partial update create mutations

app/Models/Dealer.php

@@ -26,4 +26,19 @@ class Dealer extends Model
     public function opnames(){
         return $this->hasMany(Opname::class);
     }
+
+    public function outgoingMutations()
+    {
+        return $this->hasMany(Mutation::class, 'from_dealer_id');
+    }
+
+    public function incomingMutations()  
+    {
+        return $this->hasMany(Mutation::class, 'to_dealer_id');
+    }
+
+    public function stocks()
+    {
+        return $this->hasMany(Stock::class);
+    }
 }