private BeatmapSetInfo getBeatmapSet(ArchiveReader archiveReader)
{
BeatmapMetadata metadata;
using (var stream = new StreamReader(archiveReader.GetStream(archiveReader.BeatmapFilenames[0])))
metadata = BeatmapDecoder.GetDecoder(stream).Decode(stream).Metadata;
string hash;
string path;
using (var input = archiveReader.GetUnderlyingStream())
{
hash = input.GetMd5Hash();
input.Seek(0, SeekOrigin.Begin);
path = Path.Combine(@"beatmaps", hash.Remove(1), hash.Remove(2), hash);
if (!Storage.Exists(path))
{
using (var output = Storage.GetStream(path, FileAccess.Write))
input.CopyTo(output);
}
}
var existing = Connection.Table <BeatmapSetInfo>().FirstOrDefault(b => b.Hash == hash);
if (existing != null)
{
GetChildren(existing);
if (existing.DeletePending)
{
existing.DeletePending = false;
Update(existing, false);
BeatmapSetAdded?.Invoke(existing);
}
return(existing);
}
var beatmapSet = new BeatmapSetInfo
{
OnlineBeatmapSetID = metadata.OnlineBeatmapSetID,
Beatmaps = new List <BeatmapInfo>(),
Path = path,
Hash = hash,
Metadata = metadata
};
using (var archive = ArchiveReader.GetReader(Storage, path))
{
string[] mapNames = archive.BeatmapFilenames;
foreach (var name in mapNames)
{
using (var raw = archive.GetStream(name))
using (var ms = new MemoryStream()) //we need a memory stream so we can seek and shit
using (var sr = new StreamReader(ms))
{
raw.CopyTo(ms);
ms.Position = 0;
var decoder = BeatmapDecoder.GetDecoder(sr);
Beatmap beatmap = decoder.Decode(sr);
beatmap.BeatmapInfo.Path = name;
beatmap.BeatmapInfo.Hash = ms.GetMd5Hash();
// TODO: Diff beatmap metadata with set metadata and leave it here if necessary
beatmap.BeatmapInfo.Metadata = null;
// TODO: this should be done in a better place once we actually need to dynamically update it.
beatmap.BeatmapInfo.Ruleset = rulesets.Query <RulesetInfo>().FirstOrDefault(r => r.ID == beatmap.BeatmapInfo.RulesetID);
beatmap.BeatmapInfo.StarDifficulty = rulesets.Query <RulesetInfo>().FirstOrDefault(r => r.ID == beatmap.BeatmapInfo.RulesetID)?.CreateInstance()?.CreateDifficultyCalculator(beatmap).Calculate() ?? 0;
beatmapSet.Beatmaps.Add(beatmap.BeatmapInfo);
}
}
beatmapSet.StoryboardFile = archive.StoryboardFilename;
}
return(beatmapSet);
}