Taiko_Stuff/TaikoLocalServer
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Try change to a custom distinct logic for recent songs

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This commit is contained in:
asesidaa 2022-09-08 18:28:46 +08:00
parent 5e662f8cdb
commit eff5ac478f
1 changed files with 13 additions and 2 deletions
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15
TaikoLocalServer/Controllers/Game/UserDataController.cs
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@ -46,13 +46,24 @@ public class UserDataController : BaseController<UserDataController>
var recentSongs = context.SongPlayData var recentSongs = context.SongPlayData
.Where(datum => datum.Baid == request.Baid) .Where(datum => datum.Baid == request.Baid)
.AsEnumerable() .AsEnumerable()
.DistinctBy(datum => datum.SongId)
.OrderByDescending(datum => datum.PlayTime) .OrderByDescending(datum => datum.PlayTime)
.ThenByDescending(datum => datum.SongNumber) .ThenByDescending(datum => datum.SongNumber)
.Select(datum => datum.SongId) .Select(datum => datum.SongId)
.Take(10)
.ToArray(); .ToArray();
// Use custom implementation as distictby cannot guarantee preserved element
var recentSet = new SortedSet<uint>();
foreach (var id in recentSongs)
{
recentSet.Add(id);
if (recentSet.Count == 10)
{
break;
}
}
recentSongs = recentSet.ToArray();
var userData = new UserDatum(); var userData = new UserDatum();
if (context.UserData.Any(datum => datum.Baid == request.Baid)) if (context.UserData.Any(datum => datum.Baid == request.Baid))
{ {