public IActionResult Share(Guid listId)
{
ShoppingList list = lists.Get(GetUser(), listId);
if (list == null)
{
Message("Can't find list to share");
return(RedirectToRoute(Names.ListIndex, Names.ListHash));
}
ListShareVM vm = new ListShareVM
{
ListName = list.Name,
ListID = list.ID,
Friends = new List <ListShareFriendVM>(),
};
foreach (User friend in lists.GetFriends(GetUser()))
{
vm.Friends.Add(new ListShareFriendVM
{
IsShared = list.Users.Any(u => u.UserId == friend.ID),
UserID = friend.ID,
UserName = friend.Name,
});
}
return(View(vm));
}
public async Task <IActionResult> Share(Guid listId, ListShareVM vm)
{
if (!ModelState.IsValid)
{
return(View(vm));
}
ShoppingList list = lists.Get(GetUser(), listId);
if (list == null)
{
Message("Can't find list to share");
return(RedirectToRoute(Names.ListIndex, Names.ListHash));
}
User current = GetUser();
IEnumerable <User> friends = lists.GetFriends(current);
foreach (ListShareFriendVM userVM in vm.Friends)
{
User u = lists.GetUser(userVM.UserID);
if (u == null)
{
ModelState.AddModelError(nameof(userVM.UserID), "Unknown user ID");
continue;
}
if (!friends.Contains(u))
{
ModelState.AddModelError(nameof(userVM.UserName), "Can only share lists with friends");
continue;
}
}
if (!ModelState.IsValid)
{
return(View(vm));
}
foreach (ListShareFriendVM userVM in vm.Friends)
{
User u = lists.GetUser(userVM.UserID);
await lists.ShareList(list, u, userVM.IsShared);
}
if (list.Users.Count > 1)
{
Message("List {0} shared with {1}", list.Name, string.Join(", ", list.Users.Where(ul => ul.User != current).Select(ul => ul.User.Name)));
}
else
{
Message("List {0} not shared with anyone", list.Name);
}
return(RedirectToRoute(Names.ListDetails, new { listId = list.ID }, Names.ItemsHash));
}
