名师榜sql查询

app/controllers/organizations_controller.rb

@@ -103,7 +103,7 @@ class OrganizationsController < ApplicationController
           @org_subfield = OrgSubfield.find(params[:org_subfield_id])
           if @org_subfield.field_type == "Comptec" || @org_subfield.field_type == "Compstu"
             #@org_students = User.find_by_sql("SELECT * FROM users u, user_extensions ue where u.id = ue.user_id and ue.identity =1;")
-            @org_teachers = User.find_by_sql("SELECT * FROM users u, user_extensions ue where u.id = ue.user_id and ue.identity =0;")
+            @org_teachers = User.find_by_sql("select u.*, ue.technical_title, ue.school_id,(select count(*) from courses where courses.tea_id = u.id) as course_count from users u, user_extensions ue where u.id = ue.user_id and ue.identity=0 order by course_count desc")
           else
             @org_subfield_ids = @org_subfield.org_document_comments.map(&:id) << 0
             @org_activities = OrgActivity.where("(org_act_type='OrgDocumentComment'and org_act_id in (#{@org_subfield_ids.join(",")})) || (container_type='OrgSubfield' and container_id=#{@org_subfield.id})").order('updated_at desc').page(params[:page] || 1).per(10)

app/helpers/organizations_helper.rb

@@ -170,7 +170,11 @@ module OrganizationsHelper
   end
 
   def org_teacher_resource_count user
-    results = Attachment.find_by_sql("SELECT * FROM `attachments` where author_id = #{user.user_id};")
+    results = Attachment.find_by_sql("SELECT count(*) 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
   end
 
 end

app/models/school.rb

@@ -5,4 +5,5 @@ class School < ActiveRecord::Base
   def to_s
   	self.name.to_s
   end
+
 end

app/views/organizations/_show_teachers.html.erb

@@ -23,7 +23,7 @@
                   <span class="f12 fontGrey2"><%= org_teacher.technical_title %></span></div>
               <% end %>
             <div class="teacher-social-block">
-              <div class="block-num"><%= User.current.courses.count %></div>
+              <div class="block-num"><%= org_teacher.courses.count %></div>
               <div class="block-title">课程数</div>
             </div>
             <div class="block-slice"></div>
@@ -33,7 +33,7 @@
             </div>
             <div class="block-slice"></div>
             <div class="teacher-social-block">
-              <div class="block-num"><%= org_teacher_resource_count(org_teacher) %>8000</div>
+              <div class="block-num"><%= org_teacher_resource_count(org_teacher) %></div>
               <div class="block-title">资源数</div>
             </div>
           </div>