaches,:join_project, :forked_pop]
+  before_filter :find_project, :except => [ :index, :search,:list, :new, :create, :copy, :statistics, :new_join, :course, :enterprise_course, :course_enterprise,:view_homework_attaches,:join_project]
   before_filter :authorize, :only => [:show, :settings, :edit, :sort_project_members, :update, :modules, :close, :reopen,:view_homework_attaches,:course]
   before_filter :authorize_global, :only => [:new, :create,:view_homework_attaches]
   before_filter :require_admin, :only => [ :copy, :unarchive, :destroy, :calendar]

app/helpers/application_helper.rb

@@ -54,6 +54,18 @@ module ApplicationHelper
     Project.find(forked_from_project_id)
   end
 
+  # 判断当前用户是否已经fork过当前项目
+  # project: current_project
+  def has_forked_cur_project project
+    cur_user_projects = Project.where(:user_id => User.current.id)
+    if cur_user_projects.count == 0
+      false
+    else
+      has_forked = cur_user_projects.select{|cur_user_project| cur_user_project.forked_from_project_id == project.id}
+      has_forked.length > 0 ? true : false
+    end
+  end
+
   # 通过系统外部邮箱查找用户，如果用户不存在则用邮箱替换
   def get_user_by_mail mail
     user = User.find_by_mail(mail)

app/models/journals_for_message.rb

@@ -78,7 +78,7 @@ class JournalsForMessage < ActiveRecord::Base
                :act_as_principal_activity, :act_as_student_score
   after_create :reset_counters!
   #after_update :update_activity
-  after_destroy :reset_counters!
+  # after_destroy :reset_counters!
   after_save :be_user_score
   after_destroy :down_user_score, :down_course_score
 

app/views/projects/_applied_status.html.erb

@@ -33,7 +33,7 @@
     </div>-->
     <li class="mr5 fl">
 <!--      <a href="<%#= {:controller => 'repositories', :action => 'forked'} %>" class="pro_new_topbtn_left fl" target="_blank">Fork</a>-->
-      <%= link_to "<span class='vl_fork'></span>".html_safe+"Fork", {:controller => 'projects', :action => 'forked_pop'},
+      <%= link_to "<span class='vl_fork'></span>".html_safe+"Fork", forked_pop_project_path(@project),
                                     :class=>"pro_new_topbtn_left fl",  :remote => true %>
       <a href="<%= member_forked_project_path(@project) %>" class=" pro_new_topbtn fl"><%= @project.forked_count.to_i %></a>
     </li>

app/views/repositories/_forked_popbox.html.erb

@@ -7,14 +7,17 @@
   <div class="sy_popup_con" style="width:380px;">
     <ul class="sy_popup_add" >
     <li class="center mb5" style="line-height:20px">
-      Fork将在后台执行<br>平台将为您创建一个新的同名项目和版本库，请问是否继续？
+      <% if has_forked_cur_project(@project) %>
+          您已经Fork过该项目，点击“确定”将会跳入您Fork的项目主页，请问是否继续？
+      <% else %>
+          Fork将在后台执行<br>平台将为您创建一个新的同名项目和版本库，请问是否继续？
+      <% end %>
     </li>
     <li class="mt10">
       <label class="mr27">&nbsp;</label>
       <a href="javascript:void(0);" class="sy_btn_grey fl " onclick="hideModal()">取&nbsp;&nbsp;消</a>
      <!-- <a href="<%#= {:controller => 'repositories', :action => 'forked'} %>" class="sy_btn_blue fl ml20" onclick="hideModal();">确&nbsp;&nbsp;定</a>-->
-      <%= link_to "确   定", {:controller => 'repositories', :action => 'forked'},
-                                    :class=>"sy_btn_blue fl ml20", :onclick=>"hideModal();" %>
+      <%= link_to "确   定", {:controller => 'repositories', :action => 'forked'}, :class => "sy_btn_blue fl ml20", :onclick => "hideModal();" %>
       <div class="cl"></div>
     </li>
   </ul>