invoice_items_template.php

<?php
public static function generateInvoicePDF($row)
{
	self::loadLanguage();
	$db       = JFactory::getDbo();
	$query    = $db->getQuery(true);
	$config   = self::getConfig();
	$sitename = JFactory::getConfig()->get("sitename");
	$query->select('*')
		->from('#__eb_events')
		->where('id = ' . (int) $row->event_id);
	$db->setQuery($query);
	$rowEvent = $db->loadObject();
	require_once JPATH_ROOT . "/components/com_eventbooking/tcpdf/tcpdf.php";
	require_once JPATH_ROOT . "/components/com_eventbooking/tcpdf/config/lang/eng.php";
	$pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
	$pdf->SetCreator(PDF_CREATOR);
	$pdf->SetAuthor($sitename);
	$pdf->SetTitle('Invoice');
	$pdf->SetSubject('Invoice');
	$pdf->SetKeywords('Invoice');
	$pdf->setHeaderFont(Array(PDF_FONT_NAME_MAIN, '', PDF_FONT_SIZE_MAIN));
	$pdf->setFooterFont(Array(PDF_FONT_NAME_DATA, '', PDF_FONT_SIZE_DATA));
	$pdf->setPrintHeader(false);
	$pdf->setPrintFooter(false);
	$pdf->SetMargins(PDF_MARGIN_LEFT, 0, PDF_MARGIN_RIGHT);
	$pdf->SetHeaderMargin(PDF_MARGIN_HEADER);
	$pdf->SetFooterMargin(PDF_MARGIN_FOOTER);
	//set auto page breaks
	$pdf->SetAutoPageBreak(true, PDF_MARGIN_BOTTOM);
	//set image scale factor
	$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
	$pdf->SetFont('times', '', 8);
	$pdf->AddPage();
	if ($config->multiple_booking)
	{
		$invoiceOutput = $config->invoice_format_cart;
	}
	else
	{
		$invoiceOutput = $config->invoice_format;
	}

	if ($config->multiple_booking)
	{
		$rowFields = self::getFormFields($row->id, 4);
	}
	elseif ($row->is_group_billing)
	{
		$rowFields = self::getFormFields($row->event_id, 1);
	}
	else
	{
		$rowFields = self::getFormFields($row->event_id, 0);
	}

	$form = new RADForm($rowFields);
	$data = self::getRegistrantData($row, $rowFields);
	$form->bind($data);
	$form->buildFieldsDependency();

	$replaces                   = self::buildTags($row, $form, $rowEvent, $config);
	$replaces['invoice_number'] = self::formatInvoiceNumber($row->invoice_number, $config);
	$replaces['invoice_date']   = date($config->date_format);

	if ($row->published == 0)
	{
		$invoiceStatus = JText::_('EB_INVOICE_STATUS_PENDING');
	}
	elseif ($row->published == 1)
	{
		$invoiceStatus = JText::_('EB_INVOICE_STATUS_PAID');
	}
	else
	{
		$invoiceStatus = JText::_('EB_INVOICE_STATUS_UNKNOWN');
	}
	$replaces['INVOICE_STATUS'] = $invoiceStatus;
	unset($replaces['total_amount']);
	unset($replaces['discount_amount']);
	unset($replaces['tax_amount']);
	if ($config->multiple_booking)
	{
		$sql = 'SELECT a.title, a.event_date, a.individual_price, b.* FROM #__eb_events AS a INNER JOIN #__eb_registrants AS b ' . ' ON a.id = b.event_id ' .
			' WHERE b.id=' . $row->id . ' OR b.cart_id=' . $row->id;
		$db->setQuery($sql);
		$rowEvents                   = $db->loadObjectList();
		$subTotal                    = $replaces['amt_total_amount'];
		$taxAmount                   = $replaces['amt_tax_amount'];
		$discountAmount              = $replaces['amt_discount_amount'];
		$total                       = $replaces['amt_amount'];
		
		$regex = '#<tr id="template-row">(.*?)</tr>#s';
		$invoiceOutput = preg_replace_callback($regex, function ($match) use ($rowEvents, $config)
		{
			$rowTemplate = '
				<tr id="template-row">
					' . $match[1] . '
				</tr>
			';
			$string = '';
			$rowIndex = 0;
			foreach ($rowEvents as $rowEvent)
			{
				$rowItem = $rowTemplate;
				$rowItem = str_replace('&nbsp;', ++$rowIndex, $rowItem);
				$rowItem = str_replace('[ITEM_NAME]', $rowEvent->title, $rowItem);
				$rowItem = str_replace('[NUMBER_REGISTRANTS]', $rowEvent->number_registrants, $rowItem);
				$rowItem = str_replace('[ITEM_AMOUNT]', EventbookingHelper::formatAmount($rowEvent->individual_price, $config), $rowItem);
				$rowItem = str_replace('[ITEM_SUB_TOTAL]', EventbookingHelper::formatAmount($rowEvent->total_amount, $config), $rowItem);
				$string .= $rowItem;
			}

			return $string;

		}, $invoiceOutput);
		
		/*$replaces['EVENTS_LIST']     = EventbookingHelperHtml::loadCommonLayout(
			JPATH_ROOT . '/components/com_eventbooking/emailtemplates/invoice_items.php',
			array(
				'rowEvents'      => $rowEvents,
				'subTotal'       => $subTotal,
				'taxAmount'      => $taxAmount,
				'discountAmount' => $discountAmount,
				'total'          => $total,
				'config'         => $config));
		*/		
		$replaces['SUB_TOTAL']       = EventbookingHelper::formatCurrency($subTotal, $config);
		$replaces['DISCOUNT_AMOUNT'] = EventbookingHelper::formatCurrency($discountAmount, $config);
		$replaces['TAX_AMOUNT']      = EventbookingHelper::formatCurrency($taxAmount, $config);
		$replaces['TOTAL_AMOUNT']    = EventbookingHelper::formatCurrency($total, $config);
	}
	else
	{
		$replaces['ITEM_QUANTITY']   = 1;
		$replaces['ITEM_AMOUNT']     = $replaces['ITEM_SUB_TOTAL'] = self::formatCurrency($row->total_amount, $config);
		$replaces['DISCOUNT_AMOUNT'] = self::formatCurrency($row->discount_amount, $config);
		$replaces['SUB_TOTAL']       = self::formatCurrency($row->total_amount - $row->discount_amount, $config);
		$replaces['TAX_AMOUNT']      = self::formatCurrency($row->tax_amount, $config);
		$replaces['TOTAL_AMOUNT']    = self::formatCurrency($row->total_amount - $row->discount_amount + $row->tax_amount, $config);
		$itemName                    = JText::_('EB_EVENT_REGISTRATION');
		$itemName                    = str_replace('[EVENT_TITLE]', $rowEvent->title, $itemName);
		$replaces['ITEM_NAME']       = $itemName;
	}
	foreach ($replaces as $key => $value)
	{
		$key           = strtoupper($key);
		$invoiceOutput = str_replace("[$key]", $value, $invoiceOutput);
	}

	$invoiceOutput = self::convertImgTags($invoiceOutput);
	$v             = $pdf->writeHTML($invoiceOutput, true, false, false, false, '');
	//Filename
	$filePath = JPATH_ROOT . '/media/com_eventbooking/invoices/' . $replaces['invoice_number'] . '.pdf';
	$pdf->Output($filePath, 'F');
}