private void OnLoadDataExecute()
{
Products = new ObservableCollection <Product>(_productsRepository.GetAllProducts());
FridgeLookups = new ObservableCollection <FridgeProductLookup>(_fridgeRepository.GetAllFridgeLookups());
Categories = new ObservableCollection <ProductCategory>(_productsRepository.GetAllCategories());
Fridge = _fridgeRepository.GetFridge();
if (Categories.Count > 0)
{
SetProductsByCategory(Categories[0]);
SelectedCategory = Categories[0];
}
}
