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Current File : /var/www/html/qendrasteps/wp-content/themes/bridge/includes/qode-like.php

<?php
if(!defined('ABSPATH')) exit;

/**
 * Class QodeLike
 *
 * Stores likes for posts in post meta table and retrieves it.
 * Also generates HTML for different use cases
 */
class QodeLike {
    public function __construct() {
        add_action('wp_enqueue_scripts', array($this, 'enqueueScripts'));
        add_action('wp_ajax_qode_like', array($this, 'ajax'));
        add_action('wp_ajax_nopriv_qode_like', array($this, 'ajax'));
    }


    /**
     * Loads all necessary script for like functionality
     */
    public function enqueueScripts() {
        wp_enqueue_script('jquery');
        wp_enqueue_script('qode-like', get_template_directory_uri() . '/js/plugins/qode-like.min.js', 'jquery', false, true);

        wp_localize_script('qode-like', 'qodeLike', array(
            'ajaxurl' => admin_url('admin-ajax.php')
        ));
    }

    /**
     * Method that hooks to WP ajax functionality. Calss
     */
    public function ajax() {
        $type = isset($_POST['type']) ? $_POST['type'] : '';

        //update
        if(isset($_POST['likes_id'])) {
            $post_id = str_replace('qode-like-', '', $_POST['likes_id']);
            echo $this->likePost($post_id, 'update', $type);
        } //get
        else {
            $post_id = str_replace('qode-like-', '', $_POST['likes_id']);
            echo $this->likePost($post_id, 'get', $type);
        }
        exit;
    }

    /**
     * Returns inner HTML of like button / icon. Also updates like value if action param is update
     * @param $post_id ID of post for which to get likes
     * @param string $action could be update or get. If it's update increases number of likes, if it's get it only generats inner HTML
     * @param string $type type of output to generate. Could be icon or default (button)
     * @return int|mixed|string|void
     */
    public function likePost($post_id, $action = 'get', $type = '') {
        if(!is_numeric($post_id)) {
            return;
        }

        switch($action) {

            case 'get':
                $like_count = get_post_meta($post_id, '_qode-like', true);
                if(!$like_count) {
                    $like_count = 0;
                    add_post_meta($post_id, '_qode-like', $like_count, true);
                }

                if($type == 'icon') {
                    return;
                }

                $return_value = $like_count;

                if($like_count != 1) {
                    $return_value .= "<span> " . __(' Likes', 'qode') . "</span>";
                } else {
                    $return_value .= "<span> " . __(' Like', 'qode') . "</span>";
                }

                return $return_value;
                break;

            case 'update':
                $like_count = get_post_meta($post_id, '_qode-like', true);
                if(isset($_COOKIE['qode-like_' . $post_id])) {
                    return $like_count;
                }

                $like_count++;
                update_post_meta($post_id, '_qode-like', $like_count);
                setcookie('qode-like_' . $post_id, $post_id, time() * 20, '/');

                if($type == 'icon') {
                    return;
                }

                $return_value = $like_count;
                if($like_count != 1) {
                    $return_value .= "<span> " . __(' Likes', 'qode') . "</span>";
                } else {
                    $return_value .= "<span> " . __(' Like', 'qode') . "</span>";
                }

                return $return_value;
                break;
        }
    }

    /**
     * Generates HTML for like button / icon
     * @param string $type type of output to generate. It's passed to QodeLike::likePost method
     * @return string generated HTML
     *
     * @see QodeLike::likePost()
     */
    public function generateLikeHTML($type = '') {
        global $post;

        $output = $this->likePost($post->ID, 'get', $type);

        $class = 'qode-like';
        $title = __('Like this', 'qode');
        if(isset($_COOKIE['qode-like_' . $post->ID])) {
            $class = 'qode-like liked';
            $title = __('You already like this!', 'qode');
        }

        return '<a '.qode_get_inline_attr($type, 'data-type').' href="#" class="'.esc_attr($class).'" id="qode-like-'.esc_attr($post->ID).'" title="'.esc_attr($title).'">' . $output . '</a>';
    }
}

global $qode_like;
$qode_like = new QodeLike();

/**
 *
 */
function qode_like() {
    global $qode_like;
    echo $qode_like->generateLikeHTML();
}

/**
 * @return string
 */
function qode_like_latest_posts() {
    global $qode_like;

    return $qode_like->generateLikeHTML();
}

/**
 * @return string
 */
function qode_like_portfolio_list($type = '') {
    global $qode_like;

    return $qode_like->generateLikeHTML($type);
}

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