Person API Controller

PersonController.cs

[Route("api/[controller]")]
[ApiController]
public class PersonController : Controller
{
    private readonly IPersonRepository _repository;

    public PersonController(IPersonRepository _repository)
    {
        this._repository = _repository;
    }
    
    [HttpGet]
    public ActionResult<IEnumerable<Person>> Get()
    {
        return this._repository.FindAll().ToList();
    }

    public IActionResult Post(Person person)
    {
        if (!person.IsValid)
        {
            return BadRequest("Person has invalid state");
        }
        this._repository.Add(person);
        return Ok("Person added");
    }
}