private void UpdateCocktailProducts(string[] selectedProducts, Cocktail cocktailToUpdate)
{
if (selectedProducts == null)
{
cocktailToUpdate.cocktailProducts = new List <CocktailProduct>();
return;
}
var selectedProductsHS = new HashSet <string>(selectedProducts);
var cocktailProducts = new HashSet <int>
(cocktailToUpdate.cocktailProducts.Select(c => c.product.Id));
foreach (var product in _context.Product)
{
if (selectedProductsHS.Contains(product.Id.ToString()))
{
if (!cocktailProducts.Contains(product.Id))
{
cocktailToUpdate.cocktailProducts.Add(new CocktailProduct {
cocktailId = cocktailToUpdate.Id, productId = product.Id
});
}
}
else
{
if (cocktailProducts.Contains(product.Id))
{
CocktailProduct productToRemove = cocktailToUpdate.cocktailProducts.FirstOrDefault(i => i.productId == product.Id);
_context.Remove(productToRemove);
}
}
}
}
public async Task <IActionResult> Edit(int id, [Bind("Id,unit,quantity,cocktailId,productId")] CocktailProduct cocktailProduct)
{
if (id != cocktailProduct.Id)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
_context.Update(cocktailProduct);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!CocktailProductExists(cocktailProduct.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
ViewData["cocktailId"] = new SelectList(_context.Cocktail, "Id", "Id", cocktailProduct.cocktailId);
ViewData["productId"] = new SelectList(_context.Product, "Id", "Id", cocktailProduct.productId);
return(View(cocktailProduct));
}
public async Task <IActionResult> Create([Bind("Id,unit,quantity,cocktailId,productId")] CocktailProduct cocktailProduct)
{
if (ModelState.IsValid)
{
_context.Add(cocktailProduct);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
ViewData["cocktailId"] = new SelectList(_context.Cocktail, "Id", "Id", cocktailProduct.cocktailId);
ViewData["productId"] = new SelectList(_context.Product, "Id", "Id", cocktailProduct.productId);
return(View(cocktailProduct));
}
