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Document discount & tax calculation issue fixed.

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This commit is contained in:
EnesSacid-Buker 2022-04-15 17:53:45 +03:00
parent 938d43c58b
commit a6cdd57bbe
3 changed files with 313 additions and 243 deletions
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175
app/Jobs/Document/CreateDocumentItem.php
View File

@ -33,110 +33,49 @@ class CreateDocumentItem extends Job implements HasOwner, HasSource, ShouldCreat
$item_amount = (double) $this->request['price'] * (double) $this->request['quantity']; $item_amount = (double) $this->request['price'] * (double) $this->request['quantity'];
$discount = 0;
$item_discounted_amount = $item_amount; $item_discounted_amount = $item_amount;
// Apply line discount to amount // Apply line discount to amount
if (!empty($this->request['discount'])) { if (!empty($this->request['discount'])) {
$discount = $this->request['discount'];
if ($this->request['discount_type'] === 'percentage') { if ($this->request['discount_type'] === 'percentage') {
$item_discounted_amount = $item_amount -= ($item_amount * ($this->request['discount'] / 100)); $item_discounted_amount -= ($item_amount * ($this->request['discount'] / 100));
} else { } else {
$item_discounted_amount = $item_amount -= $this->request['discount']; $item_discounted_amount -= $this->request['discount'];
}
}
// Apply total discount to amount
if (!empty($this->request['global_discount'])) {
if ($this->request['global_discount_type'] === 'percentage') {
$item_discounted_amount -= $item_discounted_amount * ($this->request['global_discount'] / 100);
} else {
$item_discounted_amount -= $this->request['global_discount'];
} }
} }
$tax_amount = 0; $tax_amount = 0;
$item_taxes = [];
$item_tax_total = 0; $item_tax_total = 0;
$actual_price_item = $item_amount = $item_discounted_amount;
$item_taxes = [];
$doc_parms = [
'company_id' => $this->document->company_id,
'type' => $this->document->type,
'document_id' => $this->document->id,
];
if (!empty($this->request['tax_ids'])) { if (!empty($this->request['tax_ids'])) {
$inclusives = $compounds = []; // New variables by tax type & tax sorting
foreach ((array) $this->request['tax_ids'] as $tax_id) { foreach ((array) $this->request['tax_ids'] as $tax_id) {
$tax = Tax::find($tax_id); $tax = Tax::find($tax_id);
${$tax->type . 's'}[] = $tax;
switch ($tax->type) {
case 'inclusive':
$inclusives[] = $tax;
break;
case 'compound':
$compounds[] = $tax;
break;
case 'fixed':
$tax_amount = $tax->rate * (double) $this->request['quantity'];
// @todo tax calculate check here
//$tax_amount = round(abs($tax_amount), $precision);
$item_taxes[] = [
'company_id' => $this->document->company_id,
'type' => $this->document->type,
'document_id' => $this->document->id,
'tax_id' => $tax_id,
'name' => $tax->name,
'amount' => $tax_amount,
];
$item_tax_total += $tax_amount;
break;
case 'withholding':
$tax_amount = 0 - $item_discounted_amount * ($tax->rate / 100);
// @todo tax calculate check here
//$tax_amount = round(abs($tax_amount), $precision);
$item_taxes[] = [
'company_id' => $this->document->company_id,
'type' => $this->document->type,
'document_id' => $this->document->id,
'tax_id' => $tax_id,
'name' => $tax->name,
'amount' => $tax_amount,
];
$item_tax_total += $tax_amount;
break;
default:
$tax_amount = $item_discounted_amount * ($tax->rate / 100);
// @todo tax calculate check here
//$tax_amount = round(abs($tax_amount), $precision);
$item_taxes[] = [
'company_id' => $this->document->company_id,
'type' => $this->document->type,
'document_id' => $this->document->id,
'tax_id' => $tax_id,
'name' => $tax->name,
'amount' => $tax_amount,
];
$item_tax_total += $tax_amount;
break;
}
} }
if ($inclusives) { if (isset($inclusives)) {
$item_amount = $item_discounted_amount + $item_tax_total;
$item_base_rate = $item_amount / (1 + collect($inclusives)->sum('rate') / 100);
foreach ($inclusives as $inclusive) { foreach ($inclusives as $inclusive) {
$tax_amount = $item_base_rate * ($inclusive->rate / 100); $tax_amount = $item_discounted_amount - ($item_discounted_amount / (1 + $inclusive->rate / 100));
$tax_amount = round(abs($tax_amount), $precision); $item_taxes[] = $doc_parms + [
$item_taxes[] = [
'company_id' => $this->document->company_id,
'type' => $this->document->type,
'document_id' => $this->document->id,
'tax_id' => $inclusive->id, 'tax_id' => $inclusive->id,
'name' => $inclusive->name, 'name' => $inclusive->name,
'amount' => $tax_amount, 'amount' => $tax_amount,
@ -145,23 +84,59 @@ class CreateDocumentItem extends Job implements HasOwner, HasSource, ShouldCreat
$item_tax_total += $tax_amount; $item_tax_total += $tax_amount;
} }
if (!empty($this->request['discount_type']) && $this->request['discount_type'] === 'fixed') { $actual_price_item = $item_discounted_amount - $item_tax_total;
$item_amount = ($item_amount - $item_tax_total) - $discount; }
} else {
$item_amount = ($item_amount - $item_tax_total) / (1 - $discount / 100); if (isset($fixeds)) {
foreach ($fixeds as $tax) {
$tax_amount = $tax->rate * (double) $this->request['quantity'];
$item_taxes[] = $doc_parms + [
'tax_id' => $tax->id,
'name' => $tax->name,
'amount' => $tax_amount,
];
$item_tax_total += $tax_amount;
$item_amount += $tax_amount;
} }
} }
if ($compounds) { if (isset($normals)) {
foreach ($normals as $tax) {
$tax_amount = $actual_price_item * ($tax->rate / 100);
$item_taxes[] = $doc_parms + [
'tax_id' => $tax->id,
'name' => $tax->name,
'amount' => $tax_amount,
];
$item_tax_total += $tax_amount;
$item_amount += $tax_amount;
}
}
if (isset($withholdings)) {
foreach ($withholdings as $tax) {
$tax_amount = -($actual_price_item * ($tax->rate / 100));
$item_taxes[] = $doc_parms + [
'tax_id' => $tax->id,
'name' => $tax->name,
'amount' => $tax_amount,
];
$item_tax_total += $tax_amount;
$item_amount += $tax_amount;
}
}
if (isset($compounds)) {
foreach ($compounds as $compound) { foreach ($compounds as $compound) {
$tax_amount = (($item_discounted_amount + $item_tax_total) / 100) * $compound->rate; $tax_amount = ($item_amount / 100) * $compound->rate;
$tax_amount = round(abs($tax_amount), $precision); $item_taxes[] = $doc_parms + [
$item_taxes[] = [
'company_id' => $this->document->company_id,
'type' => $this->document->type,
'document_id' => $this->document->id,
'tax_id' => $compound->id, 'tax_id' => $compound->id,
'name' => $compound->name, 'name' => $compound->name,
'amount' => $tax_amount, 'amount' => $tax_amount,
@ -183,7 +158,7 @@ class CreateDocumentItem extends Job implements HasOwner, HasSource, ShouldCreat
$this->request['tax'] = round($item_tax_total, $precision); $this->request['tax'] = round($item_tax_total, $precision);
$this->request['discount_type'] = !empty($this->request['discount_type']) ? $this->request['discount_type'] : 'percentage'; $this->request['discount_type'] = !empty($this->request['discount_type']) ? $this->request['discount_type'] : 'percentage';
$this->request['discount_rate'] = !empty($this->request['discount']) ? $this->request['discount'] : 0; $this->request['discount_rate'] = !empty($this->request['discount']) ? $this->request['discount'] : 0;
$this->request['total'] = round($item_amount, $precision); $this->request['total'] = round($actual_price_item, $precision);
$this->request['created_from'] = $this->request['created_from']; $this->request['created_from'] = $this->request['created_from'];
$this->request['created_by'] = $this->request['created_by']; $this->request['created_by'] = $this->request['created_by'];
@ -195,8 +170,8 @@ class CreateDocumentItem extends Job implements HasOwner, HasSource, ShouldCreat
if (!empty($item_taxes)) { if (!empty($item_taxes)) {
$document_item->item_taxes = $item_taxes; $document_item->item_taxes = $item_taxes;
$document_item->inclusives = $inclusives; $document_item->inclusives = $inclusives ?? null;
$document_item->compounds = $compounds; $document_item->compounds = $compounds ?? null;
foreach ($item_taxes as $item_tax) { foreach ($item_taxes as $item_tax) {
$item_tax['document_item_id'] = $document_item->id; $item_tax['document_item_id'] = $document_item->id;

59
app/Jobs/Document/CreateDocumentItemsAndTotals.php
View File

@ -30,7 +30,7 @@ class CreateDocumentItemsAndTotals extends Job implements HasOwner, HasSource, S
{ {
$precision = config('money.' . $this->document->currency_code . '.precision'); $precision = config('money.' . $this->document->currency_code . '.precision');
list($sub_total, $discount_amount_total, $taxes) = $this->createItems(); list($sub_total, $actual_total, $discount_amount_total, $taxes) = $this->createItems();
$sort_order = 1; $sort_order = 1;
@ -47,7 +47,7 @@ class CreateDocumentItemsAndTotals extends Job implements HasOwner, HasSource, S
'created_by' => $this->request['created_by'], 'created_by' => $this->request['created_by'],
]); ]);
$this->request['amount'] += $sub_total; $this->request['amount'] += $actual_total;
$sort_order++; $sort_order++;
@ -70,7 +70,7 @@ class CreateDocumentItemsAndTotals extends Job implements HasOwner, HasSource, S
if (!empty($this->request['discount'])) { if (!empty($this->request['discount'])) {
if ($this->request['discount_type'] === 'percentage') { if ($this->request['discount_type'] === 'percentage') {
$discount_total = $sub_total * ($this->request['discount'] / 100); $discount_total = ($sub_total - $discount_amount_total) * ($this->request['discount'] / 100);
} else { } else {
$discount_total = $this->request['discount']; $discount_total = $this->request['discount'];
} }
@ -87,8 +87,6 @@ class CreateDocumentItemsAndTotals extends Job implements HasOwner, HasSource, S
'created_by' => $this->request['created_by'], 'created_by' => $this->request['created_by'],
]); ]);
$this->request['amount'] -= $discount_total;
$sort_order++; $sort_order++;
} }
@ -142,8 +140,6 @@ class CreateDocumentItemsAndTotals extends Job implements HasOwner, HasSource, S
} }
} }
$this->request['amount'] = round($this->request['amount'], $precision);
// Add total // Add total
DocumentTotal::create([ DocumentTotal::create([
'company_id' => $this->document->company_id, 'company_id' => $this->document->company_id,
@ -151,7 +147,7 @@ class CreateDocumentItemsAndTotals extends Job implements HasOwner, HasSource, S
'document_id' => $this->document->id, 'document_id' => $this->document->id,
'code' => 'total', 'code' => 'total',
'name' => 'invoices.total', 'name' => 'invoices.total',
'amount' => $this->request['amount'], 'amount' => round($this->request['amount'], $precision),
'sort_order' => $sort_order, 'sort_order' => $sort_order,
'created_from' => $this->request['created_from'], 'created_from' => $this->request['created_from'],
'created_by' => $this->request['created_by'], 'created_by' => $this->request['created_by'],
@ -160,19 +156,29 @@ class CreateDocumentItemsAndTotals extends Job implements HasOwner, HasSource, S
protected function createItems(): array protected function createItems(): array
{ {
$sub_total = $discount_amount = $discount_amount_total = 0; $sub_total = $actual_total = $discount_amount = $discount_amount_total = 0;
$taxes = []; $taxes = [];
if (empty($this->request['items'])) { if (empty($this->request['items'])) {
return [$sub_total, $discount_amount_total, $taxes]; return [$sub_total, $actual_total, $discount_amount_total, $taxes];
} }
foreach ((array) $this->request['items'] as $item) { if (!empty($this->request['discount']) && $this->request['discount_type'] !== 'percentage') {
$for_fixed_discount = $this->fixedDiscountCalculate();
}
foreach ((array) $this->request['items'] as $key => $item) {
$item['global_discount'] = 0; $item['global_discount'] = 0;
if (!empty($this->request['discount'])) { if (!empty($this->request['discount'])) {
$item['global_discount'] = $this->request['discount']; if (isset($for_fixed_discount)) {
$item['global_discount'] = ($for_fixed_discount[$key] / ($for_fixed_discount['total'] / 100)) * ($this->request['discount'] / 100);
$item['global_discount_type'] = '';
} else {
$item['global_discount'] = $this->request['discount'];
$item['global_discount_type'] = $this->request['discount_type'];
}
} }
$item['created_from'] = $this->request['created_from']; $item['created_from'] = $this->request['created_from'];
@ -214,7 +220,8 @@ class CreateDocumentItemsAndTotals extends Job implements HasOwner, HasSource, S
} }
// Calculate totals // Calculate totals
$sub_total += $document_item->total; $sub_total += $item_amount;
$actual_total += $document_item->total;
$discount_amount_total += $discount_amount; $discount_amount_total += $discount_amount;
@ -235,6 +242,30 @@ class CreateDocumentItemsAndTotals extends Job implements HasOwner, HasSource, S
} }
} }
return [$sub_total, $discount_amount_total, $taxes]; return [$sub_total, $actual_total, $discount_amount_total, $taxes];
}
public function fixedDiscountCalculate()
{
$total = 0;
foreach ((array) $this->request['items'] as $item) {
$sub = (double) $item['price'] * (double) $item['quantity'];
if (! empty($this->request['discount'])) {
if ($item['discount_type'] === 'percentage') {
$sub -= ($sub * ($item['discount'] / 100));
} else {
$sub -= $item['discount'];
}
}
$total += $sub;
$item_total[] = $sub;
}
$item_total['total'] = $total;
return $item_total;
} }
} }

322
resources/assets/js/views/common/documents.js vendored
View File

@ -105,141 +105,45 @@ const app = new Vue({
onCalculateTotal() { onCalculateTotal() {
let global_discount = parseFloat(this.form.discount); let global_discount = parseFloat(this.form.discount);
let discount_total = 0; let total_discount = 0;
let line_item_discount_total = 0; let line_item_discount_total = 0;
let taxes = this.dynamic_taxes;
let sub_total = 0; let sub_total = 0;
let totals_taxes = []; let totals_taxes = [];
let grand_total = 0; let grand_total = 0;
let inclusive_tax_total = 0; let items_amount = this.calculateTotalBeforeDiscountAndTax();
// items calculate // items calculate
this.items.forEach(function(item, index) { this.items.forEach(function(item, index) {
let item_discount = 0; item.total = item.grand_total = item.price * item.quantity;
item.total = item.price * item.quantity; let item_discounted_total = items_amount[index];
item.grand_total = item.price * item.quantity;
// item discount calculate. let line_discount_amount = item.total - item_discounted_total;
let line_discount_amount = 0;
if (item.discount) { // Apply line & total discount to item
if (item.discount_type === 'percentage') { if (global_discount) {
if (item.discount > 100) { if (this.form.discount_type === 'percentage') {
item.discount = 100; if (global_discount > 100) {
global_discount = 100;
} }
line_discount_amount = item.total * (item.discount / 100); total_discount += (item_discounted_total / 100) * global_discount;
item_discounted_total -= (item_discounted_total / 100) * global_discount;
} else { } else {
if (parseInt(item.discount) > item.price) { total_discount += (items_amount[index] / (items_amount['total'] / 100)) * (global_discount / 100);
item.discount = item.price; item_discounted_total -= (items_amount[index] / (items_amount['total'] / 100)) * (global_discount / 100);
}
line_discount_amount = parseFloat(item.discount);
}
item.discount_amount = line_discount_amount
item_discounted_total = item.total -= line_discount_amount;
item_discount = item.discount;
}
let item_discounted_total = item.total;
// item tax calculate.
if (item.tax_ids) {
let inclusives = [];
let compounds = [];
item.tax_ids.forEach(function(item_tax, item_tax_index) {
for (var index_taxes = 0; index_taxes < taxes.length; index_taxes++) {
let tax = taxes[index_taxes];
if (item_tax.id != tax.id) {
continue;
}
switch (tax.type) {
case 'inclusive':
inclusives.push({
tax_index: item_tax_index,
tax_id: tax.id,
tax_name: tax.title,
tax_rate: tax.rate
});
break;
case 'compound':
compounds.push({
tax_index: item_tax_index,
tax_id: tax.id,
tax_name: tax.title,
tax_rate: tax.rate
});
break;
case 'fixed':
item_tax.price = tax.rate * item.quantity;
totals_taxes = this.calculateTotalsTax(totals_taxes, tax.id, tax.title, item_tax.price);
item.grand_total += item_tax.price;
break;
case 'withholding':
item_tax.price = 0 - item.total * (tax.rate / 100);
totals_taxes = this.calculateTotalsTax(totals_taxes, tax.id, tax.title, item_tax.price);
item.grand_total += item_tax.price;
break;
default:
item_tax.price = item.total * (tax.rate / 100);
totals_taxes = this.calculateTotalsTax(totals_taxes, tax.id, tax.title, item_tax.price);
item.grand_total += item_tax.price;
break;
}
}
}, this);
if (inclusives.length) {
let inclusive_total = 0;
inclusives.forEach(function(inclusive) {
inclusive_total += inclusive.tax_rate;
// tax price
item.tax_ids[inclusive.tax_index].price = item.grand_total - (item.grand_total / (1 + inclusive.tax_rate / 100));
totals_taxes = this.calculateTotalsTax(totals_taxes, inclusive.tax_id, inclusive.tax_name, item.tax_ids[inclusive.tax_index].price);
}, this);
let item_base_rate = parseFloat(item.grand_total / (1 + inclusive_total / 100));
//item.grand_total = item.grand_total + item_base_rate;
item.total = item_base_rate;
inclusive_tax_total += parseFloat(item.grand_total - item.total);
}
if (compounds.length) {
let price = 0;
compounds.forEach(function(compound) {
price = (item.grand_total / 100) * compound.tax_rate;
item.tax_ids[compound.tax_index].price = price;
totals_taxes = this.calculateTotalsTax(totals_taxes, compound.tax_id, compound.tax_name, price);
}, this);
item.grand_total += price;
} }
} }
// set item total // set item total
if (item.discount) { if (item.discount || global_discount) {
item.grand_total = item_discounted_total; item.grand_total = item_discounted_total;
} }
this.calculateItemTax(item, totals_taxes, total_discount + line_discount_amount);
item.total = item.price * item.quantity;
// calculate sub, tax, discount all items. // calculate sub, tax, discount all items.
line_item_discount_total += line_discount_amount; line_item_discount_total += line_discount_amount;
sub_total += item.total; sub_total += item.total;
@ -250,23 +154,12 @@ const app = new Vue({
this.form.items[index].quantity = item.quantity; this.form.items[index].quantity = item.quantity;
this.form.items[index].price = item.price; this.form.items[index].price = item.price;
this.form.items[index].discount = item.discount; this.form.items[index].discount = item.discount;
this.form.items[index].discount_type = item.discount_type;
this.form.items[index].total = item.total; this.form.items[index].total = item.total;
}, this); }, this);
// Apply discount to total
if (global_discount) {
if (this.form.discount_type === 'percentage') {
discount_total = parseFloat(sub_total + inclusive_tax_total) * (global_discount / 100);
} else {
discount_total = global_discount;
}
this.totals.discount = discount_total;
grand_total -= discount_total;
}
this.totals.item_discount = line_item_discount_total; this.totals.item_discount = line_item_discount_total;
this.totals.discount = total_discount;
this.totals.sub = sub_total; this.totals.sub = sub_total;
this.totals.taxes = totals_taxes; this.totals.taxes = totals_taxes;
this.totals.total = grand_total; this.totals.total = grand_total;
@ -288,7 +181,176 @@ const app = new Vue({
this.currencyConversion(); this.currencyConversion();
}, },
calculateTotalsTax(totals_taxes, id, name, price) { calculateItemTax(item, totals_taxes, total_discount_amount) {
let taxes = this.dynamic_taxes;
if (item.tax_ids) {
let inclusive_tax_total = 0;
let price_for_tax = 0;
let total_tax_amount = 0;
let inclusives = [];
let compounds = [];
let fixed = [];
let withholding = [];
let normal = [];
item.tax_ids.forEach(function(item_tax, item_tax_index) {
for (var index_taxes = 0; index_taxes < taxes.length; index_taxes++) {
let tax = taxes[index_taxes];
if (item_tax.id != tax.id) {
continue;
}
switch (tax.type) {
case 'inclusive':
inclusives.push({
tax_index: item_tax_index,
tax_id: tax.id,
tax_name: tax.title,
tax_rate: tax.rate
});
break;
case 'compound':
compounds.push({
tax_index: item_tax_index,
tax_id: tax.id,
tax_name: tax.title,
tax_rate: tax.rate
});
break;
case 'fixed':
fixed.push({
tax_index: item_tax_index,
tax_id: tax.id,
tax_name: tax.title,
tax_rate: tax.rate
});
break;
case 'withholding':
withholding.push({
tax_index: item_tax_index,
tax_id: tax.id,
tax_name: tax.title,
tax_rate: tax.rate
});
break;
default:
normal.push({
tax_index: item_tax_index,
tax_id: tax.id,
tax_name: tax.title,
tax_rate: tax.rate
});
break;
}
}
}, this);
if (inclusives.length) {
inclusives.forEach(function(inclusive) {
item.tax_ids[inclusive.tax_index].price = item.grand_total - (item.grand_total / (1 + inclusive.tax_rate / 100));
inclusive_tax_total += item.tax_ids[inclusive.tax_index].price;
totals_taxes = this.calculateTotalsTax(totals_taxes, inclusive.tax_id, inclusive.tax_name, inclusive.tax_type, item.tax_ids[inclusive.tax_index].price);
}, this);
item.total = parseFloat(item.grand_total - inclusive_tax_total);
}
if (fixed.length) {
fixed.forEach(function(fixed) {
item.tax_ids[fixed.tax_index].price = fixed.tax_rate * item.quantity;
total_tax_amount += item.tax_ids[fixed.tax_index].price;
totals_taxes = this.calculateTotalsTax(totals_taxes, fixed.tax_id, fixed.tax_name, fixed.tax_type, item.tax_ids[fixed.tax_index].price);
}, this);
}
if (inclusives.length) {
price_for_tax = item.total;
} else {
price_for_tax = item.grand_total;
}
if (normal.length) {
normal.forEach(function(normal) {
item.tax_ids[normal.tax_index].price = price_for_tax * (normal.tax_rate / 100);
total_tax_amount += item.tax_ids[normal.tax_index].price;
totals_taxes = this.calculateTotalsTax(totals_taxes, normal.tax_id, normal.tax_name, normal.tax_type, item.tax_ids[normal.tax_index].price);
}, this);
}
if (withholding.length) {
withholding.forEach(function(withholding) {
item.tax_ids[withholding.tax_index].price = -(price_for_tax * (withholding.tax_rate / 100));
total_tax_amount += item.tax_ids[withholding.tax_index].price;
totals_taxes = this.calculateTotalsTax(totals_taxes, withholding.tax_id, withholding.tax_name, withholding.tax_type, item.tax_ids[withholding.tax_index].price);
}, this);
}
item.grand_total += total_tax_amount;
if (compounds.length) {
compounds.forEach(function(compound) {
item.tax_ids[compound.tax_index].price = (item.grand_total / 100) * compound.tax_rate;
totals_taxes = this.calculateTotalsTax(totals_taxes, compound.tax_id, compound.tax_name, compound.tax_type, item.tax_ids[compound.tax_index].price);
item.grand_total += item.tax_ids[compound.tax_index].price;
}, this);
}
if (inclusives.length) {
item.total += total_discount_amount;
}
}
},
calculateTotalBeforeDiscountAndTax() {
let amount_before_discount_and_tax = [];
let total = 0;
this.items.forEach(function(item, index) {
let item_total = 0;
item_total = item.price * item.quantity;
// item discount calculate.
if (item.discount) {
if (item.discount_type === 'percentage') {
if (item.discount > 100) {
item.discount = 100;
}
item.discount_amount = item_total * (item.discount / 100);
} else {
if (parseInt(item.discount) > item_total) {
item.discount_amount = item_total;
} else {
item.discount_amount = parseFloat(item.discount);
}
}
} else {
item.discount_amount = 0;
}
total += item_total - item.discount_amount;
amount_before_discount_and_tax[index] = item_total - item.discount_amount;
});
amount_before_discount_and_tax['total'] = total;
return amount_before_discount_and_tax;
},
calculateTotalsTax(totals_taxes, id, name, type, price) {
let total_tax_index = totals_taxes.findIndex(total_tax => { let total_tax_index = totals_taxes.findIndex(total_tax => {
if (total_tax.id === id) { if (total_tax.id === id) {
return true; return true;
@ -455,6 +517,8 @@ const app = new Vue({
onDeleteDiscount(item_index) { onDeleteDiscount(item_index) {
this.items[item_index].add_discount = false; this.items[item_index].add_discount = false;
this.items[item_index].discount = 0;
this.onCalculateTotal();
}, },
onAddTax(item_index) { onAddTax(item_index) {