Request a quote functionality in WooCommerce

request-quote-woocommerce.php

<?php // No copiar este línea

add_action('woocommerce_share', 'dcms_show_request_quote_form');
function dcms_show_request_quote_form(){
        global $product;

        if ( isset($_GET['sent']) ){
            $message = $_GET['sent'] ? 'Solicitud enviada' : 'Hubo un error';
	        echo "<p class='msg-request-quote'>$message</p>";
	        return;
        }
	?>
    <br>
    <h3>Solicita una cotización</h3>
    <form id="frm-quote" method="post" action="<?= admin_url( 'admin-post.php' ) ?>">
        <label for="name">Nombre:</label>
        <input type="text" name="name" id="name" required>
        <br>
        <label for="email">Correo:</label>
        <input type="email" name="email" id="email" required>
        <br>
        <label for="message">Mensaje:</label>
        <textarea name="message" id="message" rows="6" required></textarea>
        <br>
        <input type="checkbox" id="terms" name="terms" required>
        <label id="lbl-terms" for="terms">Acepto los <a href="#">Términos y Condiciones</a></label>
        <br>
        <input type="hidden" name="sku_product" value="<?= $product->get_sku() ?>">
        <input type="hidden" name="url_product" value="<?= get_permalink( $product->get_id() ) ?>" >
        <input type="hidden" name="action" value="process_form_quote">
        <input id="submit" type="submit" name="submit" value="Enviar">
    </form>
<?php
}

// Hooks admin-post
add_action( 'admin_post_nopriv_process_form_quote', 'dcms_mail_request_quote' );
add_action( 'admin_post_process_form_quote', 'dcms_mail_request_quote' );

function dcms_mail_request_quote() {
	$name = sanitize_text_field($_POST['name']);
	$email = sanitize_email($_POST['email']);
	$message = sanitize_textarea_field($_POST['message']);
	$sku_product = sanitize_text_field($_POST['sku_product']);
	$url_product = sanitize_url($_POST['url_product']);

	$adminmail = "destino@dominio.com";
	$subject = "Solicitud cotización - producto $sku_product";
	$headers = "Reply-to: $name <$email>";

	$msg = "Nombre: $name \n";
	$msg .= "E-mail: $email \n\n";
	$msg .= "Mensaje: \n\n $message \n\n";
    $msg .= "Producto: $url_product \nSKU : $sku_product";

	$sendmail = wp_mail( $adminmail, $subject, $msg, $headers);
	wp_redirect( home_url($url_product)."?sent=".$sendmail );
}