private void setContext(Book.BookPart part = null)
{
if (part is null && Book.PartsType != Book.EParts.some)
{
part = Book?.Parts?.FirstOrDefault();
}
if (part is null || !part.AaxFileItem.Converted)
{
return;
}
AaxFileItem = part.AaxFileItem;
double duration = 0;
if (Book.PartsType != Book.EParts.some)
{
duration = Book.Parts.SelectMany(p => p.Tracks).Select(t => t.Time.Duration.TotalSeconds).Sum();
}
else
{
duration = part.Tracks.Select(t => t.Time.Duration.TotalSeconds).Sum();
}
Duration = TimeSpan.FromSeconds(duration);
}
public PartChapters(Book.BookPart part)
{
Part = part;
}
public void GetContentMetadata(Book.BookPart part)
{
string contentMetadataFile = findContentMetadataFile(part.AaxFileItem.FileName);
if (contentMetadataFile is null)
{
return;
}
string json = File.ReadAllText(contentMetadataFile);
var metadata = JsonConvert.DeserializeObject <json.AppContentMetadata> (json);
// set the chapters
var chapters = new List <Chapter> ();
var metaChapters = metadata.content_metadata.chapter_info.chapters;
if (metaChapters.Count == 0)
{
return;
}
// handle chapters with no name. Set '.' as a placeholder
var whites = metaChapters.Where(c => string.IsNullOrWhiteSpace(c.title)).ToList();
whites.ForEach(c => c.title = ".");
// handle chapters of zero length. Min length must be 1 ms.
var zeros = metaChapters.Where(c => c.length_ms == 0).ToList();
Log(3, this, () => $"chapters: #zero={zeros.Count}, #white={whites.Count}");
if (zeros.Count > 0)
{
zeros.ForEach(c => c.length_ms = 1);
for (int i = 1; i < metaChapters.Count; i++)
{
var ch0 = metaChapters[i - 1];
var ch = metaChapters[i];
int chOffsNew = ch0.start_offset_ms + ch0.length_ms;
if (ch.start_offset_ms >= chOffsNew)
{
continue;
}
int chLenNew = ch.length_ms + ch.start_offset_ms - chOffsNew;
if (chLenNew <= 0)
{
chLenNew = 1;
}
ch.start_offset_ms = chOffsNew;
ch.length_ms = chLenNew;
}
}
foreach (var ch in metaChapters)
{
var chapter = new Chapter();
chapter.Name = ch.title.Trim();
chapter.Time.Begin = TimeSpan.FromMilliseconds(ch.start_offset_ms);
chapter.Time.End = TimeSpan.FromMilliseconds(ch.start_offset_ms + ch.length_ms);
Log(3, this, () => chapter.ToString());
chapters.Add(chapter);
}
part.Chapters2 = chapters;
// set brandintro and brandoutro times
part.BrandIntro = TimeSpan.FromMilliseconds(metadata.content_metadata.chapter_info.brandIntroDurationMs);
part.BrandOutro = TimeSpan.FromMilliseconds(metadata.content_metadata.chapter_info.brandOutroDurationMs);
part.Duration = TimeSpan.FromMilliseconds(metadata.content_metadata.chapter_info.runtime_length_ms);
Log(3, this, () => $"intro={part.BrandIntro.ToStringHMSm ()}, outro={part.BrandOutro.ToStringHMSm ()}, duration={part.Duration.ToStringHMSm ()}");
}
public readonly int nnPrt = -1; // part digits
public Numbers(Book book, Track track, Book.BookPart part)
{
this.nPrt = part.PartNumber;
this.nnPrt = book.Parts.Select(p => p.PartNumber).Max().Digits();
var chapterTracks = part.Tracks?.Where(t => !(track.Chapter is null) && object.ReferenceEquals(t.Chapter, track.Chapter)).ToList();
this.nChTrk = (chapterTracks?.IndexOf(track) ?? -1) + 1;
this.nnChTrk = chapterTracks?.Count.Digits() ?? 0;
if (book.PartsType == Book.EParts.some)
{
this.nTrk = (part.Tracks?.IndexOf(track) ?? -1) + 1;
this.nTrks = part.Tracks?.Count ?? 0;
this.nDsk = part.PartNumber;
this.nDsks = 0;
this.nChp = (part.Chapters?.IndexOf(track.Chapter) ?? -1) + 1;
this.nnChp = part.Chapters?.Count.Digits() ?? 0;
}
else
{
this.nTrk = book.Parts.Select(pt =>
{
if (pt != part)
{
if (pt.PartNumber < part.PartNumber)
{
return(pt.Tracks?.Count ?? 0);
}
else
{
return(0);
}
}
else
{
return((part.Tracks?.IndexOf(track) ?? -1) + 1);
}
}).Sum();
this.nTrks = book.Parts.Select(p => p.Tracks?.Count() ?? 0).Sum();
this.nDsks = book.Parts.Count;
this.nChp = book.Parts.Select(pt =>
{
if (pt != part)
{
if (pt.PartNumber < part.PartNumber)
{
return(pt.Chapters?.Count ?? 0);
}
else
{
return(0);
}
}
else
{
if (track.Chapter is null)
{
return(0);
}
else
{
return((pt.Chapters?.IndexOf(track.Chapter) ?? -1) + 1);
}
}
}).Sum();
this.nnChp = book.Parts.Select(p => p.Chapters?.Count ?? 0).Sum().Digits();
this.nDsk = book.PartsType == Book.EParts.none ? 1 : part.PartNumber;
}
this.nnTrk = this.nTrks.Digits();
}
