<?php
/**
 * InvoiceItemValidator.class.php
 *
 * This file contains the definition of the InvoiceItemValidator class.
 *
 * @package SolidWorks
 * @author John Diamond <hide@address.com>
 * @copyright John Diamond <hide@address.com>
 * @license http://www.opensource.org/licenses/gpl-license.php GNU Public License
 */

/**
 * InvoiceItemValidator
 *
 * @package SolidWorks
 * @author John Diamond <hide@address.com>
 */
class InvoiceItemValidator extends FieldValidator {
	/**
	 * @var integer Invoice ID
	 */
	protected $invoiceID = null;

	/**
	 * Set Invoice ID
	 *
	 * @param integer $id Invoice ID
	 */
	public function setInvoiceID( $id ) {
		$this->invoiceID = $id;
	}

	/**
	 * Validate an InvoiceItem ID
	 *
	 * Verifies that the invoice exists.
	 *
	 * @param string $data Field data
	 * @return InvoiceItemDBO InvoiceItem DBO for this InvoiceItem ID
	 * @throws RecordNotFoundException
	 */
	public function validate( $data ) {
		$data = parent::validate( $data );

		try {
			$itemDBO = load_InvoiceItemDBO( intval( $data ) );
		}
		catch ( DBNoRowsFoundException $e ) {
			throw new RecordNotFoundException( "InvoiceItem" );
		}

		// Verify that this item belongs to the invocie specified
		if ( isset( $this->invoiceID ) && $itemDBO->getInvoiceID() != $this->invoiceID ) {
			throw new FieldException( "Invoice/Invoice Item mismatch" );
		}

		return $itemDBO;
	}
}
?>