public async Task OnGetAsync()
{
var curUserId = CurUserId;
UserFriends = await UserService.GetUserFriends(curUserId).ToListAsync().ConfigureAwait(false);
//不是我 且不在好友表中
var otherTeachers = await UserClient.GetUsersByRoleNameAsync(new UserGrpcService.RoleNameReq
{
RoleName = ConstStrings.Role_Teacher,
Skip = 0,
Take = 1000
});
OtherTeachers = otherTeachers.Users.Where(e => !UserFriends.Any(ee => ee == e.Id) && e.Id != CurUserId);
}
public void AddToFriends(User subscriber)
{
if (Id == subscriber.Id)
{
throw new Exception("You can not add to friend yourself");
}
if (!Subscribers.Any(sub => sub.Subscriber.Id == subscriber.Id))
{
throw new Exception("This user is not your subscriber");
}
if (UserFriends.Any(friend => friend.Friend.Id == subscriber.Id))
{
throw new Exception("This user already your friend");
}
UserFriends.Add(new UserFriend(Id, subscriber.Id));
RemoveFromSubscribers(subscriber.Id);
}