protected async override void OnAppearing()
{
base.OnAppearing();
if (CrossConnectivity.IsSupported && CrossConnectivity.Current.IsConnected)
{
var Result = await SettingsController.GetSettings();
_Username.Text = Result["name"];
_UserAddress.Text = Result["address"];
_PhoneNo.Text = Result["phone"];
_FullName.Text = Result["name"];
_DOB.Text = Result["dob"];
_Email.Text = Result["email"];
}
else
{
var Result = await UserDetailsHandler.GetUserDetails();
_Username.Text = Result.FullName;
_UserAddress.Text = Result.Address;
_PhoneNo.Text = Result.PhoneNo;
_FullName.Text = Result.FullName;
_DOB.Text = Result.DOB;
_Email.Text = Result.Email;
}
}
private async void SetupRegistration()
{
FolderCreationHandler FCH = new FolderCreationHandler();
string response = FCH.StartCreationProcess(UN.UserName);
if (response.Contains("complete"))
{
UserDetailsHandler.AccessToken = ATC.AccessToken;
UserDetailsHandler.Password = UN.NewPassword;
UserDetailsHandler.SecretQuest = SecControl.Question;
UserDetailsHandler.SecretAnswer = SecControl.Answer;
UserDetailsHandler.FilePath = UN.UserName;
UserDetailsHandler.WriteUserDetails();
await this.ATC.MainMetro.ShowMessageAsync("Success", response, MessageDialogStyle.Affirmative);
Success();
}
else
{
await this.ATC.MainMetro.ShowMessageAsync("Sorry", response);
}
}
private async Task HandleLoginAction()
{
bool isUserEmpty = string.IsNullOrEmpty(nUser.Text);
bool isPasswordEmpty = string.IsNullOrEmpty(nPassword.Text);
if (isUserEmpty || isPasswordEmpty)
{
if (isUserEmpty)
{
nUser.Focus();
}
nUser.PlaceholderColor = Color.Red;
if (isPasswordEmpty)
{
nPassword.Focus();
}
nPassword.PlaceholderColor = Color.Red;
await DisplayAlert("Alert", "Pleae fill the RED fields", "Ok");
}
else
{
///no internet access
///local sign in
if (!CrossConnectivity.Current.IsConnected)
{
String Hashed = "";
using (var sha = SHA512.Create())
{
using (var md5 = MD5.Create())
{
Hashed = Convert.ToBase64String(md5.ComputeHash(Encoding.UTF8.GetBytes(Convert.ToBase64String(sha.ComputeHash(Encoding.UTF8.GetBytes(nPassword.Text))))));
}
}
///verification
var UserInfo = await LoginHandler.LoginInfo(nUser.Text, Hashed);
if (UserInfo.Count > 0)
{
if (UserInfo[0].MedicID != 0)
{
Utilities.MedicID = UserInfo[0].MedicID;
}
await Navigation.PushAsync(new HomePage(UserInfo[0].UserID, (UserInfo[0].MedicID != 0)));
Navigation.RemovePage(this);
}
else
{
await DisplayAlert("Alert", "Please create an account when you are connected before you can use this application offline.", "Ok");
}
}
else
{
Dictionary <int, String[]> KeyValues = new Dictionary <int, string[]>();
KeyValues.Add(0, new String[] { "password", nPassword.Text });
KeyValues.Add(1, new String[] { "user", nUser.Text });
FormUrlEncodedContent Data = Utilities.PostDataEncoder(KeyValues);
String ResponseJson = "";
try
{
ResponseJson = await Model.LoginModel.Login(Data);
var DecodedJson = JObject.Parse(ResponseJson.ToString());
if (Convert.ToBoolean(DecodedJson["status"]))
{
///request needed permission of not granted
bool StoragePermissionGranted = await Utilities.CheckPermission(Permission.Storage, Utilities.ApplicationName + " would need access to device storage.");
Utilities.IsLoggedIn = true;
Utilities.IsMedic = Convert.ToBoolean(DecodedJson["info"]["is_medic"]);
Utilities.ID = (int)DecodedJson["info"]["id"];
if (Utilities.IsMedic)
{
Utilities.MedicID = (int)DecodedJson["info"]["medic_id"];
}
///save info to local db
using (var sha = SHA512.Create())
{
using (var md5 = MD5.Create())
{
String Hashed = Convert.ToBase64String(md5.ComputeHash(Encoding.UTF8.GetBytes(Convert.ToBase64String(sha.ComputeHash(Encoding.UTF8.GetBytes(nPassword.Text))))));
var UserInfo = await LoginHandler.LoginInfo(nUser.Text, Hashed);
if (UserInfo.Count == 0)
{
await LoginHandler.InsertNewLoginInfo(nUser.Text, Hashed, (int)DecodedJson["info"]["id"], (Utilities.IsMedic)?(int)DecodedJson["info"]["medic_id"] : 0, DecodedJson["info"]["name"].ToString());
var UserDetails = await SettingsController.GetSettings();
await UserDetailsHandler.SaveUserDetails(new UserDetailsModel { Address = UserDetails["address"], DOB = UserDetails["dob"], Email = UserDetails["email"], FullName = UserDetails["name"], PhoneNo = UserDetails["phone"], UserID = Utilities.ID });
}
}
}
await Navigation.PushAsync(new HomePage((int)DecodedJson["info"]["id"], Utilities.IsMedic));
//await ChatHandler.GetLastUniqueConversation();
Navigation.RemovePage(this);
}
else
{
await DisplayAlert("Alert", DecodedJson["message"].ToString(), "Okay");
}
}
catch (System.Net.WebException WebEx)
{
await DisplayAlert("Alert", WebEx.Message + "\n" + Utilities.BaseAddress + "\n" + ResponseJson, "Okay");
}
catch (Exception ex)
{
await DisplayAlert("Alert", ex.StackTrace + "\n" + Utilities.BaseAddress + "\n" + ResponseJson, "Okay");
}
}
}
}
