public bool ProcessRequest(IUserSessionRequest <IUserSessionData> request, out IResponse response)
{
ErrorMessage error;
if (!_validator.IsValid(request, out error))
{
response = new UserSessionResponse().SetErrorResponse(error);
return(false);
}
if (!_sessionRequestProcessor.TryProcess(request, out response) && response != null)
{
return(false);
}
var requestType = request.RequestType;
if (request.RequestType == RequestType.Read || request.RequestType == RequestType.ReadAll)
{
response = ReadFromState(request.Payload ??
(IUserSessionData)Activator.CreateInstance(request.PayloadType));
}
else
{
ApplyToState(requestType, response);
}
return(true);
}
public bool TryProcess(IUserSessionRequest <IUserSessionData> request, out IResponse response)
{
switch (request.RequestType)
{
case RequestType.Create:
return(TryPersistRecord(request.Payload, out response));
case RequestType.Update:
return(TryUpdateRecord(request.Payload, out response));
case RequestType.Delete:
return(TryDeleteRecord(request.Payload, out response));
case RequestType.Read:
case RequestType.ReadAll:
{
//There's no real processing to do here
response = null;
return(true);
}
default:
{
var errorMessage = new ErrorMessage(ErrorCode.RequestTypeNotSupported);
response = new UserSessionResponse().SetErrorResponse(errorMessage);
return(false);
}
}
}
public bool IsValid(IUserSessionRequest <IUserSessionData> request, out ErrorMessage errorMessage)
{
errorMessage = null;
var requestData = request.Payload;
var requestUserId = request.UserId;
if (!requestUserId.HasValue || requestUserId != _user.UserId)
{
errorMessage = new ErrorMessage(ErrorCode.UserSessionNotFound);
return(false);
}
if (requestData == null && request.RequestType == RequestType.ReadAll)
{
//This is a request for all data of a particular kind and requires no validation
return(true);
}
if (requestData is NopePet)
{
return(_petRegistrationValidator.IsValid(_user, (NopePet)request.Payload, out errorMessage));
}
if (requestData is UserPetCareAction)
{
var petCareActionData = (UserPetCareAction)requestData;
return(IsUsersPet(petCareActionData.PetId, requestUserId.Value, out errorMessage) &&
_petCareActionValidator.IsValid(_user, petCareActionData, out errorMessage));
}
errorMessage = new ErrorMessage(ErrorCode.RequestTypeNotSupported);
return(false);
}
