You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
80 lines
2.4 KiB
80 lines
2.4 KiB
class BoardsController < ApplicationController
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before_action :require_login
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before_action :find_course, only: [:create]
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before_action :set_board, except: [:create]
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before_action :teacher_allowed
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def index
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@boards = @course.boards.includes(messages: [:last_reply, :author]);
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end
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def show
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end
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def create
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ActiveRecord::Base.transaction do
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board = @course.course_board
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new_board = Board.new(board_params)
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new_board.course_id = @course.id
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new_board.project_id = -1
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new_board.parent_id = board.try(:id)
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new_board.position = board.children.count + 1
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new_board.save!
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end
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normal_status(0, "添加成功")
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end
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# 子目录的拖动
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def move_category
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tip_exception("移动失败") if params[:position].blank?
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return normal_status(-1, "位置没有变化") if params[:position].to_i == @board.position
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course_board = @course.course_board
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ActiveRecord::Base.transaction do
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if params[:position].to_i < @board.position
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course_board.children.where("position < ? and position >= ?", @board.position, params[:position])
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.update_all("position = position + 1")
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else
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course_board.children.where("position > ? and position <= ?", @board.position, params[:position])
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.update_all("position = position - 1")
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end
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@board.update_attributes(position: params[:position])
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end
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normal_status(0, "移动成功")
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end
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def destroy
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ActiveRecord::Base.transaction do
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begin
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@course_board = @course.course_board
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@course_board.children.where("position > #{@board.position}").update_all("position = position - 1")
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@board.messages.update_all(board_id: @course_board.id)
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@board.destroy
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rescue Exception => e
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uid_logger_error(e.message)
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tip_exception("子目录删除失败")
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raise ActiveRecord::Rollback
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end
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end
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end
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def update
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@board.update_attributes(board_params)
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normal_status(0, "更新成功")
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end
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private
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def set_board
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@board = Board.find_by!(id: params[:id])
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@course = @board.course
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end
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def board_params
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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("已存在同名讨论区") if @course.boards.exists?(name: params[:name].strip)
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params.require(:board).permit(:name)
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end
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end
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