public static async Task <string> deleteAdminUser(adminUser user)
{
if (!String.IsNullOrEmpty(adminAuth.Username))
{
try
{
string result = "";
var parameters = new FormUrlEncodedContent(new[] {
new KeyValuePair <string, string>("adminUsername", adminAuth.Username),
new KeyValuePair <string, string>("adminPassword", adminAuth.Password),
new KeyValuePair <string, string>("username", user.Username)
});
HttpClient client = new HttpClient();
var response = await client.PostAsync("https://pockettender.000webhostapp.com/web/process_deleteUser.php", parameters);
if (response.IsSuccessStatusCode)
{
result = response.Content.ReadAsStringAsync().Result;
}
return(result);
}
catch (Exception ex)
{
Console.WriteLine("Delete user error: " + ex);
return(null);
}
}
else
{
return("Admin not logged in");
}
}
async void onEditBtnTapped(object sender, EventArgs eventArgs)
{
var userSelected = ((TappedEventArgs)eventArgs).Parameter;
adminUser user = (adminUser)userSelected;
await Navigation.PushAsync(new editUserPage(user));
}
async void onDeleteBtnTapped(object sender, EventArgs eventArgs)
{
var userSelected = ((TappedEventArgs)eventArgs).Parameter;
adminUser user = (adminUser)userSelected;
List <adminUser> tempAdminList = (List <adminUser>)listView.ItemsSource;
if (user.Username != adminAuth.Username)
{
var answer = await DisplayAlert("Remove User", "Are you sure you want to remove user '" + user.Username + "'?", "YES", "NO");
if (answer)
{
//remove user from listview
foreach (var admin in tempAdminList.ToList())
{
if (admin == user)
{
int index = tempAdminList.IndexOf(admin);
tempAdminList.Remove(admin);
}
}
//Refresh listview
listView.ItemsSource = tempAdminList.ToList();
//Display error message when there are no user
if (tempAdminList.Count <= 0)
{
errorMsg.Text = "No user found.";
errorMsg.IsVisible = true;
upBtn.IsVisible = false;
}
//Remove user from database
string httpTask = await Task.Run <string>(() => HttpRequestHandler.deleteAdminUser(user));
var httpResult = httpTask.ToString();
Console.WriteLine(httpResult);
int count = 0;
while (count < 3 && httpResult != "Success")
{
Console.WriteLine("Looping for failure delete");
httpTask = await Task.Run <string>(() => HttpRequestHandler.deleteAdminUser(user));
httpResult = httpTask.ToString();
count++;
}
}
}
else
{
DisplayAlert("Cannot delete user", "Cannot delete your own account!", "OK");
}
}
async Task getCurrentUserDetails()
{
adminUser user = new adminUser();
activityIndicator.IsVisible = true;
activityIndicator.IsRunning = true;
//Send HTTP request to get current user details
string httpTask = await Task.Run <string>(() => HttpRequestHandler.getCurrentUserDetails());
string httpResult = httpTask.ToString();
activityIndicator.IsVisible = false;
activityIndicator.IsRunning = false;
if (httpResult != null)
{
if (httpResult == "No user found")
{
errorLbl.IsVisible = true;
}
else if (httpResult == "Admin not logged in")
{
errorLbl.Text = httpResult;
errorLbl.IsVisible = true;
}
else
{
List <adminUser> adminUsers = JsonConvert.DeserializeObject <List <adminUser> >(httpResult);
user = adminUsers[0];
nameInput.Text = user.administratorName;
emailInput.Text = user.administratorEmail;
if (user.Role == "Administrator")
{
rolePicker.SelectedIndex = 0;
}
else
{
rolePicker.SelectedIndex = 1;
}
usernameInput.Text = user.Username;
}
rolePicker.IsEnabled = false;
}
else
{
errorLbl.IsVisible = true;
}
}
public editUserPage(adminUser user)
{
InitializeComponent();
isCurrentUser = false;
nameInput.Text = user.administratorName;
emailInput.Text = user.administratorEmail;
if (user.Role == "Administrator")
{
rolePicker.SelectedIndex = 0;
}
else
{
rolePicker.SelectedIndex = 1;
}
usernameInput.Text = user.Username;
if (user.Username == adminAuth.Username)
{
rolePicker.IsEnabled = false;
}
}