Fixes the configuration file

app/Nova/ConfigResource.php

@@ -0,0 +1,139 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Nova;
+
+use Laravel\Nova\Fields\DateTime;
+use Laravel\Nova\Fields\Text;
+use Laravel\Nova\Http\Requests\NovaRequest;
+
+final class ConfigResource extends Resource
+{
+    /**
+     * The model the resource corresponds to.
+     *
+     * @var class-string<\App\Models\Config>
+     */
+    public static string $model = \App\Models\Config::class;
+
+    /**
+     * The columns that should be searched.
+     *
+     * @var array
+     */
+    public static $search = ['key'];
+
+    /**
+     * The logical group associated with the resource.
+     *
+     * @var string
+     */
+    public static $group = 'Other';
+
+    /**
+     * Get the displayable label of the resource.
+     */
+    public static function label(): string
+    {
+        return 'Settings';
+    }
+
+    /**
+     * Get the displayable singular label of the resource.
+     */
+    public static function singularLabel(): string
+    {
+        return 'Setting';
+    }
+
+    /**
+     * Resolves the display title from the config class title or falls back to the raw key.
+     */
+    public function title(): string
+    {
+        return $this->getConfigClass()?->title ?? $this->resource->key;
+    }
+
+    /**
+     * Get the fields displayed by the resource.
+     *
+     * @return array<int, \Laravel\Nova\Fields\Field|\Laravel\Nova\Panel|\Laravel\Nova\ResourceTool|\Illuminate\Http\Resources\MergeValue>
+     */
+    public function fields(NovaRequest $request): array
+    {
+        return array_merge(
+            [
+                Text::make('Name', 'key')
+                    ->resolveUsing(fn ($value) => $this->getConfigClass()?->title ?? $value)
+                    ->exceptOnForms(),
+
+                Text::make('Description', 'key')
+                    ->resolveUsing(fn () => $this->getConfigClass()?->description ?? '')
+                    ->exceptOnForms(),
+            ],
+            array_map(
+                fn ($field) => $field->hideFromIndex(),
+                $this->getConfigClass()?->getNovaFields() ?? []
+            ),
+            [
+                DateTime::make('Created At')->exceptOnForms()->hideFromIndex()->sortable()->filterable(),
+                DateTime::make('Updated At')->exceptOnForms()->hideFromIndex()->sortable()->filterable(),
+            ],
+        );
+    }
+
+    /**
+     * Get the cards available for the request.
+     *
+     * @return array<int, \Laravel\Nova\Card>
+     */
+    public function cards(NovaRequest $request): array
+    {
+        return [];
+    }
+
+    /**
+     * Get the filters available for the resource.
+     *
+     * @return array<int, \Laravel\Nova\Filters\Filter>
+     */
+    public function filters(NovaRequest $request): array
+    {
+        return [];
+    }
+
+    /**
+     * Get the lenses available for the resource.
+     *
+     * @return array<int, \Laravel\Nova\Lenses\Lens>
+     */
+    public function lenses(NovaRequest $request): array
+    {
+        return [];
+    }
+
+    /**
+     * Get the actions available for the resource.
+     *
+     * @return array<int, \Laravel\Nova\Actions\Action>
+     */
+    public function actions(NovaRequest $request): array
+    {
+        return [];
+    }
+
+    /**
+     * Resolves the config class instance for this resource's key via the Config service.
+     */
+    private function getConfigClass(): ?object
+    {
+        $key = $this->resource?->key;
+
+        if ($key === null) {
+            return null;
+        }
+
+        return app(\App\Services\Config::class)->getConfigClassForGroup($key);
+    }
+}