题库的数据结构调整

app/models/curriculum.rb

@@ -1,4 +0,0 @@
-class Curriculum < ApplicationRecord
-  belongs_to :curriculum_direction
-  has_many :knowledge_points, dependent: :destroy
-end

app/models/curriculum_direction.rb

@@ -1,4 +0,0 @@
-class CurriculumDirection < ApplicationRecord
-  has_many :curriculums
-  has_many :knowledge_points
-end

app/models/item_bank.rb

@@ -3,8 +3,6 @@ class ItemBank < ApplicationRecord
   # item_type:  0 单选  1 多选  2 判断  3 填空  4 简答  5 实训 6 编程
   enum item_type: { SINGLE: 0, MULTIPLE: 1, JUDGMENT: 2, COMPLETION: 3, SUBJECTIVE: 4, PRACTICAL: 5, PROGRAM: 6 }
 
-  belongs_to :curriculum
-  belongs_to :curriculum_direction
   belongs_to :user
 
   has_one :item_analysis, dependent: :destroy

app/models/knowledge_point.rb

@@ -1,5 +0,0 @@
-class KnowledgePoint < ApplicationRecord
-  belongs_to :curriculum_direction
-  belongs_to :curriculum
-  has_many :knowledge_point_containers, dependent: :destroy
-end

app/models/knowledge_point_container.rb

@@ -1,3 +0,0 @@
-class KnowledgePointContainer < ApplicationRecord
-  belongs_to :knowledge_point
-end

db/migrate/20191218070922_create_curriculum_directions.rb

@@ -1,9 +0,0 @@
-class CreateCurriculumDirections < ActiveRecord::Migration[5.2]
-  def change
-    create_table :curriculum_directions do |t|
-      t.string :name
-
-      t.timestamps
-    end
-  end
-end

db/migrate/20191218071017_create_curriculums.rb

@@ -1,10 +0,0 @@
-class CreateCurriculums < ActiveRecord::Migration[5.2]
-  def change
-    create_table :curriculums do |t|
-      t.string :name
-      t.references :curriculum_direction, index: true
-
-      t.timestamps
-    end
-  end
-end

db/migrate/20191218071111_create_knowledge_points.rb

@@ -1,11 +0,0 @@
-class CreateKnowledgePoints < ActiveRecord::Migration[5.2]
-  def change
-    create_table :knowledge_points do |t|
-      t.string :name
-      t.references :curriculum_direction, index: true
-      t.references :curriculum, index: true
-
-      t.timestamps
-    end
-  end
-end

db/migrate/20191218071343_create_knowledge_point_containers.rb

@@ -1,12 +0,0 @@
-class CreateKnowledgePointContainers < ActiveRecord::Migration[5.2]
-  def change
-    create_table :knowledge_point_containers do |t|
-      t.references :knowledge_point
-      t.integer :container_id
-      t.string :container_type
-
-      t.timestamps
-    end
-    add_index :knowledge_point_containers, [:knowledge_point_id, :container_id, :container_type], name: "container_index", unique: true
-  end
-end

spec/models/curriculum_direction_spec.rb

@@ -1,5 +0,0 @@
-require 'rails_helper'
-
-RSpec.describe CurriculumDirection, type: :model do
-  pending "add some examples to (or delete) #{__FILE__}"
-end

spec/models/curriculum_spec.rb

@@ -1,5 +0,0 @@
-require 'rails_helper'
-
-RSpec.describe Curriculum, type: :model do
-  pending "add some examples to (or delete) #{__FILE__}"
-end

spec/models/knowledge_point_container_spec.rb

@@ -1,5 +0,0 @@
-require 'rails_helper'
-
-RSpec.describe KnowledgePointContainer, type: :model do
-  pending "add some examples to (or delete) #{__FILE__}"
-end

spec/models/knowledge_point_spec.rb

@@ -1,5 +0,0 @@
-require 'rails_helper'
-
-RSpec.describe KnowledgePoint, type: :model do
-  pending "add some examples to (or delete) #{__FILE__}"
-end