public async Task UploadThumbnailImageAsync(int id, MemoryStream stream, string fileExtension, CancellationToken cancellationToken)
{
var uniqueFileName = Convert.ToString(Guid.NewGuid());
var directoryPath = Path.Combine(_environment.WebRootPath, ItemCardConstants.thumbnailsMainDirectory, $@"{ItemCardConstants.categorySubdirectoryPrefix}{id}");
_fileProcessingService.CreateDirectory(directoryPath);
var image = Image.FromStream(stream);
var pathForImage = Path.Combine(directoryPath, $@"{uniqueFileName + fileExtension}");
_fileProcessingService.CreateScaledImage(image, pathForImage, ItemCardConstants.thumbnailImageSize, ItemCardConstants.thumbnailImageSize);
var itemCardRepository = _unitOfWork.GetRepository <DAL.Model.ItemCard>();
var itemCardRecord = await itemCardRepository.FindAsync(id).ConfigureAwait(false);
if (itemCardRecord == null)
{
return;
}
if (!string.IsNullOrWhiteSpace(itemCardRecord.ThumbnailImagePath))
{
var oldImagePath = Path.Combine(_environment.WebRootPath, itemCardRecord.ThumbnailImagePath);
_fileProcessingService.DeleteFile(oldImagePath);
}
itemCardRecord.ThumbnailImagePath = Path.Combine(ItemCardConstants.thumbnailsMainDirectory, $@"{ItemCardConstants.categorySubdirectoryPrefix}{id}", $@"{uniqueFileName + fileExtension}");
await _unitOfWork.SaveChangesAsync();
}
public async Task DeleteImageAsync(int id, CancellationToken cancellationToken)
{
var itemCardImageRepository = _unitOfWork.GetRepository <ItemCardImage>();
var itemCardImageRecord = await itemCardImageRepository.FindAsync(id).ConfigureAwait(false);
if (itemCardImageRecord == null)
{
return;
}
if (!string.IsNullOrWhiteSpace(itemCardImageRecord.ImagePath))
{
var oldImagePath = Path.Combine(_environment.WebRootPath, itemCardImageRecord.ImagePath);
_fileProcessingService.DeleteFile(oldImagePath);
}
itemCardImageRepository.Delete(itemCardImageRecord);
await _unitOfWork.SaveChangesAsync().ConfigureAwait(false);
}