sx-fc/app/controllers/settings/menus_controller.rb

class Settings::MenusController < ApplicationController
  load_and_authorize_resource except: [:create]
  before_action :set_settings_menu, only: [:show, :edit, :update, :destroy]

  # GET /settings/menus
  # GET /settings/menus.json
  def index

    @settings_menus = Menu.all.page(params[:page]).per(10)
    respond_to do |format|
      format.html
      format.xlsx
    end
  end

  # GET /settings/menus/1
  # GET /settings/menus/1.json
  def show
    @settings_menu_categories = @settings_menu.menu_categories.page(params[:page]).per(10)
  end

  # GET /settings/menus/new
  def new
    @settings_menu = Menu.new
  end

  # GET /settings/menus/1/edit
  def edit
  end

  # POST /settings/menus
  # POST /settings/menus.json
  def create

    @settings_menu = Menu.new(settings_menu_params)
    @settings_menu.created_by = current_login_employee.name
    respond_to do |format|
      if @settings_menu.save
        format.html { redirect_to settings_menus_path, notice: 'Menu was successfully created.' }
        format.json { render :show, status: :created, location: @settings_menu }
      else
        format.html { render :new }
        format.json { render json: @settings_menu.errors, status: :unprocessable_entity }
      end
    end
  end

  # PATCH/PUT /settings/menus/1
  # PATCH/PUT /settings/menus/1.json
  def update
    respond_to do |format|
      if @settings_menu.update(settings_menu_params)
        format.html { redirect_to settings_menus_path, notice: 'Menu was successfully updated.' }
        format.json { render :show, status: :ok, location: @settings_menu }
      else
        format.html { render :edit }
        format.json { render json: @settings_menu.errors, status: :unprocessable_entity }
      end
    end
  end

  # DELETE /settings/menus/1
  # DELETE /settings/menus/1.json
  def destroy
    # @settings_menu.destroy
    abc = Menu.destroyMenu(@settings_menu)

    # @settings_menu_item_set.destroy
    flash[:notice] = 'Menu was successfully destroyed.'
    render :json => {:status=> "Success", :url => settings_menus_path }.to_json
    # respond_to do |format|
    #   format.html { redirect_to settings_menus_path, notice: 'Menu was successfully destroyed.' }
    #   format.json { head :no_content }
    # end
  end

  def export

    @settings_menus = Menu.all.page(params[:page]).per(10)
    menu = Menu.find(params[:id])

    p = Axlsx::Package.new
    wb = p.workbook
    wb.styles do |s|
      time_format = wb.styles.add_style :format_code => 'hh:mm:ss'
      title = s.add_style :fg_color => "004586",
                          :b => true,
                          :sz => 12
      wrap_text = s.add_style :sz => 11,
                              :alignment =>  { :horizontal => :left,:vertical => :center ,
                              :wrap_text => true}
      header_text = s.add_style :fg_color=> "090909",
                              :b => true,
                              :sz => 12,
                              :border => { :style => :thin, :color => "00" },
                              :alignment => { :horizontal => :left,
                                              :vertical => :center ,
                                              :header_text => true}

      # Menu Sheet
      wb.add_worksheet(name: menu.name,is_ordering: menu.is_ordering) do |sheet|
        sheet.add_row ["Name",menu.name,"is_ordering",menu.is_ordering], :style=>title
        sheet.add_row

        sheet.add_row ["Category Code", "Category Name", "Item Code", "Item Name", "Account", "Item AltName", "Taxable", "Attributes", "Options", "Instance Code", "Instance Name", "Instance Attribute", "Price", "Is Default", "Image Path"], :style=>header_text
        menu.menu_categories.each do |mc|
          mc.menu_items.each do |mi|
            attributes = ""
            i=0
            if mi.item_attributes.length > 0
              mi.item_attributes.each do |mia|
                attribute = MenuItemAttribute.find(mia)
                if i == mi.item_attributes.length - 1
                  attributes = attributes + attribute.name
                else
                  attributes = attributes + attribute.name + ","
                end
                i = i + 1
              end
            end
            image_path = ""
            if mi.image_path
              image_path = mi.image_path.to_s.remove("/image/menu_images/")
            end
            options = ""
            i=0
            if mi.item_options.length > 0
              mi.item_options.each do |mio|
                option = MenuItemOption.find(mio)
                if i == mi.item_options.length - 1
                  options = options + option.name
                else
                  options = options + option.name + ","
                end
                i = i + 1
              end
            end

            mi.menu_item_instances.each do |mii|
              attribute = ""
              if mii.item_attributes.length > 0
                attribute = MenuItemAttribute.find(mii.item_attributes[0]).name
              end
              sheet.add_row [ mc.code, mc.name, mi.item_code, mi.name, mi.account.title, mi.alt_name, mi.taxable, attributes, options, mii.item_instance_code, mii.item_instance_name, attribute, mii.price, mii.is_default, image_path], :style=>wrap_text
            end
          end
        end
      end
    end

    directory_name = "public/menus"
    Dir.mkdir(directory_name) unless File.exists?(directory_name)
    file_path = directory_name +"/" + menu.name + ".xlsx"
    p.serialize(file_path)
    render :json => { status: true, path: file_path }
  end

  def import
    if params[:file]
      status = Menu.import(params[:file], current_user.name)
      redirect_to settings_menus_path, notice: status
    end
  end

  private
    # Use callbacks to share common setup or constraints between actions.
    def set_settings_menu
      @settings_menu = Menu.find(params[:id])
    end

    # Never trust parameters from the scary internet, only allow the white list through.
    def settings_menu_params
        params.require(:menu).permit(:name, :is_active, :is_ordering, :valid_days, :valid_time_to, :valid_time_from)
    end
end