public void SetValues(List<string> fileInfoList)
{
_isMulti = true;
_id3MultiEditHelp = Id3Handler.GetTagsAndIntersectionFields(fileInfoList);
SetValues();
}
/// <summary>
/// Returns the tags and the intersection of multiple files
/// </summary>
/// <param name="fileInfos">List of the fileinfos</param>
/// <returns>The multi edit help tags</returns>
public static Id3MultiEditHelp GetTagsAndIntersectionFields(List<string> fileInfos)
{
var id3MultiEditHelp = new Id3MultiEditHelp();
const string multiValues = "(multiple Values)";
foreach (var fileInfo in fileInfos)
{
var file = File.Create(fileInfo);
var tag = file.TagTypes != TagTypes.Id3v2 ? file.Tag : file.GetTag(TagTypes.Id3v2);
id3MultiEditHelp.TagList.Add(fileInfo, tag);
}
var performers =
id3MultiEditHelp.TagList.Values.SelectMany(tag => tag.Performers)
.ToList()
.GroupBy(x => x)
.Select(g => new KeyValuePair<int, string>(g.Count(), g.Key))
.ToList();
var albums =
id3MultiEditHelp.TagList.Values.GroupBy(i => i.Album)
.Select(g => new KeyValuePair<int, string>(g.Count(), g.First().Album))
.ToList();
var years =
id3MultiEditHelp.TagList.Values.GroupBy(i => i.Year)
.Select(g => new KeyValuePair<int, uint?>(g.Count(), g.First().Year))
.ToList();
var genres =
id3MultiEditHelp.TagList.Values.GroupBy(i => i.JoinedGenres)
.Select(g => new KeyValuePair<int, string>(g.Count(), g.First().JoinedGenres))
.ToList();
var comments =
id3MultiEditHelp.TagList.Values.GroupBy(i => i.Comment)
.Select(g => new KeyValuePair<int, string>(g.Count(), g.First().Comment))
.ToList();
var stars =
id3MultiEditHelp.TagList.Values.GroupBy(i => i.GetPopularimeterFrame()?.Rating.ToStars())
.Select(
g =>
new KeyValuePair<int, Stars?>(g.Count(), g.First().GetPopularimeterFrame()?.Rating.ToStars()))
.ToList();
id3MultiEditHelp.Performers =
performers.Count == 0
? new List<Performer> { new Performer(multiValues) }
: performers.Max(k => k.Key) == fileInfos.Count
? (from y in performers where y.Key.Equals(fileInfos.Count) select new Performer(y.Value))
.ToList()
: new List<Performer> { new Performer(multiValues) };
id3MultiEditHelp.Albums =
albums.Count == 0
? new[] { multiValues }
: albums.Max(k => k.Key) == fileInfos.Count
? (from y in albums where y.Key.Equals(fileInfos.Count) select y.Value).ToArray()
: new[] { multiValues };
id3MultiEditHelp.Genres =
genres.Count == 0
? new string[0]
: genres.Max(k => k.Key) == fileInfos.Count
? (from y in genres where y.Key.Equals(fileInfos.Count) select y.Value).ToArray()
: new string[0];
id3MultiEditHelp.Rating = stars.First(y => y.Key.Equals(fileInfos.Count)).Value;
id3MultiEditHelp.Year = years.FirstOrDefault(y => y.Key.Equals(fileInfos.Count)).Value;
id3MultiEditHelp.Comment = comments.FirstOrDefault(x => x.Key == fileInfos.Count).Value ?? multiValues;
return id3MultiEditHelp;
}