/// <summary>
/// Fetches all maps, groups them into mapsets, sets them to allow them to be played.
/// </summary>
public static void OrderAndSetMapsets()
{
var maps = FetchAll();
var mapsets = MapsetHelper.ConvertMapsToMapsets(maps);
MapManager.Mapsets = MapsetHelper.OrderMapsByDifficulty(MapsetHelper.OrderMapsetsByArtist(mapsets));
}
/// <summary>
/// Checks the maps in the database vs. the amount of .chart files on disk.
/// If there's a mismatch, it will add any missing ones
/// </summary>
private static void SyncMissingOrUpdatedFiles(IReadOnlyCollection <string> files)
{
var maps = FetchAll();
foreach (var map in maps)
{
var filePath = BackslashToForward($"{GlobalConfig.Load().SongDirectory}/{map.Directory}/{map.Path}");
// Check if the file actually exists.
if (files.Any(x => BackslashToForward(x) == filePath))
{
// Check if the file was updated. In this case, we check if the last write times are different
// BEFORE checking Md5 checksum of the file since it's faster to check if we even need to
// bother updating it.
if (map.LastFileWrite != File.GetLastWriteTimeUtc(filePath))
{
if (map.Md5Checksum == MapsetHelper.GetMd5Checksum(filePath))
{
continue;
}
Map newMap;
try
{
newMap = Map.FromChart(map.LoadChart(false), filePath);
}
catch (Exception e)
{
Logger.Log(e);
File.Delete(filePath);
new SQLiteConnection(DatabasePath).Delete(map);
Logger.Log($"Removed {filePath} from the cache, as the file could not be parsed.", LogLevel.Warning);
continue;
}
newMap.CalculateDifficulties();
newMap.Id = map.Id;
new SQLiteConnection(DatabasePath).Update(newMap);
Logger.Log($"Updated cached map: {newMap.Id}, as the file was updated.", LogLevel.Info);
}
continue;
}
// The file doesn't exist, so we can safely delete it from the cache.
new SQLiteConnection(DatabasePath).Delete(map);
Logger.Log($"Removed {filePath} from the cache, as the file no longer exists", LogLevel.Info);
}
}
/// <summary>
/// Responsible for converting a ChartFile object, to a Map object
/// a Map object is one that is stored in the db.
/// </summary>
/// <param name="chart"></param>
/// <param name="path"></param>
/// <returns></returns>
public static Map FromChart(ChartFile chart, string path, bool skipPathSetting = false)
{
var map = new Map
{
Artist = chart.Artist,
Title = chart.Title,
HighestRank = Grade.None,
AudioPath = chart.SoundFile,
AudioPreviewTime = chart.PreviewStart,
BackgroundPath = "",
Description = "",
MapId = chart.ID,
MapSetId = 0,
Creator = chart.Creator,
DifficultyName = chart.Difficulty,
Source = chart.Source,
Tags = chart.Tags,
SongLength = 0,
NoteCount = 0,
SliderCount = 0,
SpinnerCount = 0
};
if (!skipPathSetting)
{
try
{
map.Md5Checksum = MapsetHelper.GetMd5Checksum(path);
map.Directory = new DirectoryInfo(System.IO.Path.GetDirectoryName(path) ?? throw new InvalidOperationException()).Name.Replace("\\", "/");
map.Path = System.IO.Path.GetFileName(path)?.Replace("\\", "/");
map.LastFileWrite = File.GetLastWriteTimeUtc(map.Path);
}
// ReSharper disable once EmptyGeneralCatchClause
catch (Exception)
{
}
}
try
{
map.Bpm = chart.BPM;
}
catch (Exception)
{
map.Bpm = 0;
}
map.DateAdded = DateTime.Now;
return(map);
}