public static ParsedResource CreateResource(ParsedResource resource)
{
var patientRepository = new SqlLitePatientRepository();
var referencedResource = patientRepository.GetResource(resource.PatientId);
if ((referencedResource == null && resource.TypeName != "Patient") || (resource.TypeName != "Patient" && referencedResource != null && !referencedResource.IsIotaResource))
{
throw new MissingReferenceException();
}
if (resource.Resource.GetType().GetProperty("Subject") != null)
{
resource.Resource.GetType().GetProperty("Subject")?.SetValue(
resource.Resource,
new ResourceReference {
Reference = $"did:iota:{referencedResource.Resource.Id}"
});
}
if (resource.Resource.GetType().GetProperty("Patient") != null)
{
resource.Resource.GetType().GetProperty("Patient")?.SetValue(
resource.Resource,
new ResourceReference {
Reference = $"did:iota:{referencedResource.Resource.Id}"
});
}
var client = new RestClient("http://pactfhir.azurewebsites.net/");
var request = new RestRequest($"/api/fhir/create/{resource.TypeName}", Method.POST);
request.AddHeader("Content-Type", "application/fhir+json");
request.AddHeader("Prefer", "representation");
request.AddParameter("application/fhir+json", resource.Json, ParameterType.RequestBody);
var response = client.Execute(request);
if (response.StatusCode == HttpStatusCode.OK || response.StatusCode == HttpStatusCode.Created)
{
var parsedResource = new ParsedResource
{
Id = resource.Id,
PatientId = resource.PatientId,
Resource = new FhirJsonParser().Parse <Resource>(response.Content)
};
patientRepository.UpdateResource(parsedResource);
return(parsedResource);
}
throw new ResourceException(new FhirJsonParser().Parse <OperationOutcome>(response.Content));
}
/// <inheritdoc />
public void UpdateResource(ParsedResource resource)
{
using (var connection = new SQLiteConnection($"Data Source={DatabaseFilename};Version=3;"))
{
connection.Open();
using (var command = new SQLiteCommand($"UPDATE Resource SET Payload=@payload WHERE Id='{resource.Id}'", connection))
{
command.Parameters.AddWithValue("payload", resource.Json);
command.ExecuteNonQuery();
}
}
}
private TreeViewItem CreateTreeViewItem(ParsedResource resource)
{
var treeViewItem = new TreeViewItem
{
Header = new Label
{
Content = resource.TypeName,
Foreground = resource.IsIotaResource ? Brushes.DarkGreen : Brushes.Black,
FontWeight = FontWeights.Bold
}
};
if (resource.CanBeUploaded)
{
var menuItem = new MenuItem {
Header = "Upload to Tangle"
};
treeViewItem.ContextMenu = new ContextMenu {
ItemsSource = new List <MenuItem> {
menuItem
}
};
menuItem.Click += (sender, args) =>
{
if (sender is MenuItem)
{
this.UploadResource(treeViewItem, resource);
}
};
}
else
{
var menuItem = new MenuItem {
Header = "Upload of Resource Type currently not supported", IsEnabled = false
};
treeViewItem.ContextMenu = new ContextMenu {
ItemsSource = new List <MenuItem> {
menuItem
}
};
}
var jsonViewItem = new TreeViewItem {
Header = "Json View"
};
jsonViewItem.Items.Add(new TextBox {
Text = resource.FormattedJson, IsReadOnly = true
});
treeViewItem.Items.Add(jsonViewItem);
if (resource.IsIotaResource)
{
var tangleDetails = new TreeViewItem {
Header = "Tangle information"
};
var resourceLink = $"http://pactfhir.azurewebsites.net/api/fhir/{resource.TypeName}/{resource.Resource.Id}";
tangleDetails.Items.Add(
new TextBox {
Text = resourceLink, IsReadOnly = true
});
var clipboardButton = new Button {
Content = new TextBlock {
Text = "Copy to Clipboard"
}
};
clipboardButton.Click += (sender, args) =>
{
Clipboard.SetText(resourceLink);
};
tangleDetails.Items.Add(clipboardButton);
treeViewItem.Items.Add(tangleDetails);
}
treeViewItem.Items.Add(resource);
return(treeViewItem);
}
private void UploadResource(TreeViewItem treeViewItem, ParsedResource resource)
{
try
{
var spinner = new LoadingSpinner();
spinner.SetText("Creating resource on Tangle");
ApplicationManager.SetContent(spinner);
ApplicationManager.MainWindow.MainMenu.IsEnabled = false;
spinner.Start();
Task.Factory.StartNew(
() =>
{
try
{
var updatedResource = FhirInteractor.CreateResource(resource);
this.Dispatcher.BeginInvoke(
new Action(
() =>
{
var newItem = this.CreateTreeViewItem(updatedResource);
foreach (ParsedPatient patient in this.Patients.ItemsSource)
{
if (patient.Resources.First().PatientId != updatedResource.PatientId)
{
continue;
}
var resourceToUpdate = patient.Resources.First(r => r.Id == updatedResource.Id);
if (resourceToUpdate != null)
{
resourceToUpdate.Resource = updatedResource.Resource;
}
}
var selectedIndex = this.PatientDetails.Items.IndexOf(treeViewItem);
this.PatientDetails.Items.RemoveAt(selectedIndex);
this.PatientDetails.Items.Insert(selectedIndex, newItem);
this.PatientDetails.Items.Refresh();
this.PatientDetails.UpdateLayout();
spinner.Stop();
}));
}
catch (MissingReferenceException)
{
this.Dispatcher.BeginInvoke(
new Action(
() =>
{
MessageBox.Show("Referenced resource not uploaded yet. Upload Patient record first.", "Creation Failed");
}));
}
catch (ResourceException exception)
{
this.Dispatcher.BeginInvoke(
new Action(
() =>
{
MessageBox.Show(exception.Outcome.ToFormattedJson(), "Creation Failed");
}));
}
catch (Exception exception)
{
this.Dispatcher.BeginInvoke(
new Action(
() =>
{
MessageBox.Show(exception.StackTrace, exception.Message);
}));
}
finally
{
this.Dispatcher.BeginInvoke(
new Action(
() =>
{
ApplicationManager.MainWindow.MainMenu.IsEnabled = true;
ApplicationManager.SetContent(this);
}));
}
});
}
catch
{
// ignored
}
}