public ChatUIViewModel()
{
apiService = new ApiService();
OnSendCommand = new Command(async() =>
{
if (!string.IsNullOrEmpty(TextToSend))
{
Travels_Conversations messag = new Travels_Conversations();
messag.Id_tm = Messages.Count;
messag.Text = TextToSend;
messag.User_Sender = App.User;
messag.Id_Travel = travelID;
messag.Id_Request = requesID;
messag.Image = null;
messag.MessDate = DateTime.Now.ToString("dd'-'MM'-'yyyy' 'HH':'mm':'ss");
TextToSend = string.Empty;
if (!Messages.Contains(messag))
{
Messages.Add(messag);
await apiService.RegisterConvoMessage(messag);
//await apiService.PushAsyncGeneral("*****@*****.**", "Mensaje");
}
TextToSend = string.Empty;
}
});
}
void OnMessageDisappearing(Travels_Conversations message)
{
var idx = Messages.IndexOf(message);
if (idx >= 6)
{
Device.BeginInvokeOnMainThread(() =>
{
ShowScrollTap = true;
LastMessageVisible = false;
});
}
}
void OnMessageAppearing(Travels_Conversations message)
{
var idx = Messages.IndexOf(message);
if (idx <= 6)
{
Device.BeginInvokeOnMainThread(() =>
{
while (DelayedMessages.Count > 0)
{
Messages.Insert(0, message);
}
ShowScrollTap = false;
LastMessageVisible = true;
PendingMessageCount = 0;
});
}
}
