AspNetCoreLearnOfficial/WebApi/Controllers/PizzaController.cs

using Microsoft.AspNetCore.Mvc;
using WebApi.Models;
using WebApi.Services;

namespace WebApi.Controllers;

[ApiController]
[Route("[controller]")]
public class PizzaController : Controller
{
    public PizzaController()
    {
        
    }

    // GET Action

    [HttpGet]
    public ActionResult<List<Pizza>> GetAll() => PizzaService.GetAll();

    [HttpGet("{id}")]
    public ActionResult<Pizza> Get(int id)
    {
        var pizza = PizzaService.Get(id);
        if (pizza == null)
            return NotFound();
        
        return pizza;
    }

    // POST Action

    [HttpPost]
    public IActionResult Create(Pizza pizza)
    {
        PizzaService.Add(pizza);
        return CreatedAtAction(nameof(Get), new { id = pizza.Id}, pizza);
    }

    // PUT Action

    [HttpPut("{id}")]
    public IActionResult Update(int id, Pizza pizza)
    {
        if (id != pizza.Id)
            return BadRequest();
        
        var existingPizza = PizzaService.Get(id);
        if (existingPizza is null)
            return NotFound();

        PizzaService.Update(pizza);

        return NoContent();
    }

    // DELETE Action
    [HttpDelete("{id}")]
    public IActionResult Delete(int id)
    {
        var pizza = PizzaService.Get(id);
        if (pizza is null)
            return NotFound();

        PizzaService.Delete(id);

        return NoContent();
    }
}