public async void SendMessage()
        {
            var re = (await RequestViewModel.SearchByUser(App.LoggedInUser.ID)).Count();

            if (!string.IsNullOrEmpty(TextToSend) && re > 0)
            {
                var messi = new MessageViewModel()
                {
                    Body     = TextToSend,
                    SenderId = App.LoggedInUser.ID,
                };
                Messages.Insert(0, messi);
                TextToSend      = string.Empty;
                messi.Sender    = App.LoggedInUser;
                messi.Request   = (await RequestViewModel.SearchByUser(App.LoggedInUser.ID)).OrderByDescending(r => r.DateMade).FirstOrDefault();
                messi.RequestId = messi.Request.Id;
                messi.TimeSent  = new DateTime(DateTime.Now.Ticks, DateTimeKind.Local);
                var user = await UserViewModel.SearchByID(App.LoggedInUser.ID);

                user.LatestMessage = DateTime.Now;
                await UserViewModel.UpdateUser(user);

                await MessageViewModel.Insert(messi);
            }
            else if (re == 0)
            {
                await Xamarin.Forms.Application.Current.MainPage.DisplayAlert("Alert", "You have not made a request! Go create one to message an admin.", "OK");
            }
        }
        public async void UpdateRequestsList()
        {
            RefreshList = true;
            var temp = await RequestViewModel.SearchByUser(App.LoggedInUser.ID);

            if (temp != null)
            {
                requests.Clear();
                foreach (var req in temp)
                {
                    if (req.PrinterId != null)
                    {
                        req.Printer = await PrinterViewModel.SearchByID(req.PrinterId);
                    }
                    if (req.StatusId != null)
                    {
                        req.Status = await StatusViewModel.SearchByID(req.StatusId);
                    }
                    if (req.ApplicationUserId != null)
                    {
                        req.User = await UserViewModel.SearchByID(req.ApplicationUserId);
                    }
                    if (req.Id != null)
                    {
                        req.Messages = await MessageViewModel.SearchByRequestID(req.Id);
                    }
                    requests.Add(req);
                }
            }

            RefreshList = false;
        }
Esempio n. 3
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        private static async Task <UserViewModel> GetForeignKeys(UserViewModel userViewModel)
        {
            if (userViewModel.ID != null)
            {
                userViewModel.Messages = await MessageViewModel.SearchByUserID(userViewModel.ID);

                var requests = await RequestViewModel.SearchByUser(userViewModel.ID);

                userViewModel.Requests = requests;
            }


            return(userViewModel);
        }