public async Task <ResultService <(File File, Stream Stream)> > GetFileToUser(IFileServiceLogger fileServiceLogger, string userKey, string userFileKey)
{
fileServiceLogger.LogInfo($"Dewey.Dms.FileService.Services.GetFileToUser(userKey={userKey},userFileKey={userFileKey}");
try
{
User user = await _databaseService.GetUser(userKey);
if (user == null)
{
fileServiceLogger.LogInfo(
$"Dewey.Dms.FileService.Services.GetFileToUser(userKey={userKey},userFileKey={userFileKey}) - No such user");
return(ResultService <(File, Stream)> .Error($"No such user {userKey}"));
}
File file = await _databaseService.GetFile(userFileKey);
if (file == null)
{
fileServiceLogger.LogDebug(
$"Dewey.Dms.FileService.Services.GetInfoFile(userKey={userKey},userFileKey={userFileKey}: No such file");
return(ResultService <(File, Stream)> .Error("No such file"));
}
if (file.KeyUser != userKey)
{
fileServiceLogger.LogDebug(
$"Dewey.Dms.FileService.Services.GetInfoFile(userKey={userKey},userFileKey={userFileKey}: Perimission denied");
return(ResultService <(File, Stream)> .Error("No such file"));
}
MemoryStream streamToRead = new MemoryStream();
streamToRead.Position = 0;
bool result = _hdfsClient.ReadStream(streamToRead, $"/dewey/{file.LongKey}").Result;
if (!result)
{
fileServiceLogger.LogInfo(
$"Dewey.Dms.FileService.Services.GetFileToUser(userKey={userKey},userFileKey={userFileKey}) - Problem reading file");
return(ResultService <(File, Stream)> .Error($"Internal server error"));
}
streamToRead.Position = 0;
return(ResultService <(File, Stream)> .Ok((file, streamToRead)));
}
catch (Exception ex)
{
fileServiceLogger.LogError(
$"Dewey.Dms.FileService.Services.GetFileToUser(userKey={userKey},userFileKey={userFileKey})", ex);
return(ResultService <(File, Stream)> .Error($"Internal server error"));
}
}
public async Task <ResultService <File> > GetInfoFile(IFileServiceLogger fileServiceLogger, string userKey, string userFileKey)
{
fileServiceLogger.LogInfo($"Dewey.Dms.FileService.Services.GetInfoFile(userKey={userKey},userFileKey={userFileKey}");
try
{
User user = await _databaseService.GetUser(userKey);
if (user == null)
{
return(ResultService <File> .Error($"No such user {userKey}"));
}
File file = await _databaseService.GetFile(userFileKey);
if (file == null)
{
fileServiceLogger.LogDebug(
$"Dewey.Dms.FileService.Services.GetInfoFile(userKey={userKey},userFileKey={userFileKey}: No such file");
return(ResultService <File> .Error("No such file"));
}
if (file.KeyUser == userKey)
{
return(ResultService <File> .Ok(file));
}
else
{
fileServiceLogger.LogDebug(
$"Dewey.Dms.FileService.Services.GetInfoFile(userKey={userKey},userFileKey={userFileKey}: Permission denied to file");
return(ResultService <File> .Error("No such file"));
}
}
catch (Exception ex)
{
fileServiceLogger.LogError($"Dewey.Dms.FileService.Services.GetInfoFile(userKey={userKey},userFileKey={userFileKey}", ex);
return(ResultService <File> .Error("Internal server error"));
}
}
public async Task <ResultService <File> > ChangeFileToUser(IFileServiceLogger fileServiceLogger, string userKey,
string userFileKey, Stream stream, string fileName, string extension)
{
fileServiceLogger.LogInfo($"Dewey.Dms.FileService.Services.ChangeFileToUser(userKey={userKey}, userFileKey={userFileKey}, fileName={fileName},extension={extension})");
try
{
User user = await _databaseService.GetUser(userKey);
if (user == null)
{
fileServiceLogger.LogInfo(
$"Dewey.Dms.FileService.Services.ChangeFileToUser(userKey={userKey}, userFileKey={userFileKey},fileName={fileName},extension={extension}) - no such user");
return(ResultService <File> .Error($"No such user {userKey}"));
}
File file = await _databaseService.GetFile(userFileKey);
if (file == null)
{
fileServiceLogger.LogDebug(
$"Dewey.Dms.FileService.Services.ChangeFileToUser(userKey={userKey}, userFileKey={userFileKey},fileName={fileName},extension={extension}): No such file");
return(ResultService <File> .Error("No such file"));
}
if (file.KeyUser != userKey)
{
fileServiceLogger.LogDebug(
$"Dewey.Dms.FileService.Services.ChangeFileToUser(userKey={userKey}, userFileKey={userFileKey},fileName={fileName},extension={extension}): Permission denied to file");
return(ResultService <File> .Error("No such file"));
}
ResultService <ChangeFileOperations> resultChangeFileOperations =
ChangeFileOperations.CreateFileOperations(file)
.NextResult(a => a.ChangeFileName(fileName))
.NextResult(a => a.ChangeExtension(extension));
ChangeFileOperations changeFileOperations = resultChangeFileOperations.Value;
if (resultChangeFileOperations.IsError)
{
fileServiceLogger.LogDebug(
$"Dewey.Dms.FileService.Services.ChangeFileToUser(userKey={userKey}, userFileKey={userFileKey},fileName={fileName},extension={extension}): {resultChangeFileOperations.ErrorMessage}");
return(ResultService <File> .Error(resultChangeFileOperations.ErrorMessage));
}
bool result = await _hdfsClient.WriteStream(stream, $"/dewey/{changeFileOperations.Key}");
if (!result)
{
fileServiceLogger.LogInfo(
$"Dewey.Dms.FileService.Services.ChangeFileToUser(userKey={userKey}, userFileKey={userFileKey},fileName={fileName},extension={extension}):- problem writing file");
return(ResultService <File> .Error($"Internal server error"));
}
await _databaseService.DoFileOperations(changeFileOperations);
File fileChange = await _databaseService.GetFile(changeFileOperations.KeyUserFile);
if (fileChange == null)
{
fileServiceLogger.LogInfo(
$"Dewey.Dms.FileService.Services.ChangeFileToUser(userKey={userKey}, userFileKey={userFileKey},fileName={fileName},extension={extension}):- problem with read updating file");
return(ResultService <File> .Error($"Internal server error"));
}
return(ResultService <File> .Ok(fileChange));
}
catch (Exception ex)
{
fileServiceLogger.LogError(
$"Dewey.Dms.FileService.Services.AddFileToUser(userKey={userKey}, userFileKey={userFileKey},fileName={fileName},extension={extension})", ex);
return(ResultService <File> .Error("Internal server error"));
}
}
public async Task <ResultService <File> > DeleteFileToUser(IFileServiceLogger fileServiceLogger, string userKey, string userFileKey)
{
try
{
User user = await _databaseService.GetUser(userKey);
if (user == null)
{
fileServiceLogger.LogDebug(
$"Dewey.Dms.FileService.Services.GetInfoFile(userKey={userKey},userFileKey={userFileKey}) - no such user");
return(ResultService <File> .Error($"No such user {userKey}"));
}
File file = await _databaseService.GetFile(userFileKey);
if (file == null)
{
fileServiceLogger.LogDebug(
$"Dewey.Dms.FileService.Services.GetInfoFile(userKey={userKey},userFileKey={userFileKey}: No such file");
return(ResultService <File> .Error("No such file"));
}
if (file.KeyUser != userKey)
{
fileServiceLogger.LogDebug(
$"Dewey.Dms.FileService.Services.GetInfoFile(userKey={userKey},userFileKey={userFileKey}: Permission denied to file");
return(ResultService <File> .Error("No such file"));
}
ResultService <DeleteFileOperations> resultDeleteFileOperations =
DeleteFileOperations.CreateFileOperations(file);
if (resultDeleteFileOperations.IsError)
{
fileServiceLogger.LogDebug(
$"Dewey.Dms.FileService.Services.GetInfoFile(userKey={userKey},userFileKey={userFileKey}: {resultDeleteFileOperations.ErrorMessage}");
return(ResultService <File> .Error(resultDeleteFileOperations.ErrorMessage));
}
DeleteFileOperations deleteFileOperations = resultDeleteFileOperations.Value;
await _databaseService.DoFileOperations(deleteFileOperations);
File fileDelete = await _databaseService.GetFile(userFileKey);
if (fileDelete == null)
{
fileServiceLogger.LogDebug(
$"Dewey.Dms.FileService.Services.GetInfoFile(userKey={userKey},userFileKey={userFileKey}: Problem with reading deleted file");
return(ResultService <File> .Error("Internal Error"));
}
return(ResultService <File> .Ok(fileDelete));
}
catch (Exception ex)
{
fileServiceLogger.LogError(
$"Dewey.Dms.FileService.Services.GetInfoFile(userKey={userKey},userFileKey={userFileKey}", ex);
return(ResultService <File> .Error("Internal server error"));
}
}