async void HandleButtonMainMenuPage(object sender, ItemTappedEventArgs e)
{
var page = new Views.MainMenu.MenuPage().GetMenuPage();
NavigationPage.SetHasNavigationBar(page, false);
await Navigation.PushAsync(page);
}
private async Task <bool> IsLoggedIn()
{
if (!string.IsNullOrEmpty(Settings.AccessToken))
{
var page = new Views.MainMenu.MenuPage().GetMenuPage();
NavigationPage.SetHasNavigationBar(page, false);
await(new PageService()).PushAsync(page);
return(true);
}
return(false);
}
private async Task PostStudentCourses()
{
Busy = true;
var request = new HttpRequestMessage(
HttpMethod.Post, "https://altaarefapp.azurewebsites.net/api/StudentCourses");
List <StudentCourses> studentCourses = new List <StudentCourses>();
foreach (var crs in _coursesSelectedList)
{
studentCourses.Add(new StudentCourses
{
CourseId = crs.Id,
StudentId = Settings.StudentId
});
}
var serStd = JsonConvert.SerializeObject(studentCourses);
request.Content = new StringContent(serStd, Encoding.UTF8, "application/json");
var response = await _client.SendAsync(request);
if (response.IsSuccessStatusCode)
{
await _pageService.DisplayAlert("Success", "You have been registered successfully", "Ok", "Cancel");
var page = new Views.MainMenu.MenuPage().GetMenuPage();
NavigationPage.SetHasNavigationBar(page, false);
await _pageService.PushAsync(page);
Busy = false;
}
else
{
await _pageService.DisplayAlert("Failure", "Something went wrong!", "Ok", "Cancel");
Busy = false;
}
}
private async Task LoginAsync(string username, string password)
{
Busy = true;
logincred news = new logincred {
username = username, password = password
};
var request = new HttpRequestMessage(
HttpMethod.Post, "https://altaarefapp.azurewebsites.net/api/auth/login");
request.Content = new StringContent(JsonConvert.SerializeObject(news), Encoding.UTF8, "application/json");
var response = await _client.SendAsync(request);
if (response.IsSuccessStatusCode)
{
var resCont = await response.Content.ReadAsStringAsync();
JObject jwtDynamic = JsonConvert.DeserializeObject <dynamic>(resCont);
var accessToken = jwtDynamic.Value <string>("auth_token");
var Identity = jwtDynamic.Value <string>("id");
//var accessTokenExpiration = jwtDynamic.Value<DateTime>("expires_in");
Settings.Username = username;
Settings.Password = password;
Settings.AccessToken = accessToken;
Settings.Identity = Identity;
//Settings.AccessTokenExpiration = accessTokenExpiration;
var url = "https://altaarefapp.azurewebsites.net/api/Students/GetStdIdByIdentity/" + Settings.Identity;
var stdIdRes = _client.GetAsync(url);
if (stdIdRes.Result.IsSuccessStatusCode)
{
var stdistr = await stdIdRes.Result.Content.ReadAsStringAsync();
int stdIdInt = JsonConvert.DeserializeObject <int>(stdistr);
Settings.StudentId = stdIdInt;
}
var page = new Views.MainMenu.MenuPage().GetMenuPage();
NavigationPage.SetHasNavigationBar(page, false);
Busy = false;
await _pageService.PushAsync(page);
}
else
{
var error = await response.Content.ReadAsStringAsync();
var deserror = JsonConvert.DeserializeObject(error);
// extract errors later..
ErrorMessage = "Invalid Username or Password";
IsErrorVisible = true;
Busy = false;
}
}
