wip

app/Repos/System/Location/ProvinceRepo.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace App\Repos\System\Location;
+
+class ProvinceRepo
+{
+}

app/Repos/System/Nova/NovaRepo.php

@@ -2,6 +2,7 @@
 
 namespace App\Repos\System\Nova;
 
+use App\Models\System\Location\Province;
 use Closure;
 use Illuminate\Http\Request;
 use Laravel\Nova\Events\ServingNova;
@@ -41,4 +42,19 @@ class NovaRepo
             }
         };
     }
+
+    /**
+     * Depends on region
+     */
+    public static function dependsOnRegion(string $attribute = 'region', string $model = Province::class): Closure
+    {
+        return function ($field, $request, $formData) use ($attribute, $model) {
+            info($formData->{$attribute});
+            $field->options(
+                $formData->{$attribute}
+                    ? $model::where('region', $formData->{$attribute})->pluck('name', 'id')
+                    : []
+            );
+        };
+    }
 }