OSI-API/OSI-API/Controllers/InvoicesController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using OSI.API.Business.Objects;
using OSI.API.Business.DAO;

namespace OSI.API.Controllers
{
    [Route("api/v{version:apiVersion}/[controller]")]
    [ApiController]
    public class InvoicesController : EndpointBase<InvoiceObject>
    {
        public override IActionResult Delete(int id)
        {
            return NotFound();
        }

        public override IActionResult Get()
        {
            //> get all invoices as a list of InvoiceObjects
            using InvoiceDAO dao = new(new Common.Library.SQL.Base.SQLBase.DBConnectionInformation());
            return new JsonResult(dao.GetAll());
        }

        public override IActionResult Get(int id)
        {
            using InvoiceDAO dao = new(new Common.Library.SQL.Base.SQLBase.DBConnectionInformation());
            return new JsonResult(dao.Get(id));
        }

        public override IActionResult Create([FromBody] InvoiceObject input)
        {
            throw new NotImplementedException();
        }

        public override IActionResult Update([FromBody] InvoiceObject input)
        {
            return CreatedAtAction(
                "Get",
                routeValues: new { id = input.InvoiceNumber },
                value: input
            );
        }
    }
}