private string GetDamId(User user, Chapter chapter)
{
return string.Concat(
user.AudioVolumeCode,
GetCollectionId(chapter),
user.IsDramaticAudioSelected ? '2' : '1',
MediaType);
}
private char GetCollectionId(Chapter chapter)
{
return GetCollectionId(chapter.Book.Group);
}
private async Task<string> GetAudioUrl(User user, Chapter chapter)
{
var restClient = CreateDbtRestClient();
var request = new RestRequest("audio/path");
request.AddParameter("dam_id", GetDamId(user, chapter));
request.AddParameter("book_id", chapter.Book.DbpId);
request.AddParameter("chapter_id", chapter.ChapterNumber);
var response = await restClient.ExecuteGetTaskAsync<List<AudioPath>>(request);
var path = response.Data.FirstOrDefault();
if (path == null)
{
throw new Exception("Unable to determine audio URL.");
}
return path.Path;
}