private async void CommandCreateAction()
{
HasActiveTask = true;
var segment = _entity.Content.FirstOrDefault(x => x.Type == ContentSegmentType.Text);
if (segment != null)
segment.Text = segment.Text?.Trim();
try
{
if (_entity.ID == null)
_entity = await _client.CreatePostAsync(_userID, _entity, CancellationToken.None);
else
_entity = await _client.UpdatePostAsync(_userID, _entity.ID, _entity, CancellationToken.None);
NavigationService.GoBack();
}
catch (TaskCanceledException)
{
}
catch (Exception ex)
{
var template = new DialogTemplate
{
Title = "Something went wrong",
Content = $"There is a problem sending your status. Inquiring minds may find this information helpful: {ex.Message}",
PrimaryButtonText = "Close"
};
await _dialogService.ShowAsync(template);
}
HasActiveTask = false;
}
public sealed override async void OnNavigatedTo(NavigatedToEventArgs e, Dictionary<string, object> parameters)
{
base.OnNavigatedTo(e, parameters);
_userID = parameters[NavigationParameters.UserID] as string;
_entity = parameters[NavigationParameters.PostEntity] as Post;
if (e.NavigationMode == NavigationMode.Back)
await PopulateDataAsync();
else
OnEntityUpdated();
}
public sealed override void OnNavigatedTo(NavigatedToEventArgs e, Dictionary<string, object> parameters)
{
base.OnNavigatedTo(e, parameters);
_userID = parameters[NavigationParameters.UserID] as string;
_entity = parameters[NavigationParameters.PostEntity] as Post;
OnPropertyChanged(() => Header);
OnPropertyChanged(() => Title);
OnPropertyChanged(() => Content);
OnPropertyChanged(() => IsImportant);
}
public PostEntryViewModel(INavigationService navigationService, Post entity, string userID)
{
if (navigationService == null)
throw new ArgumentNullException(nameof(navigationService));
if (entity == null)
throw new ArgumentNullException(nameof(entity));
if (userID == null)
throw new ArgumentNullException(nameof(userID));
_navigationService = navigationService;
_entity = entity;
_userID = userID;
PopulatePostComments();
_commandNavigateReadPostPage = new DelegateCommand(CommandNavigateReadPostPageAction);
}
public static Post Create(Post value)
{
if (value == null)
throw new ArgumentNullException(nameof(value));
var result = new Post();
MigrateTracked(value, result);
result.Title = value.Title;
result.Importance = value.Importance;
MigrateCompositeContent(value.Content, result.Content);
return result;
}
public async Task<Post> CreatePostAsync(string partyID, Post post, CancellationToken terminator)
{
if (partyID == null)
throw new ArgumentNullException(nameof(partyID));
if (post == null)
throw new ArgumentNullException(nameof(post));
VerifyServerAddress();
var uri = new Uri(FormattableString.Invariant($"{_server}/api/parties/{partyID}/posts"));
var content = JsonObjectContent.Create(post);
using (var response = await _client.PostAsync(uri, content, terminator).ConfigureAwait(false))
{
await VerifyResponseAsync(response);
return await response.Content.ReadAsJsonObjectAsync<Post>().ConfigureAwait(false);
}
}
private async Task PopulateDataAsync()
{
try
{
HasActiveTask = true;
_entity = await _client.FetchPostAsync(_userID, _entity.ID, CancellationToken.None);
OnEntityUpdated();
}
catch (TaskCanceledException)
{
}
catch (Exception ex)
{
var template = new DialogTemplate
{
Title = "Something went wrong",
Content = $"There is a problem fetching your status. Inquiring minds may find this information helpful: {ex.Message}",
PrimaryButtonText = "Close"
};
await _dialogService.ShowAsync(template);
}
finally
{
HasActiveTask = false;
}
}
private void CommandCreateAction()
{
var entity = new Post { CreatorID = _userID };
var parameters = new Dictionary<string, object>
{
{ NavigationParameters.UserID, _userID },
{ NavigationParameters.PostEntity, entity }
};
NavigationService.Navigate(NavigationRegistry.WritePostPage, parameters);
}