public JsonResult UploadFile(Enums.FileType fileType)
{
try
{
var file = Request.Files[0];
if (file == null)
{
return(new JsonContractResult
{
Data =
new { data = new ActionDetails {
ResponseCode = ResponseCode.ValidationError, Message = "file is not found"
} },
JsonRequestBehavior = JsonRequestBehavior.AllowGet
});
}
var name = Guid.NewGuid().ToString();
string extension = Path.GetExtension(file.FileName);
string filename = $"{name}{extension}";
// reduce original image size
Image.FromStream(file.InputStream).ReduceSize().Save($"{Server.MapPath("/Files/" + fileType.ToString() + "/")}{filename}");
//create thumb image
Image.FromStream(file.InputStream).CreateThumb().Save($"{Server.MapPath("/Files/" + fileType.ToString() + "/thumb/")}{filename}");
string filePath = $@"{GlobleConfig.baseUrl}/Files/{fileType.ToString()}/{name}{extension}";
return(new JsonContractResult
{
Data = new ActionDetails {
ResponseCode = ResponseCode.Success, Content = filePath, Message = filename
},
JsonRequestBehavior = JsonRequestBehavior.AllowGet
});
}
catch (Exception ex)
{
return(new JsonContractResult
{
Data = ResponseMessage.Error(ex, "file is not uploaded"),
JsonRequestBehavior = JsonRequestBehavior.AllowGet
});
}
}
/// <summary>
/// Upload file to the server storage and database
/// </summary>
/// <param name="file">Uploaded file</param>
/// <param name="fileType">Target use</param>
/// <returns>Success of operation</returns>
public async Task <int> UploadFile(IFormFile file, Enums.FileType fileType)
{
if (file == null)
{
return(-1);
}
_logger.LogTrace($"Upload file method stared with filetype = {fileType.ToString()} and filename = {file.FileName}");
_logger.LogTrace("Compute hash from file");
string hash = GetHashFromFile(file.OpenReadStream());
string dir1, dir2;
_logger.LogTrace($"New file hash = {hash}");
_logger.LogTrace("Determine path for new file");
switch (fileType)
{
case Enums.FileType.Document:
dir1 = _environment.WebRootPath + "/Files/Documents/";
break;
case Enums.FileType.Picture:
dir1 = _environment.WebRootPath + "/Files/Picture/";
break;
case Enums.FileType.ToStore:
default:
dir1 = _environment.WebRootPath + "/Files/Storage/";
break;
}
dir1 += $"{hash.Substring(0, 2)}";
dir2 = $"{dir1}/{hash.Substring(2, 2)}/";
_logger.LogTrace($"End directory path = {dir2}");
_logger.LogTrace("Create directories");
if (!Directory.Exists(dir1))
{
Directory.CreateDirectory(dir1);
Directory.CreateDirectory(dir2);
}
else if (!Directory.Exists(dir2))
{
Directory.CreateDirectory(dir2);
}
FileModel result = new FileModel
{
FileType = (int)fileType,
Name = file.FileName,
Path = dir2 + file.FileName
};
_logger.LogTrace("Create file entity");
_logger.LogTrace("Try to save file on disk");
using (var fileStream = new FileStream(result.Path, FileMode.Create))
{
try
{
await file.CopyToAsync(fileStream);
}
catch (Exception e)
{
_logger.LogError($"UploadFile method with file = {file.FileName}, hash = {hash} \n and final" +
$"path = {_environment.WebRootPath + result.Path} was thrown exception = {e.Message} \n " +
$"with stack trace = {e.StackTrace}");
throw;
}
}
await db.Files.AddAsync(result);
await db.SaveChangesAsync();
return(result.Id);
}