public AccountService(IIdentityService identityService, ISuspensionManagerState suspensionManagerState, ICredentialStore credentialStore)
{
_identityService = identityService;
_suspensionManagerState = suspensionManagerState;
_credentialStore = credentialStore;
if (_suspensionManagerState != null)
{
if (_suspensionManagerState.SessionState.ContainsKey(ServerCookieHeaderKey))
{
_serverCookieHeader = _suspensionManagerState.SessionState[ServerCookieHeaderKey] as string;
}
if (_suspensionManagerState.SessionState.ContainsKey(SignedInUserKey))
{
_signedInUser = _suspensionManagerState.SessionState[SignedInUserKey] as UserInfo;
}
if (_suspensionManagerState.SessionState.ContainsKey(UserNameKey))
{
_userName = _suspensionManagerState.SessionState[UserNameKey].ToString();
}
if (_suspensionManagerState.SessionState.ContainsKey(PasswordKey))
{
_password = _suspensionManagerState.SessionState[PasswordKey].ToString();
}
}
}
public SignOutFlyoutViewModel(IAccountService accountService, INavigationService navigationService)
{
_accountService = accountService;
_navigationService = navigationService;
GoBackCommand = new DelegateCommand(() => GoBack());
if (_accountService != null)
_userInfo = _accountService.SignedInUser;
}
public SignInFlyoutViewModel(IAccountService accountService)
{
_accountService = accountService;
if (accountService != null)
{
_lastSignedInUser = _accountService.SignedInUser;
}
// <snippet308>
SignInCommand = DelegateCommand.FromAsyncHandler(SignInAsync, CanSignIn);
// </snippet308>
GoBackCommand = new DelegateCommand(() => GoBack());
}
public void RaiseUserChanged(UserInfo newUserInfo, UserInfo oldUserInfo)
{
UserChanged(this, new UserChangedEventArgs(newUserInfo, oldUserInfo));
}
public void SignOut()
{
var previousUser = _signedInUser;
_signedInUser = null;
_serverCookieHeader = null;
// remove user from the CredentialStore, if any
_credentialStore.RemovedSavedCredentials("KonaRI");
RaiseUserChanged(_signedInUser, previousUser);
}
private void RaiseUserChanged(UserInfo newUserInfo, UserInfo oldUserInfo)
{
var handler = UserChanged;
if (handler != null)
{
handler(this, new UserChangedEventArgs(newUserInfo, oldUserInfo));
}
}
public async Task<bool> SignInUserAsync(string userName, string password, bool useCredentialStore)
{
try
{
// <snippet507>
var result = await _identityService.LogOnAsync(userName, password);
// </snippet507>
UserInfo previousUser = _signedInUser;
_signedInUser = result.UserInfo;
// Save Server cookie & SignedInUser in the StateService
_serverCookieHeader = result.ServerCookieHeader;
_suspensionManagerState.SessionState[ServerCookieHeaderKey] = _serverCookieHeader;
_suspensionManagerState.SessionState[SignedInUserKey] = _signedInUser;
// Save username and password in state service
_userName = userName;
_password = password;
_suspensionManagerState.SessionState[UserNameKey] = userName;
_suspensionManagerState.SessionState[PasswordKey] = password;
if (useCredentialStore)
{
// Save credentials in the CredentialStore
_credentialStore.SaveCredentials("KonaRI", userName, password);
}
RaiseUserChanged(_signedInUser, previousUser);
return true;
}
catch (HttpRequestException)
{
_serverCookieHeader = string.Empty;
_suspensionManagerState.SessionState[ServerCookieHeaderKey] = _serverCookieHeader;
}
return false;
}
public UserChangedEventArgs(UserInfo newUserInfo, UserInfo oldUserInfo)
{
NewUserInfo = newUserInfo;
OldUserInfo = oldUserInfo;
}