feat: purge users.index on post like

extend.php

@@ -14,6 +14,7 @@
 use ACPL\FlarumCache\Api\Controller\LSCacheCsrfResponseController;
 use ACPL\FlarumCache\Api\Controller\PurgeLSCacheController;
 use ACPL\FlarumCache\Command\LSCacheClearCommand;
+use ACPL\FlarumCache\Compatibility\FlarumLikes\FlarumLikesPurgeMiddleware;
 use ACPL\FlarumCache\Compatibility\FlarumTags\FlarumTagsPurgeMiddleware;
 use ACPL\FlarumCache\Compatibility\FofMasquerade\Middleware as FofMasqueradeMiddleware;
 use ACPL\FlarumCache\Listener\ClearingCacheListener;
@@ -76,6 +77,9 @@
         ->whenExtensionEnabled('flarum-tags', [
             (new Extend\Middleware('api'))->add(FlarumTagsPurgeMiddleware::class),
         ])
+        ->whenExtensionEnabled('flarum-likes', [
+            (new Extend\Middleware('api'))->add(FlarumLikesPurgeMiddleware::class),
+        ])
         ->whenExtensionEnabled('fof-masquerade', [
             (new Extend\Middleware('api'))->add(FofMasqueradeMiddleware::class),
         ])

src/Compatibility/FlarumLikes/FlarumLikesPurgeMiddleware.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace ACPL\FlarumCache\Compatibility\FlarumLikes;
+
+use ACPL\FlarumCache\Abstract\PurgeMiddleware;
+use Illuminate\Support\Arr;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+
+class FlarumLikesPurgeMiddleware extends PurgeMiddleware
+{
+
+    protected function processPurge(
+        ServerRequestInterface $request,
+        RequestHandlerInterface $handler,
+        ResponseInterface $response
+    ): ResponseInterface {
+        if ($this->currentRouteName !== 'posts.update') {
+            return $response;
+        }
+
+        $requestBody = $request->getParsedBody();
+
+        if (! Arr::has($requestBody, 'data.attributes.isLiked')) {
+            return $response;
+        }
+
+        return $this->addPurgeParamsToResponse($response, ['users.index']);
+    }
+}