discount

app/Models/Expense/Bill.php

@@ -15,6 +15,13 @@ class Bill extends Model
 
     protected $table = 'bills';
 
+    /**
+     * The accessors to append to the model's array form.
+     *
+     * @var array
+     */
+    protected $appends = ['attachment', 'discount'];
+
     protected $dates = ['deleted_at', 'billed_at', 'due_at'];
 
     /**
@@ -155,4 +162,26 @@ class Bill extends Model
 
         return $this->getMedia('attachment')->last();
     }
+
+    /**
+     * Get the discount percentage.
+     *
+     * @return string
+     */
+    public function getDiscountAttribute()
+    {
+        $discount = 0;
+
+        foreach ($this->totals as $total) {
+            if ($total->code != 'discount') {
+                continue;
+            }
+
+            $discount = number_format((($total->amount * 100) / $this->amount), 0);
+
+            break;
+        }
+
+        return $discount;
+    }
 }

app/Models/Expense/BillTotal.php

@@ -3,6 +3,7 @@
 namespace App\Models\Expense;
 
 use App\Models\Model;
+use App\Models\Setting\Tax;
 use App\Traits\DateTime;
 
 class BillTotal extends Model
@@ -33,4 +34,45 @@ class BillTotal extends Model
     {
         $this->attributes['amount'] = (double) $value;
     }
+
+    /**
+     * Get the formatted name.
+     *
+     * @return string
+     */
+    public function getNameAttribute($value)
+    {
+        $name = $value;
+
+        $percent = 0;
+
+        // Discount
+        if ($this->code == 'discount') {
+            $name = trans($name);
+            $percent = $this->bill->discount;
+        }
+
+        // Tax
+        if ($this->code == 'tax') {
+            $rate = Tax::where('name', $name)->value('rate');
+
+            if (!empty($rate)) {
+                $percent = $rate;
+            }
+        }
+
+        if (!empty($percent)) {
+            $name .= ' (';
+
+            if (setting('general.percent_position', 'after') == 'after') {
+                $name .= $percent . '%';
+            } else {
+                $name .= '%' . $percent;
+            }
+
+            $name .= ')';
+        }
+
+        return $name;
+    }
 }