public MainWindowViewModel(
INavigationManager navigationManager,
IMailKitApiManager mailKitApiManager,
ISelectedMessageManager selectedMessageManager,
IDeleteMessageManager deleteMessageManager)
: base("MainWindowViewModel")
{
Pages = new List <BaseViewModel>
{
new AuthorizationViewModel(navigationManager, mailKitApiManager),
new MainPageViewModel(navigationManager, mailKitApiManager, selectedMessageManager, deleteMessageManager),
new ErrorAuthViewModel(navigationManager),
new NewMessageViewModel(navigationManager, mailKitApiManager),
new ExtendedMessageViewModel(UniqueId.Invalid, navigationManager, mailKitApiManager),
new CustomAuthorizationViewModel(navigationManager, mailKitApiManager)
};
navigationManager.CurrentPage()
.Select(type => Pages.First(x => x.GetType() == type))
.Subscribe(viewModel =>
{
if (viewModel.Name == "ExtendedMessageViewModel")
{
Pages.RemoveAt(Pages.Count - 1);
Pages.Add(new ExtendedMessageViewModel(selectedMessageManager.SelectedMessage,
navigationManager, mailKitApiManager));
CurrentPage = Pages.Last();
return;
}
CurrentPage = viewModel;
});
}
public ExtendedMessageViewModel(
UniqueId selectedMessage,
INavigationManager navigationManager,
IMailKitApiManager mailKitApiManager)
: base("ExtendedMessageViewModel")
{
_back = ReactiveCommand.Create(() => navigationManager.Navigate(typeof(MainPageViewModel)));
_downloadFiles = ReactiveCommand.CreateFromTask(DownloadFilesHandlerAsync);
Initialize(mailKitApiManager, selectedMessage);
}
public NewMessageViewModel(
INavigationManager navigationManager,
IMailKitApiManager mailKitApiManager)
: base("NewMessageViewModel")
{
_attachmentsPaths = new List <string>();
_back = ReactiveCommand.Create(() => navigationManager.Navigate(typeof(MainPageViewModel)));
_sendMessage = ReactiveCommand.CreateFromTask(() => SendMessageAsync(mailKitApiManager, navigationManager));
_attach = ReactiveCommand.CreateFromTask(AttachHandler);
}
private void Initialize(IMailKitApiManager mailKitApiManager, UniqueId selectedMessage)
{
Task.Run(async() =>
{
_message = await mailKitApiManager.GetMessageAsync(selectedMessage);
From = _message.From.ToString();
To = _message.To.ToString();
Message = _message.TextBody;
HasFiles = _message.Attachments.Any();
});
}
public CustomAuthorizationViewModel(
INavigationManager navigationManager,
IMailKitApiManager mailKitApiManager)
: base("AuthorizationViewModel")
{
_authenticate = ReactiveCommand.CreateFromTask(() => mailKitApiManager.AuthorizeCustomAsync(UserName, Password, ImapHost, ImapPort, SmtpHost, SmtpPort));
_default = ReactiveCommand.Create(() => navigationManager.Navigate(typeof(AuthorizationViewModel)));
_authenticate.Select(unit => typeof(MainPageViewModel))
.Subscribe(navigationManager.Navigate);
_authenticate.ThrownExceptions
.Select(exception => typeof(ErrorAuthViewModel))
.Subscribe(navigationManager.Navigate);
//todo check email correctness by subscribing on it
//todo add support for other email services
}
public AuthorizationViewModel(
INavigationManager navigationManager,
IMailKitApiManager mailKitApiManager)
: base("AuthorizationViewModel")
{
_authenticate = ReactiveCommand.CreateFromTask(() => mailKitApiManager.AuthorizeAsync(UserName, Password, GetEmailService()));
_custom = ReactiveCommand.Create(() =>
{
navigationManager.Navigate(typeof(CustomAuthorizationViewModel));
});
_authenticate.Select(unit => typeof(MainPageViewModel))
.Subscribe(navigationManager.Navigate);
_authenticate.ThrownExceptions
.Select(exception => typeof(ErrorAuthViewModel))
.Subscribe(navigationManager.Navigate);
//todo check email correctness by subscribing on it
//todo add support for other email services
SelectedEmailService = 0;
}
public MainPageViewModel(
INavigationManager navigationManager,
IMailKitApiManager mailKitApiManager,
ISelectedMessageManager selectedMessageManager,
IDeleteMessageManager deleteMessageManager)
: base("MainPageViewModel")
{
_navigationManager = navigationManager;
_mailKitApiManager = mailKitApiManager;
_selectedMessageManager = selectedMessageManager;
_deleteMessageManager = deleteMessageManager;
_writeMessage = ReactiveCommand.Create(() => {});
_writeMessage.Select(unit => typeof(NewMessageViewModel))
.Subscribe(navigationManager.Navigate);
navigationManager.CurrentPage()
.Subscribe(async vm => await LoadMessages(vm));
_deleteMessageManager.MessageDeletedObservable.Subscribe(id =>
{
var message = Messages.Items.FirstOrDefault(model => model.Id == id);
if (message == null)
{
return;
}
Messages.Edit(list => list.Remove(message));
});
Messages.Connect()
.ObserveOn(RxApp.MainThreadScheduler)
.Bind(out _messageCollection)
.Subscribe();
}
private async Task SendMessageAsync(IMailKitApiManager mailKitApiManager, INavigationManager navigationManager)
{
if (string.IsNullOrWhiteSpace(From))
{
ErrorMessage = "no sender specified";
return;
}
if (string.IsNullOrWhiteSpace(To))
{
ErrorMessage = "no recipient specified";
return;
}
await mailKitApiManager.SendMessageAsync(From, To, Message ?? "", _attachmentsPaths);
From = string.Empty;
To = string.Empty;
Message = string.Empty;
_attachmentsPaths.Clear();
ErrorMessage = string.Empty;
navigationManager.Navigate(typeof(MainPageViewModel));
}
public DeleteMessageManager(IMailKitApiManager mailKitApiManager)
{
_mailKitApiManager = mailKitApiManager;
_messageDeletedSubject = new BehaviorSubject <UniqueId>(UniqueId.Invalid);
}
