chore: return leaderboard for published maps in v4 api

Author: mworzala

api/v4Internal/model_maps.go

@@ -236,6 +236,15 @@ func hydratePublishedMap(m mapdb.PublishedMap) MapData {
 		extra["boat"] = true
 	}
 
+	leaderboard := defaultPlaytimeLeaderboard
+	if m.Leaderboard != nil {
+		leaderboard = Leaderboard{
+			Asc:    m.Leaderboard.Asc,
+			Format: LeaderboardFormat(m.Leaderboard.Format),
+			Score:  m.Leaderboard.Score,
+		}
+	}
+
 	return MapData{
 		ID:              m.ID,
 		Owner:           m.Owner,
@@ -245,14 +254,15 @@ func hydratePublishedMap(m mapdb.PublishedMap) MapData {
 
 		Verification: hydrateMapVerification(m.Verification),
 		Settings: MapSettings{
-			Name:       util.NilToEmpty(m.OptName), // todo should not be optional in db
-			Icon:       util.NilToEmpty(m.OptIcon), // todo should not be optional in db
-			Size:       hydrateMapSize(m.Size),
-			Variant:    hydrateMapVariant(m.OptVariant),
-			Subvariant: m.OptSubvariant,
-			Tags:       m.OptTags,
-			SpawnPoint: hydratePos(m.OptSpawnPoint),
-			Extra:      extra,
+			Name:        util.NilToEmpty(m.OptName), // todo should not be optional in db
+			Icon:        util.NilToEmpty(m.OptIcon), // todo should not be optional in db
+			Size:        hydrateMapSize(m.Size),
+			Variant:     hydrateMapVariant(m.OptVariant),
+			Subvariant:  m.OptSubvariant,
+			Tags:        m.OptTags,
+			SpawnPoint:  hydratePos(m.OptSpawnPoint),
+			Leaderboard: &leaderboard,
+			Extra:       extra,
 		},
 
 		PublishedId: m.PublishedID,

internal/mapdb/leaderboards.sql.go

@@ -0,0 +1,25 @@
+begin;
+
+drop view if exists maps_published;
+create or replace view maps_published as
+select m.*,
+       array(select tag from map_tags where map_id = m.id order by index)::map_tag[] as tags,
+       coalesce(stats.play_count, 0) as play_count,
+       coalesce(stats.win_count, 0) as win_count,
+       coalesce(stats.clear_rate::float, 0::float)::float as clear_rate,
+       case
+         when stats.play_count < 10 then -1
+         when stats.clear_rate < 0.05 then 4
+         when stats.clear_rate < 0.25 then 3
+         when stats.clear_rate < 0.5 then 2
+         when stats.clear_rate < 0.75 then 1
+         else 0
+         end as difficulty
+from maps as m
+  left join (select map_id, play_count, win_count, win_count::float / nullif(play_count, 0)::float as clear_rate
+             from map_stats) stats on m.id = stats.map_id
+where m.deleted_at is null
+  and m.published_at is not null
+  and m.published_id is not null;
+
+commit;

internal/mapdb/maps.sql.go

@@ -60,6 +60,8 @@ sql:
             go_type: { type: "MapExt" }
           - column: "maps.leaderboard"
             go_type: { type: "Leaderboard", pointer: true }
+          - column: "maps_published.leaderboard"
+            go_type: { type: "Leaderboard", pointer: true }
           - column: "maps_published.ext"
             go_type: { type: "MapExt" }