Handle permission checks in LanguageRules

For consistency with other models and to avoid duplication

src/Cms/Language.php

@@ -6,7 +6,6 @@
 use Kirby\Exception\Exception;
 use Kirby\Exception\InvalidArgumentException;
 use Kirby\Exception\NotFoundException;
-use Kirby\Exception\PermissionException;
 use Kirby\Filesystem\F;
 use Kirby\Toolkit\Locale;
 use Kirby\Toolkit\Str;
@@ -164,12 +163,6 @@ public static function create(array $props): static
 
 		$language = new static($props);
 
-		if ($language->permissions()->can('create') === false) {
-			throw new PermissionException(
-				key: 'language.create.permission'
-			);
-		}
-
 		// validate the new language
 		LanguageRules::create($language);
 
@@ -223,12 +216,6 @@ public static function create(array $props): static
 	 */
 	public function delete(): bool
 	{
-		if ($this->permissions()->can('delete') === false) {
-			throw new PermissionException(
-				key: 'language.delete.permission'
-			);
-		}
-
 		$kirby = App::instance();
 		$code  = $this->code();
 
@@ -592,12 +579,6 @@ public function url(): string
 	 */
 	public function update(array|null $props = null): static
 	{
-		if ($this->permissions()->can('update') === false) {
-			throw new PermissionException(
-				key: 'language.update.permission'
-			);
-		}
-
 		$kirby = App::instance();
 
 		// don't change the language code

src/Cms/LanguageRules.php

@@ -37,9 +37,7 @@ public static function create(Language $language): void
 			);
 		}
 
-		$user = App::instance()->user();
-
-		if ($user?->role()->permissions()->for('languages', 'create') !== true) {
+		if ($language->permissions()->create() !== true) {
 			throw new PermissionException(
 				key: 'language.create.permission'
 			);
@@ -60,9 +58,7 @@ public static function delete(Language $language): void
 			);
 		}
 
-		$user = App::instance()->user();
-
-		if ($user?->role()->permissions()->for('languages', 'delete') !== true) {
+		if ($language->permissions()->delete() !== true) {
 			throw new PermissionException(
 				key: 'language.delete.permission'
 			);
@@ -93,9 +89,7 @@ public static function update(
 			);
 		}
 
-		$user = $kirby->user();
-
-		if ($user?->role()->permissions()->for('languages', 'update') !== true) {
+		if ($newLanguage->permissions()->update() !== true) {
 			throw new PermissionException(
 				key: 'language.update.permission'
 			);