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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 WikiController : Controller
{
public ActionResult Index(string id = "", bool triedtolikeowntopic=false)
{
var db = new ApplicationDbContext();
var model = new WikiViewModel();
var wikicategories = db.WikiCategories.Where(x => x.Parent == "none");
model.Categories = wikicategories;
model.Page = db.WikiPages.FirstOrDefault(x => x.Id == id);
if (triedtolikeowntopic)
ViewBag.Error = "You cannot like or dislike your own wiki page.";
return View(model);
}
[Authorize]
public ActionResult EditPage(string id)
{
var db = new ApplicationDbContext();
var model = new AddWikiPageViewModel();
var wiki = db.WikiPages.FirstOrDefault(x => x.Id == id);
if (wiki == null)
return new HttpStatusCodeResult(404);
model.Content = wiki.Contents;
model.Name = wiki.Name;
model.ParentId = wiki.CategoryId;
model.PageId = id;
return View(model);
}
[Authorize]
[ValidateAntiForgeryToken]
[HttpPost]
public ActionResult EditPage(AddWikiPageViewModel model)
{
if (!ModelState.IsValid)
return View(model);
var db = new ApplicationDbContext();
var wiki = db.WikiPages.FirstOrDefault(x => x.Id == model.PageId);
if (wiki == null)
return new HttpStatusCodeResult(404);
var edit = new ForumPostEdit();
edit.PreviousState = wiki.Contents;
edit.EditedAt = DateTime.Now;
edit.UserId = User.Identity.GetUserId();
edit.Id = Guid.NewGuid().ToString();
edit.Parent = wiki.Id;
db.ForumPostEdits.Add(edit);
wiki.Contents = model.Content;
wiki.CategoryId = model.ParentId;
db.SaveChanges();
return RedirectToAction("Index", new { id = model.PageId });
}
public ActionResult Random()
{
var db = new ApplicationDbContext();
var rnd = new Random();
var index = rnd.Next(0, db.WikiPages.Count());
if (db.WikiPages.Count() == 0)
return RedirectToAction("Index");
var wiki = db.WikiPages.ToArray()[index].Id;
return RedirectToAction("Index", new { id = wiki });
}
[Authorize]
public ActionResult AddPage()
{
return View(new AddWikiPageViewModel());
}
[Authorize]
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult AddPage(AddWikiPageViewModel model)
{
if (!ModelState.IsValid)
return View(model);
var db = new ApplicationDbContext();
var page = new WikiPage();
page.CategoryId = model.ParentId;
page.Contents = model.Content;
page.Name = model.Name;
string allowed = "abcdefghijklmnopqrstuvwxyz1234567890_";
page.Id = page.Name.ToLower();
foreach(var c in page.Id.ToCharArray())
{
if (!allowed.Contains(c))
page.Id = page.Id.Replace(c, '_');
}
var edit = new ForumPostEdit();
edit.Id = Guid.NewGuid().ToString();
edit.Parent = page.Id;
edit.EditedAt = DateTime.Now;
edit.EditReason = "Page created.";
edit.PreviousState = page.Contents;
edit.UserId = User.Identity.GetUserId();
db.ForumPostEdits.Add(edit);
db.WikiPages.Add(page);
db.SaveChanges();
return RedirectToAction("Index", new { id = edit.Id });
}
[Authorize]
public ActionResult DislikePage(string id)
{
var db = new ApplicationDbContext();
var topic = db.WikiPages.FirstOrDefault(x => x.Id == id);
var uid = User.Identity.GetUserId();
if (topic == null)
return new HttpStatusCodeResult(404);
if (topic.EditHistory.OrderBy(x => x.EditedAt).First().UserId == User.Identity.GetUserId())
return RedirectToAction("Index", 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("Index", new { id = id });
}
[Authorize]
public ActionResult LikePage(string id)
{
var db = new ApplicationDbContext();
var topic = db.WikiPages.FirstOrDefault(x => x.Id == id);
var uid = User.Identity.GetUserId();
if (topic == null)
return new HttpStatusCodeResult(404);
if (topic.EditHistory.OrderBy(x=>x.EditedAt).First().UserId == User.Identity.GetUserId())
return RedirectToAction("Index", 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("Index", new { id = id });
}
}
}
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