private void CreateChatHandler(string requestInJson)
{
CreateChatRequest request = JsonSerializer.Deserialize <CreateChatRequest>(requestInJson);
try
{
User creator = server.UserRepository.GetByName(request.Sender);
if (creator == null || creator.State != UserState.Authorized)
{
throw new NedoGramException("Invalid user");
}
if (server.ChatRepository.GetChat(request.ChatName) != null)
{
throw new NedoGramException("Chat with this name already exists");
}
aesEncryption.GenerateKey();
byte[] key = aesEncryption.GetKey();
IChat newChat = new Chat(creator, request.ChatName, key);
newChat.AddUser(creator);
server.UserRepository.UpdateState(creator.Name, UserState.InChat);
server.ChatRepository.AddChat(newChat);
creator.CurrentChat = newChat;
var response = new CreateChatResponse
{
ChatName = newChat.Name,
Code = StatusCode.Ok,
Key = newChat.Key,
RequestId = request.Id,
};
SendMessageAesEncrypted(
response,
ClientAesKey);
Console.WriteLine($"Chat created. ChatName - {newChat.Name}, Creator - {creator.Name}");
}
// todo: system exception should not be available to the client
catch (Exception exception)
{
var errorResponse = new CreateChatResponse
{
Code = StatusCode.ServerError,
RequestId = request.Id,
Message = exception.Message
};
SendMessageAesEncrypted(errorResponse, ClientAesKey);
throw;
}
}
encryptionChatDatas[^ 1] = new EncryptionChatData()
{
Chat = chat,
AESEncryptedKey = request.AESEncryptedChatKey,
KeySession = user.KeySession,
SessionKeySign = request.ChatKeySign,
EncryptedTitle = request.EncryptedTitle
};
chat.EncryptionChatDatas.AddRange(encryptionChatDatas);
await _context.SaveChangesAsync();
UserEvent[] events = new UserEvent[users.Length];
for (int i = 0; i < events.Length; i++)
{
events[i] = new UserEvent()
{
EventType = Enums.UserEventType.ChatCreated,
User = users[i],
Params = new List <UserEventParam>()
{
new UserEventParam()
{
Alias = "chatId",
Value = chat.Id
}
}
};
await _hubContext.Clients.User(users[i].Id).SendAsync("NewEvent", new GetUserEventsResponse()
{
UserEvents = new ExtUserEvent[]
{
(ExtUserEvent)events[i]
}
});
}
_context.UserEvents.AddRange(events);
await _context.SaveChangesAsync();
CreateChatResponse createChatResponse = new CreateChatResponse()
{
ChatId = chat.Id
};
return(MainResponse.GetSuccess(createChatResponse));
}
private void CreateChatResponseHandler(string responseInJson)
{
CreateChatResponse response = JsonSerializer.Deserialize <CreateChatResponse>(responseInJson);
if (response.Code != StatusCode.Ok)
{
Console.WriteLine(response.Message);
return;
}
chatKey = response.Key;
chatName = response.ChatName;
userState = UserState.InChat;
Console.WriteLine("Chat was created successfully");
Console.WriteLine($"Connected to the chat {chatName}");
}
public override void Call(CreateChatRequest packet, IUser sender, IServerManager manager)
{
if (!sender.IsLogIn)
{
return;
}
var chat = new Chat
{
Id = manager.Data.Chats.Count + 1,
Name = packet.Name
};
chat.Profiles.Add(manager.Data.Profiles.Where(x => x.Id == sender.Id).First());
manager.Data.Chats.Add(chat);
var p = new CreateChatResponse
{
Id = chat.Id
};
sender.Connector.Send(p);
}
