withholding tax

app/Abstracts/DocumentModel.php

@@ -3,8 +3,7 @@
 namespace App\Abstracts;
 
 use App\Abstracts\Model;
-use App\Models\Banking\Transaction;
+use App\Models\Setting\Tax;
-use App\Models\Setting\Currency;
 use App\Traits\Currencies;
 use App\Traits\DateTime;
 use App\Traits\Media;
@@ -159,8 +158,14 @@ abstract class DocumentModel extends Model
     {
         $amount = $this->amount;
 
-        $this->totals->where('code', 'tax')->each(function ($tax) use(&$amount) {
+        $this->totals->where('code', 'tax')->each(function ($total) use(&$amount) {
-            $amount -= $tax->amount;
+            $tax = Tax::name($total->name)->first();
+
+            if (!empty($tax) && ($tax->type == 'withholding')) {
+                return;
+            }
+
+            $amount -= $total->amount;
         });
 
         return $amount;

app/Http/Controllers/Settings/Taxes.php

@@ -25,6 +25,7 @@ class Taxes extends Controller
             'fixed' => trans('taxes.fixed'),
             'normal' => trans('taxes.normal'),
             'inclusive' => trans('taxes.inclusive'),
+            'withholding' => trans('taxes.withholding'),
             'compound' => trans('taxes.compound'),
         ];
 
@@ -52,6 +53,7 @@ class Taxes extends Controller
             'fixed' => trans('taxes.fixed'),
             'normal' => trans('taxes.normal'),
             'inclusive' => trans('taxes.inclusive'),
+            'withholding' => trans('taxes.withholding'),
             'compound' => trans('taxes.compound'),
         ];
 
@@ -99,6 +101,7 @@ class Taxes extends Controller
             'fixed' => trans('taxes.fixed'),
             'normal' => trans('taxes.normal'),
             'inclusive' => trans('taxes.inclusive'),
+            'withholding' => trans('taxes.withholding'),
             'compound' => trans('taxes.compound'),
         ];
 

app/Jobs/Purchase/CreateBillItem.php

@@ -87,9 +87,23 @@ class CreateBillItem extends Job
 
                         $item_tax_total += $tax_amount;
 
+                        break;
+                    case 'withholding':
+                        $tax_amount = 0 - $item_discounted_amount * ($tax->rate / 100);
+
+                        $item_taxes[] = [
+                            'company_id' => $this->bill->company_id,
+                            'bill_id' => $this->bill->id,
+                            'tax_id' => $tax_id,
+                            'name' => $tax->name,
+                            'amount' => $tax_amount,
+                        ];
+
+                        $item_tax_total += $tax_amount;
+
                         break;
                     default:
-                        $tax_amount = ($item_discounted_amount / 100) * $tax->rate;
+                        $tax_amount = $item_discounted_amount * ($tax->rate / 100);
 
                         $item_taxes[] = [
                             'company_id' => $this->bill->company_id,
@@ -167,7 +181,7 @@ class CreateBillItem extends Job
 
             foreach ($item_taxes as $item_tax) {
                 $item_tax['bill_item_id'] = $bill_item->id;
-                $item_tax['amount'] = round($item_tax['amount'], $precision);
+                $item_tax['amount'] = round(abs($item_tax['amount']), $precision);
 
                 BillItemTax::create($item_tax);
             }

app/Jobs/Purchase/CreateBillItemsAndTotals.php

@@ -3,7 +3,6 @@
 namespace App\Jobs\Purchase;
 
 use App\Abstracts\Job;
-use App\Models\Purchase\Bill;
 use App\Models\Purchase\BillTotal;
 use App\Traits\Currencies;
 use App\Traits\DateTime;
@@ -96,7 +95,7 @@ class CreateBillItemsAndTotals extends Job
                     'bill_id' => $this->bill->id,
                     'code' => 'tax',
                     'name' => $tax['name'],
-                    'amount' => round($tax['amount'], $precision),
+                    'amount' => round(abs($total['amount']), $precision),
                     'sort_order' => $sort_order,
                 ]);
 
@@ -117,7 +116,7 @@ class CreateBillItemsAndTotals extends Job
                     $total['code'] = 'extra';
                 }
 
-                $total['amount'] = round($total['amount'], $precision);
+                $total['amount'] = round(abs($total['amount']), $precision);
 
                 BillTotal::create($total);
 

app/Jobs/Sale/CreateInvoiceItem.php

@@ -87,9 +87,23 @@ class CreateInvoiceItem extends Job
 
                         $item_tax_total += $tax_amount;
 
+                        break;
+                    case 'withholding':
+                        $tax_amount = 0 - $item_discounted_amount * ($tax->rate / 100);
+
+                        $item_taxes[] = [
+                            'company_id' => $this->invoice->company_id,
+                            'invoice_id' => $this->invoice->id,
+                            'tax_id' => $tax_id,
+                            'name' => $tax->name,
+                            'amount' => $tax_amount,
+                        ];
+
+                        $item_tax_total += $tax_amount;
+
                         break;
                     default:
-                        $tax_amount = ($item_discounted_amount / 100) * $tax->rate;
+                        $tax_amount = $item_discounted_amount * ($tax->rate / 100);
 
                         $item_taxes[] = [
                             'company_id' => $this->invoice->company_id,
@@ -167,7 +181,7 @@ class CreateInvoiceItem extends Job
 
             foreach ($item_taxes as $item_tax) {
                 $item_tax['invoice_item_id'] = $invoice_item->id;
-                $item_tax['amount'] = round($item_tax['amount'], $precision);
+                $item_tax['amount'] = round(abs($item_tax['amount']), $precision);
 
                 InvoiceItemTax::create($item_tax);
             }

app/Jobs/Sale/CreateInvoiceItemsAndTotals.php

@@ -95,7 +95,7 @@ class CreateInvoiceItemsAndTotals extends Job
                     'invoice_id' => $this->invoice->id,
                     'code' => 'tax',
                     'name' => $tax['name'],
-                    'amount' => round($tax['amount'], $precision),
+                    'amount' => round(abs($tax['amount']), $precision),
                     'sort_order' => $sort_order,
                 ]);
 
@@ -116,7 +116,7 @@ class CreateInvoiceItemsAndTotals extends Job
                     $total['code'] = 'extra';
                 }
 
-                $total['amount'] = round($total['amount'], $precision);
+                $total['amount'] = round(abs($total['amount']), $precision);
 
                 InvoiceTotal::create($total);
 

app/Models/Setting/Tax.php

@@ -54,6 +54,50 @@ class Tax extends Model
         return $query->where('rate', '=', $rate);
     }
 
+    public function scopeNotRate($query, $rate)
+    {
+        return $query->where('rate', '<>', $rate);
+    }
+
+    public function scopeType($query, $types)
+    {
+        if (empty($types)) {
+            return $query;
+        }
+
+        return $query->whereIn($this->table . '.type', (array) $types);
+    }
+
+    public function scopeFixed($query)
+    {
+        return $query->where($this->table . '.type', '=', 'fixed');
+    }
+
+    public function scopeNormal($query)
+    {
+        return $query->where($this->table . '.type', '=', 'normal');
+    }
+
+    public function scopeInclusive($query)
+    {
+        return $query->where($this->table . '.type', '=', 'inclusive');
+    }
+
+    public function scopeCompound($query)
+    {
+        return $query->where($this->table . '.type', '=', 'compound');
+    }
+
+    public function scopeWithholding($query)
+    {
+        return $query->where($this->table . '.type', '=', 'withholding');
+    }
+
+    public function scopeNotWithholding($query)
+    {
+        return $query->where($this->table . '.type', '<>', 'withholding');
+    }
+
     /**
      * Convert rate to double.
      *

app/Reports/TaxSummary.php

@@ -32,7 +32,7 @@ class TaxSummary extends Report
 
     public function setTables()
     {
-        $taxes = Tax::enabled()->where('rate', '<>', '0')->orderBy('name')->pluck('name')->toArray();
+        $taxes = Tax::enabled()->notWithholding()->notRate(0)->orderBy('name')->pluck('name')->toArray();
 
         $this->tables = array_combine($taxes, $taxes);
     }

database/factories/Tax.php

@@ -10,7 +10,7 @@ $company = $user->companies()->first();
 $factory->define(Tax::class, function (Faker $faker) use ($company) {
     setting()->setExtraColumns(['company_id' => $company->id]);
 
-    $types = ['normal', 'inclusive', 'compound', 'fixed'];
+    $types = ['normal', 'inclusive', 'compound', 'fixed', 'withholding'];
 
     return [
         'company_id' => $company->id,
@@ -32,3 +32,5 @@ $factory->state(Tax::class, 'inclusive', ['type' => 'inclusive']);
 $factory->state(Tax::class, 'compound', ['type' => 'compound']);
 
 $factory->state(Tax::class, 'fixed', ['type' => 'fixed']);
+
+$factory->state(Tax::class, 'withholding', ['type' => 'withholding']);

resources/assets/js/views/purchases/bills.js

@@ -176,10 +176,11 @@ const app = new Vue({
                                     case 'fixed':
                                         item_tax_total += tax.rate * item.quantity;
                                         break;
+                                    case 'withholding':
+                                        item_tax_total += 0 - item_discounted_total * (tax.rate / 100);
+                                        break;
                                     default:
-                                        let item_tax_amount = (item_discounted_total / 100) * tax.rate;
+                                        item_tax_total += item_discounted_total * (tax.rate / 100);
-
-                                        item_tax_total += item_tax_amount;
                                         break;
                                 }
                             }

resources/assets/js/views/sales/invoices.js

@@ -177,10 +177,11 @@ const app = new Vue({
                                     case 'fixed':
                                         item_tax_total += tax.rate * item.quantity;
                                         break;
+                                    case 'withholding':
+                                        item_tax_total += 0 - item_discounted_total * (tax.rate / 100);
+                                        break;
                                     default:
-                                        let item_tax_amount = (item_discounted_total / 100) * tax.rate;
+                                        item_tax_total += item_discounted_total * (tax.rate / 100);
-
-                                        item_tax_total += item_tax_amount;
                                         break;
                                 }
                             }
@@ -225,7 +226,7 @@ const app = new Vue({
 
             // set global total variable.
             this.totals.sub = sub_total;
-            this.totals.tax = tax_total;
+            this.totals.tax = Math.abs(tax_total);
             this.totals.item_discount = line_item_discount_total;
 
             // Apply discount to total

resources/lang/en-GB/taxes.php

@@ -8,4 +8,5 @@ return [
     'inclusive'             => 'Inclusive',
     'compound'              => 'Compound',
     'fixed'                 => 'Fixed',
+    'withholding'           => 'Withholding',
 ];