YPS-Beer/backend/YPS.Beer/Controllers/FavouritesController.cs

using System.Security.Claims;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using YPS.Beer.DTOs.Requests;
using YPS.Beer.Models;
using YPS.Beer.Services;

namespace YPS.Beer.Controllers;

[Authorize]
[ApiController]
[Route("[controller]")]
public class FavouritesController : ControllerBase
{
    private readonly IBeerService _beerService;
    private readonly IPunkService _punkService;

    public FavouritesController(IBeerService beerService, IPunkService punkService)
    {
        _beerService = beerService;
        _punkService = punkService;
    }

    [HttpGet]
    public async Task<IActionResult> GetFavourites()
    {
        var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);

        if (userId is null)
            return NotFound();

        var user = await _beerService.GetUserById(userId);

        if (user is null)
            return NotFound();

        var favourites = await _punkService.GetBeers(user.Favourites.Select(f => f.BeerId).ToArray());

        return Ok(favourites);
    }

    [HttpPost]
    public async Task<IActionResult> AddFavourite([FromBody] AddFavouriteRequest request)
    {
        var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);

        if (userId is null)
            return NotFound();

        var favourite = await _beerService.AddFavouriteToUser(userId, new Favourite
        {
            BeerId = request.BeerId,
            UserId = userId,
        });

        if (favourite is null)
            return BadRequest();

        return Created();
    }
}