public Task <shopping_list> AddAsync(Guid token, shopping_list sl)
{
using var db = new ShoppingdbContext();
if (AuthenticationService.ValidateAsync(token).Result)
{
var newSl = new shopping_list {
gid = sl.gid,
slname = sl.slname
};
var result = db.shopping_list.Add(newSl).Entity;
db.SaveChanges();
var soldOut = db.item.Where(i => i.sold_out).ToList();
foreach (var i in soldOut)
{
db.item.Remove(i);
db.SaveChanges();
i.sold_out = false;
i.slid = result.slid;
db.item.Add(i);
}
db.SaveChanges();
return(Task.FromResult(result));
}
return(null);
}
public Task <List <item> > GetItemsAsync(Guid token, int slid)
{
using var db = new ShoppingdbContext();
if (AuthenticationService.ValidateAsync(token).Result)
{
return(Task.FromResult(db.item.Where(i => i.slid == slid).ToList()));
}
return(null);
}
public Task <List <shopping_list> > GetShoppingListsAsync(Guid token)
{
using var db = new ShoppingdbContext();
if (AuthenticationService.ValidateAsync(token).Result)
{
return(Task.FromResult(db.shopping_list.ToList()));
}
return(null);
}
public Task <item> DeleteAsync(Guid token, item item)
{
using var db = new ShoppingdbContext();
if (AuthenticationService.ValidateAsync(token).Result)
{
var result = db.item.Remove(item).Entity;
db.SaveChanges();
return(Task.FromResult(result));
}
return(null);
}
public Task <item> UpdateAsync(Guid token, item item)
{
using var db = new ShoppingdbContext();
if (AuthenticationService.ValidateAsync(token).Result)
{
db.Entry(item).State = EntityState.Modified;
db.SaveChanges();
return(Task.FromResult(item));
}
return(null);
}
public Task <Guid> AuthenticateAsync(string username, string pw)
{
using var db = new ShoppingdbContext();
bool valid = db.user_.Any <user_>(u => u.uname == username && u.passw == pw);
if (valid)
{
int uid = db.user_.Where(u => u.uname == username).First().uid;
return(Task.FromResult(db.auth_token.Where(t => t.user == uid).First().token));
}
return(null);
}
public Task <shopping_list> DeleteAsync(Guid token, shopping_list sl)
{
using var db = new ShoppingdbContext();
if (AuthenticationService.ValidateAsync(token).Result)
{
if (db.item.Any(i => i.slid == sl.slid))
{
foreach (var i in db.item.Where(i => i.slid == sl.slid).ToList())
{
db.item.Remove(i);
}
}
var result = db.shopping_list.Remove(sl).Entity;
db.SaveChanges();
return(Task.FromResult(result));
}
return(null);
}
public Task <item> AddAsync(Guid token, item item)
{
using var db = new ShoppingdbContext();
if (AuthenticationService.ValidateAsync(token).Result)
{
var newItem = new item
{
slid = item.slid,
iname = item.iname,
ammount = item.ammount,
added_by = item.added_by,
sold_out = item.sold_out
};
var result = db.item.Add(newItem).Entity;
db.SaveChanges();
return(Task.FromResult(result));
}
return(null);
}
public Task <bool> ValidateAsync(Guid token)
{
using var db = new ShoppingdbContext();
return(Task.FromResult(db.auth_token.Any(t => t.token == token)));
}
