public ActionResult Edit(string id, string username, double rating, string text)
{
double newRating = rating < 0 ? 0 : rating > 10 ? 10 : rating;
try
{
Comment commentToedit = _commentBl.GetById(int.Parse(id));
User user = _userBl.GetById(username);
if (commentToedit == null)
{
return(RedirectToAction("Index", "Error", new { error = string.Format("Could not find comment with username {0}", id) }));
}
commentToedit.Text = text;
commentToedit.Publisher = user;
commentToedit.Rating = newRating;
commentToedit.Date = DateTime.Now;
_commentBl.Update(commentToedit);
return(RedirectToAction("Details", "Comment"));
}
catch
{
return(RedirectToAction("Index", "Error"));
}
}
// GET: Recommendation
public ActionResult Index()
{
double min = int.MaxValue;
var closestUserName = "";
string userName = HttpContext.Session.GetString("ConnectedUserId");
if (String.IsNullOrEmpty(userName))
{
return(RedirectToAction("Index", "Error", new { error = string.Format("Could not find current user") }));
}
try
{
var user = _userBl.GetById(userName);
// dictionary of score of user
var usersScore = _commentBl.GetAll().GroupBy(c => c.Publisher.UserName)
.Select(g => new
{
g.Key,
Value = g.Sum(x => x.Rating)
}).ToDictionary(x => x.Key, x => x.Value);
// get current user score
var userScore = usersScore[userName];
usersScore.Remove(userName);
// get closest user for current user
foreach (var item in usersScore)
{
if (min > Math.Abs(userScore - item.Value))
{
min = userScore - item.Value;
closestUserName = item.Key;
}
}
var allProducts = _productBl.GetAllProducts();
var comment = allProducts.FindAll(p => p.Comments.Any(c => c.Publisher != user && c.Publisher.UserName == closestUserName)).SelectMany(p => p.Comments).ToList().FindAll(c => c.Publisher.UserName == closestUserName).OrderByDescending(c => c.Rating).FirstOrDefault();
if (comment == null)
{
var highestComment = allProducts.SelectMany(p => p.Comments).ToList().OrderByDescending(c => c.Rating).FirstOrDefault();
var recommendedHeightestProduct = allProducts.First(p => p.Comments.ToList().Contains(comment));
return(View(recommendedHeightestProduct));
}
var recommendedProduct = allProducts.First(p => p.Comments.ToList().Contains(comment));
return(View(recommendedProduct));
}
catch (Exception e)
{
return(RedirectToAction("Index", "Error", new { error = string.Format("an error while get recommendation please try again") }));
}
}
// GET: User/Edit/
public ActionResult Edit(string id)
{
if (!IsAdminConnected())
{
return(RedirectToAction("Index", "Error", new { error = "You must be an admin to edit. please go to admin page" }));
}
try
{
User user = _userBl.GetById(id);
if (user == null)
{
return(RedirectToAction("Index", "Error", new { error = string.Format("Could not find user with id {0}", id) }));
}
return(View(user));
}
catch
{
return(RedirectToAction("Index", "Error"));
}
}