$template"; } $processedHtml = self::renderTemplate($template, $invoiceData); // Debugging: Save processed HTML to file for review // file_put_contents('debug_invoice.html', $processedHtml); // Generate PDF $mpdf = new Mpdf([ 'mode' => 'utf-8', 'format' => 'A4', 'margin_left' => 10, 'margin_right' => 10, 'margin_top' => 10, 'margin_bottom' => 10, 'default_font' => 'helvetica', 'orientation' => 'P', ]); $mpdf->SetDisplayMode('fullpage'); $mpdf->SetProtection(['print']); $mpdf->shrink_tables_to_fit = 1; $mpdf->SetWatermarkText(strtoupper($invoiceData['status'] ?? 'UNPAID'), 0.15); $mpdf->showWatermarkText = true; $mpdf->WriteHTML($processedHtml); // Save PDF $filename = "invoice_{$invoiceData['id']}.pdf"; $outputPath = "system/uploads/invoices/{$filename}"; $mpdf->Output($outputPath, 'F'); if (!file_exists($outputPath)) { throw new Exception("Failed to save PDF file"); } return $filename; } catch (\Exception $e) { _log("Invoice generation failed: " . $e->getMessage()); sendTelegram("Invoice generation failed: " . $e->getMessage()); return false; } } private static function renderTemplate($template, $invoiceData) { return preg_replace_callback('/\[\[(\w+)\]\]/', function ($matches) use ($invoiceData) { $key = $matches[1]; if (!isset($invoiceData[$key])) { _log("Missing invoice key: $key"); return ''; } if (in_array($key, ['created_at', 'due_date'])) { return date('F j, Y', strtotime($invoiceData[$key])); } if (in_array($key, ['amount', 'total', 'subtotal', 'tax'])) { return $invoiceData['currency_code'] . number_format((float) $invoiceData[$key], 2); } if ($key === 'bill_rows') { return html_entity_decode($invoiceData[$key]); } return htmlspecialchars($invoiceData[$key] ?? ''); }, $template); } public static function sendInvoice($userId, $status = "Unpaid") { global $config; if (empty($config['currency_code'])) { $config['currency_code'] = '$'; } $account = ORM::for_table('tbl_customers')->find_one($userId); if (!$account) { _log("Failed to send invoice: User not found"); sendTelegram("Failed to send invoice: User not found"); return false; } $invoice = ORM::for_table("tbl_transactions")->where("username", $account->username)->find_one(); if (!$invoice) { _log("Failed to send invoice: Transaction not found"); sendTelegram("Failed to send invoice: Transaction not found"); return false; } [$additionalBills, $add_cost] = User::getBills($account->id); $invoiceItems = [ [ 'description' => $invoice->plan_name, 'details' => 'Monthly Subscription', 'amount' => (float) $invoice->price ] ]; $subtotal = (float) $invoice->price; if ($add_cost > 0 && $invoice->routers != 'balance') { foreach ($additionalBills as $description => $amount) { if (is_numeric($amount)) { $invoiceItems[] = [ 'description' => $description, 'details' => 'Additional Bill', 'amount' => (float) $amount ]; $subtotal += (float) $amount; } else { _log("Invalid bill amount for {$description}: {$amount}"); } } } $tax_rate = (float) ($config['tax_rate'] ?? 0); $tax = $config['enable_tax'] ? Package::tax($subtotal) : 0; $total = ($tax > 0) ? $subtotal + $tax : $subtotal + $tax; $invoiceData = [ 'id' => "INV-" . Package::_raid(), 'fullname' => $account->fullname, 'email' => $account->email, 'address' => $account->address, 'phone' => $account->phonenumber, 'bill_rows' => self::generateBillRows($invoiceItems, $config['currency_code'], $subtotal, $tax_rate, $tax, $total), 'status' => $status, 'created_at' => date('Y-m-d H:i:s'), 'due_date' => date('Y-m-d H:i:s', strtotime('+7 days')), 'currency' => $config['currency_code'], 'company_address' => $config['address'], 'company_name' => $config['CompanyName'], 'company_phone' => $config['phone'], 'logo' => $config['logo'], ]; if (!isset($invoiceData['bill_rows']) || empty($invoiceData['bill_rows'])) { _log("Invoice Error: Bill rows data is empty."); } $filename = self::generateInvoice($invoiceData); if ($filename) { $pdfPath = "system/uploads/invoices/{$filename}"; try { Message::sendEmail( $account->email, "Invoice for Account {$account->fullname}", "Please find your invoice attached", $pdfPath ); return true; } catch (\Exception $e) { _log("Failed to send invoice email: " . $e->getMessage()); sendTelegram("Failed to send invoice email: " . $e->getMessage()); return false; } } return false; } private static function generateBillRows($items, $currency, $subtotal, $tax_rate, $tax, $total) { $html = ""; foreach ($items as $item) { $html .= ""; } $html .= ""; $html .= "

Description	Details	Amount
{$item['description']}	{$item['details']}	{$currency}" . number_format((float) $item['amount'], 2) . "
Subtotal:		{$currency}" . number_format($subtotal, 2) . "
TAX ({$tax_rate}%):		{$currency}" . number_format($tax, 2) . "
Total:		{$currency}" . number_format($total, 2) . "

"; return $html; } }