124 lines
3.7 KiB
PHP
124 lines
3.7 KiB
PHP
<?php
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namespace MailPoet\Newsletter\Editor;
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use MailPoet\WooCommerce\Helper as WooCommerceHelper;
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use MailPoet\WP\Functions as WPFunctions;
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class PostContentManager {
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const WP_POST_CLASS = 'mailpoet_wp_post';
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public $max_excerpt_length = 60;
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/** @var WooCommerceHelper */
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private $woocommerce_helper;
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function __construct() {
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$wp = new WPFunctions;
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$this->max_excerpt_length = $wp->applyFilters('mailpoet_newsletter_post_excerpt_length', $this->max_excerpt_length);
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$this->woocommerce_helper = new WooCommerceHelper();
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}
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function getContent($post, $displayType) {
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if ($displayType === 'titleOnly') {
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return '';
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}
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if ($this->woocommerce_helper->isWooCommerceActive() && $post->post_type === 'product') {
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$product = $this->woocommerce_helper->wcGetProduct($post->ID);
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if ($product) {
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return $this->getContentForProduct($product, $displayType);
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}
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}
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if ($displayType === 'excerpt') {
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if (!empty($post->post_excerpt)) {
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return self::stripShortCodes($post->post_excerpt);
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}
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return $this->generateExcerpt(self::stripShortCodes($post->post_content));
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}
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return self::stripShortCodes($post->post_content);
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}
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function filterContent($content, $display_type, $with_post_class = true) {
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$content = self::convertEmbeddedContent($content);
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// convert h4 h5 h6 to h3
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$content = preg_replace('/<([\/])?h[456](.*?)>/', '<$1h3$2>', $content);
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// convert currency signs
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$content = str_replace(
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['$', '€', '£', '¥'],
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['$', '€', '£', '¥'],
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$content
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);
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// strip useless tags
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$tags_not_being_stripped = [
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'<p>', '<em>', '<span>', '<b>', '<strong>', '<i>',
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'<a>', '<ul>', '<ol>', '<li>', '<br>', '<blockquote>',
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];
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if ($display_type === 'full') {
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$tags_not_being_stripped = array_merge($tags_not_being_stripped, ['<figure>', '<img>', '<h1>', '<h2>', '<h3>']);
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}
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$content = strip_tags($content, implode('', $tags_not_being_stripped));
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if ($with_post_class) {
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$content = str_replace('<p', '<p class="' . self::WP_POST_CLASS .'"', WPFunctions::get()->wpautop($content));
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} else {
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$content = WPFunctions::get()->wpautop($content);
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}
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$content = trim($content);
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return $content;
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}
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private function getContentForProduct($product, $displayType) {
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if ($displayType === 'excerpt') {
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return $product->get_short_description();
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}
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return $product->get_description();
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}
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private function generateExcerpt($content) {
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// if excerpt is empty then try to find the "more" tag
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$excerpts = explode('<!--more-->', $content);
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if (count($excerpts) > 1) {
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// <!--more--> separator was present
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return $excerpts[0];
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} else {
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// Separator not present, try to shorten long posts
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return WPFunctions::get()->wpTrimWords($content, $this->max_excerpt_length, ' …');
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}
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}
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private function stripShortCodes($content) {
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// remove captions
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$content = preg_replace(
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"/\[caption.*?\](.*<\/a>)(.*?)\[\/caption\]/",
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'$1',
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$content
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);
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// remove other shortcodes
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$content = preg_replace('/\[[^\[\]]*\]/', '', $content);
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return $content;
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}
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private function convertEmbeddedContent($content = '') {
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// remove embedded video and replace with links
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$content = preg_replace(
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'#<iframe.*?src=\"(.+?)\".*><\/iframe>#',
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'<a href="$1">'.__('Click here to view media.', 'mailpoet').'</a>',
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$content
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);
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// replace youtube links
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$content = preg_replace(
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'#http://www.youtube.com/embed/([a-zA-Z0-9_-]*)#Ui',
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'http://www.youtube.com/watch?v=$1',
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$content
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);
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return $content;
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}
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}
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