/// <summary>
/// <see cref="IChatService.LogIn"/>
/// </summary>
public string LogIn(string accountName, int port)
{
// Lookup the account who is trying to log in.
var account = DatabaseProcedures.GetAccountByName(accountName);
if (account == null)
{
var response = new LoginResponse
{
Result = LoginResult.AccountNotRegistered,
Account = null
};
return JsonConvert.SerializeObject(response);
}
// Set the account's new IP/port.
account.IpAddress = this.GetClientIpAddress();
account.Port = port;
DatabaseProcedures.SetIpAndPort(account);
// Get the account's friends. We don't want to expose the friends' IP addresses or ports so we strip those out in
// the friend model.
var friendAccounts = DatabaseProcedures.GetFriends(account.Id).ToList();
account.Friends = friendAccounts.Select(friend =>
new Friend
{
Id = friend.Id,
UserName = friend.UserName,
Presence = ServiceHelpers.GetPresence(friend)
});
// Send a presence event to each of the user's friends to notify them that this
// user has come online.
this.NotifyFriendsOfPresenceChange(account, friendAccounts);
var successResponse = new LoginResponse
{
Result = LoginResult.Success,
Account = account
};
return JsonConvert.SerializeObject(successResponse);
}
private void HandleSuccessfulLogin(LoginResponse response)
{
// Log the success.
this.Logger.Info($"LoginViewModel.LogIn - The account {response.Account.UserName} successfully logged in at "
+ $"{DateTime.Now}.");
this._parent.DisplayName += $" ({response.Account.UserName})";
this._parent.ShowMainPage(response.Account);
}
