学生统计数

app/helpers/organizations_helper.rb

@@ -170,11 +170,15 @@ module OrganizationsHelper
   end
 
   def org_teacher_resource_count user
-    results = Attachment.find_by_sql("SELECT count(*) FROM attachments where author_id = #{user.id};").count
+    results = Attachment.find_by_sql("SELECT * FROM attachments where author_id = #{user.id};").count
   end
 
   def org_teacher_course_count user
-    results = Course.find_by_sql("select count(*) from courses where courses.tea_id = #{user.id}").count
+    results = Course.find_by_sql("select * from courses where courses.tea_id = #{user.id}").count
   end
 
+  def org_student_course_count user
+    course_ids = user.courses.map { |c| c.is_delete == 0 && c.id}
+    results = Member.find_by_sql("select id from courses where courses.tea_id = #{user.id}").count
+  end
 end

app/views/organizations/_show_teachers.html.erb

@@ -23,12 +23,12 @@
                   <span class="f12 fontGrey2"><%= org_teacher.technical_title %></span></div>
               <% end %>
             <div class="teacher-social-block">
-              <div class="block-num"><%= org_teacher.courses.count %></div>
+              <div class="block-num"><%= org_teacher_course_count(org_teacher) %></div>
               <div class="block-title">课程数</div>
             </div>
             <div class="block-slice"></div>
             <div class="teacher-social-block">
-              <div class="block-num">500</div>
+              <div class="block-num"><%= org_student_course_count(org_teacher) %>500</div>
               <div class="block-title">学生数</div>
             </div>
             <div class="block-slice"></div>