public async Task UnfollowUserId(long userId)
{
if (logger.IsVerbose)
{
logger.Verbose("{0} UnfollowUserId({1}).", Me, userId);
}
IMsgPublisher userToUnfollow = GrainFactory.GetGrain <IMsgPublisher>(userId);
string alias = await userToUnfollow.GetUserAlias();
await UnfollowUser(userId, alias, userToUnfollow);
}
private async Task UnfollowUser(long userId, string userAlias, IMsgPublisher userToUnfollow)
{
await userToUnfollow.RemoveFollower(State.UserAlias, this);
ConnectorInfo userInfo = ConnectorInfo.GetUserInfo(userId, userAlias);
State.Subscriptions.Remove(userInfo);
await WriteStateAsync();
// Notify any viewers that a subscription has been removed for this user
viewers.Notify(
v => v.SubscriptionRemoved(userInfo)
);
}
private async Task FollowUser(long userId, string userAlias, IMsgPublisher userToFollow)
{
if (logger.IsVerbose)
{
logger.Verbose("{0} FollowUser({1}).", Me, userAlias);
}
await userToFollow.AddFollower(State.UserAlias, State.UserId, this);
ConnectorInfo userInfo = ConnectorInfo.GetUserInfo(userId, userAlias);
State.Subscriptions[userInfo] = userToFollow;
await WriteStateAsync();
// Notify any viewers that a subscription has been added for this user
viewers.Notify(
v => v.SubscriptionAdded(userInfo)
);
}