public async Task<ActionResult> AddItem(int id, string itemId) {
var isItemOnWishlist = await (
from wi in _db.WishlistItems
where wi.WishlistId == id && wi.ItemId == itemId
select wi
).AnyAsync();
if (isItemOnWishlist) {
return Json(new { IsOnWishlist = true });
}
var wishItem = new WishlistItem {
WishlistId = id,
ItemId = itemId,
Status = WishlistItemStatus.Unapproved,
};
_db.WishlistItems.Add(wishItem);
await _db.SaveChangesAsync();
return Json(new { IsOnWishlist = true });
}
