wip

extend.php

@@ -12,7 +12,9 @@
 namespace Blomstra\FlagDuplicates;
 
 use Blomstra\FlagDuplicates\Post\DiscussionFlaggedAsDuplicatePost;
+use Flarum\Api\Controller\ListDiscussionsController;
 use Flarum\Api\Controller\ShowDiscussionController;
+use Flarum\Api\Serializer\DiscussionSerializer;
 use Flarum\Extend;
 use Flarum\Flags\Event\Created as FlagCreated;
 use Flarum\Flags\Event\Deleting as FlagDeleting;
@@ -38,4 +40,7 @@
 
     (new Extend\ApiController(ShowDiscussionController::class))
         ->addInclude('firstPost'),
+
+    (new Extend\ApiSerializer(DiscussionSerializer::class))
+        ->attribute('canFlagDuplicate', Api\AddCanFlagDuplicateAttribute::class),
 ];

js/src/forum/extendFlagModal.tsx

@@ -141,7 +141,7 @@ export default function extendFlagModal() {
 
   extend(DiscussionControls, 'userControls', function (items: ItemList<Mithril.Children>, discussion: Discussion) {
     const post = discussion.firstPost();
-    if (!post || post.isHidden() || post.contentType() !== 'comment' || !post.canFlag()) return;
+    if (!post || post.isHidden() || post.contentType() !== 'comment' || !discussion.canFlagDuplicate()) return;
 
     items.add(
       'flag-dupe',

js/src/forum/index.ts

@@ -1,8 +1,12 @@
 import app from 'flarum/forum/app';
 import DiscussionFlaggedDuplicatePost from './components/DiscussionFlaggedDuplicatePost';
 import extendFlagModal from './extendFlagModal';
+import Extend from 'flarum/common/extenders';
+import Discussion from 'flarum/common/models/Discussion';
 
 app.initializers.add('blomstra/flag-duplicates', () => {
+  new Extend.Model(Discussion).attribute<boolean>('canFlagDuplicate');
+
   app.postComponents.discussionFlaggedDuplicate = DiscussionFlaggedDuplicatePost;
   extendFlagModal();
 });

src/Api/AddCanFlagDuplicateAttribute.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Blomstra\FlagDuplicates\Api;
+
+use Flarum\Api\Serializer\DiscussionSerializer;
+use Flarum\Api\Serializer\PostSerializer;
+use Flarum\Discussion\Discussion;
+use Flarum\Flags\AddCanFlagAttribute;
+use Flarum\Settings\SettingsRepositoryInterface;
+
+class AddCanFlagDuplicateAttribute
+{
+    public function __construct(
+        protected SettingsRepositoryInterface $settings,
+        protected PostSerializer $postSerializer,
+        protected AddCanFlagAttribute $gate
+    ) {}
+
+    public function __invoke(DiscussionSerializer $serializer, Discussion $discussion): bool
+    {
+        $this->postSerializer->setRequest($serializer->getRequest());
+
+        $gate = $this->gate;
+
+        return $gate($this->postSerializer, $discussion->firstPost);
+    }
+}