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class CourseModulesController < ApplicationController
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before_action :require_login
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before_action :set_module, except: [:unhidden_modules]
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before_action :find_course, only: [:unhidden_modules]
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before_action :teacher_allowed
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# 模块置顶
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def sticky_module
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# position为1则不做处理，否则该模块的position置为1，position小于当前模块的position加1
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unless @course_module.position == 1
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@course.course_modules.where("position < #{@course_module.position}").update_all("position = position + 1")
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@course_module.update_attributes(position: 1)
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end
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normal_status(0, "置顶成功")
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end
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# 模块隐藏
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def hidden_module
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@course_module.update_attributes(hidden: 1)
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normal_status(0, "更新成功")
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end
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# 模块重命名
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def rename_module
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name = params[:name].strip
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tip_exception("名称不能为空") if name.blank?
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tip_exception("已存在同名模块") if @course.course_modules.exists?(module_name: name)
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@course_module.update_attributes(module_name: name)
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case @course_module.module_type
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when 'board'
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@course.course_board.update_columns(name: name)
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end
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normal_status(0, "更新成功")
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end
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# 模块的显示
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def unhidden_modules
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tip_exception("请选择要显示的模块") if params[:module_ids].blank?
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@course.course_modules.where(id: params[:module_ids]).update_all(hidden: 0)
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normal_status(0, "更新成功")
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end
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# 添加二级目录
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def add_second_category
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tip_exception("子目录名称不能为空") if params[:name].blank?
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tip_exception("已存在同名子目录") if @course_module.course_second_categories.exists?(name: params[:name].strip)
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ActiveRecord::Base.transaction do
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begin
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@course_module.course_second_categories.create!(name: params[:name].strip, category_type: @course_module.module_type,
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course_id: @course.id, position: @course_module.course_second_categories.count + 1)
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normal_status(0, "添加成功")
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rescue Exception => e
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uid_logger_error(e.message)
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tip_exception("添加子目录失败")
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end
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end
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end
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private
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def set_module
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@course_module = CourseModule.find_by!(id: params[:id])
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@course = @course_module.course
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end
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end
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