public async Task <IActionResult> Upload([FromRoute] string path, [FromForm] IEnumerable <IFormFile> files)
{
if (!ModelState.IsValid)
{
TempData[ERROR_MESSAGES] = "InvalidRequest";
return(RedirectToIndexWithQueryString());
}
var folder = await _storage.FindFolderAsync(path ?? string.Empty);
if (folder == null)
{
TempData[ERROR_MESSAGES] = $"NotFound:{path}";
return(RedirectToIndexWithQueryString());
}
var children = await _storage.GetFilesAsync(folder);
var errors = new List <string>();
var successes = new List <string>();
foreach (var file in files)
{
var name = file.FileName ?? file.Name;
if (children.Any(f => f.Name == name))
{
errors.Add($"Conflict:{name}");
continue;
}
try
{
using (var stream = file.OpenReadStream())
{
var added = await _storage.AddFileAsync(folder, name, file.ContentType, stream);
successes.Add($"Upload:{added.Name}");
}
}
catch (Exception)
{
errors.Add($"Unknown:{name}");
}
}
if (errors.Count > 0)
{
TempData[ERROR_MESSAGES] = TempData[ERROR_MESSAGES] + "," + string.Join(",", errors);
}
if (successes.Count > 0)
{
TempData[SUCCESS_MESSAGES] = string.Join(",", successes);
}
return(RedirectToIndexWithQueryString());
}
public async Task <IActionResult> Post(string path, IEnumerable <IFormFile> files)
{
var folder = await _storage.FindFolderAsync(path);
if (folder == null)
{
return(NotFound());
}
var children = await _storage.GetFilesAsync(folder);
var errors = new List <string>();
foreach (var file in files.Where(f => f.Length > 0))
{
if (children.Any(f => f.Name == file.Name))
{
errors.Add(file.FileName);
continue;
}
else
{
try
{
using (var stream = file.OpenReadStream())
{
await _storage.AddFileAsync(folder, file.FileName, file.ContentType, stream);
}
}
catch (Exception)
{
errors.Add(file.FileName);
}
}
}
return(Ok(new FileUploadViewModel
{
Count = files.Count() - errors.Count,
Size = files.Sum(f => f.Length),
Errors = errors
}));
}
public async Task <bool> LockAsync(string name)
{
var folder = await _storage.FindFolderAsync("/locks");
if (folder == null)
{
var home = await _storage.GetHomeAsync();
folder = await _storage.AddFolderAsync(home, "locks");
}
try
{
await _storage.AddFileAsync(folder, name, "text/plain", new MemoryStream(new byte[] { 0 }));
return(true);
}
catch
{
return(false);
}
}
