[CORE][Posting] Default Posting language to site language, if the user hasn't selected one

components/Posting/Posting.php

@@ -67,6 +67,7 @@ class Posting extends Component
             return Event::next;
         }
 
+        $actor    = $user->getActor();
         $actor_id = $user->getId();
         $to_tags  = [];
         $tags     = Cache::get(
@@ -90,18 +91,15 @@ class Posting extends Component
         ];
         Event::handle('PostingAvailableContentTypes', [&$available_content_types]);
 
+        $context_actor = null; // This is where we'd plug in the group in which the actor is posting, or whom they're replying to
+
         $request     = $vars['request'];
         $form_params = [
             ['to',          ChoiceType::class,   ['label' => _m('To:'), 'multiple' => false, 'expanded' => false, 'choices' => $to_tags]],
             ['visibility',  ChoiceType::class,   ['label' => _m('Visibility:'), 'multiple' => false, 'expanded' => false, 'data' => 'public', 'choices' => [_m('Public') => 'public', _m('Instance') => 'instance', _m('Private') => 'private']]],
             ['content',     TextareaType::class, ['label' => _m('Content:'), 'data' => $initial_content, 'attr' => ['placeholder' => _m($placeholder)], 'constraints' => [new Length(['max' => Common::config('site', 'text_limit')])]]],
-            ['attachments', FileType::class, [
-                'label'           => _m('Attachments:'),
-                'multiple'        => true,
-                'required'        => false,
-                'invalid_message' => _m('Attachment not valid.'),
-            ]],
-            ['language', LocaleType::class, ['label' => _m('Note language:'), 'multiple' => false, 'preferred_choices' => Actor::getById($actor_id)->getPreferredLanguageChoice()]],
+            ['attachments', FileType::class,     ['label' => _m('Attachments:'), 'multiple' => true, 'required' => false, 'invalid_message' => _m('Attachment not valid.')]],
+            ['language',    LocaleType::class,   ['label' => _m('Note language:'), 'multiple' => false, 'preferred_choices' => $actor->getPreferredLanguageChoice($context_actor)]],
         ];
 
         if (\count($available_content_types) > 1) {

src/Entity/Actor.php

@@ -28,6 +28,7 @@ use App\Core\DB\DB;
 use App\Core\Entity;
 use App\Core\Router\Router;
 use App\Core\UserRoles;
+use App\Util\Common;
 use App\Util\Exception\NicknameException;
 use App\Util\Nickname;
 use Component\Avatar\Avatar;
@@ -362,10 +363,20 @@ EOF
         return $aliases;
     }
 
-    public function getPreferredLanguageChoice()
+    /**
+     * Get the most appropraite language for $this to use when
+     * referring to $context (a reply or a group, for instance)
+     *
+     * @return string the Language as a string (save space in cache)
+     */
+    public function getPreferredLanguageChoice(?self $context = null): string
     {
-        $lang_id = $this->getPreferredLangId();
-        return Cache::get("language-{$lang_id}", fn () => (string) DB::findOneBy('language', ['id' => $lang_id]));
+        $lang_id = $context?->getPreferredLangId() ?? $this->getPreferredLangId();
+        if (\is_null($lang_id)) {
+            return Common::config('site', 'language');
+        }
+        $key = 'actor-lang-' . $this->getId() . (!\is_null($context) ? '-' . $context->getId() : '');
+        return Cache::get($key, fn () => (string) DB::findOneBy('language', ['id' => $lang_id]));
     }
 
     public static function schemaDef(): array

src/Security/Authenticator.php

@@ -31,7 +31,6 @@ use Exception;
 use Stringable;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\HttpFoundation\Request;
-use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
 use Symfony\Component\Security\Core\Exception\CustomUserMessageAuthenticationException;
 use Symfony\Component\Security\Core\Exception\InvalidCsrfTokenException;
@@ -59,20 +58,24 @@ class Authenticator extends AbstractFormLoginAuthenticator
 
     public const LOGIN_ROUTE = 'security_login';
 
-    private $urlGenerator;
     private $csrfTokenManager;
 
-    public function __construct(UrlGeneratorInterface $urlGenerator, CsrfTokenManagerInterface $csrfTokenManager)
+    public function __construct(CsrfTokenManagerInterface $csrfTokenManager)
     {
-        $this->urlGenerator     = $urlGenerator;
         $this->csrfTokenManager = $csrfTokenManager;
     }
 
+    /**
+     * @return bool
+     */
     public function supports(Request $request)
     {
         return self::LOGIN_ROUTE === $request->attributes->get('_route') && $request->isMethod('POST');
     }
 
+    /**
+     * @return array<string, string>
+     */
     public function getCredentials(Request $request)
     {
         return [
@@ -84,6 +87,10 @@ class Authenticator extends AbstractFormLoginAuthenticator
 
     /**
      * Get a user given credentials and a CSRF token
+     *
+     * @param array<string, string> $credentials result of self::getCredentials
+     *
+     * @return ?LocalUser
      */
     public function getUser($credentials, UserProviderInterface $userProvider)
     {
@@ -91,7 +98,7 @@ class Authenticator extends AbstractFormLoginAuthenticator
         if (!$this->csrfTokenManager->isTokenValid($token)) {
             throw new InvalidCsrfTokenException();
         }
-
+        $user = null;
         try {
             if (filter_var($credentials['nickname_or_email'], \FILTER_VALIDATE_EMAIL) !== false) {
                 $user = LocalUser::getByEmail($credentials['nickname_or_email']);
@@ -107,11 +114,11 @@ class Authenticator extends AbstractFormLoginAuthenticator
                 _m('Invalid login credentials.'),
             );
         }
-
         return $user;
     }
 
     /**
+     * @param array<string, string> $credentials result of self::getCredentials
      * @param LocalUser             $user
      */
     public function checkCredentials($credentials, $user)

src/Util/Common.php

@@ -79,11 +79,11 @@ abstract class Common
      */
     public static function config(string $section, ?string $setting = null)
     {
-        if (!array_key_exists($section, self::$config)) {
+        if (!\array_key_exists($section, self::$config)) {
             return null;
         } else {
             if ($setting !== null) {
-                if (array_key_exists($setting, self::$config[$section])) {
+                if (\array_key_exists($setting, self::$config[$section])) {
                     return self::$config[$section][$setting];
                 } else {
                     return null;
@@ -264,7 +264,7 @@ abstract class Common
     {
         return min(
             self::getPreferredPhpUploadLimit(),
-            self::config('attachments', 'file_quota')
+            self::config('attachments', 'file_quota'),
         );
     }