rm-ventas/backend/src/Ventas.API/Controllers/DescuentoController.cs

using Dapper;
using Npgsql;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;

namespace Ventas.API.Controllers;

[ApiController]
[Route("api/[controller]")]
[Authorize]
public class DescuentoController : ControllerBase
{
    private readonly string _connectionString;

    public DescuentoController(IConfiguration configuration)
    {
        _connectionString = configuration.GetConnectionString("Default")!;
    }

    [HttpGet]
    public async Task<IActionResult> Buscar([FromQuery] string tipoBusqueda, [FromQuery] int sede, [FromQuery] int programa, [FromQuery] int horario)
    {
        using var connection = new NpgsqlConnection(_connectionString);
        var rows = await connection.QueryAsync("sige_sam_v3.BuscarDescuentos",
            new { tipobusqueda = tipoBusqueda, sedeid = sede, programaid = programa, horarioid = horario },
            commandType: System.Data.CommandType.StoredProcedure);
        return Ok(rows.Select(r => (Dictionary<string, object>)(IDictionary<string, object>)r!));
    }

    [HttpGet("summer")]
    public async Task<IActionResult> Summer([FromQuery] int cantidadCursos)
    {
        using var connection = new NpgsqlConnection(_connectionString);
        var rows = await connection.QueryAsync("sige_sam_v3.BuscarDesctoSummer",
            new { cantidad = cantidadCursos },
            commandType: System.Data.CommandType.StoredProcedure);
        return Ok(rows.Select(r => (Dictionary<string, object>)(IDictionary<string, object>)r!));
    }

    [HttpPost]
    public async Task<IActionResult> Ingresar([FromQuery] int cotizacionId, [FromQuery] int descuentoId, [FromQuery] int tipoDescuento, [FromQuery] int nuevoMonto)
    {
        using var connection = new NpgsqlConnection(_connectionString);
        await connection.ExecuteAsync("sige_sam_v3.DescuentoCotizacion",
            new { cotiid = cotizacionId, desctoid = descuentoId, tipoid = tipoDescuento, nuevototal = nuevoMonto },
            commandType: System.Data.CommandType.StoredProcedure);
        return Ok(new { mensaje = "ok" });
    }
}