add invoice in order resources

app/Http/Resources/OrderResource.php

@@ -46,6 +46,7 @@ class OrderResource extends JsonResource
                     'received_packages' => PackingListResource::collection($this->packingLists()->where('type', PackingListType::WAREHOUSE_RECEIVE_LIST)->whereHas('packages')->get()),
                 ];
             }),
+            'invoices' => TransactionResource::collection($this->transactions), 
             'remarks' => RemarkResource::collection($this->remarks),
             'created_at' => $this->created_at->format('d-m-Y')
         ];

app/Models/Order.php

@@ -16,10 +16,13 @@ use Illuminate\Database\Eloquent\Relations\HasManyThrough;
 use Illuminate\Database\Eloquent\SoftDeletes;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\MorphMany;
+use Staudenmeir\EloquentHasManyDeep\HasManyDeep;
+use Staudenmeir\EloquentHasManyDeep\HasRelationships;
 
 class Order extends AbstractModel implements Addressable, Packable, Remarkable, Notifiable
 {
     use SoftDeletes;
+    use HasRelationships;
 
     protected $table = 'orders';
 
@@ -160,10 +163,10 @@ class Order extends AbstractModel implements Addressable, Packable, Remarkable,
     }
 
     /**
-     * @return morphMany
+     * @return hasManyDeep
      */
-    // public function transactions(): morphMany
-    // {
-    //     return $this->morphMany(Transaction::class, 'owner');
-    // }
+    public function transactions(): hasManyDeep
+    {
+        return $this->hasManyDeep(Transaction::class, [PackingList::class], ['owner_id', 'owner_id'], ['id', 'id']);
+    }
 }