educoder/app/controllers/course_second_categories_co...

61 lines
2.5 KiB

class CourseSecondCategoriesController < ApplicationController
before_action :require_login, :check_auth
before_action :set_category
before_action :teacher_allowed
# 目录重命名
def rename_category
tip_exception("毕设子目录不能重命名") if @category.category_type == "graduation"
tip_exception("名称不能为空") if params[:name].blank?
tip_exception("已存在同名子目录") if @course_module.course_second_categories.exists?(name: params[:name].strip)
@category.update_attributes(name: params[:name].strip)
normal_status(0, "更新成功")
end
# 子目录的拖动
def move_category
tip_exception("移动失败") if params[:position].blank?
unless params[:position].to_i == @category.position
if params[:position].to_i < @category.position
@course_module.course_second_categories.where("position < #{@category.position} and position >= ?", params[:position]).update_all("position = position + 1")
else
@course_module.course_second_categories.where("position > #{@category.position} and position <= ?", params[:position]).update_all("position = position - 1")
end
@category.update_attributes(position: params[:position])
normal_status(0, "移动成功")
else
normal_status(-1, "位置没有变化")
end
end
def destroy
tip_exception("毕设子目录不能删除") if @category.category_type == "graduation"
ActiveRecord::Base.transaction do
begin
@course_module.course_second_categories.where("position > #{@category.position}").update_all("position = position - 1")
# 更新相应对象的子目录id
if @course_module.module_type == "shixun_homework"
@category.homework_commons.update_all(course_second_category_id: 0)
@right_url = "/courses/#{@course.id}/shixun_homeworks/#{@course_module.id}"
elsif @course_module.module_type == "attachment"
Attachment.where(course_second_category_id: @category.id).update_all(course_second_category_id: 0)
@right_url = "/courses/#{@course.id}/files/#{@course_module.id}"
end
@category.destroy
rescue Exception => e
uid_logger_error(e.message)
tip_exception("删除子目录失败")
end
end
end
private
def set_category
@category = CourseSecondCategory.find_by!(id: params[:id])
@course_module = @category.course_module
@course = @course_module.try(:course)
end
end