itflow/guest/guest_pay_invoice_stripe.php

304 lines
16 KiB
PHP

<?php
require_once 'includes/guest_header.php';
DEFINE("WORDING_PAYMENT_FAILED", "<br><h2>There was an error verifying your payment. Please contact us for more information before attempting payment again.</h2>");
// --- Get Stripe config from payment_providers table ---
$stripe_provider = mysqli_fetch_array(mysqli_query($mysqli, "SELECT * FROM payment_providers"));
$stripe_publishable = nullable_htmlentities($stripe_provider['payment_provider_public_key']);
$stripe_secret = nullable_htmlentities($stripe_provider['payment_provider_private_key']);
$stripe_account = intval($stripe_provider['payment_provider_account']);
$stripe_expense_vendor = intval($stripe_provider['payment_provider_expense_vendor']);
$stripe_expense_category = intval($stripe_provider['payment_provider_expense_category']);
$stripe_percentage_fee = floatval($stripe_provider['payment_provider_expense_percentage_fee']);
$stripe_flat_fee = floatval($stripe_provider['payment_provider_expense_flat_fee']);
// Show payment form
if (isset($_GET['invoice_id'], $_GET['url_key']) && !isset($_GET['payment_intent'])) {
$invoice_url_key = sanitizeInput($_GET['url_key']);
$invoice_id = intval($_GET['invoice_id']);
// Query invoice details
$sql = mysqli_query(
$mysqli,
"SELECT * FROM invoices
LEFT JOIN clients ON invoice_client_id = client_id
WHERE invoice_id = $invoice_id
AND invoice_url_key = '$invoice_url_key'
AND invoice_status NOT IN ('Draft', 'Paid', 'Cancelled')
LIMIT 1"
);
// Ensure valid invoice
if (!$sql || mysqli_num_rows($sql) !== 1) {
echo "<br><h2>Oops, something went wrong! Please ensure you have the correct URL and have not already paid this invoice.</h2>";
require_once 'includes/guest_footer.php';
error_log("Stripe payment error - Invoice with ID $invoice_id not found or not eligible.");
exit();
}
$row = mysqli_fetch_array($sql);
$invoice_id = intval($row['invoice_id']);
$invoice_prefix = nullable_htmlentities($row['invoice_prefix']);
$invoice_number = intval($row['invoice_number']);
$invoice_status = nullable_htmlentities($row['invoice_status']);
$invoice_date = nullable_htmlentities($row['invoice_date']);
$invoice_due = nullable_htmlentities($row['invoice_due']);
$invoice_discount = floatval($row['invoice_discount_amount']);
$invoice_amount = floatval($row['invoice_amount']);
$invoice_currency_code = nullable_htmlentities($row['invoice_currency_code']);
$client_id = intval($row['client_id']);
$client_name = nullable_htmlentities($row['client_name']);
// Company info for currency formatting, etc
$sql_company = mysqli_query($mysqli, "SELECT * FROM companies WHERE company_id = 1");
$company_row = mysqli_fetch_array($sql_company);
$company_locale = nullable_htmlentities($company_row['company_locale']);
$config_base_url = nullable_htmlentities($company_row['company_base_url'] ?? ''); // You might want to pull from settings if needed
// Add up all payments made to the invoice
$sql_amount_paid = mysqli_query($mysqli, "SELECT SUM(payment_amount) AS amount_paid FROM payments WHERE payment_invoice_id = $invoice_id");
$amount_paid = floatval(mysqli_fetch_array($sql_amount_paid)['amount_paid']);
$balance_to_pay = round($invoice_amount - $amount_paid, 2);
// Get invoice items
$sql_invoice_items = mysqli_query($mysqli, "SELECT * FROM invoice_items WHERE item_invoice_id = $invoice_id ORDER BY item_id ASC");
// Currency formatting
$currency_format = numfmt_create($company_locale, NumberFormatter::CURRENCY);
?>
<!-- Stripe & jQuery -->
<script src="https://js.stripe.com/v3/"></script>
<script src="../plugins/jquery/jquery.min.js"></script>
<div class="row pt-5">
<div class="col-sm">
<div class="card">
<div class="card-header">
<h3 class="card-title">Payment for Invoice: <strong><?php echo "$invoice_prefix$invoice_number"; ?></strong></h3>
</div>
<div class="table-responsive">
<table class="table">
<thead>
<tr>
<th>Product</th>
<th class="text-center">Qty</th>
<th class="text-right">Total</th>
</tr>
</thead>
<tbody>
<?php
while ($row = mysqli_fetch_array($sql_invoice_items)) {
$item_name = nullable_htmlentities($row['item_name']);
$item_quantity = floatval($row['item_quantity']);
$item_total = floatval($row['item_total']);
?>
<tr>
<td><?php echo $item_name; ?></td>
<td class="text-center"><?php echo $item_quantity; ?></td>
<td class="text-right"><?php echo numfmt_format_currency($currency_format, $item_total, $invoice_currency_code); ?></td>
</tr>
<?php } ?>
<?php if ($invoice_discount > 0) { ?>
<tr class="text-right">
<td colspan="2">Discount</td>
<td>
<?php echo numfmt_format_currency($currency_format, $invoice_discount, $invoice_currency_code); ?>
</td>
</tr>
<?php } ?>
<?php if (intval($amount_paid) > 0) { ?>
<tr class="text-right">
<td colspan="2">Paid</td>
<td>
<?php echo numfmt_format_currency($currency_format, $amount_paid, $invoice_currency_code); ?>
</td>
</tr>
<?php } ?>
</tbody>
</table>
</div>
</div>
</div>
<div class="col-sm offset-sm-1">
<div class="card">
<div class="card-header">
<h3 class="card-title">Payment Total: <strong><?php echo numfmt_format_currency($currency_format, $balance_to_pay, $invoice_currency_code); ?></strong></h3>
</div>
<div class="card-body">
<form id="payment-form">
<input type="hidden" id="stripe_publishable_key" value="<?php echo $stripe_publishable ?>">
<input type="hidden" id="invoice_id" value="<?php echo $invoice_id ?>">
<input type="hidden" id="url_key" value="<?php echo $invoice_url_key ?>">
<div id="payment-element"></div>
<br>
<button type="submit" id="submit" class="btn btn-primary btn-lg btn-block text-bold" hidden="hidden">
<div class="spinner hidden" id="spinner"></div>
<span id="button-text"><i class="fas fa-check mr-2"></i>Pay Invoice</span>
</button>
<div id="payment-message" class="hidden"></div>
</form>
</div>
</div>
</div>
</div>
<script src="../js/guest_pay_invoice_stripe.js"></script>
<?php
// Payment result processing
} elseif (isset($_GET['payment_intent'], $_GET['payment_intent_client_secret'])) {
$pi_id = sanitizeInput($_GET['payment_intent']);
$pi_cs = $_GET['payment_intent_client_secret'];
require_once '../plugins/stripe-php/init.php';
\Stripe\Stripe::setApiKey($stripe_secret);
$pi_obj = \Stripe\PaymentIntent::retrieve($pi_id);
if ($pi_obj->client_secret !== $pi_cs) {
error_log("Stripe payment error - Payment intent ID/Secret mismatch for $pi_id");
exit(WORDING_PAYMENT_FAILED);
} elseif ($pi_obj->status !== "succeeded") {
exit(WORDING_PAYMENT_FAILED);
} elseif ($pi_obj->amount !== $pi_obj->amount_received) {
error_log("Stripe payment error - payment amount does not match amount paid for $pi_id");
exit(WORDING_PAYMENT_FAILED);
}
// PI details
$pi_date = date('Y-m-d', $pi_obj->created);
$pi_invoice_id = intval($pi_obj->metadata->itflow_invoice_id);
$pi_client_id = intval($pi_obj->metadata->itflow_client_id);
$pi_amount_paid = floatval(($pi_obj->amount_received / 100));
$pi_currency = strtoupper(sanitizeInput($pi_obj->currency));
$pi_livemode = $pi_obj->livemode;
// Get/Check invoice (& client/primary contact)
$invoice_sql = mysqli_query(
$mysqli,
"SELECT * FROM invoices
LEFT JOIN clients ON invoice_client_id = client_id
LEFT JOIN contacts ON clients.client_id = contacts.contact_client_id AND contact_primary = 1
WHERE invoice_id = $pi_invoice_id
AND invoice_status NOT IN ('Draft', 'Paid', 'Cancelled')
LIMIT 1"
);
if (!$invoice_sql || mysqli_num_rows($invoice_sql) !== 1) {
error_log("Stripe payment error - Invoice with ID $pi_invoice_id is unknown/not eligible. PI $pi_id");
exit(WORDING_PAYMENT_FAILED);
}
$row = mysqli_fetch_array($invoice_sql);
$invoice_id = intval($row['invoice_id']);
$invoice_prefix = sanitizeInput($row['invoice_prefix']);
$invoice_number = intval($row['invoice_number']);
$invoice_amount = floatval($row['invoice_amount']);
$invoice_currency_code = sanitizeInput($row['invoice_currency_code']);
$invoice_url_key = sanitizeInput($row['invoice_url_key']);
$client_id = intval($row['client_id']);
$client_name = sanitizeInput($row['client_name']);
$contact_name = sanitizeInput($row['contact_name']);
$contact_email = sanitizeInput($row['contact_email']);
$sql_company = mysqli_query($mysqli, "SELECT * FROM companies WHERE company_id = 1");
$row = mysqli_fetch_array($sql_company);
$company_name = sanitizeInput($row['company_name']);
$company_phone = sanitizeInput(formatPhoneNumber($row['company_phone']));
$company_locale = sanitizeInput($row['company_locale']);
$currency_format = numfmt_create($company_locale, NumberFormatter::CURRENCY);
$sql_amount_paid_previously = mysqli_query($mysqli, "SELECT SUM(payment_amount) AS amount_paid FROM payments WHERE payment_invoice_id = $invoice_id");
$amount_paid_previously = floatval(mysqli_fetch_array($sql_amount_paid_previously)['amount_paid']);
$balance_to_pay = $invoice_amount - $amount_paid_previously;
// Stripe expense
if ($stripe_expense_vendor > 0 && $stripe_expense_category > 0) {
$gateway_fee = round($balance_to_pay * $stripe_percentage_fee + $stripe_flat_fee, 2);
mysqli_query($mysqli, "INSERT INTO expenses SET expense_date = '$pi_date', expense_amount = $gateway_fee, expense_currency_code = '$invoice_currency_code', expense_account_id = $stripe_account, expense_vendor_id = $stripe_expense_vendor, expense_client_id = $client_id, expense_category_id = $stripe_expense_category, expense_description = 'Stripe Transaction for Invoice $invoice_prefix$invoice_number In the Amount of $balance_to_pay', expense_reference = 'Stripe - $pi_id'");
}
if (intval($balance_to_pay) !== intval($pi_amount_paid)) {
error_log("Stripe payment error - Invoice balance does not match amount paid for $pi_id");
exit(WORDING_PAYMENT_FAILED);
}
// Update Invoice Status
mysqli_query($mysqli, "UPDATE invoices SET invoice_status = 'Paid' WHERE invoice_id = $invoice_id");
// Add Payment to History
mysqli_query($mysqli, "INSERT INTO payments SET payment_date = '$pi_date', payment_amount = $pi_amount_paid, payment_currency_code = '$pi_currency', payment_account_id = $stripe_account, payment_method = 'Stripe', payment_reference = 'Stripe - $pi_id', payment_invoice_id = $invoice_id");
mysqli_query($mysqli, "INSERT INTO history SET history_status = 'Paid', history_description = 'Online Payment added (client) - $ip - $os - $browser', history_invoice_id = $invoice_id");
// Notify
appNotify("Invoice Paid", "Invoice $invoice_prefix$invoice_number has been paid by $client_name - $ip - $os - $browser", "invoice.php?invoice_id=$invoice_id", $pi_client_id);
customAction('invoice_pay', $invoice_id);
$extended_log_desc = '';
if (!$pi_livemode) {
$extended_log_desc = '(DEV MODE)';
}
mysqli_query($mysqli, "INSERT INTO logs SET log_type = 'Payment', log_action = 'Create', log_description = 'Stripe payment of $pi_currency $pi_amount_paid against invoice $invoice_prefix$invoice_number - $pi_id $extended_log_desc', log_ip = '$ip', log_user_agent = '$user_agent', log_client_id = $pi_client_id");
// Email Receipt
$sql_settings = mysqli_query($mysqli, "SELECT * FROM settings WHERE company_id = 1");
$settings = mysqli_fetch_array($sql_settings);
$config_smtp_host = $settings['config_smtp_host'];
$config_invoice_from_name = sanitizeInput($settings['config_invoice_from_name']);
$config_invoice_from_email = sanitizeInput($settings['config_invoice_from_email']);
$config_invoice_paid_notification_email = sanitizeInput($settings['config_invoice_paid_notification_email']);
if (!empty($config_smtp_host)) {
$subject = "Payment Received - Invoice $invoice_prefix$invoice_number";
$body = "Hello $contact_name,<br><br>We have received online payment for the amount of " . $pi_currency . $pi_amount_paid . " for invoice <a href=\'https://$config_base_url/guest/guest_view_invoice.php?invoice_id=$invoice_id&url_key=$invoice_url_key\'>$invoice_prefix$invoice_number</a>. Please keep this email as a receipt for your records.<br><br>Amount: " . numfmt_format_currency($currency_format, $pi_amount_paid, $invoice_currency_code) . "<br><br>Thank you for your business!<br><br><br>~<br>$company_name - Billing<br>$config_invoice_from_email<br>$company_phone";
$data = [
[
'from' => $config_invoice_from_email,
'from_name' => $config_invoice_from_name,
'recipient' => $contact_email,
'recipient_name' => $contact_name,
'subject' => $subject,
'body' => $body,
]
];
// Internal notification
if (!empty($config_invoice_paid_notification_email)) {
$subject_internal = "Payment Received - $client_name - Invoice $invoice_prefix$invoice_number";
$body_internal = "This is a notification that an invoice has been paid in ITFlow. Below is a copy of the receipt sent to the client:-<br><br>--------<br><br>$body";
$data[] = [
'from' => $config_invoice_from_email,
'from_name' => $config_invoice_from_name,
'recipient' => $config_invoice_paid_notification_email,
'recipient_name' => $contact_name,
'subject' => $subject_internal,
'body' => $body_internal,
];
}
$mail = addToMailQueue($data);
// Email logging
mysqli_query($mysqli, "INSERT INTO history SET history_status = 'Sent', history_description = 'Emailed Receipt!', history_invoice_id = $invoice_id");
}
// Redirect user to invoice
header('Location: //' . $config_base_url . '/guest/guest_view_invoice.php?invoice_id=' . $invoice_id . '&url_key=' . $invoice_url_key);
} else {
exit(WORDING_PAYMENT_FAILED);
}
require_once 'includes/guest_footer.php';