public async Task <ChatMessageReceivedByChatRoomEvent> Run(ChatMessageSentEvent message)
{
var chatMessage = _messages.Find(message.Contents.Id);
var chatRoomId = CalculateChatRoomId(chatMessage.Destination);
var chatRoom = _chatRooms.Find(chatRoomId);
if (!_chatRooms.ListMembers(chatRoom.Id).Any(m => chatMessage.Sender.Id == m.Id))
{
throw new PermissionException("User is not a member of this chat room.");
}
var messageReceivedEvent = new ChatMessageReceivedByChatRoomEvent
{
ChatMessage = chatMessage,
ChatRoom = chatRoom,
DateReceived = DateTime.Now
};
_chatMessageReceivedEvents.Add(messageReceivedEvent);
return(await Task.FromResult(messageReceivedEvent));
}
public IEnumerable <ChatUser> Members(int chatRoomId) => _chatRoomsRepository.ListMembers(chatRoomId);