[Posting] Add dropdown with language choice, with preferred choice according to user choice and context (group, etc)

components/Posting/Posting.php

@@ -35,6 +35,7 @@ use App\Entity\Actor;
 use App\Entity\ActorToAttachment;
 use App\Entity\Attachment;
 use App\Entity\AttachmentToNote;
+use App\Entity\Language;
 use App\Entity\Note;
 use App\Util\Common;
 use App\Util\Exception\ClientException;
@@ -44,7 +45,6 @@ use App\Util\Exception\ServerException;
 use App\Util\Formatting;
 use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
 use Symfony\Component\Form\Extension\Core\Type\FileType;
-use Symfony\Component\Form\Extension\Core\Type\LocaleType;
 use Symfony\Component\Form\Extension\Core\Type\SubmitType;
 use Symfony\Component\Form\Extension\Core\Type\TextareaType;
 use Symfony\Component\HttpFoundation\File\Exception\FormSizeFileException;
@@ -92,6 +92,10 @@ 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
+        $preferred_language_choices = $actor->getPreferredLanguageChoices($context_actor);
+        $language_choices           = Language::getLanguageChoices();
+
+        // TODO short display
 
         $request     = $vars['request'];
         $form_params = [
@@ -99,7 +103,7 @@ class Posting extends Component
             ['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' => $actor->getPreferredLanguageChoice($context_actor)]],
+            ['language',    ChoiceType::class,   ['label' => _m('Note language:'), 'preferred_choices' => $preferred_language_choices, 'choices' => $language_choices, 'required' => true, 'multiple' => false]],
         ];
 
         if (\count($available_content_types) > 1) {

src/Entity/Actor.php

@@ -363,10 +363,12 @@ class Actor extends Entity
         $id = $context?->getId() ?? $this->getId();
         return Cache::get(
             'actor-' . $this->getId() . '-langs' . (!\is_null($context) ? '-' . $context->getId() : ''),
-            fn () => DB::dql(
+            fn () => array_merge( // TODO replace with F\transform
+                ...F\map(DB::dql(
                     'select l from actor_language al join language l with al.language_id = l.id where al.actor_id = :id order by al.order ASC',
                     ['id' => $id],
-            ) ?: [DB::findOneBy('language', ['locale' => Common::config('site', 'language')])],
+                ), fn ($l) => $l->toChoiceFormat()),
+            ) ?: DB::findOneBy('language', ['locale' => Common::config('site', 'language')])->toChoiceFormat(),
         );
     }
 

src/Entity/Language.php

@@ -23,8 +23,12 @@ declare(strict_types = 1);
 
 namespace App\Entity;
 
+use App\Core\Cache;
+use App\Core\DB\DB;
 use App\Core\Entity;
+use function App\Core\I18n\_m;
 use DateTimeInterface;
+use Functional as F;
 
 /**
  * Entity for languages
@@ -103,9 +107,17 @@ class Language extends Entity
     // @codeCoverageIgnoreEnd
     // }}} Autocode
 
-    public function __toString()
+    public static function getLanguageChoices(): array
     {
-        return $this->getLongDisplay();
+        return Cache::getList(
+            'languages', // TODO replace with F\transform
+            fn () => array_merge(...F\map(DB::dql('select l from language l'), fn ($e) => $e->toChoiceFormat())),
+        );
+    }
+
+    public function toChoiceFormat(): array
+    {
+        return [_m($this->getLongDisplay()) => $this->getShortDisplay()];
     }
 
     public static function schemaDef(): array