增加教师优先字段

app/controllers/users_controller.rb

@@ -445,6 +445,7 @@ class UsersController < ApplicationController
         homework.publish_time = Time.now
         homework.homework_type = params[:homework_type].to_i || 1
         homework.late_penalty = 10
+        homework.teacher_priority = 1
         homework.user_id = User.current.id
         homework.course_id = params[:course_id]
 

db/migrate/20150917022239_add_teacher_priority_to_homework.rb

@@ -0,0 +1,5 @@
+class AddTeacherPriorityToHomework < ActiveRecord::Migration
+  def change
+    add_column :homework_commons,:teacher_priority,:integer,:default => 1
+  end
+end