Portfolio de Desarrollo WordPress: Código a Medida, Plugins y Automatización

function cvds_create_access_token( $expires ) {
	// CREATE A SIGNED ACCESS TOKEN WITH A FIXED EXPIRATION.
	$expires = absint( $expires );

	if ( $expires <= time() ) {
		return '';
	}

	$payload   = 'cvds|' . $expires;
	$signature = hash_hmac(
		'sha256',
		$payload,
		wp_salt( 'auth' )
	);

	return $expires . '.' . $signature;
}

function cvds_verify_access_token( $token ) {
	// VERIFY THE SIGNATURE AND EXPIRATION OF AN ACCESS TOKEN.
	if ( ! is_string( $token ) || '' === $token ) {
		return false;
	}

	$parts = explode( '.', $token, 2 );

	if ( 2 !== count( $parts ) ) {
		return false;
	}

	$expires   = absint( $parts[0] );
	$signature = sanitize_text_field( $parts[1] );

	if (
		0 === $expires ||
		$expires <= time() ||
		64 !== strlen( $signature )
	) {
		return false;
	}

	$payload  = 'cvds|' . $expires;
	$expected = hash_hmac(
		'sha256',
		$payload,
		wp_salt( 'auth' )
	);

	return hash_equals(
		$expected,
		$signature
	);
}

function cvds_has_valid_access_cookie() {
	// VALIDATE THE ACCESS COOKIE WITHOUT TRUSTING RAW REQUEST DATA.
	if ( empty( $_COOKIE['cvds_access'] ) ) {
		return false;
	}

	$token = sanitize_text_field(
		wp_unslash(
			$_COOKIE['cvds_access']
		)
	);

	return cvds_verify_access_token(
		$token
	);
}

function ds_get_root_content_language( $post_id ) {
	// GET THE POLYLANG LANGUAGE SLUG FOR ROOT CONTENT.
	$post_id = absint( $post_id );

	if (
		0 === $post_id ||
		! function_exists( 'pll_get_post_language' )
	) {
		return '';
	}

	$language = pll_get_post_language(
		$post_id,
		'slug'
	);

	return is_string( $language )
		? sanitize_key( $language )
		: '';
}

function ds_get_root_content_path( $post ) {
	// BUILD A ROOT CONTENT PATH WITH THE CORRECT LANGUAGE PREFIX.
	if ( ! $post instanceof WP_Post ) {
		return '';
	}

	if (
		! in_array(
			$post->post_type,
			array(
				'ds_service',
				'ds_portfolio',
			),
			true
		)
	) {
		return '';
	}

	$slug = sanitize_title(
		$post->post_name
	);

	if ( '' === $slug ) {
		return '';
	}

	$parts = array(
		$slug,
	);

	$language = ds_get_root_content_language(
		$post->ID
	);

	$default_language = '';

	if ( function_exists( 'pll_default_language' ) ) {
		$default_language = pll_default_language(
			'slug'
		);

		$default_language = is_string(
			$default_language
		)
			? sanitize_key( $default_language )
			: '';
	}

	if (
		'' !== $language &&
		$language !== $default_language
	) {
		array_unshift(
			$parts,
			$language
		);
	}

	$parts = array_filter(
		array_map(
			'sanitize_title',
			$parts
		)
	);

	return implode(
		'/',
		$parts
	);
}

function ds_get_root_content_url( $post_id ) {
	// BUILD THE PUBLIC URL FOR A ROOT SERVICE OR PORTFOLIO ITEM.
	$post = get_post(
		absint( $post_id )
	);

	if ( ! $post instanceof WP_Post ) {
		return '';
	}

	$path = ds_get_root_content_path(
		$post
	);

	if ( '' === $path ) {
		return '';
	}

	return home_url(
		user_trailingslashit(
			$path
		)
	);
}

function ds_render_service_cards_shortcode( $atts ) {
	// RENDER SERVICE CARDS FROM VALID WORDPRESS POST IDS.
	$atts = shortcode_atts(
		array(
			'ids' => '',
		),
		$atts,
		'ds_service_cards'
	);

	$ids = wp_parse_id_list(
		$atts['ids']
	);

	if ( empty( $ids ) ) {
		return '';
	}

	$items = array();

	foreach ( $ids as $post_id ) {
		$post = get_post(
			$post_id
		);

		if (
			! $post instanceof WP_Post ||
			'publish' !== $post->post_status ||
			'ds_service' !== $post->post_type
		) {
			continue;
		}

		$permalink = get_permalink(
			$post_id
		);

		if ( ! $permalink ) {
			continue;
		}

		$items[] = array(
			'title'     => get_the_title( $post_id ),
			'url'       => $permalink,
			'image_url' => get_the_post_thumbnail_url(
				$post_id,
				'large'
			),
			'excerpt'   => wp_strip_all_tags(
				get_the_excerpt( $post_id )
			),
		);
	}

	if ( empty( $items ) ) {
		return '';
	}

	ob_start();
	?>

	<div class="ds-service-cards">
		<?php foreach ( $items as $item ) : ?>

			<article class="ds-service-card">

				<a
					class="ds-service-card__link"
					href="<?php echo esc_url( $item['url'] ); ?>"
				>

					<?php if ( ! empty( $item['image_url'] ) ) : ?>

						<img
							class="ds-service-card__image"
							src="<?php echo esc_url( $item['image_url'] ); ?>"
							alt=""
							loading="lazy"
							decoding="async"
						/>

					<?php endif; ?>

					<h3 class="ds-service-card__title">
						<?php echo esc_html( $item['title'] ); ?>
					</h3>

					<?php if ( '' !== $item['excerpt'] ) : ?>

						<p class="ds-service-card__excerpt">
							<?php echo esc_html( $item['excerpt'] ); ?>
						</p>

					<?php endif; ?>

				</a>

			</article>

		<?php endforeach; ?>
	</div>

	<?php

	return (string) ob_get_clean();
}
add_shortcode(
	'ds_service_cards',
	'ds_render_service_cards_shortcode'
);