Tranga/API/Controllers/QueryController.cs

using API.Controllers.DTOs;
using API.Schema.MangaContext;
using Asp.Versioning;
using Microsoft.AspNetCore.Http.HttpResults;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Soenneker.Utils.String.NeedlemanWunsch;
using static Microsoft.AspNetCore.Http.StatusCodes;
using Author = API.Controllers.DTOs.Author;
using Chapter = API.Controllers.DTOs.Chapter;

// ReSharper disable InconsistentNaming

namespace API.Controllers;

[ApiVersion(2)]
[ApiController]
[Route("v{v:apiVersion}/")]
public class QueryController(MangaContext context) : Controller
{
    /// <summary>
    /// Returns the <see cref="Author"/> with <paramref name="AuthorId"/>
    /// </summary>
    /// <param name="AuthorId"><see cref="Author"/>.Key</param>
    /// <response code="200"></response>
    /// <response code="404"><see cref="Author"/> with <paramref name="AuthorId"/> not found</response>
    [HttpGet("Author/{AuthorId}")]
    [ProducesResponseType<Author>(Status200OK, "application/json")]
    [ProducesResponseType<string>(Status404NotFound, "text/plain")]
    public async Task<Results<Ok<Author>, NotFound<string>>> GetAuthor (string AuthorId)
    {
        if (await context.Authors.FirstOrDefaultAsync(a => a.Key == AuthorId, HttpContext.RequestAborted) is not { } author)
            return TypedResults.NotFound(nameof(AuthorId));
        
        return TypedResults.Ok(new Author(author.Key, author.AuthorName));
    }
}