public async Task <IActionResult> ResizeImage(
[FromQuery] ResizeRequestModel requestModel,
[FromServices] IWebHostEnvironment env,
[FromServices] StorageService storage,
[FromServices] ImageConverter converter
)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
(var fileExists, var blobFile) = await storage.TryGetFile(requestModel.Name);
if (!fileExists)
{
return(NotFound());
}
var options = ConversionOptionsFactory.FromResizeRequest(requestModel);
var imageSource = await storage.GetBlobBytes(blobFile);
var result = await converter.Convert(imageSource, options);
if (result.Length == 0)
{
return(BadRequest("Could not convert file."));
}
return(File(result, options.TargetMimeType));
}
public async Task <IActionResult> ResizeImage(
[FromQuery] ResizeRequestModel requestModel,
[FromServices] IHostingEnvironment env,
[FromServices] StorageService storage,
[FromServices] ImageConverter converter
)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var options = ConversionOptionsFactory.FromResizeRequest(requestModel);
(var cacheExists, var cacheFile) = await storage.TryGetFileCached(options.GetCacheKey());
if (cacheExists)
{
// validar Etag
if (IsEtagNotModified(Request, cacheFile.Properties.ETag))
{
return(new NotModifiedResult(
cacheFile.Properties.LastModified.GetValueOrDefault().UtcDateTime,
cacheFile.Properties.ETag));
}
var cacheContent = await storage.GetBlobBytes(cacheFile);
return(File(cacheContent, cacheFile.Properties.ContentType,
cacheFile.Properties.LastModified.GetValueOrDefault().UtcDateTime,
new EntityTagHeaderValue(cacheFile.Properties.ETag)));
}
(var fileExists, var blobFile) = await storage.TryGetFile(requestModel.Name);
if (fileExists == false)
{
return(NotFound());
}
var imageSource = await storage.GetBlobBytes(blobFile);
var result = await converter.Convert(imageSource, options);
if (result.Length == 0)
{
return(BadRequest("Could not convert file."));
}
// Salvar a imagem convertida em um blob separado
(var uploadOk, var savedFile) = await storage.TryUploadToCache(options.GetCacheKey(),
result, options.TargetMimeType);
return(File(result, savedFile.Properties.ContentType,
savedFile.Properties.LastModified.GetValueOrDefault().UtcDateTime,
new EntityTagHeaderValue(savedFile.Properties.ETag)));
}
