public async Task <IronFile> GetFileFromFileSystem(string fileName)
{
var result = new IronFile();
try
{
var pathFolderStorage = _configuration["FolderStorage"];
var filePath = Path.Combine(pathFolderStorage, fileName);
using (MemoryStream fileStream = new MemoryStream())
{
using (FileStream file = new FileStream(filePath, FileMode.Open, FileAccess.Read))
await file.CopyToAsync(fileStream);
result.Metadata = fileStream.ToArray();
}
var provider = new FileExtensionContentTypeProvider();
string contentType;
if (!provider.TryGetContentType(fileName, out contentType))
{
contentType = "application/octet-stream";
}
result.ContentType = contentType;
result.FileName = fileName;
result.Path = filePath;
result.Success = true;
}
catch (Exception ex)
{
_logger.Error(ex, $"Error getting file {fileName} from file system");
}
return(result);
}
public async Task <IronFile> DownloadAndSaveFromUrl(string url)
{
IronFile fileResult = new IronFile();
if (string.IsNullOrEmpty(url))
{
return(fileResult);
}
try
{
byte[] fileArray = null;
using (var client = new HttpClient())
{
using (var result = await client.GetAsync(url))
if (result.IsSuccessStatusCode)
{
fileArray = await result.Content.ReadAsByteArrayAsync();
}
}
if (fileArray != null)
{
var fileExtension = Path.GetExtension(url);
var pathFolderStorage = _configuration["FolderStorage"];
string fileName = Guid.NewGuid().ToString() + fileExtension;
var pathAbsolute = Path.Combine(pathFolderStorage, fileName);
using (FileStream fs = System.IO.File.Create(pathAbsolute))
{
await fs.WriteAsync(fileArray, 0, fileArray.Length);
}
fileResult.Path = pathAbsolute;
fileResult.FileName = fileName;
fileResult.Success = true;
}
}
catch (Exception ex)
{
_logger.Error(ex, $"Download Error. Url { url }");
}
return(fileResult);
}
public async Task <IronFile> DownloadAndSaveFromForm(IFormFile file)
{
IronFile result = new IronFile();
try
{
var fileExtension = Path.GetExtension(file.FileName);
var pathFolderStorage = _configuration["FolderStorage"];
var newFile = Guid.NewGuid().ToString() + fileExtension;
var pathAbsolute = Path.Combine(pathFolderStorage, newFile);
byte[] arrayFile;
using (var memoryStream = new MemoryStream())
{
await file.CopyToAsync(memoryStream);
arrayFile = memoryStream.ToArray();
}
using (FileStream fs = System.IO.File.Create(pathAbsolute))
{
await fs.WriteAsync(arrayFile, 0, arrayFile.Length);
}
result.Path = pathAbsolute;
result.FileName = newFile;
result.Success = true;
}
catch (Exception ex)
{
_logger.Error(ex, "Download Error from Form");
}
return(result);
}