//删除好友
public void DeleteFriend(object sender, RoutedEventArgs e)
{
MessageBoxResult result = MessageBox.Show("删除该好友？", "提示", MessageBoxButton.OKCancel, MessageBoxImage.Question);
if (MessageBoxResult.OK == result)
{
//进行删除好友的操作
//将删除好友的信息发送给服务端，由服务端同时删除用户和好友的好友表中的对应ID
JObject obj = new JObject();
obj["Id"] = this.Id;
String str = obj.ToString();
MClient mClient = MClient.CreateInstance();
mClient.SendDeleteFriend(str);
//同时客户端本地将该好友从队列中删除
SqliteConnect.DeleteFriendById(this.Id);
//然后从好友队列中删除
Application.Current.Dispatcher.Invoke(
new Action(() =>
{
FriendListViewModel friendListViewModel = FriendListViewModel.CreateInstance();
FriendEntity.InGroupListDelete(friendListViewModel.friendGroups, this.Id);
})
);
}
}
//好友在不在分组中，在，返回该好友，不在，添加新的好友，返回该好友
public static FriendEntity InGroupAdd(ref FriendGroup friendGroup, String name)
{
foreach (var entity in friendGroup.Friends)
{
if (entity.Name == name)
{
return(entity);
}
}
FriendEntity friendentity = new FriendEntity();
friendGroup.FriendGroupAdd(ref friendentity);
return(friendentity);
}
public static FriendEntity InRequestAdd(ref ObservableCollection <FriendEntity> friendRequestGroup, String name)
{
foreach (var entity in friendRequestGroup)
{
if (entity.Name == name)
{
return(entity);
}
}
FriendEntity friendentity = new FriendEntity();
friendRequestGroup.Add(friendentity);
return(friendentity);
}
//从整个好友列表中删除对应的对象
public static void InGroupListDelete(ObservableCollection <FriendGroup> friendGroups, String id)
{
FriendGroup friendGroup = null;
FriendEntity friendEntity = null;
foreach (var group in friendGroups)
{
foreach (var entity in group.Friends)
{
if (entity.Id == id)
{
friendGroup = group;
friendEntity = entity;
break;
}
}
}
//删除对应的对象
friendGroup.Friends.Remove(friendEntity);
if (friendGroup.Friends.Count == 0)
{
friendGroups.Remove(friendGroup);
}
}
//分组对象添加函数
public void FriendGroupAdd(ref FriendEntity friendEntities)
{
Friends.Add(friendEntities);
}
