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Check Stock if product type is a product before adding the line item

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johnnyq
2025-08-15 19:12:45 -04:00
parent 6427235aec
commit 37bef2d824
2 changed files with 28 additions and 1 deletions
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28
user/post/invoice.php
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@@ -524,7 +524,29 @@ if (isset($_POST['add_invoice_item'])) {
// Update Product Inventory
if ($product_id) {
mysqli_query($mysqli,"INSERT INTO product_stock SET stock_qty = -$qty, stock_note = 'QTY $qty - Invoice $invoice_id', stock_product_id = $product_id");
// Only enforce stock for tangible products
$product_type = sanitizeInput(getFieldById('products', $product_id, 'product_type'));
if ($product_type === 'product') {
// Current available stock
$sql = mysqli_query(
$mysqli,
"SELECT COALESCE(SUM(stock_qty), 0) AS available_stock
FROM product_stock
WHERE stock_product_id = $product_id"
);
$row = mysqli_fetch_array($sql);
$available_stock = floatval($row['available_stock']);
// Enough in stock?
if ($available_stock >= $qty) {
mysqli_query($mysqli,"INSERT INTO product_stock SET stock_qty = -$qty, stock_note = 'QTY $qty - Invoice $invoice_id', stock_product_id = $product_id");
} else {
// Not enough in stock: stop and notify
flash_alert("Not Enough <strong>$name</strong> in stock", 'error');
redirect();
}
}
}
// Tax
@@ -602,6 +624,7 @@ if (isset($_POST['edit_item'])) {
$qty = floatval($_POST['qty']);
$price = floatval($_POST['price']);
$tax_id = intval($_POST['tax_id']);
$product_id = intval($_POST['product_id']);
$subtotal = $price * $qty;
@@ -639,6 +662,9 @@ if (isset($_POST['edit_item'])) {
$row = mysqli_fetch_array($sql_invoice_total);
$new_invoice_amount = floatval($row['invoice_total']) - $invoice_discount;
mysqli_query($mysqli,"UPDATE invoices SET invoice_amount = $new_invoice_amount WHERE invoice_id = $invoice_id");
logAction("Invoice", "Edit", "$session_name edited item $name on invoice $invoice_prefix$invoice_number", $client_id, $invoice_id);