/// <summary>
/// Send message, mark all as read
/// </summary>
private async void OnTextCompleted(object?sender = null, EventArgs?args = null)
{
var text = popupEntryView.Text;
if (string.IsNullOrEmpty(text))
{
return;
}
popupEntryView.Completed -= OnTextCompleted;
activityIndicator.IsVisible = true;
await dialogsManager.SetDialogAndMessagesReadAndPublish(dialogId);
await NetExceptionCatchHelpers.CatchNetException(
async() =>
{
await messagesManager.SendMessage(dialogId, text, null);
popupEntryView.Text = string.Empty;
},
() =>
{
OnTextCompleted();
return(Task.CompletedTask);
},
LocalizedStrings.SendMessageNoInternetError);
activityIndicator.IsVisible = false;
popupEntryView.Completed += OnTextCompleted;
}
/// <summary>
/// Load more messages when scroll reached the end of the page
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void OnLoadMoreMessages(object sender, ItemVisibilityEventArgs e)
{
if (dialogsManager.GetIsInitRequired(dialogId))
{
return;
}
var message = (Message)e.Item;
var messagesCount = messagesManager.GetMessagesCount(dialogId);
if (messagesCount >= Consts.BatchSize && messagesManager.IsMessageOlderThanAll(dialogId, message.Id))
{
activityIndicator.IsVisible = true;
await NetExceptionCatchHelpers.CatchNetException(
async() =>
{
await messagesManager.UpdateMessagesFromApi(dialogId, messagesCount);
messagesListView.ScrollIfExist(message, ScrollToPosition.Center);
},
() =>
{
OnLoadMoreMessages(sender, e);
return(Task.CompletedTask);
},
LocalizedStrings.MessagesNoInternetError);
activityIndicator.IsVisible = false;
}
}
private async void OnSendButtonPressed(object sender, EventArgs e)
{
if (voiceMessageTempPath == null)
{
return;
}
activityIndicator.IsVisible = true;
await NetExceptionCatchHelpers.CatchNetException(
async() =>
{
sendButton.IsEnabled = false;
await messagesManager.SendMessage(dialogId, null, voiceMessageTempPath);
DeleteTempFile();
await Navigation.PopAsync();
},
() =>
{
OnSendButtonPressed(sender, e);
return(Task.CompletedTask);
},
LocalizedStrings.SendMessageNoInternetError);
activityIndicator.IsVisible = false;
sendButton.IsEnabled = true;
}
/// <summary>
/// Called when long pooling calls Reset. If update unsuccessful show error popup and retry
/// </summary>
private async Task InitFromApi()
{
activityIndicator.IsVisible = true;
await NetExceptionCatchHelpers.CatchNetException(
dialogsManager.UpdateDialogsFromApi,
InitFromApi,
LocalizedStrings.DialogsNoInternetError);
activityIndicator.IsVisible = false;
dialogsListView.ScrollIfExist(dialogsManager.First(), ScrollToPosition.Center);
}
/// <summary>
/// Called on start. If update unsuccessful show error popup and retry
/// </summary>
private async Task InitFromApi()
{
activityIndicator.IsVisible = true;
await NetExceptionCatchHelpers.CatchNetException(
async() =>
{
await messagesManager.UpdateMessagesFromApi(dialogId);
dialogsManager.SetIsInitRequiredToFalse(dialogId);
},
InitFromApi,
LocalizedStrings.MessagesNoInternetError);
activityIndicator.IsVisible = false;
}
private async void OnItemLongPressed(object sender, ItemLongPressedEventArgs e)
{
if (newMessageInputShown)
{
return;
}
var message = (Message)e.Item;
// Possible to delete current user messages that is not older than 1d
if (dialogId == AuthorizationManager.UserId ||
message.Profile?.Id != AuthorizationManager.UserId ||
message.Date < DateTime.Now.AddDays(-1) ||
message.Deleted)
{
longTappedMessageId = null;
return;
}
// Delete by double long press
if (longTappedMessageId != message.Id)
{
longTappedMessageId = message.Id;
return;
}
longTappedMessageId = null;
activityIndicator.IsVisible = true;
await NetExceptionCatchHelpers.CatchNetException(
() => messagesManager.DeleteMessage(dialogId, message.Id),
() =>
{
OnItemLongPressed(sender, e);
return(Task.CompletedTask);
},
LocalizedStrings.DeleteMessageNoInternetError);
activityIndicator.IsVisible = false;
}