public async Task <IActionResult> AddVersion([FromForm] string request, IFormFile file)
{
try
{
if (file == null || file.Length == 0)
{
return(BadRequest());
}
var userKey = _contextAccessor.UserKeyFromContext();
var addVersionToFileRequest = JsonSerializer.Deserialize <AddVersionToFileRequest>(request, new JsonSerializerOptions {
PropertyNameCaseInsensitive = true
});
bool userCanAccessFile = await UserCanAccessFile(userKey, addVersionToFileRequest.Key, _hiarcDatabase, AccessLevelGroup.UploadOnlyOrHigher);
if (userCanAccessFile)
{
var originalFile = await _hiarcDatabase.GetFile(addVersionToFileRequest.Key);
// check that new version is the same file extension as the original
if (Path.GetExtension(originalFile.Name) != Path.GetExtension(file.FileName))
{
_logger.LogError("Attemped to upload new version of file with incorrect file extension");
return(BadRequest($"New version file extension must be '{Path.GetExtension(originalFile.Name)}'"));
}
IStorageService storageService;
if (addVersionToFileRequest.StorageService == null)
{
// if the request StorageService property is null then use the StorageService from the previous version (i.e. stays in the same service)
var latestFileVersion = await _hiarcDatabase.GetLatestVersionForFile(addVersionToFileRequest.Key);
storageService = _storageServiceProvider.Service(latestFileVersion.StorageService);
}
else
{
storageService = _storageServiceProvider.Service(addVersionToFileRequest.StorageService);
}
IFileInformation versionInfo = null;
using var stream = file.OpenReadStream();
versionInfo = await storageService.StoreFile(stream);
var updatedFile = await _hiarcDatabase.AddVersionToFile(originalFile.Key, storageService.Name, versionInfo.StorageIdentifier, userKey);
var uri = $"{_hiarcSettings.BaseUri}/files/{originalFile.Key}";
return(Created(uri, updatedFile));
}
else
{
return(StatusCode(StatusCodes.Status403Forbidden));
}
}
catch (Exception ex)
{
return(BuildErrorResponse(ex, _logger));
}
}