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pgfqe6ch8/app/models/course_member.rb

86 lines
2.9 KiB

class CourseMember < ActiveRecord::Base
# attr_accessible :title, :body
belongs_to :course, counter_cache: true
belongs_to :user
belongs_to :course_group, counter_cache: true
after_create :create_student_works, :create_exercise_users, :create_poll_users, :create_graduation_works
#加入班级时创建作业的作品
def create_student_works
if role == 4
course = self.course
str = ""
homeworks = course.homework_commons.includes(:homework_detail_manual).where("homework_type in (1, 3, 4)")
if homeworks.count != 0
homeworks.each do |hw|
str += "," if str != ""
str += "('#{hw.name}的作品提交',#{hw.id},#{user_id}, '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
end
if str != ""
sql = "insert into student_works (name, homework_common_id, user_id, created_at, updated_at) values" + str
ActiveRecord::Base.connection.execute sql
end
end
end
end
# 加入班级时创建已发布试卷的作品
def create_exercise_users
if role == 4
course = self.course
str = ""
exercises = course.exercises
if exercises.count != 0
exercises.each do |ex|
str += "," if str != ""
str += "(#{ex.id},#{user_id}, 0, '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
end
if str != ""
sql = "insert into exercise_users (exercise_id, user_id, commit_status, created_at, updated_at) values" + str
ActiveRecord::Base.connection.execute sql
end
end
end
end
# 加入班级时创建已发布问卷的作品
def create_poll_users
if role == 4
course = self.course
str = ""
polls = course.polls
if polls.count != 0
polls.each do |poll|
str += "," if str != ""
str += "(#{poll.id},#{user_id}, 0, '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
end
if str != ""
sql = "insert into poll_users (poll_id, user_id, commit_status, created_at, updated_at) values" + str
ActiveRecord::Base.connection.execute sql
end
end
end
end
# 创建毕设任务作品
def create_graduation_works
if role == 4
course = self.course
str = ""
tasks = course.graduation_tasks
if tasks.count != 0
tasks.each do |task|
str += "," if str != ""
str += "(#{task.id}, #{user_id}, #{course.id}, '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
end
if str != ""
sql = "insert into graduation_works (graduation_task_id, user_id, course_id, created_at, updated_at) values" + str
ActiveRecord::Base.connection.execute sql
end
end
end
end
end