workaround for flarum/framework#2712

extend.php

@@ -3,11 +3,17 @@
 use Flarum\Extend;
 use Flarum\Discussion\Search\DiscussionSearcher;
 use Cosname\Search;
+use Cosname\Provider;
 
 return [
     // Change full-text searcher
     //
     // See https://github.com/flarum/core/blob/master/tests/integration/extenders/SimpleFlarumSearchTest.php
-    (new Extend\SimpleFlarumSearch(DiscussionSearcher::class))
-        ->setFullTextGambit(Search\FulltextGambit::class)
+    // (new Extend\SimpleFlarumSearch(DiscussionSearcher::class))
+    //     ->setFullTextGambit(Search\FulltextGambit::class)
+    //
+    // Right now the method above does not work, see https://discuss.flarum.org/d/26503
+    // Below is a workaround
+    (new Extend\ServiceProvider)
+        ->register(Provider\SearchServiceProvider::class)
 ];

src/Provider/SearchServiceProvider.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Cosname\Provider;
+
+use Flarum\Foundation\AbstractServiceProvider;
+use Flarum\Discussion\Search\DiscussionSearcher;
+use Cosname\Search\FulltextGambit;
+
+class SearchServiceProvider extends AbstractServiceProvider
+{
+    public function register()
+    {
+        // Workaround for https://github.com/flarum/core/issues/2712
+        $this->container->extend('flarum.simple_search.fulltext_gambits', function ($oldFulltextGambits) {
+            $oldFulltextGambits[DiscussionSearcher::class] = FulltextGambit::class;
+
+            return $oldFulltextGambits;
+        });
+    }
+}

src/Search/FulltextGambit.php

@@ -63,7 +63,7 @@ public function apply(SearchState $search, $bit)
         $query
             ->addSelect('posts_ft.most_relevant_post_id')
             ->join(
-                new Expression('('.$subquery->toSql().') '.$grammar->wrap('posts_ft')),
+                new Expression('('.$subquery->toSql().') '.$grammar->wrapTable('posts_ft')),
                 'posts_ft.discussion_id', '=', 'discussions.id'
             )
             ->addBinding($subquery->getBindings(), 'join')