public async Task <IActionResult> Delete(int id)
{
var redirectPath = ForumViewResult.GetReferrer(this);
if (ModelState.IsValid)
{
var message = await DbContext.Messages.FirstOrDefaultAsync(m => m.Id == id);
if (message is null || message.Deleted)
{
throw new HttpNotFoundError();
}
if (message.PostedById != UserContext.ApplicationUser.Id && !UserContext.IsAdmin)
{
throw new HttpForbiddenError();
}
var topic = await DbContext.Topics.SingleAsync(m => m.Id == message.TopicId);
if (topic.FirstMessageId == message.Id)
{
redirectPath = base.Url.Action(nameof(Topics.Delete), nameof(Controllers.Topics), new { topic.Id });
}
else
{
await MessageRepository.DeleteMessageFromTopic(message, topic);
await TopicRepository.RebuildTopicReplies(topic);
await DbContext.SaveChangesAsync();
redirectPath = Url.Action(nameof(Topics.Latest), nameof(Topics), new { id = topic.Id });
await ForumHub.Clients.All.SendAsync("deleted-message", new HubModels.Message {
TopicId = topic.Id,
MessageId = message.Id
});
}
}
return(Redirect(redirectPath));
}
