move calculations to model

app/Models/ReportActivityMaterial.php

@@ -3,6 +3,8 @@
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
+use App\Models\Activity;
+use App\Models\AssignMaterial;
 
 class ReportActivityMaterial extends Model
 {
@@ -15,4 +17,29 @@ class ReportActivityMaterial extends Model
 		'activity_id', 'user_id', 'qty', 'lat', 'lon','assign_material_id',
 		'report_date', 'description', 'created_at', 'created_by', 'updated_at', 'updated_by'
 	];
+
+	public static function boot() {
+		parent::boot();
+
+		static::created(function($data) {
+
+			$activity = Activity::find($data->activity_id);
+			$assignedMaterial = AssignMaterial::find($data->assign_material_id);
+
+			$activity->biaya_actual += floatval($assignedMaterial->budget) * floatval($data->qty);
+			$activity->save();
+
+		});
+
+		static::deleted(function($data) {
+
+			$activity = Activity::find($data->activity_id);
+			$assignedMaterial = AssignMaterial::find($data->assign_material_id);
+
+			$activity->biaya_actual -= floatval($assignedMaterial->budget) * floatval($data->qty);
+			$activity->save();
+
+		});
+
+	}
 }