Add refresh for top videos

src/helpers.cr

@@ -183,8 +183,8 @@ def get_video(id, client, db, refresh = true)
 
     # If record was last updated over an hour ago, refresh (expire param in response lasts for 6 hours)
     if refresh && Time.now - video.updated > 1.hours
-      video = fetch_video(id, client)
       db.exec("DELETE FROM videos * WHERE id = $1", id)
+      video = fetch_video(id, client)
       args = arg_array(video.to_a)
       db.exec("INSERT INTO videos VALUES (#{args})", video.to_a)
     end

src/invidious.cr

@@ -145,11 +145,10 @@ spawn do
 
     videos = [] of Video
 
-    PG_DB.query("SELECT * FROM videos d INNER JOIN (VALUES #{args}) v(id) USING (id)", top) do |rs|
-      rs.each do
-        video = rs.read(Video)
-        videos << video
-      end
+    top.each do |id|
+      client = get_client(youtube_pool)
+      videos << get_video(id, client, PG_DB)
+      youtube_pool << client
     end
 
     top_videos = videos