private async void CreateAccount_Clicked(object sender, EventArgs e)
{
_viewModel.SetIsBusy(true);
btnCreateAccount.IsEnabled = false;
FlowExecutionStateInstruction instruction = await FlowExecutionService.StartFlowWithData(RestConstants.CreateAccountFlowId, new DataPair[0], true);
if (instruction == null)
{
_viewModel.SetIsBusy(false);
btnCreateAccount.IsEnabled = true;
Debug.WriteLine("Flow Execution Instruction was null");
return;
}
if (FlowExecutionService.IsShowFormType(instruction))
{
// get the form JSON
StandAloneFormSessionInfo formModel = await FormService.GetFormSessionSurfaceJson(instruction, true);
// launch the view to render the form:
FormViewModel formViewModel;
formViewModel = new FormViewModel(formModel, instruction);
if (formModel == null)
{
_viewModel.SetIsBusy(false);
btnCreateAccount.IsEnabled = true;
await DisplayAlert("Error", "Problem loading form data.", "OK");
return;
}
await Navigation.PushAsync(new FormPage(formViewModel, true));
}
else
{
// throw a modal that the flow has been started
await DisplayAlert("Workflow", $"Flow for Account creation has been started", "OK");
}
btnCreateAccount.IsEnabled = true;
_viewModel.SetIsBusy(false);
}
async void OnItemSelected(object sender, SelectedItemChangedEventArgs args)
{
if (!(args.SelectedItem is Models.Workflow workflow))
{
return;
}
viewModel.SetIsBusy(true); // show loader in case fetching action takes time
if (Connectivity.NetworkAccess == NetworkAccess.Internet)
{
WorkFlowAction action = await(viewModel.DataStore as WorkflowStore).GetWorkflowActionAsync(workflow);
Debug.WriteLine(action);
// see if it's a flow we can run:
if (action?.RunFlowId != null)
{
FlowExecutionStateInstruction instruction = await FlowExecutionService.StartFlowWithData(action.RunFlowId, new DataPair[0]);
if (instruction == null)
{
Debug.WriteLine("Flow Execution Instruction was null");
DoneLaunching();
return;
}
if (FlowExecutionService.IsShowFormType(instruction))
{
// get the form JSON
StandAloneFormSessionInfo formModel = await FormService.GetFormSessionSurfaceJson(instruction);
// launch the view to render the form:
FormViewModel formViewModel;
if (workflow.CanRunOffline)
{
formViewModel = new FormViewModel(formModel, instruction, true, workflow.ServiceCatalogId);
}
else
{
formViewModel = new FormViewModel(formModel, instruction);
}
if (formModel == null)
{
await DisplayAlert("Error", "Problem loading form data.", "OK");
DoneLaunching();
return;
}
DoneLaunching();
await Navigation.PushAsync(new FormPage(formViewModel));
}
else
{
// throw a modal that the flow has been started
DoneLaunching();
await DisplayAlert("Workflow", $"Flow for {workflow.EntityName} has been started", "OK");
}
return;
}
// Otherwise, try to embed the result in a web-view
var actionuUrl = action.WebViewUrl;
viewModel.SetIsBusy(false);
if (string.IsNullOrEmpty(actionuUrl))
{
await DisplayAlert("Alert", "No valid action was found for this item", "OK");
return;
}
// Manually deselect item.
WorkflowListView.SelectedItem = null;
await Navigation.PushAsync(new DoWorkflowPage(workflow, actionuUrl));
}
else
{
// get the form JSON
var formInfos = await OfflineService.Instance.GetStandAloneFormSessionInfoAsync(workflow.ServiceCatalogId);
if (formInfos == null || formInfos.Count <= 0)
{
await DisplayAlert("Error", "Problem loading form data.", "OK");
DoneLaunching();
return;
}
StandAloneFormSessionInfo formModel = formInfos[0];
FlowExecutionStateInstruction instruction = new FlowExecutionStateInstruction
{
FormTitle = workflow.EntityName
};
FormViewModel formViewModel;
if (workflow.CanRunOffline)
{
formViewModel = new FormViewModel(formModel, instruction, true, workflow.ServiceCatalogId);
}
else
{
formViewModel = new FormViewModel(formModel, instruction);
}
DoneLaunching();
await Navigation.PushAsync(new FormPage(formViewModel));
}
}
