public Task <(bool Success, string FileName, Stream FileStream)> TryGetImageStream(string requestUrl, ThumbCropConfig config)
{
var filePath = ImageSourceTools.CleanFilePath(requestUrl, config.UrlPattern);
filePath = string.IsNullOrWhiteSpace(filePath)
? Path.Combine(config.BasePath, config.NotFoundFile)
: Path.Combine(config.BasePath, filePath);
if (string.IsNullOrWhiteSpace(filePath) || !File.Exists(filePath))
{
return(ImageSourceTools.None);
}
return(Task.FromResult <(bool Success, string FileName, Stream FileStream)>(
(true,
Path.GetFileName(filePath),
File.OpenRead(filePath))
));
}
public async Task <(bool Success, string FileName, Stream FileStream)> TryGetImageStream(string requestUrl, ThumbCropConfig config)
{
var filePath = ImageSourceTools.CleanFilePath(requestUrl, config.UrlPattern);
var fileName = Path.GetFileName(filePath);
var containerName = Path.GetDirectoryName(filePath);
if (!_containers.Contains(containerName))
{
return(await ImageSourceTools.None);
}
var container = GetContainer(containerName);
var blob = container.GetBlobReference(fileName);
if (!(await blob.ExistsAsync()))
{
return(await ImageSourceTools.None);
}
var memoryStream = new MemoryStream();
await blob.DownloadToStreamAsync(memoryStream);
memoryStream.Position = 0;
return(true, fileName, memoryStream);
}
