announcement-test/app/controllers/admin/announcements_controller.rb

# encoding: utf-8
class Admin::AnnouncementsController < OrbitAdminController
  before_action ->(module_app = @app_title) { set_variables module_app }
  before_action :set_bulletin, only: [:edit, :destroy]

  def initialize
    super
    @app_title = "announcement"
  end

  def index
    @tags = @module_app.tags
    @categories = @module_app.categories.enabled

    @filter_fields = {
      :status=>[{:title=>"is_top",:id=>"is_top"},{:title=>"is_hot",:id=>"is_hot"},{:title=>"is_hidden",:id=>"is_hidden"}], 
      :category=>@categories.map{|c| {:title=>c.title, :id=>c.id}}, 
      :tags=>@tags.map{|tag| {:title=>tag.name, :id=>tag.id}} 
    }
  end

  def index_table
    status = params[:filters][:status].blank? ? [] : params[:filters][:status] rescue []
    categories = params[:filters][:category].blank? ? [] : params[:filters][:category] rescue []
    tags = params[:filters][:tags].blank? ? [] : params[:filters][:tags] rescue []

    @bulletins = Kaminari.paginate_array(
                              Bulletin.order_by(sort).with_categories(categories).with_tags(tags).with_status(status)
                          ).page(params[:page]).per(10)
    
    @table_fields = [:status, :category, :title, :start_date, :end_date, :last_modified]
    render :layout => false
  end

  def sort
    unless params[:sort].blank?
      case params[:sort]
        when "status"
          @sort = [[:is_top, params[:order]], 
                  [:is_hot, params[:order]], 
                  [:is_hidden,params[:order]]]
        when "category"
          @sort = {:category_id=>params[:order]}
        when "title"
          @sort = {:title=>params[:order]}
        when "start_date"
          @sort = {:postdate=>params[:order]}
        when "end_date"
          @sort = {:deadline=>params[:order]}
        when "last_modified"
          @sort = {:update_user_id=>params[:order]}
      end
    else
      @sort = {:created_at=>'desc'}
    end
    @sort
  end

  def new
    @tags =@module_app.tags
    @categories = @module_app.categories.enabled
    @statuses = []
    @bulletin = Bulletin.new
  end

  def create
    bulletin = Bulletin.new(bulletin_params)
    bulletin.create_user_id = current_user.id
    bulletin.update_user_id = current_user.id
    bulletin.save
    redirect_to "/admin/announcements"
  end

  def edit
    @tags =@module_app.tags
    @categories = @module_app.categories.enabled
    @statuses = []
  end

  def update
    uid = params[:id].split('-').last
    bulletin = Bulletin.find_by(:uid=>uid)
    bulletin_params[:tags] = bulletin_params[:tags].blank? ? [] : bulletin_params[:tags]
    bulletin.update_attributes(bulletin_params)
    bulletin.save
    redirect_to "/admin/announcements"
  end

  def destroy
    @bulletin.destroy
    redirect_to "/admin/announcements"
  end

  def delete
    if params[:ids]
      bulletins = Bulletin.any_in(:uid => params[:ids]).destroy_all
    end
    redirect_to "/admin/announcements"
  end

  private

  def set_bulletin
    @bulletin = Bulletin.find(params[:id])
  end

  def bulletin_params
    params.require(:bulletin).permit!
  end
end