} //Constructor
public override void ViewDidLoad()
{
base.ViewDidLoad();
List <Kpi> rnkpi = new List <Kpi>();
VDAGateway = new VDAGateway();
if (neededKpi != null && relatedKpi != null)
{
rnkpi = neededKpi; //Sets list to all the needkPIs
}
//Initialize table view and its source
TableSource = new KPITableModel(rnkpi, relatedKpi); //Passing in needed list and related kpi seperately
_table = new UITableView
{
Frame = new CoreGraphics.CGRect(0, 0, View.Bounds.Width, View.Bounds.Height),
Source = TableSource
};
//To get rid of table seperator lines
_table.SeparatorStyle = UITableViewCellSeparatorStyle.None;
//Set background color for the whole table
_table.BackgroundColor = UIColor.White;
View.AddSubview(_table);
TableSource.NewPageEvent += KpiSelected;
}
public async void LoginRequested(object sender, EventArgs e)
{ //When login button is pressed enable alerts and transition to MainViewController if right conditions are met
var bounds = UIScreen.MainScreen.Bounds;
loader = new LoadingOverlay(bounds, "Checking credentials...");
View.Add(loader);
LoginButton.Enabled = false; //Unable to click login button two times or more while loading
MainViewController viewcontroller = Storyboard.InstantiateViewController("MainViewController") as MainViewController;
KPITableModel MySender = sender as KPITableModel;
if (viewcontroller != null)
{ //If the view controller is null for somereason, does not transfer
string username = UsernameTextfield.Text;
string password = PasswordTextfield.Text;
Task <HttpResponseMessage> TaskResponse = vdaGateway.VerifyLogin(username, password);
var response = await TaskResponse as HttpResponseMessage;
if (response.StatusCode != System.Net.HttpStatusCode.OK)
{
//Alert for Invalid Credentials
var invalidcontroller = UIAlertController.Create("Invalid Credentails", "Please enter a valid Username and/or Password", UIAlertControllerStyle.Alert);
invalidcontroller.AddAction(UIAlertAction.Create("Ok", UIAlertActionStyle.Default, null));
PresentViewController(invalidcontroller, true, null);
}
else
{
string json_string = await response.Content.ReadAsStringAsync();
var verifiedLogin = JsonConvert.DeserializeObject <VerifyLogin>(json_string) as VerifyLogin;
if (verifiedLogin == null)
{
//Alert for Server Error
var errorcontroller = UIAlertController.Create("Server Error", "Server response unable to read, please try again later", UIAlertControllerStyle.Alert);
errorcontroller.AddAction(UIAlertAction.Create("Ok", UIAlertActionStyle.Default, null));
PresentViewController(errorcontroller, true, null);
}
else
{
viewcontroller.login_info = verifiedLogin; //Pass dealer's name to next view
this.NavigationController.PushViewController(viewcontroller, true); //This code changes the view
}
}
}
LoginButton.Enabled = true;
loader.Hide();
}
public async void KpiSelected(object sender, EventArgs e)
{
_table.UserInteractionEnabled = false;
//Transitioning to ActionsViewController
ActionsViewController nextPage = this.Storyboard.InstantiateViewController("ActionsViewController") as ActionsViewController;
KPITableModel MySender = sender as KPITableModel;
Kpi selectedKpi = MySender.getSelected();
if (nextPage != null)
{
//gotta reset our list variables
actions = new List <KpiAction>();
//============= Calling our API ======
string json_string; // for future use if we wanna define a threshold
if (string.IsNullOrEmpty(selectedKpi.name))
{
//Error Alert
var selectioncontroller = UIAlertController.Create("Selection Error", "Please select a KPI", UIAlertControllerStyle.Alert);
selectioncontroller.AddAction(UIAlertAction.Create("Ok", UIAlertActionStyle.Default, null));
PresentViewController(selectioncontroller, true, null);
//new UIAlertView("Selection Error", "Please select a KPI", null, "OK", null).Show();
return;
}
var response = await VDAGateway.Actions(selectedKpi.name, selectedKpi.p_val);
//if we still have internal server error
if (response.StatusCode != System.Net.HttpStatusCode.OK)
{
//Error Alert
var apicontroller = UIAlertController.Create("API Error", "Server under maintenance, please try again later", UIAlertControllerStyle.Alert);
apicontroller.AddAction(UIAlertAction.Create("Ok", UIAlertActionStyle.Default, null));
PresentViewController(apicontroller, true, null);
//new UIAlertView("API Error", $"Server under maintenance, please try again later", null, "OK", null).Show();
return;
}
json_string = response.Content.ReadAsStringAsync().Result;
actions = JsonConvert.DeserializeObject <List <KpiAction> >(json_string);
if (actions == null)
{
//Error Alert
var deserializationcontroller = UIAlertController.Create("Deserialization Error", $"JSON Returned: \"{json_string}\"", UIAlertControllerStyle.Alert);
deserializationcontroller.AddAction(UIAlertAction.Create("Ok", UIAlertActionStyle.Default, null));
PresentViewController(deserializationcontroller, true, null);
//new UIAlertView("Deserialization Error", $"JSON Returned: \"{json_string}\"", null, "OK", null).Show();
return;
}
nextPage.actions = new List <KpiAction>();
nextPage.actions = actions;
this.NavigationController.PushViewController(nextPage, true); //This code changes the view
}
_table.UserInteractionEnabled = true;
}
