DB: Move a forgotten 'UPDATE channels' statement

src/invidious/database/channels.cr

@@ -42,6 +42,16 @@ module Invidious::Database::Channels
     PG_DB.exec(request, Time.utc, author, id)
   end
 
+  def update_subscription_time(id : String)
+    request = <<-SQL
+      UPDATE channels
+      SET subscribed = $1
+      WHERE id = $2
+    SQL
+
+    PG_DB.exec(request, Time.utc, id)
+  end
+
   def update_mark_deleted(id : String)
     request = <<-SQL
       UPDATE channels

src/invidious/routes/feeds.cr

@@ -362,7 +362,7 @@ module Invidious::Routes::Feeds
     end
 
     if ucid = HTTP::Params.parse(URI.parse(topic).query.not_nil!)["channel_id"]?
-      PG_DB.exec("UPDATE channels SET subscribed = $1 WHERE id = $2", Time.utc, ucid)
+      Invidious::Database::Channels.update_subscription_time(ucid)
     elsif plid = HTTP::Params.parse(URI.parse(topic).query.not_nil!)["playlist_id"]?
       Invidious::Database::Playlists.update_subscription_time(plid)
     else