/// <summary>
/// Attempts to log the user in
/// </summary>
/// <param name="parameter">The SecureString passed in from the view for the users password</param>
/// <returns></returns>
public async void Login(PasswordBox parameter)
{
CommandHelper ch = new CommandHelper();
await ch.RunBackgroundWorkerWithFlagHelperAsync(() => IsLoginRunning, async() =>
{
try
{
//var pwBox = (PasswordBox)parameter;
string username = this.Email ?? "";
using (var db = new ApirsDatabase())
{
var paramLoginName = new SqlParameter
{
ParameterName = "pLoginName",
Value = username,
Direction = ParameterDirection.Input
};
var paramPass = new SqlParameter
{
ParameterName = "pPassword",
Value = parameter.Password,
Direction = ParameterDirection.Input
};
var paramResponse = new SqlParameter
{
ParameterName = "responseMessage",
Size = 250,
SqlDbType = SqlDbType.NVarChar,
Direction = ParameterDirection.Output
};
string par = db.Database.SqlQuery <string>("exec dbo.spUserLogin @pLoginName, @pPassword, @responseMessage", paramLoginName, paramPass, paramResponse).First();
//Forward the user to the home view or denying the login based on the response of the server
switch (par)
{
case "Invalid login":
case "Incorrect password":
_events.PublishOnUIThreadAsync(new MessageBoxMessage("Wrong password. Please try it again", "", MessageBoxViewType.Information, MessageBoxViewButton.Ok));
break;
case "User successfully logged in":
//Get the actual user id and set it as a property in the shellview
tblPerson result = (from p in db.tblPersons
where p.persUserName == username.ToString()
select p).First();
_events.PublishOnUIThreadAsync(new ChangeUserMessage(Convert.ToInt32(result.persIdPk), result.persFullName));
//Changing the viewmodel to the homeview
_events.PublishOnUIThreadAsync(new ChangeViewModelMessage("HomeView"));
break;
default:
break;
}
}
return;
}
catch (Exception e)
{
_events.PublishOnUIThreadAsync(new MessageBoxMessage(UserMessageValueConverter.ConvertBack(1), "", MessageBoxViewType.Error, MessageBoxViewButton.Ok));
}
});
}