public ActionResult Details(Guid id, Guid?context = null)
{
var message = _messageDao.GetMessageById(id);
// only private messages can be perma linked
if (message.MessageType != MessageType.Private)
{
throw new NotFoundException();
}
if (message.FirstMessage.HasValue)
{
// the user is looking at the wrong page.
// the user should never get here
return(Redirect(Url.MessageDetails(message)));
}
// this will return all the messages for this thread, including the first message that started the conversation
var messages = _messageDao.GetMessagesForThread(message.Id);
// let's make sure that the user is involved with at least one of these messages
if (!_userContext.CurrentUser.IsAdmin)
{
var userModeratingSubs =
_moderationDao.GetSubsModeratoredByUserWithPermissions(_userContext.CurrentUser.Id)
.Where(x => x.Value.HasPermission(ModeratorPermissions.Mail)).Select(x => x.Key).ToList();
// NOTE: Should we check for the user being involved with any message in the thread, or is the first message enough?
if (message.ToUser.HasValue && message.ToUser.Value == _userContext.CurrentUser.Id ||
message.AuthorId == _userContext.CurrentUser.Id ||
message.FromSub.HasValue && userModeratingSubs.Contains(message.FromSub.Value) ||
message.ToSub.HasValue && userModeratingSubs.Contains(message.ToSub.Value))
{
// the user is involved in these discussions!
}
else
{
throw new UnauthorizedException();
}
}
var model = new MessageThreadViewModel();
model.IsModerator = _moderationDao.GetSubsModeratoredByUser(_userContext.CurrentUser.Id).Count > 0;
model.Messages.AddRange(_messageWrapper.Wrap(messages, _userContext.CurrentUser));
if (context.HasValue)
{
model.ContextMessage = model.Messages.SingleOrDefault(x => x.Message.Id == context.Value);
}
model.FirstMessage = model.Messages.Single(x => !x.Message.FirstMessage.HasValue);
return(View(model));
}