mealplanner/backend/Controllers/SettingsController.cs

using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using MealPlanner.Data;
using MealPlanner.Models;

namespace MealPlanner.Controllers;

[ApiController]
[Route("api/settings")]
[Authorize]
public class SettingsController(AppDbContext db) : ControllerBase
{
    private string UserId => User.FindFirst("sub")?.Value ?? throw new UnauthorizedAccessException();

    [HttpGet]
    public async Task<IActionResult> Get()
    {
        var settings = await db.UserSettings.FindAsync(UserId);
        if (settings is null)
        {
            settings = new UserSettings { UserId = UserId, HouseholdSize = 2 };
            db.UserSettings.Add(settings);
            await db.SaveChangesAsync();
        }
        return Ok(settings);
    }

    [HttpPut]
    public async Task<IActionResult> Update([FromBody] UserSettings updated)
    {
        var settings = await db.UserSettings.FindAsync(UserId);
        if (settings is null)
        {
            settings = new UserSettings { UserId = UserId };
            db.UserSettings.Add(settings);
        }

        settings.HouseholdSize = updated.HouseholdSize;
        await db.SaveChangesAsync();
        return Ok(settings);
    }
}