fix bug with ordering on pgsql

app/Providers/AppServiceProvider.php

@@ -4,8 +4,10 @@ namespace App\Providers;
 
 use AbdulmajeedJamaan\FilamentTranslatableTabs\TranslatableTabs;
 use Illuminate\Contracts\Foundation\Application;
+use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\ServiceProvider;
+use Spatie\Translatable\HasTranslations;
 
 class AppServiceProvider extends ServiceProvider
 {
@@ -30,5 +32,28 @@ class AppServiceProvider extends ServiceProvider
                 ->localesLabels(baseLocales())
                 ->locales(array_keys(baseLocales()));
         });
+
+        /**
+         * Order by translation for spatie/laravel-translatable
+         *
+         * @param  string  $field
+         * @param  string  $order
+         * @param  string  $locale
+         * @return \Illuminate\Database\Eloquent\Builder
+         */
+        Builder::macro('orderByTranslation', function (string $field, string $order = 'asc', ?string $locale = null) {
+            if (
+                in_array(HasTranslations::class, class_uses($this->model))
+                && in_array($field, $this->model->translatable)
+                && config('database.default') === 'pgsql'
+            ) {
+                $locale = $locale ?? app()->getLocale();
+                $this->query->orderByRaw("$field->>'$locale' $order");
+            } else {
+                $this->query->orderBy($field, $order);
+            }
+
+            return $this;
+        });
     }
 }