public async Task <IActionResult> Edit(CocktailUpdateRequest cocktail)
{
if (!this.ModelState.IsValid)
{
return(View(cocktail));
}
await this.cocktailService.Update(cocktail);
return(RedirectToAction("Index", "Cocktails"));
}
public static CocktailEntity ToEntity(this CocktailUpdateRequest contract, CocktailEntity entity)
{
if (contract == null)
{
return(null);
}
return(new CocktailEntity
{
Id = entity.Id,
Name = contract.Name,
Recipe = contract.Recipe,
Rating = entity.Rating,
IsHidden = contract.IsHidden,
ImagePath = contract.ImagePath
});
}
public async Task <Cocktail> Update(CocktailUpdateRequest cocktail)
{
var existingCocktail = await GetCocktail(cocktail.Id);
var newCocktailEntity = cocktail.ToEntity(existingCocktail.ToEntity());
var existingIngredientsIds = existingCocktail.Ingredients.Select(x => x.Id);
var ingredientsIdsToRemove = existingIngredientsIds.Except(cocktail.IngredientIds);
var ingredientsIdsToAdd = cocktail.IngredientIds.Except(existingIngredientsIds);
AddIngredients(cocktail.Id, ingredientsIdsToAdd);
await IncrementIngredientCounter(ingredientsIdsToAdd);
RemoveIngredients(cocktail.Id, ingredientsIdsToRemove);
await DecrementIngredientCounter(ingredientsIdsToRemove);
this.context.Cocktails.Update(newCocktailEntity);
await this.context.SaveChangesAsync();
return(await GetCocktail(cocktail.Id));
}
