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invoice backend VAT & discount calculations

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This commit is contained in:
Peter Papp
2021-05-04 09:44:55 +02:00
parent fbde515a40
commit 0332f8b1fb
13 changed files with 478 additions and 556 deletions
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app/Http/custom-helpers.php
+101 -46
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@@ -43,81 +43,138 @@ function invoice_path($invoice)
* Get only tax for single invoice item
*
* @param $item
* @param false $format
* @return float|int|string
*/
function invoice_item_only_tax_price($item, $format = false)
function invoice_item_only_tax_price($item)
{
$tax = ($item['price'] * $item['amount']) * ($item['tax_rate'] / 100);
if ($format) {
return Cashier::formatAmount($tax * 100, 'CZK', 'cs');
}
return $tax;
return ($item['price'] * $item['amount']) * ($item['tax_rate'] / 100);
}
/**
* Get item price with tax for single invoice item
*
* @param $item
* @param false $format
* @return float|int|string
*/
function invoice_item_with_tax_price($item, $format = false)
function invoice_item_with_tax_price($item)
{
$tax = ($item['price'] * $item['amount']) * ($item['tax_rate'] / 100 + 1);
if ($format) {
return Cashier::formatAmount($tax * 100, 'CZK', 'cs');
}
return $tax;
return ($item['price'] * $item['amount']) * ($item['tax_rate'] / 100 + 1);
}
/**
* @param $invoice
* @param false $format
* @return float|int|mixed|string
* @return \Illuminate\Support\Collection
*/
function invoice_total_discount($invoice, $format = false)
function invoice_tax_base($invoice)
{
// Percent discount
if ($invoice['discount_type'] === 'percent') {
$discount = (int) (invoice_total_net($invoice) + invoice_total_tax($invoice)) * ($invoice['discount_rate'] / 100);
$bag = collect([]);
if ($format) {
return Cashier::formatAmount($discount * 100, $invoice['currency'], 'cs');
// Count tax base
foreach ($invoice['items'] as $item) {
if ($bag->whereNotIn('rate', $item['tax_rate'])) {
$bag->push([
'rate' => $item['tax_rate'],
'total' => $item['price'] * $item['amount'],
]);
} else {
$bag->map(function ($bagItem) use ($item) {
if ($bagItem['rate'] === $item['tax_rate']) {
$bagItem['total'] += ($item['price'] * $item['amount']);
}
});
}
return $discount;
}
// Value discount
if ($invoice['discount_type'] === 'value') {
if ($format) {
return Cashier::formatAmount($invoice['discount_rate'] * 100, $invoice['currency'], 'cs');
}
// Count discount
if ($invoice['discount_type']) {
return $bag->map(function ($bagItem) use ($invoice) {
if ($invoice['discount_type'] === 'percent') {
$bagItem['total'] -= $bagItem['total'] * ($invoice['discount_rate'] / 100);
}
return $invoice['discount_rate'];
if ($invoice['discount_type'] === 'value') {
$percentage_of_discount = $invoice['discount_rate'] / (invoice_total($invoice) + $invoice['discount_rate']);
$bagItem['total'] -= $bagItem['total'] * $percentage_of_discount;
}
return $bagItem;
});
}
return $bag;
}
/**
* @param $invoice
* @return \Illuminate\Support\Collection
*/
function invoice_tax_summary($invoice)
{
$bag = collect([]);
// Count tax base
foreach ($invoice['items'] as $item) {
if ($bag->whereNotIn('rate', $item['tax_rate'])) {
$bag->push([
'rate' => $item['tax_rate'],
'total' => ($item['price'] * $item['amount']) * ($item['tax_rate'] / 100),
]);
} else {
$bag->map(function ($bagItem) use ($item) {
if ($bagItem['rate'] === $item['tax_rate']) {
$bagItem['total'] += ($item['price'] * $item['amount']) * ($item['tax_rate'] / 100);
}
});
}
}
// Count discount
if ($invoice['discount_type']) {
return $bag->map(function ($bagItem) use ($invoice) {
if ($invoice['discount_type'] === 'percent') {
$bagItem['total'] -= $bagItem['total'] * ($invoice['discount_rate'] / 100);
}
if ($invoice['discount_type'] === 'value') {
$percentage_of_discount = $invoice['discount_rate'] / (invoice_total($invoice) + $invoice['discount_rate']);
$bagItem['total'] -= $bagItem['total'] * $percentage_of_discount;
}
return $bagItem;
});
}
return $bag;
}
/**
* @param $invoice
* @param false $format
* @return float|int|string
*/
function invoice_total_net($invoice, $format = false)
function invoice_total($invoice)
{
$total = 0;
foreach ($invoice['items'] as $item) {
$total += $item['amount'] * $item['price'];
$total_without_tax = $item['amount'] * $item['price'];
if ($item['tax_rate']) {
$total_without_tax += $total_without_tax * ($item['tax_rate'] / 100);
}
$total += $total_without_tax;
}
if ($format) {
return Cashier::formatAmount(($total * 100), $invoice['currency'], 'cs');
if ($invoice['discount_type']) {
if ($invoice['discount_type'] === 'percent') {
$total -= $total * ($invoice['discount_rate'] / 100);
}
if ($invoice['discount_type'] === 'value') {
$total -= $invoice['discount_rate'];
}
}
return $total;
@@ -128,7 +185,7 @@ function invoice_total_net($invoice, $format = false)
* @param false $format
* @return float|int|string
*/
function invoice_total_tax($invoice, $format = false)
function invoice_total_tax($invoice)
{
$total = 0;
@@ -136,20 +193,18 @@ function invoice_total_tax($invoice, $format = false)
$total += ($item['amount'] * $item['price']) * ($item['tax_rate'] / 100);
}
if ($format) {
return Cashier::formatAmount(($total * 100), $invoice['currency'], 'cs');
}
return $total;
}
/**
* @param $value
* @param $currency
* @param string $currency
* @param string $locale
* @return string
*/
function format_to_currency($value, $currency = 'CZK', $locale = 'cs')
{
return Cashier::formatAmount(((int) $value * 100), $currency, $locale);
$amount = round($value, 2) * 100;
return Cashier::formatAmount((int) $amount, $currency, $locale);
}