chore(2.0): try to refactor the remainder of the backend

extend.php

@@ -11,17 +11,13 @@
 
 namespace FoF\FrontPage;
 
-use Flarum\Api\Controller\ListDiscussionsController;
-use Flarum\Api\Serializer\DiscussionSerializer;
+use Flarum\Search\Database\DatabaseSearchDriver;
 use Flarum\Discussion\Discussion;
-use Flarum\Discussion\Event\Saving;
-use Flarum\Discussion\Filter\DiscussionFilterer;
 use Flarum\Discussion\Search\DiscussionSearcher;
 use Flarum\Extend;
-use Flarum\Api\Context;
-use Flarum\Api\Endpoint;
 use Flarum\Api\Resource;
-use Flarum\Api\Schema;
+use Flarum\Api\Sort\SortColumn;
+use FoF\FrontPage\Api\DiscussionResourceFields;
 
 return [
     (new Extend\Frontend('forum'))
@@ -32,27 +28,24 @@
         ->js(__DIR__.'/js/dist/admin.js'),
     new Extend\Locales(__DIR__.'/resources/locale'),
 
-    (new Extend\Event())
-        ->listen(Saving::class, Listeners\SaveFrontToDatabase::class),
-
     (new Extend\Model(Discussion::class))
         ->cast('frontdate', 'datetime')
         ->cast('frontpage', 'bool'),
 
-    // @TODO: Replace with the new implementation https://docs.flarum.org/2.x/extend/api#extending-api-resources
-    (new Extend\ApiSerializer(DiscussionSerializer::class))
-        ->attributes(Listeners\AddApiAttributes::class),
+    (new Extend\ApiResource(Resource\DiscussionResource::class))
+        ->fields(DiscussionResourceFields::class),
 
-    // @TODO: Replace with the new implementation https://docs.flarum.org/2.x/extend/api#extending-api-resources
-    (new Extend\ApiController(ListDiscussionsController::class))
-        ->addSortField('frontdate'),
+    (new Extend\ApiResource(Resource\DiscussionResource::class))
+        ->sorts(fn () => [
+            SortColumn::make('frontdate'),
+        ]),
 
     (new Extend\ServiceProvider())
         ->register(Provider\FrontpageSortmapProvider::class),
 
     (new Extend\Middleware('forum'))
         ->add(Middleware\AddFrontpageFilter::class),
 
-    (new Extend\SearchDriver(\Flarum\Search\Database\DatabaseSearchDriver::class))
+    (new Extend\SearchDriver(DatabaseSearchDriver::class))
         ->addFilter(DiscussionSearcher::class, Query\FrontFilter::class),
 ];

src/Api/DiscussionResourceFields.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace FoF\FrontPage\Api;
+
+use Flarum\Api\Context;
+use Flarum\Api\Endpoint\Update;
+use Flarum\Api\Schema\Boolean;
+use Flarum\Api\Schema\Date;
+use Flarum\Discussion\Discussion;
+
+class DiscussionResourceFields
+{
+    public function __invoke(): array
+    {
+        return [
+            Boolean::make('frontpage')
+                ->writable(function (Discussion $discussion, Context $context) {
+                    return $context->endpoint instanceof Update
+                        && $context->getActor()->can('front', $discussion);
+                }),
+
+            Date::make('frontdate')
+                ->get(fn (Discussion $discussion) => $discussion->frontdate),
+
+            Boolean::make('front')
+                ->get(fn (Discussion $discussion, Context $context) => $context->getActor()->can('front', $discussion)),
+        ];
+    }
+}