private async Task<User> LoginUserAsync(string username, string password)
{
var parameters = new Dictionary<string, string>
{
{"username", username},
{"password", password}
};
try
{
DialogService.ShowLoading("Logging you In...");
var result = (await Client.PostApiAsync("login", parameters)).AsDictionary();
var user = new User()
{
AuthToken = result[0]["token"],
UserId = result[0]["id"],
Username = result[0]["username"]
};
Client.AuthenticateUser(user);
return user;
}
catch (ApiExecutionException)
{
throw new LoginException("Invalid Username or Password. Please try again");
}
finally
{
DialogService.HideLoading();
}
}
public void AuthenticateUser(User user)
{
CurrentUser = new MobileServiceUser(user.UserId)
{
MobileServiceAuthenticationToken = user.AuthToken
};
}
private async Task<User> CreateUserAsync(string username, string password)
{
var parameters = new Dictionary<string, string>
{
{ "username", username },
{ "password", password }
};
try
{
DialogService.ShowLoading("Creating User...");
var result = (await Client.PostApiAsync("create_user", parameters)).AsDictionary();
var user = new User()
{
AuthToken = result[0]["token"],
UserId = result[0]["id"],
Username = result[0]["username"]
};
Client.AuthenticateUser(user);
return user;
}
catch (DuplicateDataException)
{
throw new CreateUserException("Duplicate User exists. Please try a different username");
}
finally
{
DialogService.HideLoading();
}
}
public void SaveUser(User user)
{
var defaults = NSUserDefaults.StandardUserDefaults;
defaults[TouchConstants.UserIdKey] = new NSString(EncryptionService.Encrypt(user.UserId));
defaults[TouchConstants.TokenKey] = new NSString(EncryptionService.Encrypt(user.AuthToken));
defaults[TouchConstants.UsernameKey] = new NSString(user.Username);
defaults.Synchronize();
}
public void SaveUser(User user)
{
var editor = PreferenceManager.GetDefaultSharedPreferences(Forms.Context).Edit();
editor.PutString(AndroidConstants.SharedPrefsUserIdKey,
EncryptionService.Encrypt(user.UserId));
editor.PutString(AndroidConstants.SharedPrefsTokenKey,
EncryptionService.Encrypt(user.AuthToken));
editor.PutString(AndroidConstants.SharedPrefsUsernameKey,
user.Username);
editor.Commit();
}
public void SaveUser(User user)
{
IsolatedStorageSettings settings = IsolatedStorageSettings.ApplicationSettings;
if (!settings.Contains(PhoneConstants.SettingsUserIdKey))
settings.Add(PhoneConstants.SettingsUserIdKey, string.Empty);
settings[PhoneConstants.SettingsUserIdKey] = EncryptionService.Encrypt(user.UserId);
if (!settings.Contains(PhoneConstants.SettingsTokenKey))
settings.Add(PhoneConstants.SettingsTokenKey, string.Empty);
settings[PhoneConstants.SettingsTokenKey] = EncryptionService.Encrypt(user.AuthToken);
if (!settings.Contains(PhoneConstants.SettingsUsernameKey))
settings.Add(PhoneConstants.SettingsUsernameKey, string.Empty);
settings[PhoneConstants.SettingsUsernameKey] = user.Username;
settings.Save();
}
public void SetUser(User user)
{
Client.AuthenticateUser(user);
}
public EnterUsernamePage(User user)
{
InitializeComponent();
_theUser = user;
}
