socialforge/app/controllers/contest_members_controller.rb

#encoding=utf-8
class ContestMembersController < ApplicationController
  helper :users
  helper :contest_members
  helper :contests

  before_filter :find_contest_member, :only => [:update, :destroy]

  def create
    @contest = Contest.find(params[:contest])
    if params[:membership] && @contest
      @create_member_error_messages = "角色不能留空" unless params[:membership][:role_ids]
      @create_member_error_messages = "用户不能留空" unless params[:membership][:user_ids]
      members = []

      if params[:membership][:user_ids] && params[:membership][:role_ids]
        attrs = params[:membership].dup
        user_ids = attrs.delete(:user_ids)
        role_ids = params[:membership][:role_ids]
        user_ids.each do |user_id|
          member = ContestMember.new(:user_id => user_id)
          members << member

          contest_member_roles = member.contest_member_roles
          if role_ids.include?('14') && role_ids.include?('13')
            contest_member_roles << ContestMemberRole.new(:role_id => 13)
            contest_member_roles << ContestMemberRole.new(:role_id => 14, :is_current => 0)
          else
            contest_member_roles << ContestMemberRole.new(:role_id => role_ids[0].to_i)
          end

          if role_ids.include?('15')
            ContestantForContest.create(:student_id => user_id, :contest_id => @contest.id)
          end

          #给新成员和老师发送加入课程的消息，发送者id放在CourseMessage的course_message_id字段中
          #course_message_type设置为JoinCourse
          #status = 0 表示给学生发，status = 1表示给老师发
          course_join = ContestMessage.new(:user_id =>user_id, :contest_message_id=>User.current.id,:contest_id => @contest.id,:contest_message_type=>"JoinContest", :content => role_ids, :viewed => false, :status => 0)
          course_join.save
          ContestMessage.create(:user_id => User.current.id, :contest_message_id => user_id, :contest_message_id => @contest.id, :contest_message_type => "JoinContest",:content => role_ids, :viewed => false, :status => 1)
        end
      end
      @contest.contest_members << members

      members = @contest.member_principals.includes(:roles, :principal).all.sort
    end
    @roles = Role.where("id in (13, 14, 15)")
    respond_to do |format|
      format.html { redirect_to_settings_in_courses }
      format.js { @members = members;}
      format.api {
        @member = members.first
        if @member.valid?
          render :action => 'show', :status => :created, :location => membership_url(@member)
        else
          render_validation_errors(@member)
        end
      }
    end
  end

  def show

  end

  def contest_member_autocomplete
    @contest = Contest.find(params[:contest])
    @flag = params[:flag] || false
    respond_to do |format|
      format.js
    end
  end

  def update
    if params[:membership]
      new_role_ids = params[:membership][:role_ids]
      if new_role_ids.size != 0 && new_role_ids != @contest_member.contest_member_roles.map{|ro| ro.role_id.to_s}
        destroy_member_roles = @contest_member.contest_member_roles
        if destroy_member_roles.any?
          destroy_member_roles.each(&:destroy)
        end
        contest_member_roles = @contest_member.contest_member_roles
        if new_role_ids.include?('14') && new_role_ids.include?('13')
          contest_member_roles << ContestMemberRole.new(:role_id => 13)
          contest_member_roles << ContestMemberRole.new(:role_id => 14, :is_current => 0)
        else
          contest_member_roles << ContestMemberRole.new(:role_id => new_role_ids[0].to_i)
        end
        joined = ContestantForContest.where('student_id = ? and contest_id = ?', @contest_member.user_id, @contest.id)
        joined.each do |join|
          join.destroy
        end

        if new_role_ids.include?('15')
          ContestantForContest.create(:student_id => @contest_member.user_id, :contest_id => @contest.id)
        end
      end

      @contest_member.save
      @members = @contest.member_principals.includes(:roles, :principal).all.sort
      @roles = Role.where("id in (13, 14, 15)")
      @member = @contest.contest_members.new
    end

    saved = @member.save
    respond_to do |format|
      format.html { redirect_to settings_contest_path(@contest) }
      format.js
      format.api {
        if saved
          render_api_ok
        else
          render_validation_errors(@member)
        end
      }
    end
  end

  def destroy
    if request.delete? && @contest_member.deletable?
      @contest_member.destroy

      joined = ContestantForContest.where('student_id = ? and contest_id = ?', @contest_member.user_id, @contest.id)
      joined.each do |join|
        join.destroy
      end
      @roles = Role.where("id in (13, 14, 15)")
      @members = @contest.member_principals.includes(:roles, :principal).all.sort
      #移出课程发送消息
      ContestMessage.create(:user_id => @contest_member.user_id, :contest_id => @contest.id, :contest_message_type => "RemoveFromContest", :viewed => false, :contest_message_id => User.current.id)
    end
    respond_to do |format|
      format.html { redirect_to settings_contest_path(@contest) }
      format.js
      format.api {
        if @contest_member.destroyed?
          render_api_ok
        else
          head :unprocessable_entity
        end
      }
    end
  end

  private
  def find_contest_member
    @contest_member = ContestMember.find params[:id]
    @contest = @contest_member.contest
  end
end