private IEnumerator InviteFriend(string userID, string friendID, Result <bool> result)
{
Result <StorageAccountInfo> r = new Result <StorageAccountInfo>(this);
yield return(StartCoroutine(storage.GetAccountByUserID(userID, r)));
var user = r.Value;
yield return(StartCoroutine(storage.GetAccountByUserID(friendID, r)));
var friend = r.Value;
if (user != null && friend != null)
{
Result <StorageInvitationsCollection> res = new Result <StorageInvitationsCollection>(this);
yield return(StartCoroutine(storage.GetInvitations(friend.userID, res)));
var invitaitonList = res.Value;
var invitation = new InvitationInfo();
invitation.invitationID = System.Guid.NewGuid().ToString();
invitation.inviterID = userID;
invitation.InviteeID = friendID;
invitation.groupName = "";
invitaitonList.invites.Add(invitation);
yield return(StartCoroutine(storage.SetInvitations(friend.userID, invitaitonList, result)));
yield break;
}
result.SetValue(false);
}