Purrse/src/Purrse.Api/Controllers/LoansController.cs

using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Purrse.Core.DTOs;
using Purrse.Core.Interfaces.Services;
using System.Security.Claims;

namespace Purrse.Api.Controllers;

[Authorize]
[ApiController]
[Route("api/[controller]")]
public class LoansController : ControllerBase
{
    private readonly ILoanService _loanService;
    private Guid UserId => Guid.Parse(User.FindFirstValue(ClaimTypes.NameIdentifier)!);

    public LoansController(ILoanService loanService) => _loanService = loanService;

    [HttpGet("{accountId}/amortization")]
    public async Task<ActionResult<LoanDetailResponse>> GetLoanDetail(Guid accountId)
    {
        var detail = await _loanService.GetLoanDetailAsync(UserId, accountId);
        return detail == null ? NotFound() : Ok(detail);
    }

    [HttpPost("{accountId}")]
    public async Task<ActionResult<LoanDetailResponse>> CreateLoanDetail(Guid accountId, CreateLoanDetailRequest request)
        => Ok(await _loanService.CreateLoanDetailAsync(UserId, accountId, request));

    [HttpPut("{accountId}")]
    public async Task<ActionResult<LoanDetailResponse>> UpdateLoanDetail(Guid accountId, CreateLoanDetailRequest request)
        => Ok(await _loanService.UpdateLoanDetailAsync(UserId, accountId, request));

    [HttpPost("{accountId}/payoff-scenario")]
    public async Task<ActionResult<PayoffScenarioResponse>> PayoffScenario(Guid accountId, PayoffScenarioRequest request)
        => Ok(await _loanService.CalculatePayoffScenarioAsync(UserId, accountId, request));
}