init
This commit is contained in:
emmymayo
@@ -0,0 +1,695 @@
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<?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
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use Automattic\Jetpack\Assets;
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/**
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* Embed recipe 'cards' in post, with basic styling and print functionality
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*
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* To Do
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* - defaults settings
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* - basic styles/themecolor styles
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* - validation/sanitization
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* - print styles
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*
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* @package automattic/jetpack
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*/
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/**
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* Register and display Recipes in posts.
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*/
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class Jetpack_Recipes {
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/**
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* Have scripts and styles been enqueued already.
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*
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* @var bool
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*/
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private $scripts_and_style_included = false;
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/**
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* Constructor
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*/
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public function __construct() {
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add_action( 'init', array( $this, 'action_init' ) );
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}
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/**
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* Returns KSES tags with Schema-specific attributes.
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*
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* @since 8.0.0
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*
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* @return array Array to be used by KSES.
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*/
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private static function kses_tags() {
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$allowedtags = wp_kses_allowed_html( 'post' );
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// Create an array of all the tags we'd like to add the itemprop attribute to.
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$tags = array( 'li', 'ol', 'ul', 'img', 'p', 'h3', 'time', 'span' );
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foreach ( $tags as $tag ) {
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if ( ! isset( $allowedtags[ $tag ] ) ) {
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$allowedtags[ $tag ] = array();
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}
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$allowedtags[ $tag ]['class'] = array();
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$allowedtags[ $tag ]['itemprop'] = array();
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$allowedtags[ $tag ]['datetime'] = array();
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}
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// Allow the handler <a on=""> in AMP.
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$allowedtags['a']['on'] = array();
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// Allow itemscope and itemtype for divs.
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if ( ! isset( $allowedtags['div'] ) ) {
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$allowedtags['div'] = array();
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}
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$allowedtags['div']['class'] = array();
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$allowedtags['div']['itemscope'] = array();
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$allowedtags['div']['itemtype'] = array();
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return $allowedtags;
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}
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/**
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* Register our shortcode and enqueue necessary files.
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*/
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public function action_init() {
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// Enqueue styles if [recipe] exists.
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add_action( 'wp_head', array( $this, 'add_scripts' ), 1 );
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// Render [recipe], along with other shortcodes that can be nested within.
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add_shortcode( 'recipe', array( $this, 'recipe_shortcode' ) );
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add_shortcode( 'recipe-notes', array( $this, 'recipe_notes_shortcode' ) );
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add_shortcode( 'recipe-ingredients', array( $this, 'recipe_ingredients_shortcode' ) );
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add_shortcode( 'recipe-directions', array( $this, 'recipe_directions_shortcode' ) );
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add_shortcode( 'recipe-nutrition', array( $this, 'recipe_nutrition_shortcode' ) );
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add_shortcode( 'recipe-image', array( $this, 'recipe_image_shortcode' ) );
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}
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/**
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* Enqueue scripts and styles
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*/
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public function add_scripts() {
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if ( empty( $GLOBALS['posts'] ) || ! is_array( $GLOBALS['posts'] ) ) {
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return;
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}
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foreach ( $GLOBALS['posts'] as $p ) {
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if ( isset( $p->post_content ) && has_shortcode( $p->post_content, 'recipe' ) ) {
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$this->scripts_and_style_included = true;
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break;
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}
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}
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if ( ! $this->scripts_and_style_included ) {
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return;
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}
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wp_enqueue_style( 'jetpack-recipes-style', plugins_url( '/css/recipes.css', __FILE__ ), array(), '20130919' );
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wp_style_add_data( 'jetpack-recipes-style', 'rtl', 'replace' );
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// add $themecolors-defined styles.
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wp_add_inline_style( 'jetpack-recipes-style', self::themecolor_styles() );
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if ( class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request() ) {
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return;
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}
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wp_enqueue_script(
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'jetpack-recipes-printthis',
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Assets::get_file_url_for_environment( '_inc/build/shortcodes/js/recipes-printthis.min.js', 'modules/shortcodes/js/recipes-printthis.js' ),
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array( 'jquery' ),
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'20170202',
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false
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);
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wp_enqueue_script(
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'jetpack-recipes-js',
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Assets::get_file_url_for_environment( '_inc/build/shortcodes/js/recipes.min.js', 'modules/shortcodes/js/recipes.js' ),
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array( 'jquery', 'jetpack-recipes-printthis' ),
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'20131230',
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false
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);
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$title_var = wp_title( '|', false, 'right' );
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$rtl = is_rtl() ? '-rtl' : '';
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$print_css_var = plugins_url( "/css/recipes-print{$rtl}.css", __FILE__ );
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wp_localize_script(
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'jetpack-recipes-js',
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'jetpack_recipes_vars',
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array(
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'pageTitle' => $title_var,
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'loadCSS' => $print_css_var,
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)
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);
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}
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/**
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* Our [recipe] shortcode.
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* Prints recipe data styled to look good on *any* theme.
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*
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* @param array $atts Array of shortcode attributes.
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* @param string $content Post content.
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*
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* @return string HTML for recipe shortcode.
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*/
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public static function recipe_shortcode( $atts, $content = '' ) {
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$atts = shortcode_atts(
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array(
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'title' => '', // string.
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'servings' => '', // intval.
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'time' => '', // strtotime-compatible time description.
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'difficulty' => '', // string.
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'print' => '', // URL for external print version.
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'source' => '', // string.
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'sourceurl' => '', // URL string. Only used if source set.
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'image' => '', // URL or attachment ID.
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'description' => '', // string.
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'cooktime' => '', // strtotime-compatible time description.
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'preptime' => '', // strtotime-compatible time description.
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'rating' => '', // string.
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),
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$atts,
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'recipe'
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);
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return self::recipe_shortcode_html( $atts, $content );
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}
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/**
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* The recipe output
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*
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* @param array $atts Array of shortcode attributes.
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* @param string $content Post content.
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*
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* @return string HTML output
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*/
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private static function recipe_shortcode_html( $atts, $content = '' ) {
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$html = '<div class="hrecipe h-recipe jetpack-recipe" itemscope itemtype="https://schema.org/Recipe">';
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// Print the recipe title if exists.
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if ( '' !== $atts['title'] ) {
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$html .= '<h3 class="p-name jetpack-recipe-title fn" itemprop="name">' . esc_html( $atts['title'] ) . '</h3>';
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}
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// Print the recipe meta if exists.
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if (
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'' !== $atts['servings']
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|| '' !== $atts['time']
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|| '' !== $atts['difficulty']
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|| '' !== $atts['print']
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|| '' !== $atts['preptime']
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|| '' !== $atts['cooktime']
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|| '' !== $atts['rating']
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) {
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$html .= '<ul class="jetpack-recipe-meta">';
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if ( '' !== $atts['servings'] ) {
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$html .= sprintf(
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'<li class="jetpack-recipe-servings p-yield yield" itemprop="recipeYield"><strong>%1$s: </strong>%2$s</li>',
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esc_html_x( 'Servings', 'recipe', 'jetpack' ),
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esc_html( $atts['servings'] )
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);
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}
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$time_types = array( 'preptime', 'cooktime', 'time' );
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foreach ( $time_types as $time_type ) {
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if ( '' === $atts[ $time_type ] ) {
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continue;
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}
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$html .= self::output_time( $atts[ $time_type ], $time_type );
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}
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if ( '' !== $atts['difficulty'] ) {
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$html .= sprintf(
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'<li class="jetpack-recipe-difficulty"><strong>%1$s: </strong>%2$s</li>',
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esc_html_x( 'Difficulty', 'recipe', 'jetpack' ),
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esc_html( $atts['difficulty'] )
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);
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}
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if ( '' !== $atts['rating'] ) {
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$html .= sprintf(
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'<li class="jetpack-recipe-rating">
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<strong>%1$s: </strong>
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<span itemprop="contentRating">%2$s</span>
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</li>',
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esc_html_x( 'Rating', 'recipe', 'jetpack' ),
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esc_html( $atts['rating'] )
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);
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}
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if ( '' !== $atts['source'] ) {
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$html .= sprintf(
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'<li class="jetpack-recipe-source"><strong>%1$s: </strong>',
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esc_html_x( 'Source', 'recipe', 'jetpack' )
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);
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if ( '' !== $atts['sourceurl'] ) :
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// Show the link if we have one.
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$html .= sprintf(
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'<a href="%2$s">%1$s</a>',
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esc_html( $atts['source'] ),
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esc_url( $atts['sourceurl'] )
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);
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else :
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// Skip the link.
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$html .= sprintf(
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'%1$s',
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esc_html( $atts['source'] )
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);
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endif;
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$html .= '</li>';
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}
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if ( 'false' !== $atts['print'] ) {
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$is_amp = class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request();
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$print_action = $is_amp ? 'on="tap:AMP.print"' : '';
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$print_text = $is_amp ? esc_html__( 'Print page', 'jetpack' ) : esc_html_x( 'Print', 'recipe', 'jetpack' );
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$html .= sprintf(
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'<li class="jetpack-recipe-print"><a href="#" %1$s>%2$s</a></li>',
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$print_action,
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$print_text
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);
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}
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$html .= '</ul>';
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}
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// Output the image if we have one and it's not shown elsewhere.
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if ( '' !== $atts['image'] ) {
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if ( ! has_shortcode( $content, 'recipe-image' ) ) {
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$html .= self::output_image_html( $atts['image'] );
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}
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}
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// Output the description, if we have one.
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if ( '' !== $atts['description'] ) {
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$html .= sprintf(
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'<p class="jetpack-recipe-description" itemprop="description">%1$s</p>',
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esc_html( $atts['description'] )
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);
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}
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// Print content between codes.
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$html .= '<div class="jetpack-recipe-content">' . do_shortcode( $content ) . '</div>';
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// Close it up.
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$html .= '</div>';
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// If there is a recipe within a recipe, remove the shortcode.
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if ( has_shortcode( $html, 'recipe' ) ) {
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remove_shortcode( 'recipe' );
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}
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// Sanitize html.
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$html = wp_kses( $html, self::kses_tags() );
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// Return the HTML block.
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return $html;
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}
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/**
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* Our [recipe-image] shortcode.
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* Controls placement of image in recipe.
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*
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* @param array $atts Array of shortcode attributes.
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*
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* @return string HTML for recipe notes shortcode.
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*/
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public static function recipe_image_shortcode( $atts ) {
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$atts = shortcode_atts(
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array(
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'image' => '', // string.
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0 => '', // string.
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),
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$atts,
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'recipe-image'
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);
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$src = $atts['image'];
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if ( ! empty( $atts[0] ) ) {
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$src = $atts[0];
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}
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return self::output_image_html( $src );
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}
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/**
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* Our [recipe-notes] shortcode.
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* Outputs ingredients, styled in a div.
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*
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* @param array $atts Array of shortcode attributes.
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* @param string $content Post content.
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*
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* @return string HTML for recipe notes shortcode.
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*/
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public static function recipe_notes_shortcode( $atts, $content = '' ) {
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$atts = shortcode_atts(
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array(
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'title' => '', // string.
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),
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$atts,
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'recipe-notes'
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);
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$html = '';
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// Print a title if one exists.
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if ( '' !== $atts['title'] ) {
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$html .= '<h4 class="jetpack-recipe-notes-title">' . esc_html( $atts['title'] ) . '</h4>';
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}
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$html .= '<div class="jetpack-recipe-notes">';
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// Format content using list functionality, if desired.
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$html .= self::output_list_content( $content, 'notes' );
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$html .= '</div>';
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// Sanitize html.
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$html = wp_kses( $html, self::kses_tags() );
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// Return the HTML block.
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return $html;
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}
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/**
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* Our [recipe-ingredients] shortcode.
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* Outputs notes, styled in a div.
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*
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* @param array $atts Array of shortcode attributes.
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* @param string $content Post content.
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*
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* @return string HTML for recipe ingredients shortcode.
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*/
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public static function recipe_ingredients_shortcode( $atts, $content = '' ) {
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$atts = shortcode_atts(
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array(
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'title' => esc_html_x( 'Ingredients', 'recipe', 'jetpack' ), // string.
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),
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$atts,
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'recipe-ingredients'
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);
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$html = '<div class="jetpack-recipe-ingredients">';
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// Print a title unless the user has opted to exclude it.
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if ( 'false' !== $atts['title'] ) {
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$html .= '<h4 class="jetpack-recipe-ingredients-title">' . esc_html( $atts['title'] ) . '</h4>';
|
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}
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||||
|
||||
// Format content using list functionality.
|
||||
$html .= self::output_list_content( $content, 'ingredients' );
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|
||||
$html .= '</div>';
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||||
|
||||
// Sanitize html.
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||||
$html = wp_kses( $html, self::kses_tags() );
|
||||
|
||||
// Return the HTML block.
|
||||
return $html;
|
||||
}
|
||||
|
||||
/**
|
||||
* Our [recipe-nutrition] shortcode.
|
||||
* Outputs notes, styled in a div.
|
||||
*
|
||||
* @param array $atts Array of shortcode attributes.
|
||||
* @param string $content Post content.
|
||||
*
|
||||
* @return string HTML for recipe nutrition shortcode.
|
||||
*/
|
||||
public static function recipe_nutrition_shortcode( $atts, $content = '' ) {
|
||||
$atts = shortcode_atts(
|
||||
array(
|
||||
'title' => esc_html_x( 'Nutrition', 'recipe', 'jetpack' ), // string.
|
||||
),
|
||||
$atts,
|
||||
'recipe-nutrition'
|
||||
);
|
||||
|
||||
$html = '<div class="jetpack-recipe-nutrition p-nutrition nutrition">';
|
||||
|
||||
// Print a title unless the user has opted to exclude it.
|
||||
if ( 'false' !== $atts['title'] ) {
|
||||
$html .= '<h4 class="jetpack-recipe-nutrition-title">' . esc_html( $atts['title'] ) . '</h4>';
|
||||
}
|
||||
|
||||
// Format content using list functionality.
|
||||
$html .= self::output_list_content( $content, 'nutrition' );
|
||||
|
||||
$html .= '</div>';
|
||||
|
||||
// Sanitize html.
|
||||
$html = wp_kses( $html, self::kses_tags() );
|
||||
|
||||
// Return the HTML block.
|
||||
return $html;
|
||||
}
|
||||
|
||||
/**
|
||||
* Reusable function to check for shortened formatting.
|
||||
* Basically, users can create lists with the following shorthand:
|
||||
* - item one
|
||||
* - item two
|
||||
* - item three
|
||||
* And we'll magically convert it to a list. This has the added benefit
|
||||
* of including itemprops for the recipe schema.
|
||||
*
|
||||
* @param string $content HTML content.
|
||||
* @param string $type Type of list.
|
||||
*
|
||||
* @return string content formatted as a list item
|
||||
*/
|
||||
private static function output_list_content( $content, $type ) {
|
||||
$html = '';
|
||||
|
||||
switch ( $type ) {
|
||||
case 'directions':
|
||||
$list_item_replacement = '<li class="jetpack-recipe-directions">${1}</li>';
|
||||
$itemprop = ' itemprop="recipeInstructions"';
|
||||
$listtype = 'ol';
|
||||
break;
|
||||
case 'ingredients':
|
||||
$list_item_replacement = '<li class="jetpack-recipe-ingredient p-ingredient ingredient" itemprop="recipeIngredient">${1}</li>';
|
||||
$itemprop = '';
|
||||
$listtype = 'ul';
|
||||
break;
|
||||
case 'nutrition':
|
||||
$list_item_replacement = '<li class="jetpack-recipe-nutrition">${1}</li>';
|
||||
$itemprop = ' itemprop="nutrition"';
|
||||
$listtype = 'ul';
|
||||
break;
|
||||
case 'nutrition':
|
||||
$list_item_replacement = '<li class="jetpack-recipe-nutrition nutrition">${1}</li>';
|
||||
$itemprop = ' itemprop="nutrition"';
|
||||
$listtype = 'ul';
|
||||
break;
|
||||
default:
|
||||
$list_item_replacement = '<li class="jetpack-recipe-notes">${1}</li>';
|
||||
$itemprop = '';
|
||||
$listtype = 'ul';
|
||||
}
|
||||
|
||||
// Check to see if the user is trying to use shortened formatting.
|
||||
if (
|
||||
str_contains( $content, '–' ) ||
|
||||
str_contains( $content, '—' ) ||
|
||||
str_contains( $content, '-' ) ||
|
||||
str_contains( $content, '*' ) ||
|
||||
str_contains( $content, '#' ) ||
|
||||
str_contains( $content, '–' ) || // ndash.
|
||||
str_contains( $content, '—' ) || // mdash.
|
||||
preg_match( '/\d+\.\s/', $content )
|
||||
) {
|
||||
// Remove breaks and extra whitespace.
|
||||
$content = str_replace( "<br />\n", "\n", $content );
|
||||
$content = trim( $content );
|
||||
|
||||
$ul_pattern = '/(?:^|\n|\<p\>)+(?:[\-–—]+|\–|\—|\*)+\h+(.*)/mi';
|
||||
$ol_pattern = '/(?:^|\n|\<p\>)+(?:\d+\.|#+)+\h+(.*)/mi';
|
||||
|
||||
preg_match_all( $ul_pattern, $content, $ul_matches );
|
||||
preg_match_all( $ol_pattern, $content, $ol_matches );
|
||||
|
||||
if ( ( is_countable( $ul_matches[0] ) && count( $ul_matches[0] ) > 0 ) || ( is_countable( $ol_matches[0] ) && count( $ol_matches[0] ) > 0 ) ) {
|
||||
|
||||
if ( is_countable( $ol_matches[0] ) && count( $ol_matches[0] ) > 0 ) {
|
||||
$listtype = 'ol';
|
||||
$list_item_pattern = $ol_pattern;
|
||||
} else {
|
||||
$listtype = 'ul';
|
||||
$list_item_pattern = $ul_pattern;
|
||||
}
|
||||
$html .= '<' . $listtype . $itemprop . '>';
|
||||
$html .= preg_replace( $list_item_pattern, $list_item_replacement, $content );
|
||||
$html .= '</' . $listtype . '>';
|
||||
|
||||
// Strip out any empty <p> tags and stray </p> tags, because those are just silly.
|
||||
$empty_p_pattern = '/(<p>)*\s*<\/p>/mi';
|
||||
$html = preg_replace( $empty_p_pattern, '', $html );
|
||||
} else {
|
||||
$html .= do_shortcode( $content );
|
||||
}
|
||||
} else {
|
||||
$html .= do_shortcode( $content );
|
||||
}
|
||||
|
||||
// Return our formatted content.
|
||||
return $html;
|
||||
}
|
||||
|
||||
/**
|
||||
* Our [recipe-directions] shortcode.
|
||||
* Outputs directions, styled in a div.
|
||||
*
|
||||
* @param array $atts Array of shortcode attributes.
|
||||
* @param string $content Post content.
|
||||
*
|
||||
* @return string HTML for recipe directions shortcode.
|
||||
*/
|
||||
public static function recipe_directions_shortcode( $atts, $content = '' ) {
|
||||
$atts = shortcode_atts(
|
||||
array(
|
||||
'title' => esc_html_x( 'Directions', 'recipe', 'jetpack' ), // string.
|
||||
),
|
||||
$atts,
|
||||
'recipe-directions'
|
||||
);
|
||||
|
||||
$html = '<div class="jetpack-recipe-directions e-instructions">';
|
||||
|
||||
// Print a title unless the user has specified to exclude it.
|
||||
if ( 'false' !== $atts['title'] ) {
|
||||
$html .= '<h4 class="jetpack-recipe-directions-title">' . esc_html( $atts['title'] ) . '</h4>';
|
||||
}
|
||||
|
||||
// Format content using list functionality.
|
||||
$html .= self::output_list_content( $content, 'directions' );
|
||||
|
||||
$html .= '</div>';
|
||||
|
||||
// Sanitize html.
|
||||
$html = wp_kses( $html, self::kses_tags() );
|
||||
|
||||
// Return the HTML block.
|
||||
return $html;
|
||||
}
|
||||
|
||||
/**
|
||||
* Outputs time meta tag.
|
||||
*
|
||||
* @param string $time_str Raw time to output.
|
||||
* @param string $time_type Type of time to show.
|
||||
*
|
||||
* @return string HTML for recipe time meta.
|
||||
*/
|
||||
private static function output_time( $time_str, $time_type ) {
|
||||
// Get a time that's supported by Schema.org.
|
||||
$duration = WPCOM_JSON_API_Date::format_duration( $time_str );
|
||||
// If no duration can be calculated, let's output what the user provided.
|
||||
if ( ! $duration ) {
|
||||
$duration = $time_str;
|
||||
}
|
||||
|
||||
switch ( $time_type ) {
|
||||
case 'cooktime':
|
||||
$title = _x( 'Cook Time', 'recipe', 'jetpack' );
|
||||
$itemprop = 'cookTime';
|
||||
break;
|
||||
case 'preptime':
|
||||
$title = _x( 'Prep Time', 'recipe', 'jetpack' );
|
||||
$itemprop = 'prepTime';
|
||||
break;
|
||||
default:
|
||||
$title = _x( 'Time', 'recipe', 'jetpack' );
|
||||
$itemprop = 'totalTime';
|
||||
break;
|
||||
}
|
||||
|
||||
return sprintf(
|
||||
'<li class="jetpack-recipe-%3$s">
|
||||
<time itemprop="%4$s" datetime="%5$s"><strong>%1$s:</strong> <span class="%3$s">%2$s</span></time>
|
||||
</li>',
|
||||
esc_html( $title ),
|
||||
esc_html( $time_str ),
|
||||
esc_attr( $time_type ),
|
||||
esc_attr( $itemprop ),
|
||||
esc_attr( $duration )
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Outputs image tag for recipe.
|
||||
*
|
||||
* @param string $src The image source.
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
private static function output_image_html( $src ) {
|
||||
// Exit if there is no provided source.
|
||||
if ( ! $src ) {
|
||||
return '';
|
||||
}
|
||||
|
||||
$image_attrs = array(
|
||||
'class' => 'jetpack-recipe-image u-photo photo',
|
||||
'itemprop' => 'image',
|
||||
);
|
||||
|
||||
if ( wp_lazy_loading_enabled( 'img', 'wp_get_attachment_image' ) ) {
|
||||
$image_attrs['loading'] = 'lazy';
|
||||
}
|
||||
|
||||
// If it's numeric, this may be an attachment.
|
||||
if ( is_numeric( $src ) ) {
|
||||
return wp_get_attachment_image(
|
||||
$src,
|
||||
'full',
|
||||
false,
|
||||
$image_attrs
|
||||
);
|
||||
}
|
||||
|
||||
// Check if it's an absolute or relative URL, and return if not.
|
||||
if (
|
||||
! str_starts_with( $src, '/' )
|
||||
&& false === filter_var( $src, FILTER_VALIDATE_URL )
|
||||
) {
|
||||
return '';
|
||||
}
|
||||
|
||||
$image_attrs_markup = '';
|
||||
foreach ( $image_attrs as $name => $value ) {
|
||||
$image_attrs_markup .= sprintf(
|
||||
' %1$s="%2$s"',
|
||||
esc_attr( $name ),
|
||||
esc_attr( $value )
|
||||
);
|
||||
}
|
||||
|
||||
return sprintf(
|
||||
'<img%1$s src="%2$s" />',
|
||||
$image_attrs_markup,
|
||||
esc_url( $src )
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Use $themecolors array to style the Recipes shortcode
|
||||
*
|
||||
* @print style block
|
||||
* @return string $style
|
||||
*/
|
||||
public function themecolor_styles() {
|
||||
global $themecolors;
|
||||
$style = '';
|
||||
|
||||
if ( isset( $themecolors ) ) {
|
||||
$style .= '.jetpack-recipe { border-color: #' . esc_attr( $themecolors['border'] ) . '; }';
|
||||
$style .= '.jetpack-recipe-title { border-bottom-color: #' . esc_attr( $themecolors['link'] ) . '; }';
|
||||
}
|
||||
|
||||
return $style;
|
||||
}
|
||||
}
|
||||
|
||||
new Jetpack_Recipes();
|
||||
Reference in New Issue
Block a user