/// <summary>
/// Adds session in local directory.
/// </summary>
public async Task <RepositoryResponse> AddSessionAsync(Session session)
{
if (session.Event?.Id is null)
{
return(new RepositoryResponse(RepositoryResponseStatus.ClientError, "Session event Id cannot be null."));
}
session.Id ??= Guid.NewGuid().ToString();
var targetFile = GetSessionFile(session);
await _fileSystem.CreateNonexistentFileAsync(targetFile, Json.EmptyArray).ConfigureAwait(false);
_applicationCache.SessionsByEventId[session.Event.Id].Add(session.Id, session.Name);
await _applicationCacheSaver.SaveCacheAsync(_applicationCache).ConfigureAwait(false);
return(RepositoryResponse.Ok);
}
/// <summary>
/// Gets events from local directories.
/// </summary>
public async Task <RepositoryResponse <IReadOnlyList <Event> > > GetEventsAsync()
{
if (_applicationCache.EventsById.Count > 0)
{
var eventsFromCache = _applicationCache.EventsById.Select(x => new Event(x.Key, x.Value));
return(new RepositoryResponse <IReadOnlyList <Event> >(eventsFromCache.ToList()));
}
var predefinedEventsTasks = Constants.Events.Predefined.Select(x =>
{
var @event = new Event(x);
return(AddEventAsync(@event, saveCache: false));
});
var predefinedEvents = await Task.WhenAll(predefinedEventsTasks).ConfigureAwait(false);
await _applicationCacheSaver.SaveCacheAsync(_applicationCache).ConfigureAwait(false);
return(new RepositoryResponse <IReadOnlyList <Event> >(predefinedEvents));
}
private async Task ChangeSessionAsync()
{
var sessionChangeViewModel = new SessionChangeViewModel(_event, _sessionRepository);
var contructed = await sessionChangeViewModel.ConstructAsync().ConfigureAwait(true);
if (contructed is false)
{
await CloseWindowDialogHandleAsync("Nie można załadować sesji");
return;
}
sessionChangeViewModel.AcceptRenameSessionCommand.Subscribe(UpdateSessionIfNameChanged);
sessionChangeViewModel.Sessions.CollectionChanged += (_, o) => OnSessionDelete(o, sessionChangeViewModel);
var result = await ShowSessionChangeDialog.Handle(sessionChangeViewModel);
if (result is not null && result.Session.Id != CurrentSession.Id)
{
CurrentSession = result.Session;
_applicationCache.LastChoosenSession = CurrentSession.Id !;
await _applicationCacheSaver.SaveCacheAsync(_applicationCache).ConfigureAwait(true);
}
}
