修复加入课程逻辑判断有误的问题

app/controllers/courses_controller.rb

@@ -26,10 +26,13 @@ class CoursesController < ApplicationController
   def join
     if User.current.logged?
       course = Course.find_by_id params[:object_id]
-      unless course
-        @state = 4
+      if course
+        if course_endTime_timeout? course
+          @state = 2
+        else
+          if User.current.member_of_course?(course)
+            @state = 3
           else
-        unless (allow_join(course) && User.current.member_of_course?(course))
             if params[:course_password] == course.password
               members = []
               members << Member.new(:role_ids => [10], :user_id => User.current.id)
@@ -39,15 +42,16 @@ class CoursesController < ApplicationController
             else
               @state = 1
             end
-        else
-          @state = 3
           end
         end
+      else
+        @state = 4
+      end
     else
       @state = 5
     end
     respond_to do |format|
-      format.js { render :partial => 'set_join', :locals => {:user => User.current, :course => Course.find(params[:object_id]), :object_id => params[:object_id]} }
+      format.js { render :partial => 'set_join', :locals => {:user => User.current, :course => course, :object_id => params[:object_id]} }
     end
   rescue Exception => e
     @state = 4