private async Task RemoveUserFromRedisAsync(ChatUser user, CancellationToken token = default)
{
var rec = new ChatUserRec {
Id = user.Id, Name = user.Name
};
var serialized = JsonSerializer.Serialize(rec);
await database.SortedSetRemoveAsync(roomKey, serialized);
}
private async Task AddUserToRedisAsync(ChatUser user, CancellationToken token = default)
{
var rec = new ChatUserRec {
Id = user.Id, Name = user.Name
};
var serialized = JsonSerializer.Serialize(rec);
var timestamp = DateTime.Now.Ticks;
await database.SortedSetAddAsync(roomKey, serialized, timestamp);
}
private async Task <bool> TryAddingUserToRedisAsync(ChatUser user, CancellationToken token = default)
{
var present = await CountRoomUsers(token);
if (present >= maxSize)
{
return(false);
}
var rec = new ChatUserRec {
Id = user.Id, Name = user.Name
};
var serialized = JsonSerializer.Serialize(rec);
var timestamp = DateTime.Now.Ticks;
return(await database.SortedSetAddAsync(roomKey, serialized, timestamp, When.NotExists));
}
