public async Task <BlobModel> GenerateBlobLink(Guid blobId, BlobCallback blobCallback)
{
ExceptionHelper.ThrowArgumentNullIfEmpty(blobId, nameof(blobId));
var blob = await _repository.GetById(blobId);
ExceptionHelper.ThrowNotFoundIfEmpty(blob, "Blob");
if (IsValidBlobLink(blob))
{
return(_mapper.Map <BlobModel>(blob));
}
var(url, expirationDate) = blobCallback(blob.UserId, blob.Name);
blob = await GenerateBlobLinkAndSave(blob, url, expirationDate);
return(_mapper.Map <BlobModel>(blob));
}
public async Task <IReadOnlyCollection <BlobModel> > GetBlobsByUserId(Guid userId, BlobCallback blobCallback)
{
ExceptionHelper.ThrowArgumentNullIfEmpty(userId, nameof(userId));
ExceptionHelper.ThrowParameterNullIfEmpty(blobCallback, "Blob callback");
var blobs = await _repository.GetAll()
.Include(q => q.BlobLink)
.Where(q => q.UserId == userId)
.ToArrayAsync();
foreach (var blob in blobs.Where(blob => !IsValidBlobLink(blob)))
{
var(url, expirationDate) = blobCallback(blob.UserId, blob.Name);
await GenerateBlobLinkAndSave(blob, url, expirationDate);
}
return(_mapper.Map <BlobModel[]>(blobs));
}
