public async Task <IActionResult> Update(int PetID, string Notes)
{
var userJSON = HttpContext.Session.GetString("profile");
var userProfile = JsonConvert.DeserializeObject <Profile>(userJSON);
Favorite favorite = new Favorite()
{
UserID = userProfile.UserID,
PetID = PetID,
Notes = Notes
};
await _context.UpdateFavorite(favorite);
return(RedirectToAction(nameof(Index)));
}