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

// Include the Email class
require_once BASE_PATH . "solidworks/Email.class.php";

// Include the parent class
require_once BASE_PATH . "include/SolidStatePage.class.php";

/**
 * EmailInvoicePage
 *
 * This page takes the ID of the invoice to be emailed.  The Invoice and content
 * of the invoice is read from a configuration file and the appropriate data is
 * filled in with the customer's data.  The user is allowed to edit the raw content
 * of the email, the invoice, and the customers email before the invoice is sent.
 *
 * @package Pages
 * @auther John Diamond <hide@address.com>
 */
class EmailInvoicePage extends SolidStatePage {
	/**
	 * Initializes the Page
	 *
	 * If an invoice ID appears in the URL, then init() attempts to load that Invoice,
	 * otherwise, it uses an invoice already in the session.
	 */
	function init() {
		parent::init();

		// Set URL Field values
		$this->setURLField( "invoice", $this->get['invoice']->getID() );

		// Set this page's Nav Vars
		$this->setNavVar( "invoice_id", $this->get['invoice']->getID() );

		// Retrieve the Account DBO for this invoice
		$account_dbo = $this->get['invoice']->getAccountDBO();

		// Replace tokens in subject field
		$subject = $this->conf['invoice_subject'];
		$subject = str_replace( "{company_name}", $this->conf['company']['name'], $subject );
		$subject = str_replace( "{period_begin_date}",
				date( "m/d/y",
				DBConnection::datetime_to_unix( $this->get['invoice']->getPeriodBegin() ) ),
				$subject );
		$subject = str_replace( "{period_end_date}",
				date( "m/d/y",
				DBConnection::datetime_to_unix( $this->get['invoice']->getPeriodEnd() ) ),
				$subject );

		$this->smarty->assign( "email", $account_dbo->getContactEmail() );
		$this->smarty->assign( "subject", $subject );
		$this->smarty->assign( "body",
				$this->get['invoice']->text( $this->conf['invoice_text'] ) );
	}

	/**
	 * Handles actions for this Page
	 *
	 * Actions handled by this Page:
	 *   email_invoice (Form)
	 *
	 * @param string $action_name Action
	 */
	function action( $action_name ) {
		switch ( $action_name ) {
			case "email_invoice":
				if ( isset( $this->post['continue'] ) ) {
					$this->send_invoice();
				}
				elseif ( isset( $this->post['cancel'] ) ) {
					$this->cancel();
				}
				break;

			default:
				// No matching action, refer to base class
				parent::action( $action_name );
		}
	}

	/**
	 * Cancel Form
	 *
	 * Return the user to the view invoice page
	 */
	function cancel() {
		$this->gotoPage( "billing_view_invoice",
				null,
				"invoice=" . $this->get['invoice']->getID() );
	}

	/**
	 * Send Invoice Email
	 *
	 * Email the invoice and return to the view_invoice page
	 */
	function send_invoice() {
		// Construct an Email
		$email = new Email();
		$email->setFrom( $this->conf['company']['email'],
				$this->conf['company']['name'] );
		$email->addRecipient( $this->post['email'] );
		$email->setSubject( $this->post['subject'] );
		$email->setBody( $this->post['invoice'] );

		// Send the email
		if( !$email->send() ) {
			// Error delivering invoice
			throw new SWUserException( "[INVOICE_EMAIL_FAILED]" );
		}

		// Return to view_invoice with a sucess message
		$this->setMessage( array( "type" => "[INVOICE_SENT]" ) );
		$this->gotoPage( "billing_view_invoice",
				null,
				"invoice=" . $this->get['invoice']->getID() );
	}
}
?>