ASP.NET-MVC-Study/BlazorApp/WebAPI/Controllers/RankingController.cs

using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using SharedData.Models;
using WebAPI.Data;

namespace WebAPI.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class RankingController : ControllerBase
    {
        private ApplicationDbContext _context;

        public RankingController(ApplicationDbContext context)
        {
            _context = context;
        }

        // Create
        // POST
        [HttpPost]
        public GameResult AddGameResult([FromBody]GameResult gameResult)
        {
            _context.GameResults.Add(gameResult);
            _context.SaveChanges();

            return gameResult;
        }

        // Read
        // GET
        [HttpGet]
        public List<GameResult> GetGameResults()
        {
            List<GameResult> results = _context.GameResults
                .OrderByDescending(x => x.Score)
                .ToList();

            return results;
        }

        [HttpGet("{id}")]
        public GameResult GetGameResults(int id)
        {
            GameResult? result = _context.GameResults
                .Where(x => x.Id == id)
                .FirstOrDefault();

            return result;
        }

        // Update
        // PUT
        [HttpPut]
        public bool UpdateGameResult([FromBody]GameResult gameResult)
        {
            var findResult = _context.GameResults
                .Where(x => x.Id == gameResult.Id)
                .FirstOrDefault();

            if (findResult == null)
                return false;

            findResult.UserName = gameResult.UserName;
            findResult.Score = gameResult.Score;
            findResult.Date = DateTime.Now;
            _context.SaveChanges();

            return true;
        }

        // Delete
        // DELETE
        [HttpDelete("{id}")]
        public bool DeleteGameResults(int id)
        {
            var findResult = _context.GameResults
                .Where(x => x.Id == id)
                .FirstOrDefault();

            if (findResult == null)
                return false;

            _context.GameResults.Remove(findResult);
            _context.SaveChanges();

            return true;
        }
    }
}