private static async Task <bool> ValidateUrl(string url, string callbackUrl)
{
var urlParser = new UrlTypeParser();
var urlType = await urlParser.GetUrlType(url);
return(urlType != UrlType.Invalid);
}
private static async Task <bool> ProcessUrl(string url, string callbackUrl)
{
//get the type of the URL
var urlParser = new UrlTypeParser();
var urlType = await urlParser.GetUrlType(url);
string outputFile = System.IO.Path.Combine(System.IO.Path.GetTempPath(), $"{System.Guid.NewGuid()}.mp3");
//perform the appropriate processing
switch (urlType)
{
case UrlType.Direct:
outputFile = await new DirectDownloader().DownloadFromUrl(url, outputFile);
break;
default:
throw new UnknownUrlTypeException($"URL: {url}\n\tcannot be processed");
}
//and here is where it gets tricky
// upload it to the appropriate target
return(!string.IsNullOrEmpty(outputFile) &&
System.IO.File.Exists(outputFile));
}
public async Task <ActionResult <PodcastEntryViewModel> > Post([FromBody] PodcastEntryViewModel item)
{
if (!ModelState.IsValid)
{
return(BadRequest("Invalid podcast entry posted"));
}
PodcastEntry entry;
if (item.Id != null)
{
entry = await _repository.GetAsync(item.Id);
_mapper.Map(item, entry);
}
else
{
entry = _mapper.Map <PodcastEntryViewModel, PodcastEntry>(item);
}
if (entry is null)
{
return(BadRequest());
}
if (entry.ProcessingStatus == ProcessingStatus.Uploading ||
entry.ProcessingStatus == ProcessingStatus.Processed)
{
// we're editing an existing entry
await _repository.AddOrUpdateWithTags(entry);
await _unitOfWork.CompleteAsync();
var result = _mapper.Map <PodcastEntry, PodcastEntryViewModel>(entry);
return(Ok(result));
}
//we're adding a new entry
//TODO: This should return the properties bundle
//with the status as a member
var parser = new UrlTypeParser();
var urlType = await parser.GetUrlType(entry.SourceUrl);
if (!urlType.Equals(UrlType.Invalid) &&
!urlType.Equals(UrlType.Playlist) &&
!urlType.Equals(UrlType.Channel))
{
// check user quota
var result = await _preProcessor.PreProcessEntry(
_applicationUser,
entry);
switch (result)
{
case EntryProcessResult.QuotaExceeded:
return(StatusCode(402));
case EntryProcessResult.GeneralFailure:
return(BadRequest());
}
_repository.GetContext()
.Entry(entry)
.State = EntityState.Detached;
entry = await _repository.GetAsync(entry.Id);
return(_mapper.Map <PodcastEntry, PodcastEntryViewModel>(entry));
}
if (urlType.Equals(UrlType.Playlist))
{
entry.ProcessingStatus = ProcessingStatus.Deferred;
var result = _mapper.Map <PodcastEntry, PodcastEntryViewModel>(entry);
return(Accepted(result));
}
return(BadRequest("Failed to create podcast entry"));
}
