/// <summary>Gets the subset audio file IDs.</summary>
/// <param name="subsetID">The subset identifier.</param>
/// <param name="minDuration">The minimum duration.</param>
/// <param name="maxDuration">The maximum duration.</param>
/// <returns></returns>
public IList <long> GetSubsetAudioFileIDs(long subsetID, TimeSpan minDuration, TimeSpan maxDuration)
{
Search search = Search.None;
#region whitelist
{
var whitelist = SubsetFilters.GetStructs(Search.FieldEquals(nameof(MDBSubsetFilter.SubsetID), subsetID) & Search.FieldEquals(nameof(MDBSubsetFilter.Mode), MDBSubsetFilterMode.Whitelist));
foreach (MDBSubsetFilter filter in whitelist)
{
switch (filter.Type)
{
case MDBSubsetFilterType.Album:
foreach (long albumID in Albums.FindRows(Search.FieldLike(nameof(MDBAlbum.Name), MDBSearch.Text(filter.Text))))
{
search |= Search.FieldEquals(nameof(MDBAudioFile.AlbumID), albumID);
}
break;
case MDBSubsetFilterType.Artist:
foreach (long artistID in Artists.FindRows(Search.FieldLike(nameof(MDBArtist.Name), MDBSearch.Text(filter.Text))))
{
search |= Search.FieldEquals(nameof(MDBAudioFile.SongArtistID), artistID);
}
break;
case MDBSubsetFilterType.Category:
{
var ids = Categories.FindRows(nameof(MDBCategory.Name), MDBSearch.Text(filter.Text));
if (ids.Count != 1)
{
this.LogError(string.Format("Error at SubsetFilter {0}", filter));
}
foreach (long id in ids)
{
search |= Search.FieldEquals(nameof(MDBAudioFile.CategoryID), id);
}
break;
}
case MDBSubsetFilterType.Tag:
{
search |= Search.FieldLike(nameof(MDBAudioFile.Tags), MDBSearch.Text(filter.Text));
break;
}
case MDBSubsetFilterType.Genre:
{
search |= Search.FieldLike(nameof(MDBAudioFile.Genres), MDBSearch.Text(filter.Text));
break;
}
case MDBSubsetFilterType.Title:
{
search |= Search.FieldLike("Title", MDBSearch.Text(filter.Text));
break;
}
default: this.LogError(string.Format("Unknown SubsetType at SubsetFilter {0}", filter)); break;
}
}
}
#endregion
#region blacklist
{
var blacklist = SubsetFilters.GetStructs(Search.FieldEquals(nameof(MDBSubsetFilter.SubsetID), subsetID) & Search.FieldEquals(nameof(MDBSubsetFilter.Mode), MDBSubsetFilterMode.Blacklist));
foreach (MDBSubsetFilter filter in blacklist)
{
switch (filter.Type)
{
case MDBSubsetFilterType.Album:
foreach (long albumID in Albums.FindRows(Search.FieldLike(nameof(MDBAlbum.Name), MDBSearch.Text(filter.Text))))
{
search &= !Search.FieldEquals(nameof(MDBAudioFile.AlbumID), albumID);
}
break;
case MDBSubsetFilterType.Artist:
foreach (long artistID in Artists.FindRows(Search.FieldLike(nameof(MDBArtist.Name), MDBSearch.Text(filter.Text))))
{
search &= !Search.FieldEquals(nameof(MDBAudioFile.SongArtistID), artistID);
}
break;
case MDBSubsetFilterType.Category:
{
var ids = Categories.FindRows(nameof(MDBCategory.Name), MDBSearch.Text(filter.Text));
if (ids.Count != 1)
{
this.LogError(string.Format("Error at SubsetFilter {0}", filter));
}
foreach (long id in ids)
{
search &= !Search.FieldEquals(nameof(MDBAudioFile.CategoryID), id);
}
break;
}
case MDBSubsetFilterType.Tag:
{
search &= !Search.FieldLike(nameof(MDBAudioFile.Tags), MDBSearch.Text(filter.Text));
break;
}
case MDBSubsetFilterType.Genre:
{
search &= !Search.FieldLike(nameof(MDBAudioFile.Genres), MDBSearch.Text(filter.Text));
break;
}
case MDBSubsetFilterType.Title:
{
search &= !Search.FieldLike("Title", MDBSearch.Text(filter.Text));
break;
}
default: this.LogError(string.Format("Unknown SubsetType at SubsetFilter {0}", filter)); break;
}
}
}
#endregion
if (minDuration > TimeSpan.Zero)
{
search &= Search.FieldGreaterOrEqual(nameof(MDBAudioFile.Duration), minDuration);
}
if (maxDuration > minDuration)
{
search &= Search.FieldSmallerOrEqual(nameof(MDBAudioFile.Duration), maxDuration);
}
return(AudioFiles.FindRows(search));
}
