/// <summary>
/// Parse name and year from previously determined name of audiobook.
/// </summary>
/// <param name="name">Name of the audiobook.</param>
/// <returns>Returns <see cref="AudioBookNameParserResult"/> object.</returns>
public AudioBookNameParserResult Parse(string name)
{
AudioBookNameParserResult result = default;
foreach (var expression in _options.AudioBookNamesExpressions)
{
var match = new Regex(expression, RegexOptions.IgnoreCase).Match(name);
if (match.Success)
{
if (result.Name == null)
{
var value = match.Groups["name"];
if (value.Success)
{
result.Name = value.Value;
}
}
if (!result.Year.HasValue)
{
var value = match.Groups["year"];
if (value.Success)
{
if (int.TryParse(value.Value, NumberStyles.Integer, CultureInfo.InvariantCulture, out var intValue))
{
result.Year = intValue;
}
}
}
}
}
if (string.IsNullOrEmpty(result.Name))
{
result.Name = name;
}
return(result);
}
private void FindExtraAndAlternativeFiles(ref List <AudioBookFileInfo> stackFiles, out List <AudioBookFileInfo> extras, out List <AudioBookFileInfo> alternativeVersions, AudioBookNameParserResult nameParserResult)
{
extras = new List <AudioBookFileInfo>();
alternativeVersions = new List <AudioBookFileInfo>();
var haveChaptersOrPages = stackFiles.Any(x => x.ChapterNumber != null || x.PartNumber != null);
var groupedBy = stackFiles.GroupBy(file => new { file.ChapterNumber, file.PartNumber });
var nameWithReplacedDots = nameParserResult.Name.Replace(' ', '.');
foreach (var group in groupedBy)
{
if (group.Key.ChapterNumber == null && group.Key.PartNumber == null)
{
if (group.Count() > 1 || haveChaptersOrPages)
{
var ex = new List <AudioBookFileInfo>();
var alt = new List <AudioBookFileInfo>();
foreach (var audioFile in group)
{
var name = Path.GetFileNameWithoutExtension(audioFile.Path);
if (name.Equals("audiobook") ||
name.Contains(nameParserResult.Name, StringComparison.OrdinalIgnoreCase) ||
name.Contains(nameWithReplacedDots, StringComparison.OrdinalIgnoreCase))
{
alt.Add(audioFile);
}
else
{
ex.Add(audioFile);
}
}
if (ex.Count > 0)
{
var extra = ex
.OrderBy(x => x.Container)
.ThenBy(x => x.Path)
.ToList();
stackFiles = stackFiles.Except(extra).ToList();
extras.AddRange(extra);
}
if (alt.Count > 0)
{
var alternatives = alt
.OrderBy(x => x.Container)
.ThenBy(x => x.Path)
.ToList();
var main = FindMainAudioBookFile(alternatives, nameParserResult.Name);
alternatives.Remove(main);
stackFiles = stackFiles.Except(alternatives).ToList();
alternativeVersions.AddRange(alternatives);
}
}
}
else if (group.Count() > 1)
{
var alternatives = group
.OrderBy(x => x.Container)
.ThenBy(x => x.Path)
.Skip(1)
.ToList();
stackFiles = stackFiles.Except(alternatives).ToList();
alternativeVersions.AddRange(alternatives);
}
}
}
