// GET: /Diary/DecrementProduct
public ActionResult DecrementProduct(int productId)
{
// Init Diary
List <DiaryVM> diary = Session["diary"] as List <DiaryVM>;
using (Db db = new Db())
{
// Get model from list
DiaryVM model = diary.FirstOrDefault(x => x.ProductId == productId);
// Decrement qty
if (model.Quantity > 1)
{
model.Quantity--;
}
else
{
model.Quantity = 0;
diary.Remove(model);
}
// Store needed data
var result = new { qty = model.Quantity, Calorie = model.Calorie };
// Return json
return(Json(result, JsonRequestBehavior.AllowGet));
}
}
public ActionResult AddToDiaryPartial(int id)
{
// Init diaryVM list
List <DiaryVM> diary = Session["diary"] as List <DiaryVM> ?? new List <DiaryVM>();
// Init DiaryVM
DiaryVM model = new DiaryVM();
using (Db db = new Db())
{
// Get the product
ProductDTO product = db.Products.Find(id);
// Check if the product is already in Diary
var productInDiary = diary.FirstOrDefault(x => x.ProductId == id);
// If not, add new
if (productInDiary == null)
{
diary.Add(new DiaryVM()
{
ProductId = product.Id,
ProductName = product.Name,
Quantity = 1,
Calorie = product.Calorie,
Image = product.ImageName
});
}
else
{
// If it is, increment
productInDiary.Quantity++;
}
}
// Get total qty and Calorie and add to model
int qty = 0;
int calorie = 0;
foreach (var item in diary)
{
qty += item.Quantity;
calorie += item.Quantity * item.Calorie;
}
model.Quantity = qty;
model.Calorie = calorie;
// Save Diary back to session
Session["diary"] = diary;
// Return partial view with model
return(PartialView(model));
}
// GET: /Diary/RemoveProduct
public void RemoveProduct(int productId)
{
// Init Diary list
List <DiaryVM> diary = Session["diary"] as List <DiaryVM>;
using (Db db = new Db())
{
// Get model from list
DiaryVM model = diary.FirstOrDefault(x => x.ProductId == productId);
// Remove model from list
diary.Remove(model);
}
}
// GET: /Diary/IncrementProduct
public JsonResult IncrementProduct(int productId)
{
// Init Diary list
List <DiaryVM> diary = Session["diary"] as List <DiaryVM>;
using (Db db = new Db())
{
// Get DiaryVM from list
DiaryVM model = diary.FirstOrDefault(x => x.ProductId == productId);
// Increment qty
model.Quantity++;
// Store needed data
var result = new { qty = model.Quantity, calorie = model.Calorie };
// Return json with data
return(Json(result, JsonRequestBehavior.AllowGet));
}
}
public ActionResult DiaryPartial()
{
// Init DiaryVM
DiaryVM model = new DiaryVM();
// Init quantity
int qty = 0;
// Init Calorie
int calorie = 0;
// Check for diary session
if (Session["diary"] != null)
{
// Get total qty and Calorie
var list = (List <DiaryVM>)Session["diary"];
foreach (var item in list)
{
qty += item.Quantity;
calorie += item.Quantity * item.Calorie;
}
model.Quantity = qty;
model.Calorie = calorie;
}
else
{
// Or set qty and Calorie to 0
model.Quantity = 0;
model.Calorie = 0;
}
// Return partial view with model
return(PartialView(model));
}
