Prioritize videos that haven't been downloaded yet

2023-07-30 01:13:02 +01:00 · 2023-07-30 01:13:02 +01:00 · f8e2945266
commit f8e2945266
parent fc9d25ba0d
1 changed files with 8 additions and 1 deletions
--- a/main.rb
+++ b/main.rb
@ -54,7 +54,14 @@ get '/videos.json' do
  if amount > 100_000
    { error: "greedy" }.to_json
  else
-    { videos: Video.order("RANDOM()").limit(amount).pluck(:randname) }.to_json
+    videos = Video
+      .left_outer_joins(:downloads)
+      .group("randname")
+      .order("COUNT(1) ASC, RANDOM()")
+      .limit(amount)
+      .pluck(:randname)
+
+    { videos: videos }.to_json
  end
 end