public async Task <List <string> > GetImagesFromDiskAsync(int userId, ImageRelationType relationType, int ownerId)
{
string contentRootPath = _hostingEnvironment.ContentRootPath;
var userPath = Path.Combine(contentRootPath, "uploads", userId.ToString());
var path = Path.Combine(userPath, relationType.ToString(), ownerId.ToString());
if (Directory.Exists(path))
{
var fileNames = Directory.GetFiles(path, "*.jpg");
var images = new List <string>();
foreach (var fileName in fileNames)
{
var filePath = Path.Combine(path, fileName);
FileInfo fileInfo = new FileInfo(filePath);
byte[] image = new byte[fileInfo.Length];
using (FileStream fs = fileInfo.OpenRead())
{
await fs.ReadAsync(image, 0, image.Length);
}
images.Add(Convert.ToBase64String(image));
}
return(images);
}
return(null);
}
public async Task SaveImagesToDiskAsync(int userId, ImageRelationType relationType, int ownerId, List <UploadImage> images)
{
try
{
foreach (var image in images)
{
if (image.Image.Length > 0)
{
var extension = Path.GetExtension(image.FileName);
var fileName = Guid.NewGuid().ToString() + extension;
var path = Path.Combine(new[]
{
userId.ToString(), relationType.ToString(), ownerId.ToString(), fileName
});
CloudBlockBlob blockBlob = _container.GetBlockBlobReference(path);
await blockBlob.UploadFromByteArrayAsync(image.Image, 0, image.Image.Length);
}
}
_logger.LogInformation("{0} images saved to blob storage. Images count: {1}", relationType.ToString(), images.Count);
}
catch (Exception exception)
{
_logger.LogError(exception.Message);
}
}
public async Task SaveImagesToDiskAsync(int userId, ImageRelationType relationType, int ownerId, List <UploadImage> images)
{
string contentRootPath = _hostingEnvironment.ContentRootPath;
var userPath = Path.Combine(contentRootPath, "uploads", userId.ToString());
var path = Path.Combine(userPath, relationType.ToString(), ownerId.ToString());
Directory.CreateDirectory(path);
foreach (var image in images)
{
if (image.Image.Length > 0)
{
var extension = Path.GetExtension(image.FileName);
var fileName = Guid.NewGuid().ToString() + extension;
var filePath = Path.Combine(path, fileName);
using (var sourceStream = File.Open(filePath, FileMode.OpenOrCreate))
{
sourceStream.Seek(0, SeekOrigin.End);
await sourceStream.WriteAsync(image.Image, 0, image.Image.Length);
}
//using (var fileStream = new FileStream(filePath, FileMode.Create))
//{
// await image.CopyToAsync(fileStream);
//}
}
}
}
public async Task <List <string> > GetImagesFromDiskAsync(int userId, ImageRelationType relationType, int ownerId)
{
var images = new List <string>();
var path = string.Format("{0}/{1}/{2}/", userId, relationType.ToString(), ownerId);
BlobContinuationToken token = null;
do
{
var directory = _container.GetDirectoryReference(path);
BlobResultSegment resultSegment = await directory.ListBlobsSegmentedAsync(token);
token = resultSegment.ContinuationToken;
foreach (IListBlobItem item in resultSegment.Results)
{
if (item.GetType() == typeof(CloudBlockBlob))
{
string image;
CloudBlockBlob blob = (CloudBlockBlob)item;
using (MemoryStream ms = new MemoryStream())
{
await blob.DownloadToStreamAsync(ms);
image = Convert.ToBase64String(ms.ToArray());
}
images.Add(image);
}
}
} while (token != null);
return(images);
}