mlb-gameday-dotnet-react/leagues/Controllers/LeaguesController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http.Json;
using System.Text.Json.Serialization;
using System.Threading.Tasks;
using Leagues.Queries;
using MediatR;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json;

namespace Leagues.Controllers
{
    [ApiController]
    [Route("api/leagues")]
    public class LeaguesController : ControllerBase
    {
        private readonly ISender _sender;

        public LeaguesController(ISender sender) => _sender = sender;

        [HttpGet]
        public async Task<ActionResult> GetLeagues([FromQuery] int pageNumber, [FromQuery] int pageSize)
        {
            var leagues = await _sender.Send(new GetLeaguesQuery
            {
                PageNumber = pageNumber,
                PageSize = pageSize
            });

            Response.Headers.Add("X-Pagination", JsonConvert.SerializeObject(new
            {
                leagues.CurrentPage,
                leagues.PageSize,
                leagues.TotalCount,
                leagues.TotalPages
            }));

            return Ok(leagues);
        }

        [HttpGet("{id}")]
        public async Task<ActionResult> GetLeagueById(int id)
        {
            var league = await _sender.Send(new GetLeagueByIdQuery
            {
                LeagueId = id
            });

            return Ok(league);
        }
    }
}