async void OnCloseButtonClicked(object sender, EventArgs e)
{
var answer = await DisplayAlert("Close poll", "Are you sure you want to close this poll?", "Yes", "No");
if (answer)
{
//If user confirm to close the poll, send the HTTP request
activityIndicator.IsVisible = true;
activityIndicator.IsRunning = true;
string httpTask = await Task.Run <string>(() => HttpRequestHandler.PostClosePoll(poll.pollID, adminAuth.Username, adminAuth.Password));
string httpResult = httpTask.ToString();
activityIndicator.IsVisible = false;
activityIndicator.IsRunning = false;
if (httpResult == "Successfully closed poll!")
{
await DisplayAlert("Success", "Poll has been successfully closed!", "OK");
var page = App.Current.MainPage as rootPage;
var pollPage = new pollPage();
page.changePage(pollPage);
}
else
{
await DisplayAlert("Failed", httpResult, "OK");
}
}
}
async void OnSubmitButtonClicked(object sender, EventArgs e)
{
if (selectedOption == "")
{
await DisplayAlert("Failed", "Please select an answer", "OK");
}
else
{
//Submit user's aswer for poll
activityIndicator.IsVisible = true;
activityIndicator.IsRunning = true;
string optionID = "";
foreach (pollOption option in poll.pollOptions)
{
if (selectedOption == option.optionTitle)
{
optionID = option.optionID;
}
}
string httpTask = await Task.Run <string>(() => HttpRequestHandler.PostSubmitPollAnswer(poll.pollID, optionID, userSession.username, ""));
string httpResult = httpTask.ToString();
activityIndicator.IsVisible = false;
activityIndicator.IsRunning = false;
if (httpResult == "Answer has been successfully submitted. Thank you for participating!")
{
await DisplayAlert("Success", httpResult, "OK");
var page = App.Current.MainPage as rootPage;
var pollPage = new pollPage();
page.changePage(pollPage);
}
else
{
await DisplayAlert("Failed", httpResult, "OK");
}
}
}
async void OnDeleteButtonClicked(object sender, EventArgs e)
{
if (adminAuth.Username != null && adminAuth.Password != null)
{
var answer = await DisplayAlert("Delete", "Are you sure you want to delete the option?", "Yes", "No");
Button deleteButton = (Button)sender;
string optionID = deleteButton.StyleId;
if (answer)
{
//If user confirm to delete the option, send the HTTP request
activityIndicator.IsVisible = true;
activityIndicator.IsRunning = true;
string httpTask = await Task.Run <string>(() => HttpRequestHandler.PostDeleteOption(adminAuth.Username, adminAuth.Password, optionID));
string httpResult = httpTask.ToString();
activityIndicator.IsVisible = false;
activityIndicator.IsRunning = false;
if (httpResult == "Poll option successfully deleted!")
{
await DisplayAlert("Success", "Poll option has been successfully deleted!", "OK");
var page = App.Current.MainPage as rootPage;
var pollPage = new pollPage();
page.changePage(pollPage);
}
else
{
await DisplayAlert("Failed", httpResult, "OK");
}
}
}
}
async void OnPublishButtonClicked(object sender, EventArgs e)
{
bool isErrorPresent = false;
string errorMessage = "";
string pollQuestion = "";
//Validate inputs
if (pollQuestionInput.Text == "")
{
isErrorPresent = true;
errorMessage = "Please enter poll question. ";
}
if (selectedOption == "")
{
isErrorPresent = true;
errorMessage = "Please enter number of poll option. ";
}
//Get option inputs
string[] options = new string[optionListLayout.Children.Count()];
int count = 0;
//Obtain the option inputs
foreach (StackLayout layout in optionListLayout.Children)
{
foreach (View view in layout.Children)
{
if (view.GetType() == typeof(Frame))
{
if (((Frame)view).Content.GetType() == typeof(Entry))
{
Entry entry = (Entry)((Frame)view).Content;
options[count] = entry.Text;
count++;
}
}
}
}
if (options.Count() <= 0)
{
isErrorPresent = true;
errorMessage = "Please enter poll option fields. ";
}
if (!isErrorPresent)
{
if (adminAuth.Username != null && adminAuth.Password != null)
{
activityIndicator.IsVisible = true;
activityIndicator.IsRunning = true;
string httpTask = await Task.Run <string>(() => HttpRequestHandler.PostAddPoll(adminAuth.Username, adminAuth.Password, pollQuestionInput.Text, selectedOption, options));
string httpResult = httpTask.ToString();
activityIndicator.IsVisible = false;
activityIndicator.IsRunning = false;
if (httpResult == "You have succesfully published a poll!")
{
await DisplayAlert("Success", "Poll has been successfully published!", "OK");
var page = App.Current.MainPage as rootPage;
var pollPage = new pollPage();
page.changePage(pollPage);
}
else
{
await DisplayAlert("Failed", httpResult, "OK");
}
}
else
{
Console.WriteLine("User is not logged in");
}
}
else
{
await DisplayAlert("Failed", errorMessage, "OK");
}
}