1.添加用户申请加入项目contrl、model及相关逻辑

2.项目界面添加申请加入按钮

app/controllers/applied_project_controller.rb

@@ -0,0 +1,16 @@
+class AppliedProjectController < ApplicationController
+
+  #申请加入项目
+  def applied_join_project
+    AppliedProject.create(:user_id => params[:user_id], :project_id => params[:project_id])
+    redirect_to_referer_or {render :text => ( 'applied success.'), :layout => true}
+  end
+
+  #取消申请
+  def unapplied_join_project
+    @applied = AppliedProject.find(params[:id])
+    @applied.destroy
+    redirect_to_referer_or {render :text => ( 'unsubscribe success.'), :layout => true}
+  end
+
+end

app/controllers/watchers_controller.rb

@@ -158,6 +158,6 @@ class WatchersController < ApplicationController
     respond_to do |format|
       format.html { redirect_to_referer_or {render :text => (watching ? 'Watcher added.' : 'Watcher removed.'), :layout => true}}
       format.js { render :partial => 'set_watcher', :locals => {:user => user, :watched => watchables} }
-    end
+   end
   end
 end

app/helpers/applied_project_helper.rb

@@ -0,0 +1,21 @@
+module AppliedProjectHelper
+
+  def applied_link(project, user, options=[])
+    return '' unless user && user.logged?
+    applied = project.applied_projects.find_by_user_id(user.id)
+    text = applied ? l(:label_unapply_project) : l(:label_apply_project)
+
+    if applied
+      appliedid =  applied.id
+    end
+
+    url = appliedproject_path(
+        :id=>appliedid,
+        :user_id => user.id,
+        :project_id => project.id
+    )
+    method = applied ? 'delete' : 'post'
+
+    link_to text, url, :remote => true, :method => method
+  end
+end

app/helpers/watchers_helper.rb

@@ -187,4 +187,23 @@ module WatchersHelper
                   :class => "floating"
     end.join.html_safe
   end
+
+  def applied_link(project, user, options=[])
+    return '' unless user && user.logged?
+    applied = project.applied_projects.find_by_user_id(user.id)
+    text = applied ? l(:label_unapply_project) : l(:label_apply_project)
+
+    if applied
+      appliedid =  applied.id
+    end
+
+    url = appliedproject_path(
+        :id=>appliedid,
+        :user_id => user.id,
+        :project_id => project.id
+    )
+    method = applied ? 'delete' : 'post'
+
+    link_to text, url, :remote => true, :method => method
+  end
 end

app/models/applied_project.rb

@@ -0,0 +1,6 @@
+class AppliedProject < ActiveRecord::Base
+  attr_accessible :project_id, :user_id
+
+   belongs_to :user
+  belongs_to :project
+end

app/models/project.rb

@@ -64,7 +64,8 @@ class Project < ActiveRecord::Base
   # has_many :students_for_courses, :dependent => :destroy
   has_many :student, :through => :students_for_courses, :source => :user
   has_one :course_extra, :class_name => 'Course', :foreign_key => :extra,:primary_key => :identifier, :dependent => :destroy
-  
+  has_many :applied_projects
+
   # end
   #ADDED BY NIE
   has_many :project_infos, :dependent => :destroy 

app/views/layouts/base_projects.html.erb

@@ -103,6 +103,14 @@
 													<span class="icon-fav icon"></span><%= watcher_link(@project, User.current) %>
 													<% end %>
 												</div>
+                                                <!--添加项目申请-->
+                                              <div style="margin-left: 20px;">
+
+                                                <% if ( !(User.current.member_of? @project) && User.current.login?) %>   <!--added by linchun-->
+                                                    <span class="icon-fav icon"></span><%= applied_link(@project, User.current) %>
+                                                <% end %>
+                                              </div>
+
 											</td>
 										</tr>
 									</table>												

config/locales/en.yml

@@ -1165,6 +1165,8 @@ en:
   label_tags_bid_description: call description
   label_tags_issue_description: issue description
   label_tags_all_objects: all objects
+  label_apply_project: Apply Project
+  label_unapply_project: Unsubscribe
   
   #fq
   button_leave_meassge: Submit

config/locales/zh.yml

@@ -1326,7 +1326,8 @@ zh:
   label_tags_bid_description: 需求描述
   label_tags_issue_description: 问题描述
   label_tags_all_objects: 所有
-  
+  label_apply_project: 申请加入
+  label_unapply_project: 取消申请
  
   #fq
   button_leave_meassge: 留言

config/routes.rb

@@ -247,6 +247,9 @@ RedmineApp::Application.routes.draw do
   post 'issues/:object_id/watchers', :to => 'watchers#create', :object_type => 'issue'
   delete 'issues/:object_id/watchers/:user_id' => 'watchers#destroy', :object_type => 'issue'
 
+  post 'appliedproject/applied', :to => 'applied_project#applied_join_project', :as => 'appliedproject'
+  delete 'appliedproject/applied', :to => 'applied_project#unapplied_join_project'
+
   resources :bids, :only=>[:edit,:update,:show] do
     member do
       match 'homework_ajax_modal'

db/migrate/20140521072851_create_applied_projects.rb

@@ -0,0 +1,12 @@
+class CreateAppliedProjects < ActiveRecord::Migration
+  def self.up
+    create_table :applied_projects do |t|
+      t.column :project_id, :integer, :null => false
+      t.column :user_id, :integer, :null => false
+    end
+  end
+
+  def self.down
+    drop_table :applied_projects
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20140519070751) do
+ActiveRecord::Schema.define(:version => 20140521072851) do
 
   create_table "activities", :force => true do |t|
     t.integer "act_id",   :null => false
@@ -23,6 +23,11 @@ ActiveRecord::Schema.define(:version => 20140519070751) do
   add_index "activities", ["user_id", "act_type"], :name => "index_activities_on_user_id_and_act_type"
   add_index "activities", ["user_id"], :name => "index_activities_on_user_id"
 
+  create_table "applied_projects", :force => true do |t|
+    t.integer "project_id", :null => false
+    t.integer "user_id",    :null => false
+  end
+
   create_table "apply_project_masters", :force => true do |t|
     t.integer  "user_id"
     t.string   "apply_type"
@@ -52,11 +57,14 @@ ActiveRecord::Schema.define(:version => 20140519070751) do
   add_index "attachments", ["container_id", "container_type"], :name => "index_attachments_on_container_id_and_container_type"
   add_index "attachments", ["created_on"], :name => "index_attachments_on_created_on"
 
-  create_table "attachmentstypes", :force => true do |t|
-    t.integer "typeId",                 :null => false
+  create_table "attachmentstypes", :id => false, :force => true do |t|
+    t.integer "id",                     :null => false
+    t.integer "typeId"
     t.string  "typeName", :limit => 50
   end
 
+  add_index "attachmentstypes", ["id"], :name => "id"
+
   create_table "auth_sources", :force => true do |t|
     t.string  "type",              :limit => 30, :default => "",    :null => false
     t.string  "name",              :limit => 60, :default => "",    :null => false
@@ -675,6 +683,9 @@ ActiveRecord::Schema.define(:version => 20140519070751) do
     t.integer  "viewed_count_crawl", :default => 0
     t.integer  "viewed_count_local", :default => 0
     t.string   "url"
+    t.string   "username"
+    t.string   "userhomeurl"
+    t.date     "date_collected"
   end
 
   create_table "repositories", :force => true do |t|
@@ -763,6 +774,7 @@ ActiveRecord::Schema.define(:version => 20140519070751) do
     t.integer  "softapplication_id"
     t.integer  "is_public"
     t.string   "application_developers"
+    t.string   "deposit_project_url"
   end
 
   create_table "students_for_courses", :force => true do |t|