Add Subnet API method

using System.Text.Json.Serialization;

namespace Cals.Visor.Models;

public class Subnet : ICreatedAt, IUpdatedAt

    public long? VlanId { get; set; }

    public Vlan? Vlan { get; set; }

    [JsonIgnore]

    public virtual Vlan? Vlan { get; set; }

    public bool? IsActive { get; set; }

    public bool? IsActive { get; set; } = true;

    public DateTime? CreatedAt { get; set; }

using Cals.Visor.Infrastructure.Contexts;

using Cals.Visor.Models;

using Microsoft.AspNetCore.Http;

using Microsoft.AspNetCore.Mvc;

using Microsoft.EntityFrameworkCore;

using static System.Runtime.InteropServices.JavaScript.JSType;

namespace Cals.Visor.Web.Controllers.Api;

[Route("api/subnets")]

[ApiController]

public class SubnetsApiController : ControllerBase

{

    private readonly ApplicationDbContext _context;

    public SubnetsApiController(ApplicationDbContext context) => _context = context;

    // GET: /api/subnets

    [ProducesResponseType<IList<Subnet>>(StatusCodes.Status200OK)]

    [HttpGet(Name = "GetAllSubnets")]

    public async Task<IActionResult> GetAllAsync()

    {

        List<Subnet> result = await _context.Subnets

            .Where(e => e.IsActive == true)

            .ToListAsync();

        return Ok(result);

    }

    // GET: /api/subnets/1

    [ProducesResponseType<Subnet>(StatusCodes.Status200OK)]

    [ProducesResponseType(StatusCodes.Status404NotFound)]

    [HttpGet("{subnetId:long}", Name = "GetSubnetById")]

    public async Task<IActionResult> GetByIdAsync(long subnetId)

    {

        Subnet? result = await _context.Subnets

            .Where(e => e.SubnetId == subnetId)

            .FirstOrDefaultAsync();

        if (result == null)

            return NotFound();

        return Ok(result);

    }

    // POST: /api/subnets

    [ProducesResponseType<Subnet>(StatusCodes.Status201Created)]

    [HttpPost(Name = "CreateNewSubnet")]

    public async Task<IActionResult> CreateNewAsync(Subnet data)

    {

        _context.Add(data);

        await _context.SaveChangesAsync();

        return CreatedAtAction(nameof(GetByIdAsync), new { subnetId = data.SubnetId }, data);

    }

    // PUT: /api/subnets/2

    [ProducesResponseType<Subnet>(StatusCodes.Status200OK)]

    [ProducesResponseType(StatusCodes.Status404NotFound)]

    [HttpPut("{subnetId:long}", Name = "UpdateSubnet")]

    public async Task<IActionResult> UpdateAsync(long subnetId, Subnet data)

    {

        Subnet? entity = await _context.Subnets

            .Where(e => e.SubnetId == subnetId)

            .FirstOrDefaultAsync();

        if (entity == null)

            return NotFound();

        entity.IsActive = data.IsActive;

        entity.Netname = data.Netname;

        entity.Cidr = data.Cidr;

        entity.Description = data.Description;

        entity.Gateway = data.Gateway;

        entity.VlanId = data.VlanId;

        await _context.SaveChangesAsync();

        return Ok(entity);

    }

}