feat(tickets): add source_purchase_id to tickets and update related logic

app/Domains/Purchase/Models/Purchase.php

@@ -6,6 +6,7 @@ use App\Domains\Auth\Models\User;
 use App\Domains\Cart\Models\Cart;
 use App\Domains\Purchase\Events\PurchasePaid;
 use App\Domains\Tenant\Models\Tenant;
+use App\Domains\Ticket\Models\Ticket;
 use Illuminate\Database\Eloquent\Attributes\Fillable;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
@@ -88,6 +89,14 @@ class Purchase extends Model
         return $this->hasMany(PurchaseItem::class, 'compra_id');
     }
 
+    /**
+     * @return HasMany<Ticket, $this>
+     */
+    public function tickets(): HasMany
+    {
+        return $this->hasMany(Ticket::class, 'source_purchase_id');
+    }
+
     /**
      * @return HasOne<TelepagosQr, $this>
      */