public void CancelEditAnswer()
{
if (editingAnswer == null) return;
editingAnswer.EditedBody = editingAnswer.Body;
editingAnswer.IsEdit = false;
editingAnswer = null;
}
public async void RemoveAnswer(Answer answer)
{
if (MessageBox.Show(AppResources.Confirm_RemoveAnswer, AppResources.Confirm_Title, MessageBoxButton.OKCancel) != MessageBoxResult.OK)
return;
await RunTaskAsync(async () =>
{
await answerRestService.Remove(answer.AnswerId);
await PopulateQuestion();
});
}
public void EditAnswer(Answer answer)
{
answer.IsEdit = true;
editingAnswer = answer;
}
public async void UnmarkAsAccepted(Answer answer)
{
await RunTaskAsync(async () =>
{
await answerRestService.UnmarkAsAccepted(answer.AnswerId);
await PopulateQuestion();
}, busy => answer.IsVotingBusy = busy);
}
public async void MarkAsAccepted(Answer answer)
{
await RunTaskAsync(async () =>
{
//Only one answer can be accepted.
Answer accepted = Answers.FirstOrDefault(x => x.IsAccepted);
if (accepted != null)
{
await answerRestService.UnmarkAsAccepted(answer.AnswerId);
}
else
{
await answerRestService.MarkAsAccepted(answer.AnswerId);
}
await PopulateQuestion();
}, busy => answer.IsVotingBusy = busy);
}
public async void AnswerDown(Answer answer)
{
if (!appSettings.IsAuthenticated)
{
navigationService.UriFor<Login.LoginViewModel>().Navigate();
return;
}
await RunTaskAsync(async () =>
{
bool alreadyVotedDown = answer.Votes.Any(x => x.Key == appSettings.UserId && x.Value == VoteDirection.Down);
if (alreadyVotedDown)
{
await answerRestService.Unvote(answer.AnswerId);
}
else
{
await answerRestService.VoteDown(answer.AnswerId);
}
await PopulateQuestion();
}, (busy) => answer.IsVotingBusy = busy);
}
private static void UpdateAnswer(Answer localAnswer, Answer remoteAnswer)
{
localAnswer.Author = remoteAnswer.Author;
localAnswer.Body = remoteAnswer.Body;
localAnswer.CreatedAt = remoteAnswer.CreatedAt;
localAnswer.EditedAt = remoteAnswer.EditedAt;
localAnswer.EditedBody = remoteAnswer.EditedBody;
localAnswer.IsAccepted = remoteAnswer.IsAccepted;
localAnswer.IsEdit = false;
localAnswer.QuestionId = remoteAnswer.QuestionId;
localAnswer.Rating = remoteAnswer.Rating;
localAnswer.Votes = remoteAnswer.Votes;
}