POS-Server/app/controllers/transfers_controller.rb

class TransfersController < ApplicationController
  ##--- Abilities
  load_and_authorize_resource

  ##--- Breadcrum_rails
  add_breadcrumb I18n.t("breadcrumbs." + controller_name), :transfers_path
  add_breadcrumb "Nuevo traspaso", :new_transfer_path, only: :new
  add_breadcrumb "Detalle del traspaso" , :transfer_path, only: :show
  add_breadcrumb "Editar traspaso" , :edit_transfer_path, only: :edit
  add_breadcrumb "Verificar traspaso" , :verify_transfer_path, only: :verify_transfer

  before_action :set_transfer, only: [:show, :edit, :update, :destroy]
  before_action :get_filters, only: [:index, :show, :edit, :new]

  # GET /transfers
  # GET /transfers.json
  def index
    if current_user.usertype == 'A'
      @transfers = Transfer.all.includes(:user, :received_by).order('id DESC, transfer_date DESC')
    elsif current_user.usertype == 'G' || current_user.usertype == 'C'
      @received = Transfer.includes(:user, :received_by).where(:destiny_id => current_user.pointsale_id).order('id DESC, transfer_date DESC')
      @sent = Transfer.includes(:user, :received_by).where(:origin_id => current_user.pointsale_id).order('id DESC, transfer_date DESC')
    elsif current_user.usertype == 'S'
      @received = Transfer.includes(:user, :received_by).where(:destiny_id => current_user.warehouse_id).order('id DESC, transfer_date DESC')
      @sent = Transfer.includes(:user, :received_by).where(:origin_id => current_user.warehouse_id).order('id DESC, transfer_date DESC')
    end
  end

  # GET /transfers/1
  # GET /transfers/1.json
  def show
  end

  # GET /transfers/new
  def new
    @transfer = Transfer.new
    @destiny_pointsales = Pointsale.activos.ignore_current(current_user.pointsale_id)
    @pre_transfers = PreTransfer.where(:user_id => current_user.id)
    @disable_origin = false
    @disable_destiny = false
    @disabled_button = true
    if @pre_transfers.size > 0
      @origin_id =  @pre_transfers[0].origin_is_pointsale == 1 ? "P-#{@pre_transfers[0].origin_id}" : "W-#{@pre_transfers[0].origin_id}"
      @destiny_id =  @pre_transfers[0].destiny_is_pointsale == 1 ? "P-#{@pre_transfers[0].destiny_id}" : "W-#{@pre_transfers[0].destiny_id}"
      @disable_origin = true
      @disable_destiny = true
      @disabled_button = false
    end
    if current_user.usertype == "G"
      @origin_id = "P-#{current_user.pointsale_id}"
      @disable_origin = true
    elsif current_user.usertype == "S"
      @origin_id = "W-#{current_user.warehouse_id}"
      @disable_origin = true
    end
  end

  # GET /transfers/1/edit
  def edit
  end

  # POST /transfers
  # POST /transfers.json
  def create
    @transfer = Transfer.new(transfer_params)
    pre_transfers = PreTransfer.where(:user_id => current_user.id)
    @transfer.user_id = current_user.id
    @transfer.status = :pending
    @transfer.origin_is_pointsale = params[:transfer][:origin_id].first == 'P' ? 1 : 0
    @transfer.destiny_is_pointsale = params[:transfer][:destiny_id].first == 'P' ? 1 : 0
    @transfer.origin_id = params[:transfer][:origin_id][2, params[:transfer][:origin_id].length]
    @transfer.destiny_id = params[:transfer][:destiny_id][2, params[:transfer][:destiny_id].length]

    respond_to do |format|
      @transfer.audit_comment = "Traspaso de #{@transfer.origin_is_pointsale? ? Pointsale.find(@transfer.origin_id).name : Warehouse.find(@transfer.origin_id).name} a #{@transfer.destiny_is_pointsale? ? Pointsale.find(@transfer.destiny_id).name : Warehouse.find(@transfer.destiny_id).name} creado."
      if @transfer.save
        pre_transfers.each do |pre|
          detail = TransferDetail.new
          detail.transfer_id = @transfer.id
          detail.product_id = pre.product_id
          detail.quantity = pre.quantity
          detail.adjustment = pre.quantity
          detail.status = "pending"
          @transfer.transfer_details << detail
          pre.destroy
        end

        message = "Traspaso creado al " + (@transfer.destiny_is_pointsale == 1 ? "punto de venta #{Pointsale.find(@transfer.destiny_id).name}" : "almacén #{Warehouse.find(@transfer.destiny_id).name}")
        format.html { redirect_to transfers_path, success: message }
        format.json { render :show, status: :created, location: @transfer }
      else
        format.html { render :new }
        format.json { render json: @transfer.errors, status: :unprocessable_entity }
      end
    end
  end

  # PATCH/PUT /transfers/1
  # PATCH/PUT /transfers/1.json
  def update
    respond_to do |format|
      if @transfer.update(transfer_params)
        format.html { redirect_to @transfer, notice: 'Transfer was successfully updated.' }
        format.json { render :show, status: :ok, location: @transfer }
      else
        format.html { render :edit }
        format.json { render json: @transfer.errors, status: :unprocessable_entity }
      end
    end
  end

  # DELETE /transfers/1
  # DELETE /transfers/1.json
  def destroy
    @transfer.audit_comment = "Traspaso de #{@transfer.origin_is_pointsale? ? Pointsale.find(@transfer.origin_id).name : Warehouse.find(@transfer.origin_id).name} a #{@transfer.destiny_is_pointsale? ? Pointsale.find(@transfer.destiny_id).name : Warehouse.find(@transfer.destiny_id).name} eliminado."
    @transfer.destroy
    respond_to do |format|
      format.html { redirect_to transfers_url, notice: 'Transfer was successfully destroyed.' }
      format.json { head :no_content }
    end
  end

  def verify_transfer
    @transfer = Transfer.find(params[:transfer_id])
  end

  # para guardar la cantidad recibida por producto en el traspaso
  def detail_adjustment
    respond_to do |format|
      @transfer = Transfer.find(params[:transfer_id])
      @transfer.transfer_details.each do |detail|
        if detail.id == params[:detail_id].to_i
          detail.adjustment = params[:transfer_details][:adjustment].to_i
          if detail.adjustment > detail.quantity
            detail.has_looses = 0
            detail.has_surplus = 1
          elsif detail.adjustment < detail.quantity
            detail.has_looses = 1
            detail.has_surplus = 0
          end

          if detail.save
            format.json { head :ok }
          end
        end
      end
    end
  end

  def accept_transfer
    respond_to do |format|
      @transfer = Transfer.find(params[:transfer_id])
      @transfer.observations = params[:transfer][:observations]
      @transfer.received_by_id = current_user.id
      @transfer.status = :received
      @transfer.reception_date = Date.today
      @transfer.audit_comment = "Se dio entrada a traspaso de #{@transfer.origin_is_pointsale? ? Pointsale.find(@transfer.origin_id).name : Warehouse.find(@transfer.origin_id).name} a #{@transfer.destiny_is_pointsale? ? Pointsale.find(@transfer.destiny_id).name : Warehouse.find(@transfer.destiny_id).name}"
      @transfer.save
      @transfer.transfer_details.each do |detail|
        if @transfer.destiny_is_pointsale == 1
          stockProduct = AvailableProduct.find_by(:product_id => detail.product_id, :pointsale_id => @transfer.destiny_id)
          if stockProduct.present?
            stockProduct.stock = 0 if stockProduct.stock.blank?
            stockProduct.stock += detail.adjustment
            stockProduct.save
          else
            stockProduct = AvailableProduct.new
            stockProduct.product_id = detail.product_id
            stockProduct.pointsale_id = @transfer.destiny_id
            stockProduct.stock = detail.adjustment
            stockProduct.save
          end
        else
          # actualizar stock del producto cuando es para almacen
          stockProduct = WarehouseStock.find_by(:product_id => detail.product_id, :warehouse_id => @transfer.destiny_id)
          if stockProduct.present?
            stockProduct.stock = 0 if stockProduct.stock.blank?
            stockProduct.stock += detail.adjustment
            stockProduct.save
          else
            stockProduct = WarehouseStock.new
            stockProduct.product_id = detail.product_id
            stockProduct.warehouse_id = @transfer.destiny_id
            stockProduct.stock = detail.adjustment
            stockProduct.save
          end
        end

        # guardar en bitacora de inventario
        move = InventoriesMove.new
        move.product_id = detail.product_id
        move.quantity = detail.adjustment
        move.transfer_id = @transfer.id
        move.move_type = "incoming"
        move.reason = "transfer"
        move.save
      end
      format.js { flash[:success] = "Traspaso realizado correctamente." }
    end
  end

  def print_receipt
    respond_to do |format|
      @transfer = Transfer.find(params[:transfer_id])
      origin = @transfer.origin_is_pointsale == 1 ? Pointsale.find(@transfer.origin_id).name : Warehouse.find(@transfer.origin_id).name
      destiny = @transfer.destiny_is_pointsale == 1 ? Pointsale.find(@transfer.destiny_id).name : Warehouse.find(@transfer.destiny_id).name
      with_looses = @transfer.transfer_details.where(:has_looses => 1).count
      with_surplus =  @transfer.transfer_details.where(:has_surplus => 1).count
      if with_looses > 0 && with_surplus == 0
        reception_status = 'CON PERDIDAS'
      elsif with_surplus > 0 && with_looses == 0
        reception_status = 'CON EXCEDENTE'
      elsif with_surplus > 0 && with_looses > 0
        reception_status = 'CON INCONSISTENCIAS'
      else
        reception_status = 'TRASPASO COMPLETO'
      end

      format.pdf do
        render pdf: "traspaso_#{@transfer.id}",
          template: "transfers/receipt.pdf.erb",
          layout: 'receipt.html.erb',
          locals: { :transfer => @transfer, :reception_status => reception_status, :origin => origin, :destiny => destiny },
          show_as_html: params.key?('debug'),
          page_width: '80mm',
          page_height: '300mm'
      end
    end
  end

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

    def get_filters
      if params[:current_page].blank?
        @current_page = 1
      else
        @current_page = params[:current_page]
      end
      @filter = params[:filter]
    end

    # Never trust parameters from the scary internet, only allow the white list through.
    def transfer_params
      params.require(:transfer).permit(:origin_id, :destiny_id, :transfer_date, :user_id, :status, :received_by_id, :observations, :transfer_details_attributes => [:transfer_id, :product_id, :quantity, :status, :adjustment, :reception_date])

    end
end