update type data and boot function

app/Models/AssignMaterial.php

@@ -3,10 +3,8 @@
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
-use App\Models\RequestMaterial;
-use App\Models\Activity;
-use App\Models\ReportActivityMaterial;
-
+use App\Models\{Activity,RequestMaterial,ReportActivityMaterial};
+use Illuminate\Support\Facades\DB;
 class AssignMaterial extends Model
 {
     protected $table = 'assign_material_to_activity';
@@ -23,24 +21,25 @@ class AssignMaterial extends Model
 	protected $casts = [
         'id' => 'integer',
         'budget' => 'string',
+        'qty_planning' => 'float'
     ];
 
 	public static function boot() {
 		parent::boot();
-
+        DB::transaction(function () {
             static::created(function($data) {
-			$activity = Activity::find($data->activity_id);
-			$material = RequestMaterial::where("id", $data->material_id)->first();
-			$activity->rencana_biaya += floatval($material->price) * floatval($data->qty_planning);
+                $activity = Activity::find((int)$data->activity_id);
+                $material = RequestMaterial::find((int)$data->material_id);
+                $activity->rencana_biaya += (doubleval($material->price) * doubleval($data->qty_planning));
                 $activity->save();
             });
 
             static::deleted(function($data) {
-			$reportActivities = ReportActivityMaterial::where('assign_material_id', $data->id)->delete();
-			$activity = Activity::where('id', $data->activity_id)->first();
-			$activity->rencana_biaya -= floatval($data->budget) * floatval($data->qty_planning);
+                ReportActivityMaterial::where('assign_material_id', $data->id)->delete();
+                $activity = Activity::find($data->activity_id);
+                $activity->rencana_biaya -= (doubleval($data->budget) * doubleval($data->qty_planning));
                 $activity->save();
             });
-
+        }, 5);
 	}
 }