public void Save()
{
var correlationId = Guid.NewGuid();
var auditDate = DateTime.UtcNow;
foreach (var item in _trackedItems)
{
var updated = item.Operation == AuditOperation.Delete ? null : _stateService.GetState(item.TrackedEntity);
var initialState = item.InitialState == null ? null : JsonConvert.SerializeObject(item.InitialState);
var updatedState = updated == null ? null : JsonConvert.SerializeObject(updated);
var diff = _diffService.GenerateDiff(item.InitialState, updated);
var audit = new Audit
{
Id = Guid.NewGuid(),
EntityType = item.TrackedEntity.GetType().Name,
EntityId = item.TrackedEntity.Id,
UserId = _userId,
UserName = _userName,
UserAction = _userAction.ToString(),
AuditDate = auditDate,
InitialState = initialState,
UpdatedState = updatedState,
Diff = JsonConvert.SerializeObject(diff),
CorrelationId = correlationId
};
_auditRepository.Add(audit);
}
}
public async Task Handle(EntityStateChangedEvent message, IMessageHandlerContext context)
{
var initialState = message.InitialState == null ? null : JsonConvert.DeserializeObject <Dictionary <string, object> >(message.InitialState);
var updatedState = message.UpdatedState == null ? null : JsonConvert.DeserializeObject <Dictionary <string, object> >(message.UpdatedState);
var diff = _diffService.GenerateDiff(initialState, updatedState);
if (diff.Count == 0)
{
return;
}
await _mediator.Send(new AddHistoryCommand
{
CorrelationId = message.CorrelationId,
StateChangeType = message.StateChangeType,
EntityId = message.EntityId,
InitialState = message.InitialState,
UpdatedState = message.UpdatedState,
UpdatedOn = message.UpdatedOn,
UpdatingUserName = message.UpdatingUserName,
UpdatingParty = message.UpdatingParty,
UpdatingUserId = message.UpdatingUserId,
EmployerAccountId = message.EmployerAccountId,
ProviderId = message.ProviderId,
EntityType = message.EntityType,
Diff = JsonConvert.SerializeObject(diff)
});
}