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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using Microsoft.AspNet.Identity;
using Project_Unite.Models;
namespace Project_Unite.Controllers
{
public class ForumController : Controller
{
public ApplicationDbContext db = new ApplicationDbContext();
// GET: Forum
public ActionResult Index()
{
var toplevels = (db.ForumCategories.FirstOrDefault(x => x.Id == "root").Children);
return View(toplevels);
}
//GET: ViewForum
public ActionResult ViewForum(string id)
{
try
{
var cat = db.ForumCategories.FirstOrDefault(m => m.Id == id);
if (!ACL.CanSee(User.Identity.Name, id))
return new HttpStatusCodeResult(403);
return View(cat);
}
catch
{
return new HttpStatusCodeResult(404);
}
}
public const string BadIdChars = "~`!@#$%^&*()-+={}[]|\\:;'\"<,>.?/";
public ActionResult PostReply(string id, string fid)
{
if (!ACL.CanReply(User.Identity.Name, fid))
return new HttpStatusCodeResult(403);
var model = new CreateTopicViewModel();
model.Category = id;
return View(model);
}
[Authorize]
public ActionResult Dislike(string id)
{
var db = new ApplicationDbContext();
var topic = db.ForumTopics.FirstOrDefault(x => x.Discriminator == id);
var uid = User.Identity.GetUserId();
if (topic == null)
return new HttpStatusCodeResult(404);
if (topic.AuthorId == User.Identity.GetUserId())
return RedirectToAction("ViewTopic", new { id = id, triedtolikeowntopic = true });
var like = db.Likes.Where(x => x.Topic == topic.Id).FirstOrDefault(x => x.User == uid);
if (like != null)
{
if (like.IsDislike == false)
{
like.IsDislike = true;
}
else
{
db.Likes.Remove(like);
}
}
else
{
like = new Models.Like();
like.Id = Guid.NewGuid().ToString();
like.User = User.Identity.GetUserId();
like.Topic = topic.Id;
like.LikedAt = DateTime.Now;
like.IsDislike = true;
db.Likes.Add(like);
}
db.SaveChanges();
return RedirectToAction("ViewTopic", new { id = id });
}
[Authorize]
public ActionResult Like(string id)
{
var db = new ApplicationDbContext();
var topic = db.ForumTopics.FirstOrDefault(x => x.Discriminator == id);
var uid = User.Identity.GetUserId();
if (topic == null)
return new HttpStatusCodeResult(404);
if (topic.AuthorId == User.Identity.GetUserId())
return RedirectToAction("ViewTopic", new { id = id, triedtolikeowntopic = true });
var like = db.Likes.Where(x=>x.Topic==topic.Id).FirstOrDefault(x => x.User == uid);
if (like != null)
{
if (like.IsDislike == true)
{
like.IsDislike = false;
}
else
{
db.Likes.Remove(like);
}
}
else
{
like = new Models.Like();
like.Id = Guid.NewGuid().ToString();
like.User = User.Identity.GetUserId();
like.Topic = topic.Id;
like.LikedAt = DateTime.Now;
like.IsDislike = false;
db.Likes.Add(like);
}
db.SaveChanges();
return RedirectToAction("ViewTopic", new { id = id });
}
[Authorize]
public ActionResult EditPost(string id)
{
var db = new ApplicationDbContext();
var topic = db.ForumPosts.FirstOrDefault(x => x.Id == id);
var uid = User.Identity.GetUserId();
string acl_perm = "CanEditPosts";
if (topic == null)
return new HttpStatusCodeResult(404);
if (topic.AuthorId == User.Identity.GetUserId())
acl_perm = "CanEditOwnPosts";
if (!ACL.Granted(User.Identity.Name, acl_perm))
return new HttpStatusCodeResult(403);
var model = new EditPostViewModel();
model.Id = topic.Id;
model.Contents = topic.Body;
return View(model);
}
[Authorize]
public ActionResult DeletePost(string id)
{
var db = new ApplicationDbContext();
var topic = db.ForumPosts.FirstOrDefault(x => x.Id == id);
var uid = User.Identity.GetUserId();
string acl_perm = "CanDeletePosts";
if (topic == null)
return new HttpStatusCodeResult(404);
if (topic.AuthorId == User.Identity.GetUserId())
acl_perm = "CanDeleteOwnPosts";
if (!ACL.Granted(User.Identity.Name, acl_perm))
return new HttpStatusCodeResult(403);
var parent = db.ForumTopics.FirstOrDefault(x => x.Id == topic.Parent);
bool redirectToParent = false;
string cat = "";
if (parent.Posts.Length - 1 == 0)
{
cat = parent.Parent;
db.ForumTopics.Remove(parent);
db.SaveChanges();
redirectToParent = true;
}
db.ForumPosts.Remove(topic);
db.SaveChanges();
if(redirectToParent)
return RedirectToAction("ViewForum", new { id = cat });
return RedirectToAction("ViewTopic", new { id = db.ForumTopics.FirstOrDefault(x => x.Id == topic.Parent).Discriminator});
}
[HttpPost]
[ValidateAntiForgeryToken]
[Authorize]
public ActionResult EditPost(EditPostViewModel model)
{
var db = new ApplicationDbContext();
var topic = db.ForumPosts.FirstOrDefault(x => x.Id == model.Id);
var uid = User.Identity.GetUserId();
string acl_perm = "CanEditPosts";
if (topic == null)
return new HttpStatusCodeResult(404);
if (topic.AuthorId == User.Identity.GetUserId())
acl_perm = "CanEditOwnPosts";
if (!ACL.Granted(User.Identity.Name, acl_perm))
return new HttpStatusCodeResult(403);
var edit = new ForumPostEdit();
edit.EditedAt = DateTime.Now;
edit.EditReason = model.EditReason;
edit.Id = Guid.NewGuid().ToString();
edit.Parent = topic.Id;
edit.PreviousState = topic.Body;
edit.UserId = uid;
db.ForumPostEdits.Add(edit);
topic.Body = model.Contents;
db.SaveChanges();
return RedirectToAction("ViewTopic", new { id = db.ForumTopics.FirstOrDefault(x => x.Id == topic.Parent).Discriminator });
}
[HttpPost]
[ValidateAntiForgeryToken]
[Authorize]
public ActionResult PostReply(CreateTopicViewModel model)
{
var db = new ApplicationDbContext();
var topic = db.ForumTopics.FirstOrDefault(x => x.Discriminator == model.Category);
if (topic == null)
return new HttpStatusCodeResult(404);
if (!ACL.CanReply(User.Identity.Name, topic.Parent))
return new HttpStatusCodeResult(403);
var post = new ForumPost();
post.AuthorId = User.Identity.GetUserId();
post.Body = model.Body;
post.Id = Guid.NewGuid().ToString();
post.Parent = topic.Id;
post.PostedAt = DateTime.Now;
db.ForumPosts.Add(post);
db.SaveChanges();
NotificationDaemon.NotifyFollowers(User.Identity.GetUserId(), "New post from " + ACL.UserNameRaw(User.Identity.GetUserId()) + "!", ACL.UserNameRaw(User.Identity.GetUserId()) + " just posted a reply to " + topic.Subject + ".", Url.Action("ViewTopic", new { id = topic.Discriminator }));
NotificationDaemon.NotifyUser(User.Identity.GetUserId(), topic.AuthorId, "New post from " + ACL.UserNameRaw(User.Identity.GetUserId()) + "!", ACL.UserNameRaw(User.Identity.GetUserId()) + " just posted a reply to " + topic.Subject + ".", Url.Action("ViewTopic", new { id = topic.Discriminator }));
return RedirectToAction("ViewTopic", new { id = topic.Discriminator });
}
public ActionResult CreateTopic(string id)
{
if (!ACL.CanPost(User.Identity.Name, id))
return new HttpStatusCodeResult(403);
var model = new CreateTopicViewModel();
model.Category = id;
return View(model);
}
[HttpPost]
[ValidateAntiForgeryToken]
[Authorize]
public ActionResult CreateTopic(CreateTopicViewModel model)
{
if (!ACL.CanPost(User.Identity.Name, model.Category))
return new HttpStatusCodeResult(403);
var db = new ApplicationDbContext();
var forum = db.ForumCategories.FirstOrDefault(x => x.Id == model.Category);
if (forum == null)
return new HttpStatusCodeResult(404);
string subjectId = model.Subject;
if (String.IsNullOrWhiteSpace(model.Subject) == true)
{
ViewBag.Error = "hey no null subjects";
return new HttpStatusCodeResult(404);
}
char[] badChars = subjectId.Where(x => !AllowedChars.Contains(x)).ToArray();
foreach(var c in badChars)
{
subjectId = subjectId.Replace(c, '_');
}
while (subjectId.Contains("__"))
{
subjectId = subjectId.Replace("__", "_");
}
var topic = new ForumTopic();
topic.AuthorId = User.Identity.GetUserId();
topic.Id = Guid.NewGuid().ToString();
topic.Discriminator = subjectId + "_" + db.ForumTopics.Count().ToString();
topic.StartedAt = DateTime.Now;
topic.Parent = forum.Id;
topic.IsAnnounce = model.IsAnnounce;
topic.IsSticky = model.IsSticky;
topic.IsGlobal = model.IsGlobal;
topic.Subject = model.Subject;
var post = new ForumPost();
post.AuthorId = topic.AuthorId;
post.Body = model.Body;
post.Id = Guid.NewGuid().ToString();
post.Parent = topic.Id;
post.PostedAt = topic.StartedAt;
db.ForumTopics.Add(topic);
db.ForumPosts.Add(post);
db.SaveChanges();
NotificationDaemon.NotifyFollowers(User.Identity.GetUserId(), "New topic started by " + ACL.UserNameRaw(User.Identity.GetUserId()) + "!", ACL.UserNameRaw(User.Identity.GetUserId()) + " just started a topic: " + topic.Subject + ".", Url.Action("ViewTopic", new { id = topic.Discriminator }));
return RedirectToAction("ViewTopic", new { id = topic.Discriminator });
}
const string AllowedChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890abcdefghijklmnopqrstuvwxyz";
[Authorize]
public ActionResult ViewTopic(string id, bool triedtolikeowntopic = false)
{
if (triedtolikeowntopic)
ViewBag.Error = "You cannot like or dislike your own topic!";
var db = new ApplicationDbContext();
var topic = db.ForumTopics.FirstOrDefault(x => x.Discriminator == id);
if (topic == null)
return new HttpStatusCodeResult(404);
if (!ACL.CanSee(User.Identity.Name, topic.Parent))
return new HttpStatusCodeResult(403);
return View(topic);
}
}
}
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