学生作品详细得分表，以及相关的关系

app/models/homework_common.rb

@@ -9,4 +9,5 @@ class HomeworkCommon < ActiveRecord::Base
   has_one :homework_detail_programing, :dependent => :destroy
   has_many :homework_tests, :dependent => :destroy
   has_many :student_works, :dependent => :destroy
+  has_many :student_works_evaluation_distributions, :through => :student_works #一个作业的分配的匿评列表
 end

app/models/student_work.rb

@@ -5,4 +5,5 @@ class StudentWork < ActiveRecord::Base
   belongs_to :homework_common
   belongs_to :user
   has_many :student_works_evaluation_distributions, :dependent => :destroy
+  has_many :student_works_scores, :dependent => :destroy
 end

app/models/student_works_score.rb

@@ -0,0 +1,6 @@
+class StudentWorksScore < ActiveRecord::Base
+  attr_accessible :student_work_id, :user_id, :score, :comment, :reviewer_role
+
+  belongs_to :user
+  belongs_to :student_work
+end

app/models/user.rb

@@ -85,6 +85,7 @@ class User < Principal
   has_many :homework_commons, :dependent => :destroy
   has_many :student_works, :dependent => :destroy
   has_many :student_works_evaluation_distributions, :dependent => :destroy
+  has_many :student_works_scores, :dependent => :destroy
   #end
 
   has_and_belongs_to_many :groups, :after_add => Proc.new {|user, group| group.user_added(user)},

db/migrate/20150519030544_create_student_works_scores.rb

@@ -0,0 +1,12 @@
+class CreateStudentWorksScores < ActiveRecord::Migration
+  def change
+    create_table :student_works_scores do |t|
+      t.integer :student_work_id
+      t.integer :user_id
+      t.integer :score
+      t.text :comment
+      t.integer :reviewer_role
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20150519023821) do
+ActiveRecord::Schema.define(:version => 20150519030544) do
 
   create_table "activities", :force => true do |t|
     t.integer "act_id",   :null => false
@@ -1218,6 +1218,16 @@ ActiveRecord::Schema.define(:version => 20150519023821) do
     t.datetime "updated_at",      :null => false
   end
 
+  create_table "student_works_scores", :force => true do |t|
+    t.integer  "student_work_id"
+    t.integer  "user_id"
+    t.integer  "score"
+    t.text     "comment"
+    t.integer  "reviewer_role"
+    t.datetime "created_at",      :null => false
+    t.datetime "updated_at",      :null => false
+  end
+
   create_table "students_for_courses", :force => true do |t|
     t.integer  "student_id"
     t.integer  "course_id"