Woo Quick Order shortcode

wp_register_style( 'ccom-wqo', false );

add_shortcode( 'ccom-wqo', function( $atts, $text ) {

	wp_enqueue_style( 'ccom-wqo' );
	wp_add_inline_style( 'ccom-wqo', '
		form#ccom_wqo {
			display: inline;
		}
		form#ccom_wqo > div {
			display: table;
		}
		form#ccom_wqo > div > div {
			display: table-row;
		}
		form#ccom_wqo > div > div > span {
			display: table-cell;
		}
		form#ccom_wqo > div > div > span:last-child {
			text-wrap: nowrap;
		}
		form#ccom_wqo img {
			width: 2em;
		}
		form#ccom_wqo input[type=number] {
			width: 3em;
			display: inline-block;
		}
	' );

	return sprintf(
		'
			<form id="ccom_wqo" action="/cart/" method="POST">
				<div>
					%s
					<div>
						<span>&nbsp;</span>
						<span>&nbsp;</span>
						<span>
							<input type="submit" value="Add to Cart" class="button">
						</span>
					</div>
				</div>
			</form>
		',
		do_shortcode( $text )
	);

} );

add_shortcode( 'ccom-wqo-item', function( $atts ) {

	if( empty( $atts['id'] ) ) {
		return;
	}

	$product = wc_get_product( intval( $atts['id'] ) );
	if( ! $product ) {
		return;
	}

	return sprintf(
		'
			<div>
				<span>%s</span>
				<span>
					<a href="%s">%s</a>
				</span>
				<span>
					<input type="number" size="3" name="ccom-a2c[%d]" value="0">
					at %s / each
				</span>
			</div>
		',
		$product->get_image( 'thumbnail' ),
		$product->get_permalink(),
		$product->get_title(),
		$product->get_id(),
		$product->get_price_html()
	);

} );

add_action( 'template_redirect', function() {

	if( empty( $_POST['ccom-a2c'] ) || ! is_array( $_POST['ccom-a2c'] ) ) {
		return;
	}

	if( ! class_exists( 'WooCommerce' ) || empty( WC()->cart ) ) {
		return;
	}

	foreach( $_POST['ccom-a2c'] as $product_id => $quantity ) {

		if( intval( $quantity ) < 1 ) {
			continue;
		}

		WC()->cart->add_to_cart( intval( $product_id ), intval( $quantity ) );

	}

} );