发送消息

app/controllers/exercise_controller.rb

@@ -316,6 +316,9 @@ class ExerciseController < ApplicationController
     @exercise.exercise_status = 2
     @exercise.publish_time = Time.now
     if @exercise.save
+      @exercise.course.members.each do |m|
+         @exercise.course_messages << CourseMessage.create(:user_id =>m.user_id, :course_id => @exercise.course.id, :viewed => false,:status=>2)
+      end
       #redirect_to exercise_index_url(:course_id=> @course.id)
       respond_to do |format|
         format.js
@@ -331,6 +334,7 @@ class ExerciseController < ApplicationController
     @exercise.exercise_questions.each do |exercise_question|
       exercise_question.exercise_answers.destroy_all
     end
+    @exercise.course_messages.destroy_all
     @exercise.exercise_users.destroy_all
     @exercise.exercise_status = 1
     @exercise.publish_time = nil

app/controllers/users_controller.rb

@@ -92,7 +92,7 @@ class UsersController < ApplicationController
   end
 
   # 用户消息
-  # 说明： homework 发布作业；message：讨论区； news：新闻； poll：问卷；works_reviewers：作品评阅；works_reply:作品回复
+  # 说明： homework 发布作业；message：讨论区； news：新闻； poll：问卷；works_reviewers：作品评阅；works_reply:作品回复,exercise:课程测验
   # issue：问题；journal：缺陷状态更新； forum：公共贴吧: user_feedback: 用户留言; new_reply:新闻回复（comment）
   def user_messages
     if !User.current.logged?
@@ -128,7 +128,7 @@ class UsersController < ApplicationController
 
       #课程相关消息
       when 'homework'
-        @message_alls = CourseMessage.where("course_message_type in ('HomeworkCommon','StudentWorksScore','JournalsForMessage','StudentWork') and user_id =?",  @user).order("created_at desc")
+        @message_alls = CourseMessage.where("course_message_type in ('HomeworkCommon','StudentWorksScore','JournalsForMessage','StudentWork','Exercise') and user_id =?",  @user).order("created_at desc")
       when 'course_message'
         @message_alls = CourseMessage.where("course_message_type =? and user_id =?", "Message", @user).order("created_at desc")
       when 'course_news'

app/models/exercise.rb

@@ -6,4 +6,18 @@ class Exercise < ActiveRecord::Base
   has_many :exercise_questions, :dependent => :destroy,:order => "#{ExerciseQuestion.table_name}.question_number"
   has_many :exercise_users, :dependent => :destroy
   has_many :users, :through => :exercise_users #该测试被哪些用户提交答案过
+  # 课程消息
+  has_many :course_messages, :class_name =>'CourseMessage', :as => :course_message, :dependent => :destroy
+  after_create :acts_as_course_message
+  def acts_as_course_message
+    if self.course
+      if self.exercise_status == 2 #未发布
+        #self.course.members.each do |m|
+          self.course_messages << CourseMessage.create(:user_id => User.current.id, :course_id => self.course_id, :viewed => false,:status=>2)
+        #end
+      # else
+      #   self.course_messages.destroy_all 这里的destory_all值得商榷。因为我这里是通过status来控制不同的status的
+      end
+    end
+  end
 end

app/views/users/_user_message_course.html.erb

@@ -612,4 +612,74 @@
           <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
         </ul>
     <% end %>
+
+    <!--老师发布测验 发给学生看-->
+    <% if ma.course_message_type == "Exercise" && ma.status == 2 %>
+        <ul class="homepageNewsList fl">
+          <li class="homepageNewsPortrait fl"><a href="javascript:void(0);"><%=link_to image_tag(url_to_avatar(ma.course_message.user), :width => "30", :height => "30"), user_path(ma.course_message.user) %></a></li>
+          <li class="homepageNewsPubType fl">
+            <span><%=link_to ma.course_message.user.lastname + ma.course_message.user.firstname + "老师",
+                       user_path(ma.course_message.user), :class => "newsBlue homepageNewsPublisher" %></span><span class="<%= ma.viewed == 0 ? "homepageNewsTypeNotRead fl":"homepageNewsType fl" %>">发布了课程测验 ：</span></li>
+          <li class="homepageNewsContent fl">
+            <%= link_to "测验题目：" + ma.course_message.exercise_name, exercise_path(:id => ma.course_message.id), :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
+                        :onmouseover =>"message_titile_show($(this),event)",
+                        :onmouseout => "message_titile_hide($(this))"%>
+          </li>
+
+          <div  style="display: none" class="message_title_red system_message_style">
+            <p>
+              <%= User.current.lastname + User.current.firstname %><%= User.current.allowed_to?(:as_teacher,ma.course_message.course) ? '老师':'同学'%>您好！
+              <%= User.current.eql?(ma.course_message.user)?"您":(ma.course_message.user.lastname + ma.course_message.user.firstname+"老师") %>发布了课程测验 ，测验详情如下：
+            </p>
+            <ul class="ul_normal_color">
+              <li>课程名称：<%= ma.course_message.course.name %>(<%= ma.course_message.course.time.to_s + '年'+ ma.course_message.course.term %>)</li>
+              <li>测验标题：<%= ma.course_message.exercise_name %></li>
+              <!--<li>测验描述：<%#= ma.course_message.exercise_description %></li>-->
+              <!--<li>测验状态：<%#= ma.course_message.exercise_status == 1 ? '未发布':'已发布'%></li>-->
+              <!--<%# if ma.course_message.publish_time %>-->
+              <!--<li>发布时间：<%#= ma.course_message.publish_time.to_s.gsub("+0800","").to_datetime.strftime("%Y-%m-%d %H:%M:%S") %></li>-->
+               <!--<%# end %>-->
+              <li>截止时间：<%= ma.course_message.end_time.to_s.gsub("+0800","").to_datetime.strftime("%Y-%m-%d %H:%M:%S") %></li>
+              <li>答题时间：<%= ma.course_message.time == 0 ? '不限时' : ma.course_message.time.to_s + '分钟' %></li>
+              <% if !User.current.allowed_to?(:as_teacher,ma.course_message.course)%>
+                <p>请记得在截止时间前完成测验噢,辛苦啦！</p>
+              <% end %>
+            </ul>
+          </div>
+          <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
+        </ul>
+    <% end %>
+
+
+    <% if ma.course_message_type == "Exercise" && ma.status == 3 %>
+        <ul class="homepageNewsList fl">
+          <li class="homepageNewsPortrait fl"><a href="javascript:void(0);"><%=link_to image_tag(url_to_avatar(ma.course_message.user), :width => "30", :height => "30"), user_path(ma.course_message.user) %></a></li>
+          <li class="homepageNewsPubType fl">
+           <span>  <%=link_to ma.course_message.user.lastname + ma.course_message.user.firstname + "老师",
+                       user_path(ma.course_message.user), :class => "newsBlue homepageNewsPublisher" %></span><span class="<%= ma.viewed == 0 ? "homepageNewsTypeNotRead fl":"homepageNewsType fl" %>">发布的测验：</span></li>
+          <li class="homepageHomeworkContent fl">
+            <%= link_to "测验题目：" + ma.course_message.exercise_name, exercise_path(:id => ma.course_message.id), :class =>"#{ma.viewed == 0 ? "newsBlack" : "newsGrey"}",
+                        :onmouseover =>"message_titile_show($(this),event)",
+                        :onmouseout => "message_titile_hide($(this))"%>
+
+          </li>
+
+          <div  style="display: none" class="message_title_red system_message_style">
+            <p>
+              <%= User.current.lastname + User.current.firstname %><%= User.current.allowed_to?(:as_teacher,ma.course_message.course) ? '老师':'同学'%>您好！
+              <%= User.current.eql?(ma.course_message.user)?"您":(ma.course_message.user.lastname + ma.course_message.user.firstname+"老师") %>发布的课程测验截止时间快到了，测验详情如下：
+            </p>
+
+            <ul class="ul_normal_color">
+              <li>课程名称：<%= ma.course_message.course.name %>(<%= ma.course_message.course.time.to_s + '年'+ ma.course_message.course.term %>)</li>
+              <li>测验标题：<%= ma.course_message.exercise_name %></li>
+              <li>截止时间：<%= ma.course_message.end_time.to_s.gsub("+0800","").to_datetime.strftime("%Y-%m-%d %H:%M:%S") %></li>
+              <li>答题时间：<%= ma.course_message.time == 0 ? '无限制' : ma.course_message.time.to_s + '分钟' %></li>
+              <p>请及时完成课程测验，辛苦啦！</p>
+            </ul>
+          </div>
+          <li class="homepageHomeworkContentWarn fl">截止时间快到啦 </li>
+          <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>
+        </ul>
+    <% end %>
 <% end %>

lib/tasks/exercise_close_to_deadline_warn.rake

@@ -0,0 +1,22 @@
+#coding=utf-8
+
+namespace :exercise_deadline_warn do
+  desc "exercise deadline warn"
+  task :deadline_warn => :environment do
+    exercises = Exercise.where("date_format(end_time,'%Y-%m-%d')= '#{Date.today}'") #截止日期都是当天 23.59分，所以年月日相等的一定是今晚会截止的测验
+    exercises.each do |exercise|
+      if exercise.exercise_status == 2 #发布的作业才能告给学生发截止消息
+        course = exercise.course
+        course.members.each do |m|
+          #CourseMessage status 1 未发布 status 2 已发布  status 3 已发布快截止了
+          exercise.course_messages << CourseMessage.new(:user_id => m.user_id, :course_id => course.id, :viewed => false, :status => 3) unless m.user.allowed_to?(:as_teacher,m)
+        end
+        # if homework.course_acts.size == 0
+        #   homework.course_acts << CourseActivity.new(:user_id => homework.user_id,:course_id => homework.course_id)
+        # end
+        # 邮件通知
+        #Mailer.run.homework_added(homework)
+      end
+    end
+  end
+end

lib/tasks/exercise_publishtime.rake

@@ -0,0 +1,22 @@
+#coding=utf-8
+
+namespace :exercise_publishtime do
+  desc "start publish exercise"
+  task :publish => :environment do
+    exercises = Exercise.where("date_format(publish_time,'%Y-%m-%d')= '#{Date.today}'")
+    exercises.each do |exercise|
+      if exercise.exercise_status == 1 #未发布
+        exercise.update_column('exercise_status', 2) #改为发布
+        course = exercise.course
+        course.members.each do |m|
+          exercise.course_messages << CourseMessage.new(:user_id => m.user_id, :course_id => course.id, :viewed => false, :status => 2)
+        end
+        # if homework.course_acts.size == 0
+        #   homework.course_acts << CourseActivity.new(:user_id => homework.user_id,:course_id => homework.course_id)
+        # end
+        # 邮件通知
+        #Mailer.run.homework_added(homework)
+      end
+    end
+  end
+end