/// <summary>
/// Replaces an old <c>Shop</c>-Object with a modified one.
/// </summary>
/// <param name="oldShop">The <c>Shop</c>-Object that should be replaced.</param>
/// <param name="newShop">The <c>Shop</c>-Object that should be inserted into the Collection.</param>
public void EditShop(Shop oldShop, Shop newShop)
{
// Get index of old object
int idx = Shops.IndexOf(oldShop);
// Clone ShoppingLists-List
var templist = ShoppingLists.ToList();
// Query all shopping lists and update the Shop object of the Shopping lists
foreach (ShoppingList list in templist)
{
if (list.Shop.ID.Equals(oldShop.ID))
{
// Get index of old object
int listIdx = ShoppingLists.IndexOf(list);
// Set new shop
list.Shop = newShop;
// Remove old object from list and insert new one
ShoppingLists.RemoveAt(listIdx);
ShoppingLists.Insert(listIdx, list);
}
}
// Remove old object and insert new object at the same position as the old one
Shops.Remove(oldShop);
Shops.Insert(idx, newShop);
// Save data to isolated storage
SaveShops();
SaveShoppingLists();
// Replace old Geofence with new one
ServiceLocator.Current.GetInstance <GeoHelper>().ModifyGeofence(oldShop.ID, newShop);
}