public async Task <IPagedList <Message> > GetMessagesThread(GetMessagesThreadPaginationRequest paginationRequest)
{
var currentUser = await profileService.GetCurrentUser();
if (currentUser.Id == paginationRequest.RecipientId)
{
throw new EntityNotFoundException("Messages thread not found");
}
if (!SendMessageOnlyToFriendsSpecification.Create(paginationRequest.RecipientId).IsSatisfied(currentUser))
{
throw new NoPermissionsException("You can chat only with your friends");
}
var messages = await database.MessageRepository.GetMessagesThread(currentUser.Id, paginationRequest.RecipientId, (paginationRequest.PageNumber, paginationRequest.PageSize));
messages = await MarkAsRead(currentUser.Id, paginationRequest.RecipientId, messages);
return(messages);
}
public async Task <Message> Send(string recipientId, string text)
{
var sender = await profileService.GetCurrentUser();
if (sender.Id == recipientId)
{
throw new NoPermissionsException("You cannot send message to yourself");
}
if (!SendMessageOnlyToFriendsSpecification.Create(recipientId).IsSatisfied(sender))
{
throw new NoPermissionsException("You can send message only to your friends");
}
var recipient = await GetRecipient(recipientId);
var message = Message.Create(text);
sender.MessagesSent.Add(message);
recipient.MessagesReceived.Add(message);
return(await database.Complete() ? message : null);
}