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<?php
if(!isset($_POST["codigo"])) return;
$codigo = $_POST["codigo"];
include_once "base_de_datos.php";
$sentencia = $base_de_datos->prepare("SELECT * FROM productos WHERE codigo = ? LIMIT 1;");
$sentencia->execute([$codigo]);
$producto = $sentencia->fetch(PDO::FETCH_OBJ);
if($producto){
if($producto->existencia < 1){
header("Location: ./vender.php?status=5");
exit;
}
session_start();
$indice = false;
for ($i=0; $i < count($_SESSION["carrito"]); $i++) {
if($_SESSION["carrito"][$i]->codigo === $codigo){
$indice = $i;
break;
}
}
if($indice === FALSE){
$producto->cantidad = 1;
$producto->total = $producto->precioVenta;
array_push($_SESSION["carrito"], $producto);
}else{
$_SESSION["carrito"][$indice]->cantidad++;
$_SESSION["carrito"][$indice]->total = $_SESSION["carrito"][$indice]->cantidad * $_SESSION["carrito"][$indice]->precioVenta;
}
header("Location: ./vender.php");
}else header("Location: ./vender.php?status=4");
?>
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