小程序创建课堂

app/controllers/weapps/courses_controller.rb

@@ -1,8 +1,27 @@
 class Weapps::CoursesController < Weapps::BaseController
-  before_action :require_wechat_login!
+  # before_action :require_wechat_login!
 
   def create
     return render_error("只有老师身份才能创建课堂") unless current_user.is_teacher?
+    course = Course.new(tea_id: current_user.id)
+    Weapps::CreateCourseService.call(course, course_params)
+    render_ok
 
+  rescue ApplicationService::Error => ex
+    render_error(ex.message)
+  end
+
+  def edit
+
+  end
+
+  def update
+
+  end
+
+  private
+
+  def course_params
+    params.permit(:name, :course_list_name, :credit, course_module_types: [])
   end
 end

app/controllers/weapps/homes_controller.rb

@@ -1,5 +1,5 @@
 class Weapps::HomesController < Weapps::BaseController
-  # before_action :require_wechat_login!
+  before_action :require_wechat_login!
 
   def show
     # banner

app/forms/weapps/create_course_form.rb

@@ -0,0 +1,20 @@
+class Weapps::CreateCourseForm
+  include ActiveModel::Model
+
+  attr_accessor :course
+  attr_accessor :name, :course_list_name, :credit, :course_module_types
+
+  validates :name, presence: true
+  validates :course_list_name, presence: true
+
+  validate :course_name_prefix
+  validate :check_course_modules
+
+  def course_name_prefix
+    raise '课堂名称应以课程名称开头' unless name.index(course_list_name) && name.index(course_list_name) == 0
+  end
+
+  def check_course_modules
+    raise '请至少添加一个课堂模块' if course_module_types.blank?
+  end
+end

app/services/weapps/create_course_service.rb

@@ -0,0 +1,30 @@
+class Weapps::CreateCourseService < ApplicationService
+  attr_reader :course, :params
+
+  def initialize(course, params)
+    @course = course
+    @params = params
+  end
+
+  def call
+    Weapps::CreateCourseForm.new(form_params).validate!
+
+    ActiveRecord::Base.transaction do
+      course.name = params[:name].to_s.strip
+      course.school_id = course.teacher&.school_id
+      course.is_public = 0
+      course.credit = params[:credit].blank? ? nil : params[:credit]
+      course.save!
+
+      course.generate_invite_code
+      CourseMember.create!(course_id: course.id, user_id: course.tea_id, role: 1)
+      course.create_course_modules(params[:course_module_types])
+    end
+  end
+
+  private
+
+  def form_params
+    params.merge(course: course)
+  end
+end

app/views/weapps/homes/show.json.jbuilder

@@ -20,6 +20,7 @@ json.course_count @course_count
 json.courses @courses.each do |course|
   json.(course, :id, :name, :visits, :course_members_count)
   json.creator course.teacher.real_name
+  json.avatar_url url_to_avatar(course.teacher)
   json.school course.school&.name
   course_member = @category == "study" ? course.students.where(user_id: @user.id).first : course.teachers.where(user_id: @user.id).first
   json.sticky course_member.sticky

config/routes.rb

@@ -879,6 +879,8 @@ Rails.application.routes.draw do
       resources :course_stickies, only: [:create] do
         post :cancel_sticky, on: :collection
       end
+
+      resources :courses, only: [:create, :update, :edit]
     end
 
     resources :users_for_partners, only: [:index]