Fix date parsing for RSS feeds

src/invidious.cr

@@ -2072,8 +2072,8 @@ get "/feed/channel/:ucid" do |env|
     video_id = entry.xpath_node("videoid").not_nil!.content
     title = entry.xpath_node("title").not_nil!.content
 
-    published = Time.parse(entry.xpath_node("published").not_nil!.content, "%FT%X%z", Time::Location.local)
-    updated = Time.parse(entry.xpath_node("updated").not_nil!.content, "%FT%X%z", Time::Location.local)
+    published = Time.parse_rfc3339(entry.xpath_node("published").not_nil!.content)
+    updated = Time.parse_rfc3339(entry.xpath_node("updated").not_nil!.content)
 
     author = entry.xpath_node("author/name").not_nil!.content
     ucid = entry.xpath_node("channelid").not_nil!.content
@@ -2361,8 +2361,8 @@ post "/feed/webhook/:token" do |env|
     rss = XML.parse_html(body)
     rss.xpath_nodes("//feed/entry").each do |entry|
       id = entry.xpath_node("videoid").not_nil!.content
-      published = Time.parse(entry.xpath_node("published").not_nil!.content, "%FT%X%z", Time::Location.local)
-      updated = Time.parse(entry.xpath_node("updated").not_nil!.content, "%FT%X%z", Time::Location.local)
+      published = Time.parse_rfc3339(entry.xpath_node("updated").not_nil!.content)
+      updated = Time.parse_rfc3339(entry.xpath_node("updated").not_nil!.content)
 
       video = get_video(id, PG_DB, proxies, region: nil)
       video = ChannelVideo.new(id, video.title, published, updated, video.ucid, video.author, video.length_seconds)

src/invidious/channels.cr

@@ -112,8 +112,8 @@ def fetch_channel(ucid, db, pull_all_videos = true, locale = nil)
     rss.xpath_nodes("//feed/entry").each do |entry|
       video_id = entry.xpath_node("videoid").not_nil!.content
       title = entry.xpath_node("title").not_nil!.content
-      published = Time.parse(entry.xpath_node("published").not_nil!.content, "%FT%X%z", Time::Location.local)
-      updated = Time.parse(entry.xpath_node("updated").not_nil!.content, "%FT%X%z", Time::Location.local)
+      published = Time.parse_rfc3339(entry.xpath_node("published").not_nil!.content)
+      updated = Time.parse_rfc3339(entry.xpath_node("updated").not_nil!.content)
       author = entry.xpath_node("author/name").not_nil!.content
       ucid = entry.xpath_node("channelid").not_nil!.content