348 lines
13 KiB
PHP
348 lines
13 KiB
PHP
<?php
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use Mpdf\Mpdf;
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class Invoice
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{
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public static function generateInvoice($invoiceData)
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{
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try {
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if (empty($invoiceData['invoice'])) {
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throw new Exception(Lang::T("Invoice No is required"));
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}
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$template = Lang::getNotifText('email_invoice');
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if (!$template) {
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throw new Exception(Lang::T("Invoice template not found"));
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}
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if (strpos($template, '<body') === false) {
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$template = "<html><body>$template</body></html>";
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}
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$processedHtml = self::renderTemplate($template, $invoiceData);
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// Debugging: Save processed HTML to file for review
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// file_put_contents('debug_invoice.html', $processedHtml);
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// Generate PDF
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$mpdf = new Mpdf([
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'mode' => 'utf-8',
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'format' => 'A4',
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'margin_left' => 10,
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'margin_right' => 10,
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'margin_top' => 10,
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'margin_bottom' => 10,
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'default_font' => 'helvetica',
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'orientation' => 'P',
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]);
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$mpdf->SetDisplayMode('fullpage');
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$mpdf->SetProtection(['print']);
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$mpdf->shrink_tables_to_fit = 1;
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$mpdf->SetWatermarkText(strtoupper($invoiceData['status'] ?? 'UNPAID'), 0.15);
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$mpdf->showWatermarkText = true;
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$mpdf->WriteHTML($processedHtml);
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// Save PDF
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$filename = "invoice_{$invoiceData['invoice']}.pdf";
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$outputPath = "system/uploads/invoices/{$filename}";
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$dir = dirname($outputPath);
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if (!is_dir($dir)) {
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mkdir($dir, 0755, true);
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}
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$mpdf->Output($outputPath, 'F');
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if (!file_exists($outputPath)) {
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throw new Exception(Lang::T("Failed to save PDF file"));
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}
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return $filename;
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} catch (\Exception $e) {
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_log("Invoice generation failed: " . $e->getMessage());
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sendTelegram("Invoice generation failed: " . $e->getMessage());
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return false;
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}
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}
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private static function renderTemplate($template, $invoiceData)
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{
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return preg_replace_callback('/\[\[(\w+)\]\]/', function ($matches) use ($invoiceData) {
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$key = $matches[1];
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if (!isset($invoiceData[$key])) {
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_log(Lang::T("Missing invoice key: ") . $key);
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return '';
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}
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if (in_array($key, ['created_at', 'due_date'])) {
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return date('F j, Y', strtotime($invoiceData[$key]));
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}
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if (in_array($key, ['amount', 'total', 'subtotal', 'tax'])) {
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return $invoiceData['currency_code'] . number_format((float) $invoiceData[$key], 2);
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}
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if ($key === 'bill_rows') {
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return $invoiceData[$key];
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}
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return htmlspecialchars($invoiceData[$key] ?? '');
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}, $template);
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}
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/**
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* Send invoice to user
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*
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* @param int $userId
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* @param array $invoice
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* @param array $bills
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* @param string $status
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* @param string $invoiceNo
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* @return bool
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*/
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public static function sendInvoice($userId, $invoice = null, $bills = [], $status = "Unpaid", $invoiceNo = null)
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{
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global $config, $root_path, $UPLOAD_PATH;
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// Set default currency code
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$config['currency_code'] ??= '$';
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$account = ORM::for_table('tbl_customers')->find_one($userId);
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self::validateAccount($account);
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if (!$invoiceNo) {
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$invoiceNo = "INV-" . Package::_raid();
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}
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// Fetch invoice if not provided
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if ($status === "Unpaid" && !$invoice) {
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$data = ORM::for_table('tbl_user_recharges')->where('customer_id', $userId)
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->where('status', 'off')
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->left_outer_join('tbl_plans', 'tbl_user_recharges.namebp = tbl_plans.name_plan')
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->select('tbl_plans.price', 'price')
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->select('tbl_plans.name_plan', 'namebp')
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->find_one();
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if (!$data) {
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$data = ORM::for_table('tbl_user_recharges')->where('username', $account->username)
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->left_outer_join('tbl_plans', 'tbl_user_recharges.namebp = tbl_plans.name_plan')
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->select('tbl_plans.price', 'price')
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->select('tbl_plans.name_plan', 'namebp')
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->where('status', 'off')
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->find_one();
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}
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if (!$data) {
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throw new Exception(Lang::T("No unpaid invoice found for username:") . $account->username);
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}
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$invoice = [
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'price' => $data->price,
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'plan_name' => $data->namebp,
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'routers' => $data->routers,
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];
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} else if ($status === "Paid" && !$invoice) {
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$invoice = ORM::for_table("tbl_transactions")->where("username", $account->username)->find_one();
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}
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if (!$invoice) {
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throw new Exception(Lang::T("Transaction not found for username: ") . $account->username);
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}
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// Get additional bills if not provided
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if (empty($bills)) {
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[$bills, $add_cost] = User::getBills($account->id);
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}
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$invoiceItems = self::generateInvoiceItems($invoice, $bills, $add_cost);
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$subtotal = array_sum(array_column($invoiceItems, 'amount'));
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$tax = $config['enable_tax'] ? Package::tax($subtotal) : 0;
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$tax_rate = $config['tax_rate'] ?? 0;
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$total = $subtotal + $tax;
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$payLink = self::generatePaymentLink($account, $invoice, $status);
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$logo = self::getCompanyLogo($UPLOAD_PATH, $root_path);
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$invoiceData = [
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'invoice' => $invoiceNo,
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'fullname' => $account->fullname,
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'email' => $account->email,
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'address' => $account->address,
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'phone' => $account->phonenumber,
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'bill_rows' => self::generateBillRows($invoiceItems, $config['currency_code'], $subtotal, $tax_rate, $tax, $total),
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'status' => $status,
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'created_at' => date('Y-m-d H:i:s'),
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'due_date' => date('Y-m-d H:i:s', strtotime('+7 days')),
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'currency' => $config['currency_code'],
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'company_address' => $config['address'],
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'company_name' => $config['CompanyName'],
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'company_phone' => $config['phone'],
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'logo' => $logo,
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'payment_link' => $payLink
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];
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if (empty($invoiceData['bill_rows'])) {
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throw new Exception(Lang::T("Bill rows data is empty."));
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}
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$filename = self::generateInvoice($invoiceData);
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if (!$filename) {
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throw new Exception(Lang::T("Failed to generate invoice PDF"));
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}
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$pdfPath = "system/uploads/invoices/{$filename}";
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self::saveToDatabase($filename, $account->id, $invoiceData, $total);
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try {
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Message::sendEmail(
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$account->email,
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Lang::T("Invoice for Account {$account->fullname}"),
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Lang::T("Please find your invoice attached"),
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$pdfPath
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);
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return true;
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} catch (\Exception $e) {
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throw new Exception(Lang::T("Failed to send email invoice to ") . $account->email . ". " . Lang::T("Reason: ") . $e->getMessage());
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}
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}
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private static function validateAccount($account)
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{
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if (!$account) {
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throw new Exception(Lang::T("User not found"));
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}
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if (!$account->email || !filter_var($account->email, FILTER_VALIDATE_EMAIL)) {
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throw new Exception(Lang::T("Invalid user email"));
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}
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}
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private static function generateInvoiceItems($invoice, $bills, $add_cost)
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{
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$items = [
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[
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'description' => $invoice['plan_name'],
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'details' => Lang::T('Subscription'),
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'amount' => (float) $invoice['price']
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]
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];
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if ($invoice->routers != 'balance') {
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foreach ($bills as $description => $amount) {
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if (is_numeric($amount)) {
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$items[] = [
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'description' => $description,
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'details' => Lang::T('Additional Bill'),
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'amount' => (float) $amount
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];
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} else {
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_log(Lang::T("Invalid bill amount for {$description}: {$amount}"));
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}
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}
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}
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return $items;
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}
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private static function generatePaymentLink($account, $invoice, $status)
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{
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$token = User::generateToken($account->id, 1);
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if (empty($token['token'])) {
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return '?_route=home';
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}
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$tur = ORM::for_table('tbl_user_recharges')
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->where('customer_id', $account->id)
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->where('namebp', $invoice->plan_name);
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$tur->where('status', $status === 'Paid' ? 'on' : 'off');
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$turResult = $tur->find_one();
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return $turResult ? '?_route=home&recharge=' . $turResult['id'] . '&uid=' . urlencode($token['token']) : '?_route=home';
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}
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private static function getCompanyLogo($UPLOAD_PATH, $root_path)
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{
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$UPLOAD_URL_PATH = str_replace($root_path, '', $UPLOAD_PATH);
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return file_exists($UPLOAD_PATH . DIRECTORY_SEPARATOR . 'logo.png') ?
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$UPLOAD_URL_PATH . DIRECTORY_SEPARATOR . 'logo.png?' . time() :
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$UPLOAD_URL_PATH . DIRECTORY_SEPARATOR . 'logo.default.png';
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}
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private static function generateBillRows($items, $currency, $subtotal, $tax_rate, $tax, $total)
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{
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$html = "<table style='width: 100%; border-collapse: collapse; margin: 20px 0;'>
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<thead>
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<tr>
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<th style='background: #3498db; color: white; padding: 12px; text-align: left;'>Description</th>
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<th style='background: #3498db; color: white; padding: 12px; text-align: left;'>Details</th>
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<th style='background: #3498db; color: white; padding: 12px; text-align: left;'>Amount</th>
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</tr>
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</thead>
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<tbody>";
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foreach ($items as $item) {
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$desc = htmlspecialchars($item['description'], ENT_QUOTES);
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$details = htmlspecialchars($item['details'], ENT_QUOTES);
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$html .= "<tr>
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<td style='padding: 10px; border-bottom: 1px solid #ddd;'>{$desc}</td>
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<td style='padding: 10px; border-bottom: 1px solid #ddd;'>{$details}</td>
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<td style='padding: 10px; border-bottom: 1px solid #ddd;'>{$currency}" . number_format((float) $item['amount'], 2) . "</td>
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</tr>";
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}
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$html .= "<tr>
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<td colspan='2' style='text-align: right; padding: 10px; border-top: 2px solid #3498db;'>Subtotal:</td>
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<td style='padding: 10px; border-top: 2px solid #3498db;'>{$currency}" . number_format($subtotal, 2) . "</td>
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</tr>
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<tr>
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<td colspan='2' style='text-align: right; padding: 10px;'>TAX ({$tax_rate}%):</td>
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<td style='padding: 10px;'>{$currency}" . number_format($tax, 2) . "</td>
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</tr>
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<tr>
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<td colspan='2' style='text-align: right; padding: 10px; font-weight: bold;'>Total:</td>
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<td style='padding: 10px; font-weight: bold;'>{$currency}" . number_format($total, 2) . "</td>
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</tr>";
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$html .= "</tbody></table>";
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return $html;
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}
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private static function saveToDatabase($filename, $customer_id, $invoiceData, $total)
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{
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$invoice = ORM::for_table('tbl_invoices')->create();
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$invoice->number = $invoiceData['invoice'];
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$invoice->customer_id = $customer_id;
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$invoice->fullname = $invoiceData['fullname'];
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$invoice->email = $invoiceData['email'];
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$invoice->address = $invoiceData['address'];
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$invoice->status = $invoiceData['status'];
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$invoice->due_date = $invoiceData['due_date'];
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$invoice->filename = $filename;
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$invoice->amount = $total;
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$invoice->data = json_encode($invoiceData);
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$invoice->created_at = date('Y-m-d H:i:s');
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$invoice->save();
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return $invoice->id;
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}
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public static function getAll()
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{
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return ORM::for_table('tbl_invoices')->order_by_desc('id')->find_many();
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}
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public static function getById($id)
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{
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return ORM::for_table('tbl_invoices')->find_one($id);
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}
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public static function getByNumber($number)
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{
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return ORM::for_table('tbl_invoices')->where('number', $number)->find_one();
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}
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public static function delete($id)
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{
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$invoice = ORM::for_table('tbl_invoices')->find_one($id);
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if ($invoice) {
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$invoice->delete();
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return true;
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}
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return false;
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}
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}
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