public async Task <IActionResult> ChangeRegisterName([FromBody] ChangeRegisterNameRequest request)
{
var userIdString = JWTUtility.GetUserId(User);
if (userIdString == null)
{
return(BadRequest());
}
var userId = int.Parse(userIdString);
// Check if the register does belong to the user.
if (!await _registerService.DoesRegisterBelongToUser(userId, registerId: request.RegisterId))
{
return(BadRequest());
}
// Check if the new name is valid.
if (!FileNameUtility.FileFolderNameIsValid(request.NewName))
{
return(BadRequest(Texts.INVALID_FILE_NAME));
}
// Check if the new name already exists in the parent folder.
var parentFolderId = await _registerService.GetParentFolderForRegister(request.RegisterId);
if (await _registerService.DoesFileOrFolderAlreadyExist(userId, name: request.NewName, parentFolder: parentFolderId))
{
return(BadRequest(Texts.FILE_FOLDER_ALREADY_EXISTS));
}
var registerChanged = await _registerService.ChangeRegisterName(userId, request);
if (registerChanged == null)
{
return(StatusCode(statusCode: 500, value: Texts.ERROR_MODIFYING_REGISTER));
}
return(Ok(registerChanged));
}
public async Task <Register> ChangeRegisterName(int userId, ChangeRegisterNameRequest request)
{
var registerToChange = await _context.Register.Where(
register => register.Id == request.RegisterId && register.Author == userId
).FirstOrDefaultAsync();
if (registerToChange == null)
{
return(null);
}
var newRelativePath = GenerateNewRelativePathForChangeName(registerToChange, request.NewName);
if (registerToChange.IsFolder)
{
//Rename the folder with the service.
var folderChanged = await _userFilesService.MoveOrRenameFolder(registerToChange.PathOrUrl, newRelativePath);
if (!folderChanged)
{
return(null);
}
// Change the name of the register
registerToChange.Name = request.NewName;
//Replace the relative path of the register and its subregisters (recursively)
await ChangeRelativePathOfSubRegisters(
register : registerToChange,
oldRelativePath : registerToChange.PathOrUrl,
newRelativePath : newRelativePath
);
}
else
{
// Rename the file with the service.
var fileChanged = await _userFilesService.MoveOrRenameFile(registerToChange.PathOrUrl, newRelativePath);
if (!fileChanged)
{
return(null);
}
// Change the name and the path of the register.
registerToChange.Name = request.NewName;
registerToChange.PathOrUrl = registerToChange.PathOrUrl.Replace(
registerToChange.PathOrUrl, newRelativePath
);
_context.Register.Update(registerToChange);
}
var entriesWritten = await _context.SaveChangesAsync();
// To prevent a possible object cycle when serialize this object in the controller's response
registerToChange.InverseParentFolderNavigation = null;
if (entriesWritten > 0)
{
return(registerToChange);
}
return(null);
}