签到

app/controllers/attendances_controller.rb

@@ -0,0 +1,38 @@
+class AttendancesController < ApplicationController
+  before_action :require_login
+  before_action :find_course, only: [:create, :index]
+
+  def create
+    ActiveRecord::Base.transaction do
+      attendance = @course.course_attendances.create!(create_params)
+      unless params[:group_ids].blank?
+        params[:group_ids].each do |group_id|
+          @course.course_attendance_groups.create!(course_group_id: group_id, course_attendance: attendance)
+        end
+      else
+
+      end
+    end
+  end
+
+  def index
+
+  end
+
+  def show
+
+  end
+
+  def update
+
+  end
+
+  def destroy
+
+  end
+
+  private
+  def create_params
+    params.permit(:name, :mode, :attendance_date, :start_time, :end_time)
+  end
+end

app/models/course.rb

@@ -90,6 +90,10 @@ class Course < ApplicationRecord
   # 直播
   has_many :live_links, dependent: :destroy
 
+  # 签到
+  has_many :course_attendances, dependent: :destroy
+  has_many :course_attendance_groups, dependent: :destroy
+
   validate :validate_sensitive_string
 
   scope :hidden,      ->(is_hidden = true) { where(is_hidden: is_hidden) }

app/models/course_attendance.rb

@@ -0,0 +1,13 @@
+class CourseAttendance < ApplicationRecord
+  belongs_to :course
+  belongs_to :user
+
+  has_many :course_attendance_groups, dependent: :destroy
+
+  validates :name, presence: true
+  validates :mode, presence: true
+  validates :attendance_date, presence: true
+  validates :start_time, presence: true
+  validates :end_time, presence: true
+
+end

app/models/course_attendance_group.rb

@@ -0,0 +1,5 @@
+class CourseAttendanceGroup < ApplicationRecord
+  belongs_to :course
+  belongs_to :course_attendance
+  belongs_to :course_group
+end

config/routes.rb

@@ -554,6 +554,8 @@ Rails.application.routes.draw do
         end
       end
 
+      resources :attendances, only: [:index, :update, :create, :show, :destroy], shallow: true
+
       resources :live_links, only: [:index, :update, :create, :edit, :destroy], shallow: true
 
       resources :homework_commons, shallow: true do

db/migrate/20200302034841_create_course_attendances.rb

@@ -0,0 +1,15 @@
+class CreateCourseAttendances < ActiveRecord::Migration[5.2]
+  def change
+    create_table :course_attendances do |t|
+      t.references :course, index: true
+      t.references :user, index: true
+      t.string :name
+      t.integer :mode, limit: 1, default: 0
+      t.date :attendance_date
+      t.time :start_time
+      t.time :end_time
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20200302035218_create_course_attendance_groups.rb

@@ -0,0 +1,13 @@
+class CreateCourseAttendanceGroups < ActiveRecord::Migration[5.2]
+  def change
+    create_table :course_attendance_groups do |t|
+      t.references :course, index: true
+      t.references :course_attendance
+      t.references :course_group, index: true
+
+      t.timestamps
+
+      add_index :course_attendances, [:course_attendance_id, :course_group_id, :course_id], name: "course_group_attendance", unique: true
+    end
+  end
+end

spec/models/course_attendance_group_spec.rb

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

spec/models/course_attendance_spec.rb

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