Fix status check for channel page

src/invidious/channels.cr

@@ -556,11 +556,11 @@ end
 # TODO: Add "sort_by"
 def fetch_channel_community(ucid, continuation, locale, config, kemal_config, format, thin_mode)
   response = YT_POOL.client &.get("/channel/#{ucid}/community?gl=US&hl=en")
-  if response.status_code == 404
+  if response.status_code != 200
     response = YT_POOL.client &.get("/user/#{ucid}/community?gl=US&hl=en")
   end
 
-  if response.status_code == 404
+  if response.status_code != 200
     error_message = translate(locale, "This channel does not exist.")
     raise error_message
   end
@@ -845,7 +845,7 @@ end
 
 def get_about_info(ucid, locale)
   about = YT_POOL.client &.get("/channel/#{ucid}/about?disable_polymer=1&gl=US&hl=en")
-  if about.status_code == 404
+  if about.status_code != 200
     about = YT_POOL.client &.get("/user/#{ucid}/about?disable_polymer=1&gl=US&hl=en")
   end
 
@@ -853,6 +853,11 @@ def get_about_info(ucid, locale)
     raise ChannelRedirect.new(channel_id: md["ucid"])
   end
 
+  if about.status_code != 200
+    error_message = translate(locale, "This channel does not exist.")
+    raise error_message
+  end
+
   about = XML.parse_html(about.body)
 
   if about.xpath_node(%q(//div[contains(@class, "channel-empty-message")]))