async void OnLoginButtonClicked(object sender, EventArgs e)
{
var user = new User
{
Username = usernameEntry.Text,
Password = passwordEntry.Text
};
//var isValid = AreCredentialsCorrect(user);
accessToken = await OAuth.GetAccessToken(user.Username, user.Password);
if (accessToken != null)
{
CouponViewModels data = await OAuth.GetCoupon(accessToken);
App.IsUserLoggedIn = true;
Navigation.InsertPageBefore(new MainPage(), this);
await Navigation.PopAsync();
}
else
{
messageLabel.Text = "Login failed";
passwordEntry.Text = string.Empty;
}
}
public static async Task <CouponViewModels> GetCoupon(string accessToken)
{
CouponViewModels data = new CouponViewModels();
using (var client = new HttpClient())
{
client.BaseAddress = new Uri(baseUri);
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
// Add the Autorization header with the AccessToken
client.DefaultRequestHeaders.Add("Authorization", "Bearer " + accessToken);
// ceate the URL string.
string url = string.Format("api/CouponsNew");
// make the request
HttpResponseMessage response = await client.GetAsync(url);
// parse the response and return the data.
string jsonSting = await response.Content.ReadAsStringAsync();
data = JsonConvert.DeserializeObject <CouponViewModels>(jsonSting);
return(data);
}
}
