private Option <string> LocatePoster(Season season, string seasonFolder)
{
string folder = Path.GetDirectoryName(seasonFolder) ?? string.Empty;
return(ImageFileExtensions
.Map(ext => Path.Combine(folder, $"season{season.SeasonNumber:00}-poster.{ext}"))
.Filter(s => _localFileSystem.FileExists(s))
.HeadOrNone());
}
private Option <string> LocateThumbnail(MusicVideo musicVideo)
{
string path = musicVideo.MediaVersions.Head().MediaFiles.Head().Path;
return(ImageFileExtensions
.Map(ext => Path.ChangeExtension(path, ext))
.Filter(f => _localFileSystem.FileExists(f))
.HeadOrNone());
}
private Option <string> LocateThumbnail(Episode episode)
{
string path = episode.MediaVersions.Head().MediaFiles.Head().Path;
string folder = Path.GetDirectoryName(path) ?? string.Empty;
return(ImageFileExtensions
.Map(ext => Path.GetFileNameWithoutExtension(path) + $"-thumb.{ext}")
.Map(f => Path.Combine(folder, f))
.Filter(f => _localFileSystem.FileExists(f))
.HeadOrNone());
}
private Option <string> LocateThumbnail(Song song)
{
string path = song.MediaVersions.Head().MediaFiles.Head().Path;
Option <DirectoryInfo> parent = Optional(Directory.GetParent(path));
return(parent.Map(
di =>
{
string coverPath = Path.Combine(di.FullName, "cover.jpg");
return ImageFileExtensions
.Map(ext => Path.ChangeExtension(coverPath, ext))
.Filter(f => _localFileSystem.FileExists(f))
.HeadOrNone();
}).Flatten());
}
private Option <string> LocateArtworkForArtist(string artistFolder, ArtworkKind artworkKind)
{
string segment = artworkKind switch
{
ArtworkKind.Thumbnail => "thumb",
ArtworkKind.FanArt => "fanart",
_ => throw new ArgumentOutOfRangeException(nameof(artworkKind))
};
return(ImageFileExtensions
.Map(ext => $"{segment}.{ext}")
.Map(f => Path.Combine(artistFolder, f))
.Filter(s => _localFileSystem.FileExists(s))
.HeadOrNone());
}
private Option <string> LocateArtworkForShow(string showFolder, ArtworkKind artworkKind)
{
string[] segments = artworkKind switch
{
ArtworkKind.Poster => new[] { "poster", "folder" },
ArtworkKind.FanArt => new[] { "fanart" },
_ => throw new ArgumentOutOfRangeException(nameof(artworkKind))
};
return(ImageFileExtensions
.Map(ext => segments.Map(segment => $"{segment}.{ext}"))
.Flatten()
.Map(f => Path.Combine(showFolder, f))
.Filter(s => _localFileSystem.FileExists(s))
.HeadOrNone());
}