public ActionResult AllTitles()
{
// TODO: Implement
using (Team63LibraryContext db = new Team63LibraryContext())
{
var query = from t in db.Titles
join i in db.Inventory on t.Isbn equals i.Isbn into join1
from j1 in join1.DefaultIfEmpty()
join c in db.CheckedOut on j1.Serial equals c.Serial into join2
from j2 in join2.DefaultIfEmpty()
join p in db.Patrons on j2.CardNum equals p.CardNum into join3
from j3 in join3.DefaultIfEmpty()
select new
{
isbn = t.Isbn,
title = t.Title,
author = t.Author,
serial = j1 != null ? (uint?)j1.Serial : null,
name = j3 == null ? "" : j3.Name
};
return(Json(query.ToArray()));
}
}
public IActionResult CheckLogin(string name, int cardnum)
{
// TODO: Fill in. Determine if login is successful or not.
bool loginSuccessful;
using (Team63LibraryContext db = new Team63LibraryContext())
{
var query = from p in db.Patrons
where
p.Name == name && p.CardNum == cardnum
select p;
if (query.Count() < 1)
{
loginSuccessful = false;
}
else
{
loginSuccessful = true;
}
}
if (!loginSuccessful)
{
return(Json(new { success = false }));
}
else
{
user = name;
card = cardnum;
return(Json(new { success = true }));
}
}
public ActionResult ReturnBook(int serial)
{
// You may have to cast serial to a (uint)
using (Team63LibraryContext db = new Team63LibraryContext())
{
CheckedOut c = new CheckedOut();
c.CardNum = (uint)card;
c.Serial = (uint)serial;
db.CheckedOut.Remove(c);
db.SaveChanges();
}
return(Json(new { success = true }));
}
public ActionResult ListMyBooks()
{
// TODO: Implement
using (Team63LibraryContext db = new Team63LibraryContext())
{
var query = from t in db.Titles
join i in db.Inventory on t.Isbn equals i.Isbn into join1
from j1 in join1.DefaultIfEmpty()
join c in db.CheckedOut on j1.Serial equals c.Serial into join2
from j2 in join2.DefaultIfEmpty()
where j2.CardNum == card
select new
{
title = t.Title,
author = t.Author,
serial = j2.Serial
};
return(Json(query.ToArray()));
}
}
