fix(websub): add missing misc helper import

+ add checks before clearing episode cache

app/Models/EpisodeModel.php

@@ -395,7 +395,20 @@ class EpisodeModel extends Model
      */
     public function clearCache(array $data): array
     {
-        $episode = (new self())->find(is_array($data['id']) ? $data['id'][0] : $data['id']);
+        /** @var int|null $episodeId */
+        $episodeId = is_array($data['id']) ? $data['id'][0] : $data['id'];
+
+        if ($episodeId === null) {
+            // Multiple episodes have been updated, do nothing
+            return $data;
+        }
+
+        /** @var ?Episode $episode */
+        $episode = (new self())->find($episodeId);
+
+        if (! $episode instanceof Episode) {
+            return $data;
+        }
 
         // delete podcast cache
         cache()
@@ -430,9 +443,22 @@ class EpisodeModel extends Model
      */
     protected function writeEnclosureMetadata(array $data): array
     {
-        helper('id3');
+        /** @var int|null $episodeId */
+        $episodeId = is_array($data['id']) ? $data['id'][0] : $data['id'];
 
-        $episode = (new self())->find(is_array($data['id']) ? $data['id'][0] : $data['id']);
+        if ($episodeId === null) {
+            // Multiple episodes have been updated, do nothing
+            return $data;
+        }
+
+        /** @var ?Episode $episode */
+        $episode = (new self())->find($episodeId);
+
+        if (! $episode instanceof Episode) {
+            return $data;
+        }
+
+        helper('id3');
 
         write_audio_file_tags($episode);
 

modules/WebSub/Controllers/WebSubController.php

@@ -24,20 +24,22 @@ class WebSubController extends Controller
             return;
         }
 
+        helper('misc');
+
         // get all podcasts that haven't been published yet
         // or having a published episode that hasn't been pushed yet
         $podcastModel = new PodcastModel();
-        $podcasts = $podcastModel
-            ->distinct()
+        $podcastModel->builder()
             ->select('podcasts.*')
+            ->distinct()
             ->join('episodes', 'podcasts.id = episodes.podcast_id', 'left outer')
             ->where('podcasts.is_published_on_hubs', false)
             ->where('`' . $podcastModel->db->getPrefix() . 'podcasts`.`published_at` <= UTC_TIMESTAMP()', null, false)
             ->orGroupStart()
             ->where('episodes.is_published_on_hubs', false)
             ->where('`' . $podcastModel->db->getPrefix() . 'episodes`.`published_at` <= UTC_TIMESTAMP()', null, false)
-            ->groupEnd()
-            ->findAll();
+            ->groupEnd();
+        $podcasts = $podcastModel->findAll();
 
         if ($podcasts === []) {
             return;