Add JsonCasted on extras and casts method on PageTemplate

Author: felixgilles

README.md

@@ -94,6 +94,7 @@ In `app/Nova/Templates/StandardTemplate.php`
 
 namespace App\Nova\Templates;
 
+use Laravel\Nova\Fields\Date;
 use Laravel\Nova\Fields\Trix;
 use Novius\LaravelNovaPageManager\Templates\AbstractPageTemplate;
 
@@ -112,12 +113,31 @@ class StandardTemplate extends AbstractPageTemplate
     public function fields(): array
     {
         return [
-            Trix::make(trans('laravel-nova-page-manager::template.field_content'), 'content'),
+            Trix::make('Content', 'content'),
+            Date::make('Date', 'date'),
+        ];
+    }
+    
+    public function casts() : array
+    {
+        return [
+            'date' => 'date',        
         ];
     }
 }
 ``` 
 
+Pour utiliser les champs spécifique du template :
+
+```php
+$page = \Novius\LaravelNovaPageManager\Models\Page::where('template', 'standard')->first();
+
+$content = $page->extras['content'];
+
+// Date will be a Carbon instance, thanks to the cast
+$date = $page->extras['date'];
+```
+
 ## Lint
 
 Run php-cs with:

composer.json

@@ -19,6 +19,7 @@
         "illuminate/support": "^10.0|^11.0",
         "laravel/nova": "^4.0",
         "novius/laravel-linkable": "^1.0",
+        "novius/laravel-json-casted": "^1.0.0",
         "novius/laravel-meta": "^1.0",
         "novius/laravel-nova-field-preview": "^2.0",
         "novius/laravel-nova-publishable": "^3.0",

src/Contracts/PageTemplate.php

@@ -9,4 +9,6 @@ public function templateUniqueKey(): string;
     public function templateName(): string;
 
     public function fields(): array;
+
+    public function casts(): array;
 }

src/Helpers/TemplatesHelper.php

@@ -28,7 +28,7 @@ public static function getTemplates(?Resource $resource = null): Collection
             })->filter();
     }
 
-    public static function getTemplate(string $templateKey, Resource $resource): ?AbstractPageTemplate
+    public static function getTemplate(string $templateKey, ?Resource $resource = null): ?AbstractPageTemplate
     {
         $template = static::getTemplates($resource)->firstWhere('templateKey', $templateKey);
         if (empty($template)) {

src/Models/Page.php

@@ -11,11 +11,13 @@
 use Illuminate\Support\Arr;
 use Illuminate\Support\Carbon;
 use Illuminate\Support\Str;
+use Novius\LaravelJsonCasted\Casts\JsonWithCasts;
 use Novius\LaravelLinkable\Configs\LinkableConfig;
 use Novius\LaravelLinkable\Traits\Linkable;
 use Novius\LaravelMeta\Enums\IndexFollow;
 use Novius\LaravelMeta\MetaModelConfig;
 use Novius\LaravelMeta\Traits\HasMeta;
+use Novius\LaravelNovaPageManager\Helpers\TemplatesHelper;
 use Novius\LaravelPublishable\Enums\PublicationStatus;
 use Novius\LaravelPublishable\Traits\Publishable;
 use Novius\LaravelTranslatable\Traits\Translatable;
@@ -76,7 +78,7 @@ class Page extends Model
     protected $guarded = ['id'];
 
     protected $casts = [
-        'extras' => 'json',
+        'extras' => JsonWithCasts::class.':getExtrasCasts',
     ];
 
     /**
@@ -159,6 +161,13 @@ public function linkableConfig(): LinkableConfig
         return $this->_linkableConfig;
     }
 
+    public function getExtrasCasts(): array
+    {
+        $template = $this->template ? TemplatesHelper::getTemplate($this->template) : null;
+
+        return $template?->casts() ?? [];
+    }
+
     protected function seoCanonicalUrl(): Attribute
     {
         return Attribute::make(

src/Templates/AbstractPageTemplate.php

@@ -13,4 +13,9 @@ public function __construct(?Resource $resource = null)
     {
         $this->resource = $resource;
     }
+
+    public function casts(): array
+    {
+        return [];
+    }
 }