/// <summary>
/// Gets the time stamp of the last administered prescription.
/// </summary>
/// <returns></returns>
private DateTime?ReturnLastAdministeredPrescription()
{
if (AdministeredPrescriptions == null || !AdministeredPrescriptions.Any())
{
return(null);
}
PrescriptionGroup group = AdministeredPrescriptions.OrderBy(grp => grp.Prescriptions[0].AdministeredOn).Last();
return(group.Prescriptions[0].AdministeredOn ?? null);
}
/// <summary>
/// Gets all of the prescriptions from the IMS API and groups them into their schedules.
/// </summary>
/// <param name="imsId">ID of admitted patient at the IMS.</param>
/// <returns>An observable collection of grouped prescriptions.</returns>
protected async Task <ObservableCollection <PrescriptionGroup> > GetPrescriptionsAsync(int imsId, PatientAdministrationStatus?status = null)
{
imsSvc = new ImsDataService(ApiSettings);
List <Prescription> medicines = await imsSvc.GetPrescriptionsAsync(imsId);
var grpedMedicines = from meds in medicines
group meds by meds.Schedule into grp
orderby grp.Key
select new { TimeStamp = grp.Key, Items = grp };
var prescriptionsGrouped = new ObservableCollection <PrescriptionGroup>();
foreach (var groups in grpedMedicines)
{
PrescriptionGroup grp = new PrescriptionGroup();
grp.TimeStamp = groups.TimeStamp;
ObservableCollection <Prescription> sortedMedicines = new ObservableCollection <Prescription>();
foreach (var meds in groups.Items)
{
sortedMedicines.Add(meds);
}
grp.Prescriptions = sortedMedicines;
prescriptionsGrouped.Add(grp);
}
if (status.HasValue)
{
switch (status.Value)
{
case PatientAdministrationStatus.MedicineSelected:
var isSelected = prescriptionsGrouped.Where(grp => grp.IsSelected).ToList();
return(new ObservableCollection <PrescriptionGroup>(isSelected));
case PatientAdministrationStatus.MedicineLoaded:
var isLoaded = prescriptionsGrouped.Where(grp => grp.IsLoaded).ToList();
return(new ObservableCollection <PrescriptionGroup>(isLoaded));
case PatientAdministrationStatus.MedicineAdministered:
var isAdministered = prescriptionsGrouped.Where(grp => grp.IsAdministered).ToList();
return(new ObservableCollection <PrescriptionGroup>(isAdministered));
default:
return(prescriptionsGrouped);
}
}
else
{
return(prescriptionsGrouped);
}
}
/// <summary>
/// Removes the prescription group.
/// </summary>
/// <param name="selectedItems">The prescription group</param>
public async void DeletePrescriptionGroup(object selectedItems)
{
try
{
PrescriptionGroup group = selectedItems as PrescriptionGroup;
var count = group.Prescriptions.Count;
await imsSvc.DeletePrescriptionGroupAsync(group.Prescriptions);
AllPrescriptions.Remove(group);
Prescriptions.Remove(group);
}
catch (Exception e)
{
MessengerInstance.Send(new ExceptionDialogMessage(e));
}
}
/// <summary>
/// Picks a prescription group for administration.
/// </summary>
/// <param name="user">The currently logged user</param>
/// <param name="prescriptionGroup">The selected prescription group</param>
/// <param name="isChecked">Indicates whether the control associated with the action is checked</param>
public async void SelectPrescriptionGroup(Personnel user, object prescriptionGroup, bool isChecked)
{
try
{
IsLoading = true;
PrescriptionGroup group = prescriptionGroup as PrescriptionGroup;
if (SelectedPrescriptions == null)
{
SelectedPrescriptions = new ObservableCollection <PrescriptionGroup>();
}
if (loggedUser == null)
{
loggedUser = user;
}
if (isChecked)
{
SelectedPrescriptions.Add(group);
foreach (var item in group.Prescriptions)
{
item.SelectedOn = DateTime.Now;
item.Selector = loggedUser.Username;
}
}
else
{
SelectedPrescriptions.Remove(group);
foreach (var item in group.Prescriptions)
{
item.SelectedOn = null;
item.Selector = null;
}
}
await imsSvc.UpdatePrescriptionsAsync(AdmittedPatient.ID, group.Prescriptions);
IsLoading = false;
}
catch (Exception)
{
throw;
}
}
