/// <inheritdoc />
Stream IFileProcessor.Process(FileProcessorInput fileInput)
{
if (fileInput == null)
{
throw new ArgumentException("fileInput cannot be null");
}
Stream optimizedFileStream = this.Process(fileInput);
return(optimizedFileStream);
}
/// <inheritdoc />
public override Stream Process(FileProcessorInput fileInput)
{
if (fileInput == null)
{
throw new ArgumentException("fileInput cannot be null");
}
byte[] imageBytes = this.GetByteArray(fileInput.FileStream);
string imageName = Guid.NewGuid().ToString();
OptimizeUploadWaitRequest optimizeUploadWaitRequest = new OptimizeUploadWaitRequest();
optimizeUploadWaitRequest.Lossy = this.lossyCompression;
if (this.preserveMetadata)
{
optimizeUploadWaitRequest.PreserveMeta = new PreserveMeta[] { PreserveMeta.Profile, PreserveMeta.Geotag, PreserveMeta.Date, PreserveMeta.Copyright, PreserveMeta.Orientation };
}
optimizeUploadWaitRequest.WebP = this.webpCompression;
using (var timeoutCancellationTokenSource = new CancellationTokenSource(TimeSpan.FromSeconds(timeoutDurationInSeconds)))
{
try
{
IApiResponse <OptimizeWaitResult> response = this.client.OptimizeWait(imageBytes, imageName, optimizeUploadWaitRequest, timeoutCancellationTokenSource.Token).Result;
if (!response.Success || response.StatusCode != HttpStatusCode.OK)
{
return(fileInput.FileStream);
}
Stream stream = this.GetImageStream(response.Body.KrakedUrl);
if (this.webpCompression)
{
fileInput.FileExtension = ".webp";
fileInput.MimeType = "image/webp";
}
return(stream);
}
catch (TaskCanceledException)
{
Log.Write("Image optimization has timed out. Default image stream was returned.", ConfigurationPolicy.ErrorLog);
return(fileInput.FileStream);
}
catch (Exception ex)
{
Log.Write(ex, ConfigurationPolicy.ErrorLog);
return(fileInput.FileStream);
}
}
}
/// <inheritdoc />
public virtual bool CanProcessFile(FileProcessorInput fileInput)
{
var disableImageOptimizationAppSetting = System.Configuration.ConfigurationManager.AppSettings[ImageOptimizationConstants.DisableImageOptimizationAppSettingKey];
bool disableImageOptimization;
if (bool.TryParse(disableImageOptimizationAppSetting, out disableImageOptimization) && disableImageOptimization)
{
return(false);
}
if (!this.hasInitialized || fileInput == null)
{
return(false);
}
if (!this.supportedExtensions.Contains(fileInput.FileExtension))
{
return(false);
}
return(true);
}
public override Stream Process(FileProcessorInput fileInput)
{
using (var timeoutCancellationTokenSource = new CancellationTokenSource(TimeSpan.FromSeconds(timeoutDurationInSeconds)))
{
try
{
if (fileInput == null)
{
throw new ArgumentException("fileInput cannot be null");
}
byte[] imageBytes = this.GetByteArray(fileInput.FileStream);
var sourceData = Tinify.FromBuffer(imageBytes);
if (this.preserveMetadata)
{
sourceData.Preserve(this.MetadataKeys);
}
var resultData = sourceData.ToBuffer().ContinueWith(t => t.GetAwaiter().GetResult(), timeoutCancellationTokenSource.Token).Result;
Stream stream = new MemoryStream(resultData);
return(stream);
}
catch (TaskCanceledException)
{
Log.Write("Image optimization has timed out. Default image stream was returned.", ConfigurationPolicy.ErrorLog);
return(fileInput.FileStream);
}
catch (Exception ex)
{
Log.Write(ex, ConfigurationPolicy.ErrorLog);
return(fileInput.FileStream);
}
}
}
/// <summary> /// Process the input file /// </summary> /// <param name="fileInput">The input file data and info.</param> /// <returns>Processed file output stream</returns> public abstract Stream Process(FileProcessorInput fileInput);
