public static void HandleEvent(FriendRequestEvent e, MainViewModel dataContext)
{
dataContext.MessageText += $"Friend request was receieved from {e.SenderAccountName}!\n";
}
/// <summary>
/// <see cref="IChatService.SendFriendRequest"/>
/// </summary>
public string SendFriendRequest(string senderName, string recipientName)
{
// Verify the recipient name provided is a valid username.
if (!Validation.IsValidUserName(recipientName))
{
var response = new SendFriendRequestResponse { Result = SendFriendRequestResult.InvalidUsername };
return JsonConvert.SerializeObject(response);
}
// Get the recipient's IP/Port.
var recipient = DatabaseProcedures.GetAccountByName(recipientName);
if (recipient == null)
{
var response = new SendFriendRequestResponse { Result = SendFriendRequestResult.UserNotFound };
return JsonConvert.SerializeObject(response);
}
// TODO: Verify there is not already a pending request.
// DatabaseProcedures.DoesFriendRequestExist(senderId, recipient.Id);
// TODO: Verify the sender isn't blocked by the recipient.
// Send the friend request event to the recipient.
if (ServiceHelpers.GetPresence(recipient) == PresenceStatus.Online)
{
var evnt = new FriendRequestEvent
{
Timestamp = DateTime.Now,
Type = EventType.FriendRequest,
SenderAccountName = senderName
};
EventManager.SendEventToClient(recipient.IpAddress, recipient.Port.Value, evnt);
}
return "good";
}