/*
* Opens a new modal which displays an overview of the tapped WaitingListItem
*/
public async void Handle_ItemTapped(object sender, EventArgs args)
{
WaitingListItem tapped = (WaitingListItem)TransplantList.SelectedItem;
if (tapped != null)
{
await Navigation.PushAsync(new SingleWaitingListItemPage(tapped, true));
}
}
/*
* Shows a dialog which allows a user to select a reason for de-registering
* the selected WaitingListItem.
*/
public async void showDeregisteringOptions(WaitingListItem item)
{
var action = await DisplayActionSheet("Select the reason code: ", "Cancel", "", "1: Error while registering", "2: Disease Cured", "3: Receiver Deceased", "4: Successful Transplant");
if (action == "1: Error while registering")
{
await deregister(item, 1);
await Navigation.PopAsync();
MessagingCenter.Send <ContentPage>(this, "REFRESH_WAITING_LIST_ITEMS");
}
else if (action == "2: Disease Cured")
{
try
{
User user = await new UserAPI().getUser(item.userId, ClinicianController.Instance.AuthToken);
if (user != null && user.currentDiseases.Count > 0)
{
await Navigation.PushModalAsync(new DiseaseCuredDeregisterPage(item, this));
}
else
{
await DisplayAlert("Alert",
"There are no un-cured diseases for this user",
"OK");
}
} catch (HttpRequestException)
{
await DisplayAlert("Connection Error",
"Failed to reach the server",
"OK");
}
}
else if (action == "3: Receiver Deceased")
{
await Navigation.PushModalAsync(new DeceasedDeregisterPage(item, this));
}
else if (action == "4: Successful Transplant")
{
await deregister(item, 1);
await Navigation.PopAsync();
MessagingCenter.Send <ContentPage>(this, "REFRESH_WAITING_LIST_ITEMS");
}
}
/*
* Constructor which initialises the entries of the waiting list items listview.
*/
public SingleWaitingListItemPage(WaitingListItem waitingListItem, Boolean showDeregisterButton)
{
InitializeComponent();
Title = "Waiting list item";
this.item = waitingListItem;
OrganTypeEntry.Text = OrganExtensions.ToString(waitingListItem.organType);
RegisteredDateEntry.Text = waitingListItem.organRegisteredDate.day + " of " + dateTimeFormat.GetAbbreviatedMonthName(waitingListItem.organRegisteredDate.month) + ", " + waitingListItem.organRegisteredDate.year;
DeregisteredDateEntry.Text =
waitingListItem.organDeregisteredDate != null ?
waitingListItem.organDeregisteredDate.day + " of " + dateTimeFormat.GetAbbreviatedMonthName(waitingListItem.organDeregisteredDate.month) + ", " + waitingListItem.organDeregisteredDate.year
: "N/A";
//DeregisterCodeEntry.Text =
//waitingListItem.OrganDeregisteredCode != 0 ? waitingListItem.OrganDeregisteredCode.ToString() : "N/A";
DeregisterButton.IsVisible = showDeregisterButton;
IDEntry.Text = waitingListItem.id.ToString();
}
/*
* De-registers the given WaitingListItem and saves the changes
* to the server.
*/
public async Task deregister(WaitingListItem item, int reasonCode)
{
try
{
item.organDeregisteredDate = new CustomDate(DateTime.Now);
item.organDeregisteredCode = reasonCode;
//
HttpStatusCode code = await new TransplantListAPI().updateItem(item);
if (code != HttpStatusCode.Created)
{
await DisplayAlert(
"Failed to de-register item",
"Server error",
"OK");
}
}
catch (HttpRequestException)
{
await DisplayAlert("Connection Error",
"Failed to reach the server",
"OK");
}
}
public async void Handle_RegisterClicked(object sender, EventArgs args)
{
String selectedOrgan = (String)OrganPicker.SelectedItem;
if (selectedOrgan != null && !(await alreadyRegistered(selectedOrgan)))
{
User user = UserController.Instance.LoggedInUser;
WaitingListItem newItem = new WaitingListItem();
String[] words = selectedOrgan.Split(' ');
String organ = String.Join("-", words);
organ = organ.ToLower();
newItem.organType = OrganExtensions.ToOrgan(organ);
newItem.userId = user.id;
newItem.organRegisteredDate = new CustomDate(DateTime.Today);
UserController.Instance.LoggedInUser.waitingListItems.Add(newItem);
UserAPI userAPI = new UserAPI();
HttpStatusCode code = await userAPI.UpdateUser(user, ClinicianController.Instance.AuthToken);
switch (code)
{
case HttpStatusCode.Created:
await DisplayAlert("",
"User successfully updated",
"OK");
NoDataLabel.IsVisible = false;
WaitingListItemsList.IsVisible = true;
SortingInput.IsVisible = true;
await resetWaitingListItems();
await setupPage();
break;
case HttpStatusCode.BadRequest:
await DisplayAlert("",
"User update failed (400)",
"OK");
break;
case HttpStatusCode.ServiceUnavailable:
await DisplayAlert("",
"Server unavailable, check connection",
"OK");
break;
case HttpStatusCode.InternalServerError:
await DisplayAlert("",
"Server error, please try again",
"OK");
break;
}
}
}
