public ActionResult GetBooksByIds(string bookids)
{
try
{
using (BookStoreDataContext data = new BookStoreDataContext())
{
var bookidArray = bookids.Split(',').Select(_=> int.Parse(_)).ToArray();
var query = data.Books.Where(book => bookidArray.Contains(book.ID)).Select(_ => new
{
categoryId = _.CategoryId,
bookid = _.ID,
bookname = _.Name,
categoryname = _.Category.Name,
imagename = _.ImageName,
bookprice = _.Price,
});
var result = query.ToList();
return Json(new { success = true, results = result }, JsonRequestBehavior.AllowGet);
}
}
catch (Exception ex)
{
return Json(new { success = false, reason = "servererror" }, JsonRequestBehavior.AllowGet);
}
}
public ActionResult Register(string username, string password)
{
try
{
using (BookStoreDataContext data = new BookStoreDataContext())
{
var user = data.Users.SingleOrDefault(_ => _.Username == username);
if (user == null)
{
user = new User { Username = username, Password = password };
data.Users.InsertOnSubmit(user);
data.SubmitChanges();
return Json(new { results = new { userid = user.ID }, success = true }, JsonRequestBehavior.AllowGet);
}
else
{
return Json(new { success = false, reason = "userexists" }, JsonRequestBehavior.AllowGet);
}
}
}
catch (Exception ex)
{
return Json(new { success = false, reason = "servererror" }, JsonRequestBehavior.AllowGet);
}
}
public ActionResult GetBooks(int? categoryid, int? pageindex, int? pagesize)
{
try
{
using (BookStoreDataContext data = new BookStoreDataContext())
{
var query = data.Books.Select(_ => new
{
categoryId = _.CategoryId,
bookid = _.ID,
bookname = _.Name,
categoryname = _.Category.Name,
imagename = _.ImageName,
bookprice = _.Price,
bookdesc = _.Description
});
if (categoryid != null)
query = query.Where(_ => _.categoryId == categoryid.Value);
if (pageindex != null)
query = query.Skip(pagesize.Value * pageindex.Value);
if (pagesize != null)
query = query.Take(pagesize.Value);
var result = query.ToList();
return Json(new { success = true, results = result }, JsonRequestBehavior.AllowGet);
}
}
catch (Exception ex)
{
return Json(new { success = false, reason = "servererror" }, JsonRequestBehavior.AllowGet);
}
}
public ActionResult SubmitViewLogs(int userid, string bookids, string times)
{
Thread.Sleep(1000);
var items = new List<ViewLogParm>();
var bookidArray = bookids.Split(',').Select(a => int.Parse(a)).ToList();
var timeArray = times.Split(',').Select(a => DateTime.Parse(a)).ToList();
for (int i = 0; i < bookidArray.Count; i++)
{
items.Add(new ViewLogParm
{
bookid = bookidArray[i],
time = timeArray[i]
});
}
using (BookStoreDataContext data = new BookStoreDataContext())
{
data.ViewLogs.InsertAllOnSubmit(items.Select(_ => new ViewLog
{
BookId = _.bookid,
Time = _.time,
UserId = userid
}).ToList());
data.SubmitChanges();
return Json(new { success = true }, JsonRequestBehavior.AllowGet);
}
}
public ActionResult SubmitOrder(int userid, string bookids, string qtys)
{
try
{
var items = new List<OrderItemParm>();
var bookidArray = bookids.Split(',').Select(a=> int.Parse(a)).ToList();
var qtyArray = qtys.Split(',').Select(a => int.Parse(a)).ToList();
for (int i = 0; i < bookidArray.Count; i++)
{
items.Add(new OrderItemParm
{
bookid = bookidArray[i],
qty = qtyArray[i]
});
}
using (BookStoreDataContext data = new BookStoreDataContext())
{
var user = data.Users.SingleOrDefault(_ => _.ID == userid);
if (user != null)
{
var order = new Order
{
Time = DateTime.Now,
UserId = userid,
};
foreach (var bookid in bookidArray)
{
var book = data.Books.SingleOrDefault(b => b.ID == bookid);
if (book != null)
{
var oi = new OrderItem
{
BookId = bookid,
Price = book.Price,
Qty = items.Single(a => a.bookid == bookid).qty,
};
oi.TotalPrice = oi.Price * oi.Qty;
order.OrderItems.Add(oi);
}
}
order.TotalPrice = order.OrderItems.Sum(_ => _.TotalPrice);
data.Orders.InsertOnSubmit(order);
data.SubmitChanges();
return Json(new { results = new { orderid = order.ID }, success = true }, JsonRequestBehavior.AllowGet);
}
else
return Json(new { success = false, reason = "usernotexists" }, JsonRequestBehavior.AllowGet);
}
}
catch (Exception ex)
{
return Json(new { success = false, reason = "servererror" }, JsonRequestBehavior.AllowGet);
}
}
public ActionResult Login(string username, string password)
{
try
{
using (BookStoreDataContext data = new BookStoreDataContext())
{
var user = data.Users.SingleOrDefault(_ => _.Username == username && _.Password == password);
if (user != null)
{
return Json(new { results = new { userid = user.ID }, success = true }, JsonRequestBehavior.AllowGet);
}
else
{
return Json(new { success = false, reason = "authfailed" }, JsonRequestBehavior.AllowGet);
}
}
}
catch(Exception ex)
{
return Json(new { success = false, reason = "servererror" }, JsonRequestBehavior.AllowGet);
}
}
public ActionResult GetBookCategories()
{
try
{
using (BookStoreDataContext data = new BookStoreDataContext())
{
return Json(new
{
success = true,
results = data.Categories.Select(_ => new
{
id = _.ID,
name = _.Name,
}).ToList()
}, JsonRequestBehavior.AllowGet);
}
}
catch (Exception ex)
{
return Json(new { success = false, reason = "servererror" }, JsonRequestBehavior.AllowGet);
}
}
public ActionResult ChangePassword(int id, string password)
{
try
{
using (BookStoreDataContext data = new BookStoreDataContext())
{
var user = data.Users.SingleOrDefault(_ => _.ID == id);
if (user != null)
{
user.Password = password;
data.SubmitChanges();
return Json(new { success = true }, JsonRequestBehavior.AllowGet);
}
else
{
return Json(new { success = false, reason = "usernotexists" }, JsonRequestBehavior.AllowGet);
}
}
}
catch (Exception ex)
{
return Json(new { success = false, reason = "servererror" }, JsonRequestBehavior.AllowGet);
}
}
public ActionResult GetOrders(int userid)
{
try
{
using (BookStoreDataContext data = new BookStoreDataContext())
{
var user = data.Users.SingleOrDefault(_ => _.ID == userid);
if (user != null)
{
return Json(new
{
results = data.Orders.Where(o=>o.UserId == userid).Select(_ => new
{
orderid = _.ID,
totalprice = _.TotalPrice,
time = _.Time,
orderitems = _.OrderItems.Select(__ => new
{
bookid = __.BookId,
bookname = data.Books.SingleOrDefault(b => b.ID == __.BookId).Name,
price = __.Price,
totalprice = __.TotalPrice,
qty = __.Qty
}).ToList(),
}).OrderByDescending(_ => _.time).ToList()
, success = true }, JsonRequestBehavior.AllowGet);
}
else
return Json(new { success = false, reason = "usernotexists" }, JsonRequestBehavior.AllowGet);
}
}
catch (Exception ex)
{
return Json(new { success = false, reason = "servererror" }, JsonRequestBehavior.AllowGet);
}
}
