supply_create_validator.rb

class Supply::SupplyCreateValidator < BaseValidator
    MODEL = Supply

    attr_reader :supply, :company, :stock_group
    
    validates :supply, presence: true
  
    #validate :validate_group_zprovider
    #validate :check_invoice 
    validate :validate_date 
  
    def initialize(supply, company)
      @supply = supply
      @company = company
      __setobj__(@supply)
    end
    
    protected

    def validate_date
      errors.add(:date, :blank) if @supply.date.blank?
      false
    end
  
    def validate_group_provider
      return unless @company.group.providers.where(id:  @supply.provider_id).exists?
      errors.add(:provider, :not_exist) 
      false
    end
    
    def check_invoice
      return unless @company.supplies.where("invoice = ?", @supply.invoice).any?
      errors.add(:invoice, :in_use, code: @supply.invoice)
      false
    end

end