public async Task PutMessageStateModification(MessageStateModification messageState)
{
HttpResponseMessage response = await client.PutAsJsonAsync(url + $"/api/Messages", messageState);
if (!response.IsSuccessStatusCode)
{
throw new Exception("Die Message konnte nicht verädert werden.");
}
}
/// <summary>
/// Meldet das eine Nachricht gelesen wurde.
/// </summary>
/// <param name="messageGuid"></param>
/// <param name="messageState"></param>
/// <returns></returns>
public static async Task ReportMessageHasBeenReaded(string messageGuid)
{
MessageStateModification messageStateModification = new MessageStateModification
{
MessageGuid = messageGuid,
MessageState = MessageState.Readed
};
await apiClientService.PutMessageStateModification(messageStateModification);
}
// Put: api/Messages
public void Put([FromBody] MessageStateModification messageState)
{
var message = ChatServerContext.Messages.FirstOrDefault(m => m.MessageGuid == messageState.MessageGuid);
if (message != null)
{
message.State = messageState.MessageState;
hubContext.Clients.Client(message.From.ConnectionGuid).ReceiveMessageStateModification(messageState);
}
ChatServerContext.SaveChanges();
}
private void ReceiveMessageStateModification(MessageStateModification messageModification)
{
foreach (var conversation in DataContext.Instance.Conversations)
{
var message = conversation.Messages.FirstOrDefault(m => m.MessageGuid == messageModification.MessageGuid);
if (message != null)
{
message.State = messageModification.MessageState;
chatClient?.UpdateMessageState(messageModification);
break;
}
}
}
// POST: api/Messages
public void Post([FromBody] Message message)
{
DataContext.Instance.Context.Messages.Add(message);
ChatServerContext.Messages.Add(message);
ChatServerContext.SaveChanges();
var messageState = new MessageStateModification {
MessageGuid = message.MessageGuid, MessageState = MessageState.OnServer
};
hubContext.Clients.Client(message.From.ConnectionGuid).ReceiveMessageStateModification(messageState);
var conGuid = ChatServerContext.Users.FirstOrDefault(u => u.UserGuid == message.ToGuid)?.ConnectionGuid;
if (conGuid != null)
{
hubContext.Clients.Client(conGuid).ReceivePrivateMessage(message);
}
}
public void UpdateMessageState(MessageStateModification messageStateModification)
{
OnPropertyChanged(nameof(Conversation));
OnPropertyChanged(nameof(Conversations));
}
