private void DisplayDuplicates( Direction direction )
{
bool displayed = false;
if ( Convert.ToBoolean( AttributeValue( "Duplicates" ) ) )
{
PersonService personService = new PersonService();
var matches = personService.
Queryable().
Where( p =>
p.Email.ToLower() == tbEmail.Text.ToLower() &&
p.LastName.ToLower() == tbLastName.Text.ToLower() ).
ToList();
if ( matches.Count > 0 )
{
gDuplicates.AllowPaging = false;
gDuplicates.ShowActionRow = false;
gDuplicates.DataSource = matches;
gDuplicates.DataBind();
ShowPanel( 1 );
displayed = true;
}
else
displayed = false;
}
if ( !displayed )
{
if ( direction == Direction.Forward )
DisplaySuccess( CreateUser (CreatePerson(), true));
else
DisplayUserInfo( direction );
}
}
/// <summary>
/// Awaits permission of facebook user and will issue authenication cookie if successful.
/// </summary>
/// <param name="code">Facebook authorization code</param>
/// <param name="state">Redirect url</param>
private void ProcessOAuth( string code, string state )
{
FacebookOAuthResult oAuthResult;
if ( FacebookOAuthResult.TryParse( Request.Url, out oAuthResult ) && oAuthResult.IsSuccess )
{
try
{
// create client to read response
var oAuthClient = new FacebookOAuthClient( FacebookApplication.Current ) { RedirectUri = new Uri( GetOAuthRedirectUrl() ) };
oAuthClient.AppId = PageInstance.Site.FacebookAppId;
oAuthClient.AppSecret = PageInstance.Site.FacebookAppSecret;
dynamic tokenResult = oAuthClient.ExchangeCodeForAccessToken( code );
string accessToken = tokenResult.access_token;
FacebookClient fbClient = new FacebookClient( accessToken );
dynamic me = fbClient.Get( "me" );
string facebookId = "FACEBOOK_" + me.id.ToString();
// query for matching id in the user table
UserService userService = new UserService();
var user = userService.GetByUserName( facebookId );
// if not user was found see if we can find a match in the person table
if ( user == null )
{
try
{
// determine if we can find a match and if so add an user login record
// get properties from Facebook dynamic object
string lastName = me.last_name.ToString();
string firstName = me.first_name.ToString();
string email = me.email.ToString();
var personService = new PersonService();
var person = personService.Queryable().FirstOrDefault( u => u.LastName == lastName && (u.GivenName == firstName || u.NickName == firstName) && u.Email == email );
if ( person != null )
{
// since we have the data enter the birthday from Facebook to the db if we don't have it yet
DateTime birthdate = Convert.ToDateTime( me.birthday.ToString() );
if ( person.BirthDay == null )
{
person.BirthDate = birthdate;
personService.Save( person, person.Id );
}
}
else
{
person = new Person();
person.GivenName = me.first_name.ToString();
person.LastName = me.last_name.ToString();
person.Email = me.email.ToString();
if (me.gender.ToString() == "male")
person.Gender = Gender.Male;
if (me.gender.ToString() == "female")
person.Gender = Gender.Female;
person.BirthDate = Convert.ToDateTime( me.birthday.ToString() );
personService.Add( person, null );
personService.Save( person, null );
}
user = userService.Create( person, AuthenticationType.Facebook, facebookId, "fb", true, person.Id );
}
catch ( Exception ex )
{
string msg = ex.Message;
// TODO: probably should report something...
}
// TODO: Show label indicating inability to find user corresponding to facebook id
}
// update user record noting the login datetime
user.LastLoginDate = DateTime.Now;
user.LastActivityDate = DateTime.Now;
userService.Save( user, user.PersonId );
FormsAuthentication.SetAuthCookie( user.UserName, false );
if ( state != null )
Response.Redirect( state );
}
catch ( FacebookOAuthException oae )
{
string msg = oae.Message;
// TODO: Add error handeling
// Error validating verification code. (usually from wrong return url very picky with formatting)
// Error validating client secret.
// Error validating application.
}
}
}