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Post handling for calculating Discounts

This commit is contained in:
o-psi 2023-10-19 13:56:58 -05:00
parent 5317f298dc
commit fdaa176486
1 changed files with 33 additions and 5 deletions
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38
post/invoice.php
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@ -43,7 +43,18 @@ if (isset($_POST['edit_invoice'])) {
$invoice_id = intval($_POST['invoice_id']);
$due = sanitizeInput($_POST['due']);
mysqli_query($mysqli,"UPDATE invoices SET invoice_scope = '$scope', invoice_date = '$date', invoice_due = '$due', invoice_category_id = $category WHERE invoice_id = $invoice_id");
//Calculate new total
$sql = mysqli_query($mysqli,"SELECT * FROM invoice_items WHERE item_invoice_id = $invoice_id");
$invoice_amount = 0;
while($row = mysqli_fetch_array($sql)) {
$item_total = floatval($row['item_total']);
$invoice_amount = $invoice_amount + $item_total;
}
$invoice_amount = $invoice_amount - $invoice_discount;
mysqli_query($mysqli,"UPDATE invoices SET invoice_scope = '$scope', invoice_date = '$date', invoice_due = '$due', invoice_category_id = $category, invoice_discount_amount = '$invoice_discount', invoice_amount = '$invoice_amount' WHERE invoice_id = $invoice_id");
//Logging
mysqli_query($mysqli,"INSERT INTO logs SET log_type = 'Invoice', log_action = 'Modify', log_description = '$invoice_id', log_ip = '$session_ip', log_user_agent = '$session_user_agent', log_user_id = $session_user_id");
@ -414,12 +425,24 @@ if (isset($_POST['add_invoice_item'])) {
mysqli_query($mysqli,"INSERT INTO invoice_items SET item_name = '$name', item_description = '$description', item_quantity = $qty, item_price = $price, item_subtotal = $subtotal, item_tax = $tax_amount, item_total = $total, item_order = $item_order, item_tax_id = $tax_id, item_invoice_id = $invoice_id");
//Update Invoice Balances
//Get Discount
$sql = mysqli_query($mysqli,"SELECT * FROM invoices WHERE invoice_id = $invoice_id");
$row = mysqli_fetch_array($sql);
$new_invoice_amount = floatval($row['invoice_amount']) + $total;
if($invoice_id > 0){
$invoice_discount = floatval($row['invoice_discount_amount']);
} else {
$invoice_discount = 0;
}
//add up all line items
$sql = mysqli_query($mysqli,"SELECT * FROM invoice_items WHERE item_invoice_id = $invoice_id");
$invoice_total = 0;
while($row = mysqli_fetch_array($sql)) {
$item_total = floatval($row['item_total']);
$invoice_total = $invoice_total + $item_total;
}
$new_invoice_amount = $invoice_total - $invoice_discount;
mysqli_query($mysqli,"UPDATE invoices SET invoice_amount = $new_invoice_amount WHERE invoice_id = $invoice_id");
@ -471,10 +494,15 @@ if (isset($_POST['edit_item'])) {
mysqli_query($mysqli,"UPDATE invoice_items SET item_name = '$name', item_description = '$description', item_quantity = $qty, item_price = $price, item_subtotal = $subtotal, item_tax = $tax_amount, item_total = $total, item_tax_id = $tax_id WHERE item_id = $item_id");
if ($invoice_id > 0) {
//Get Discount Amount
$sql = mysqli_query($mysqli,"SELECT * FROM invoices WHERE invoice_id = $invoice_id");
$row = mysqli_fetch_array($sql);
$invoice_discount = floatval($row['invoice_discount_amount']);
//Update Invoice Balances by tallying up invoice items
$sql_invoice_total = mysqli_query($mysqli,"SELECT SUM(item_total) AS invoice_total FROM invoice_items WHERE item_invoice_id = $invoice_id");
$row = mysqli_fetch_array($sql_invoice_total);
$new_invoice_amount = floatval($row['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");