课程动态新版api

app/api/mobile/apis/courses.rb

@@ -247,7 +247,7 @@ module Mobile
         end
         get "course_dynamic/:id" do
           cs = CoursesService.new
-          count = cs.course_dynamic(params,current_user)
+          count = cs.all_course_dynamics(params,current_user)
           present :data, count, with: Mobile::Entities::CourseDynamic
           present :status, 0
         end

app/api/mobile/entities/attachment.rb

@@ -1,13 +1,18 @@
 module Mobile
   module Entities
     class Attachment  < Grape::Entity
+      include Redmine::I18n
       def self.attachment_expose(field)
         expose field do |f,opt|
           if f.is_a?(Hash) && f.key?(field)
             f[field]
           elsif f.is_a?(::Attachment)
             if f.respond_to?(field)
-              f.send(field)
+              if field == :created_on
+                format_time(f.send(field))
+              else
+                f.send(field)
+              end
             else
               #case field
               #  when ""
@@ -21,6 +26,7 @@ module Mobile
       attachment_expose :description
       attachment_expose :downloads
       attachment_expose :quotes
+      attachment_expose :created_on
     end
   end
 end

app/api/mobile/entities/course_dynamic.rb

@@ -6,6 +6,62 @@ module Mobile
         expose field do |c,opt|
           if field == :update_time
             (format_time(c[field]) if (c.is_a?(Hash) && c.key?(field)))
+          elsif field == :news_count
+            obj  =  nil
+            c[:dynamics].each do |d|
+              if d[:type] == 1
+                obj =  d[:count]
+              end
+            end
+            obj
+          elsif field == :document_count
+            obj = nil
+            c[:dynamics].each do |d|
+              if d[:type] == 3
+                obj = d[:count]
+              end
+            end
+            obj
+          elsif field == :jour_message_count
+            obj  =  nil
+            c[:dynamics].each do |d|
+              if d[:type] == 2
+                obj =  d[:count]
+              end
+            end
+            obj
+          elsif field == :homework_count
+            obj  =  nil
+            c[:dynamics].each do |d|
+              if d[:type] == 4
+                obj =  d[:count]
+              end
+            end
+            obj
+          elsif field == :homework_submit_num
+            obj = nil
+            c[:dynamics].each do |d|
+              if d[:type] == 4
+                obj =  d[:submit_count]
+              end
+            end
+            obj
+          elsif field == :homework_submit_students
+            obj = nil
+            c[:dynamics].each do |d|
+              if d[:type] == 4
+                obj =  d[:studentlist]
+              end
+            end
+            obj
+          elsif field == :homework_status
+          obj = nil
+          c[:dynamics].each do |d|
+            if d[:type] == 4
+              obj =  d[:homework_status]
+            end
+          end
+          obj
           else
             c[field] if (c.is_a?(Hash) && c.key?(field))
           end
@@ -21,6 +77,53 @@ module Mobile
       course_dynamic_expose :course_img_url
       course_dynamic_expose :message
       course_dynamic_expose :update_time
+      course_dynamic_expose :count
+      course_dynamic_expose :news_count
+      course_dynamic_expose :document_count
+      course_dynamic_expose :jour_message_count
+      course_dynamic_expose :homework_count
+      course_dynamic_expose :homework_submit_students
+      course_dynamic_expose :homework_submit_num
+      course_dynamic_expose :homework_status
+      #在dynamics里解析出四种动态
+      expose :document,using:Mobile::Entities::Attachment do |f,opt|
+        obj = nil
+        f[:dynamics].each do |d|
+          if d[:type] == 3
+            obj = d[:documents]
+          end
+        end
+        obj
+      end
+      expose :jour_message,using:Mobile::Entities::Jours do |f,opt|
+        obj  =  nil
+        f[:dynamics].each do |d|
+          if d[:type] == 2
+           obj =  d[:jour_message]
+          end
+        end
+        obj
+      end
+      expose :homework,using:Mobile::Entities::Homework do |f,opt|
+        obj  =  nil
+        f[:dynamics].each do |d|
+          if d[:type] == 4
+            obj =  d[:homework]
+          end
+        end
+        obj
+      end
+
+      expose :news,using:Mobile::Entities::News do |f,opt|
+        obj  =  nil
+        f[:dynamics].each do |d|
+          if d[:type] == 1
+            obj =  d
+          end
+        end
+        obj
+      end
+
     end
   end
 end

app/api/mobile/entities/homework.rb

@@ -1,3 +1,4 @@
+# 这个模块由于作业模块的改变，里边的注释以及属性不可信
 module Mobile
   module Entities
     class Homework < Grape::Entity
@@ -14,7 +15,12 @@ module Mobile
             if f.respond_to?(field)
               f.send(field)
             else
-
+                case field
+                  when :homework_name
+                    f.send(:name)
+                  when :homework_notsubmit_num
+                    f.course.members.count - f.student_works.count
+                end
             end
           end
         end
@@ -60,6 +66,8 @@ module Mobile
         f[:homework_for_anonymous_comments] if f.is_a?(Hash) && f.key?(:homework_for_anonymous_comments)
       end
 
+      homework_expose :homework_notsubmit_num
+
     end
   end
 end

app/services/courses_service.rb

@@ -615,9 +615,102 @@ class CoursesService
     homework_scores
   end
 
+  #app新版api
+  #
+  #
+  #课程动态
+  public
+  def all_course_dynamics params, current_user
+    #获取当前用户的所有课程
+    @user = User.find(params[:id])
+    if current_user.nil? && !current_user.admin? && !@user.active?
+      raise '404'
+      return
+    end
+    if current_user == @user || current_user.admin?
+      membership = @user.coursememberships.all
+    else
+      membership = @user.coursememberships.all(:conditions => Course.visible_condition(current_user))
+    end
+    if membership.nil? || membership.count == 0
+      raise l(:label_no_courses, :locale => get_user_language(current_user))
+    end
+    membership.sort! { |older, newer| newer.created_on <=> older.created_on }
+
+    #定义一个数组集合，存放hash数组，该hash数组包括课程的信息，并包含课程的最新发布的资源，最新的讨论区留言，最新的作业，最新的通知
+    result = []
+    #对用户所有的课程进行循环，找到每个课程最新发布的资源，最新的讨论区留言，最新的作业，最新的通知，并存进数组
+    membership.each do |mp|
+      course = mp.course
+      latest_course_dynamics = []
+      dynamics_count = 0
+      # 课程通知
+      latest_news = course.news.order("created_on desc").first
+      unless latest_news.nil?
+        latest_course_dynamics << {:type => 1, :time => latest_news.created_on,:count=>course.news.count,
+                                    :news => latest_news}
+        dynamics_count += 1
+      end
 
+      # 课程讨论区
+      latest_message = course.journals_for_messages.where("m_parent_id is null").order("created_on desc").first
+      unless latest_message.nil?
+        latest_course_dynamics << {:type => 2, :time => latest_message.created_on, :count =>course.journals_for_messages.where('m_parent_id is null').count, :jour_message => latest_message}
+        dynamics_count += 1
+      end
 
+      # 课程资源
+      latest_attachment = course.attachments.order("created_on desc").first
+      unless latest_attachment.nil?
+        latest_course_dynamics << {:type => 3, :time => latest_attachment.created_on,:count =>course.attachments.count , :documents=>latest_attachment}
+        dynamics_count += 1
+      end
 
+      #课程作业 已经交的学生列表（暂定显示6人），未交的学生列表，作业的状态
+      homework = course.homework_commons.order('created_at desc').first
+      homework_status = "";
+      # 判断作业所处的状态，如果是刚发布，就获取剩余时间
+      #如果是匿评状态，显示正在匿评
+      #如果是匿评结束，显示匿评结束
+      #获取作业提交的前6个人，不足6个显示所有
+      studentlist = []
+      if !homework.nil?
+        if  homework.homework_type == 1 && homework.homework_detail_manual
+          case homework.homework_detail_manual.comment_status
+            when 1
+              homework_status = show_homework_deadline homework
+            when 2
+              homework_status = "正在匿评中"
+            when 3
+              homework_status = "匿评已结束"
+          end
+        elsif homework.homework_type == 0
+          homework_status = "未启用匿评"
+        elsif homework.homework_type == 2
+          homework_status = "编程作业"
+        else
+        end
+        # 获取提交作业的前六个学生的名字 和 头像路径
+        homework.student_works.order("created_at desc").page(1).per(6).each do |work|
+          studentlist << {:image_url=> url_to_avatar(work.user),:user_name=>work.user.realname}
+        end
+        latest_course_dynamics << {:type => 4, :time => homework.updated_at, :count=>course.homework_commons.count,:submit_count => homework.student_works.count , :homework => homework, :homework_status => homework_status, :studentlist => studentlist}
+        dynamics_count += 1
+      end
+        latest_course_dynamics.sort! { |order, newer| newer[:time] <=> order[:time] }
+        latest_course_dynamic = latest_course_dynamics.first
+        unless latest_course_dynamic.nil?
+          result << {:course_name => course.name, :course_id => course.id, :course_img_url => url_to_avatar(course), :course_time => course.time, :course_term => course.term,:message => dynamics_count, :dynamics => latest_course_dynamics, :count => dynamics_count}
+        end
+    end
+    #返回数组集合
+    result.sort! { |order, newer| newer[:update_time] <=> order[:update_time] }
+    result
+  end
 
+    #计算作业的截止日期，剩余日期
+    def show_homework_deadline homework
+        "截止日期：" << homework.end_time.to_s << ",剩余时间：" << (Date.parse(Time.now.to_s) - Date.parse(homework.end_time.to_s)).to_i.to_s << "天"
+    end
+  end
 
-end