public async Task <String> Update(Poster poster)
{
if (!_dbUpdater.CanUpdate(poster))
{
throw new Exception($"Can't update concert with ID: {poster.eventId}");
}
var image = _reader.GetImage(poster);
_log.LogInformation($"Image compressed from {poster.imageUrl}");
var guid = _guidProvider.NewGuid();
var imageName = $"{guid}.jpg";
_log.LogInformation("Image name: {@imageName}", imageName);
var imageUrl = "testImage";
try
{
imageUrl = await _storage.PutObjectAsync(image, imageName);
}
catch (Exception e)
{
_log.LogError("Exception when updating poster: {@e}", e);
}
_log.LogInformation("Image uploaded to Yandex Object Storage");
_log.LogInformation("Image URL: {@imageUrl}", imageUrl);
_dbUpdater.Update(poster, imageUrl);
return(imageUrl);
}
public byte[] GetImage(Poster poster)
{
var imageUrl = poster.imageUrl;
using (var webClient = new WebClient())
{
using (var inputStream = webClient.OpenRead(imageUrl))
{
using (MagickImage outputImage = new MagickImage(inputStream))
{
outputImage.Format = MagickFormat.Jpeg;
MagickGeometry size = new MagickGeometry(1000, 1000);
outputImage.Resize(size);
var byteArray = outputImage.ToByteArray();
var compressedStream = new MemoryStream(byteArray);
ImageOptimizer optimizer = new ImageOptimizer();
optimizer.Compress(compressedStream);
using (MagickImage compressedImage = new MagickImage(compressedStream))
{
return(compressedImage.ToByteArray());
}
}
}
}
}
public void Update(Poster poster, String imageUri)
{
var concert = _db.Events.FirstOrDefault(e => e.Id == poster.eventId);
if (concert == null)
{
throw new Exception($"No concert found by ID: {poster.eventId}");
}
concert.PosterUrl = imageUri;
_db.Events.Update(concert);
_db.SaveChanges();
_log.LogInformation("Event updated: {@concert}", concert);
}
public async Task <String> Update(Poster poster)
{
if (!_dbUpdater.CanUpdate(poster))
{
throw new Exception($"Can't update concert with ID: {poster.eventId}");
}
var image = _reader.GetImage(poster);
_log.LogInformation($"Image compressed from {poster.imageUrl}");
var guid = _guidProvider.NewGuid();
var imageName = $"{guid}.jpg";
_log.LogInformation("Image name: {@imageName}", imageName);
var imageUrl = "testImage";
try
{
var answer = await _storage.PutObjectAsync(image, imageName);
if (answer.IsSuccessStatusCode)
{
imageUrl = answer.Result;
}
else
{
throw new BadHttpRequestException("Answer from Yandex was: {0}", (int)answer.StatusCode, new Exception(answer.Error));
}
}
catch (Exception e)
{
_log.LogError("Exception when updating poster: {@e}", e);
}
_log.LogInformation("Image uploaded to Yandex Object Storage");
_log.LogInformation("Image URL: {@imageUrl}", imageUrl);
_dbUpdater.Update(poster, imageUrl);
return(imageUrl);
}
public bool CanUpdate(Poster poster)
{
var concert = _db.Events.FirstOrDefault(e => e.Id == poster.eventId);
return(concert != null);
}
