public CategoryReadVm CreateCategory(CategoryWriteVm newCategory)
{
// Create a new Category Domain Object
var category = new Category()
{
Name = newCategory.Name
};
// Associate any provided products
category.Products = repo.Read <Product>().Where(x => newCategory.ProductIds.Contains(x.Id)).ToArray();
// Attach category to DB
var item = repo.Create(category);
return(new CategoryReadVm()
{
Id = item.Id,
Name = item.Name,
Products = item.Products.Select(p => new ProductReadVm()
{
Id = p.Id,
Name = p.Name,
Price = p.Price,
InStock = p.InStock
})
});
}
public IActionResult Post([FromBody] CategoryWriteVm newCategory)
{
// Exercise ModelState Validation
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var category = service.CreateCategory(newCategory);
return(Created("api/categories" + category.Id, category));
}
public IActionResult Put([FromRoute] int id, [FromBody] CategoryWriteVm newCategory)
{
// Exercise ModelState Validation
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var category = service.UpdateCategory(id, newCategory);
// Verify that the category was updated
if (category == null)
{
return(NotFound());
}
return(NoContent());
}
public CategoryReadVm UpdateCategory(int id, CategoryWriteVm newCategory)
{
// Get existing category from DB
var category = repo.Read <Category>()
.Include(x => x.Products)
.FirstOrDefault(x => x.Id == id);
// Verify that the category exist
if (category == null)
{
return(null);
}
// Assign updated Properties
category.Name = newCategory.Name;
foreach (var product in repo.Read <Product>().Where(x => newCategory.ProductIds.Contains(x.Id)))
{
category.Products.Add(product);
}
foreach (var product in repo.Read <Product>().Where(x => newCategory.RemoveProductIds.Contains(x.Id)))
{
category.Products.Remove(product);
}
repo.Update(category);
return(new CategoryReadVm()
{
Id = category.Id,
Name = category.Name,
Products = category.Products.Select(p => new ProductReadVm()
{
Id = p.Id,
Name = p.Name,
Price = p.Price,
InStock = p.InStock
})
});
}