king-addons / includes / helpers / Grid / Post_Likes_Ajax.php

Post_Likes_Ajax.php in King Addons for Elementor – 80+ Elementor Widgets, 4 000+ Elementor Templates, WooCommerce, Mega Menu, Popup Builder 51.1.78, at includes/helpers/Grid/Post_Likes_Ajax.php

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1	<?php
2
3	namespace King_Addons;
4
5	if (!defined('ABSPATH')) exit;
6
7	class Post_Likes_Ajax
8	{
9	public function __construct()
10	{
11	add_action('wp_ajax_nopriv_king_addons_likes_init', [$this, 'likes_init']);
12	add_action('wp_ajax_king_addons_likes_init', [$this, 'likes_init']);
13	}
14
15	public function likes_init()
16	{
17	$nonce = isset($_REQUEST['nonce']) ? sanitize_text_field(wp_unslash($_REQUEST['nonce'])) : '';
18	if (!wp_verify_nonce($nonce, 'king-addons-post-likes-nonce')) exit(esc_html__('Not permitted', 'king-addons'));
19
20	$js_disabled = !empty($_REQUEST['disabled']);
21	$post_id = (!empty($_REQUEST['post_id']) && is_numeric($_REQUEST['post_id'])) ? absint($_REQUEST['post_id']) : '';
22	if (!$post_id) return;
23
24	$count = (int)get_post_meta($post_id, '_post_like_count', true);
25	if (!$this->already_liked($post_id)) {
26	if (is_user_logged_in()) {
27	$user_id = get_current_user_id();
28	update_user_option($user_id, '_user_like_count', (int)get_user_option('_user_like_count', $user_id) + 1);
29	update_post_meta($post_id, '_user_liked', $this->get_user_likes($user_id, $post_id));
30	} else {
31	update_post_meta($post_id, '_user_IP', $this->get_IP_likes($this->get_IP(), $post_id));
32	}
33	$like_count = ++$count;
34	$response['status'] = 'liked';
35	} else {
36	if (is_user_logged_in()) {
37	$user_id = get_current_user_id();
38	$user_like_count = (int)get_user_option('_user_like_count', $user_id);
39	if ($user_like_count > 0) {
40	update_user_option($user_id, '_user_like_count', $user_like_count - 1);
41	}
42	$post_users = $this->get_user_likes($user_id, $post_id);
43	if ($post_users) {
44	unset($post_users[array_search($user_id, $post_users, true)]);
45	update_post_meta($post_id, '_user_liked', $post_users);
46	}
47	} else {
48	$post_users = $this->get_IP_likes($this->get_IP(), $post_id);
49	if ($post_users) {
50	unset($post_users[array_search($this->get_IP(), $post_users, true)]);
51	update_post_meta($post_id, '_user_IP', $post_users);
52	}
53	}
54	$like_count = ($count > 0) ? --$count : 0;
55	$response['status'] = 'unliked';
56	}
57
58	update_post_meta($post_id, '_post_like_count', $like_count);
59	update_post_meta($post_id, '_post_like_modified', date('Y-m-d H:i:s'));
60	$response['count'] = $this->get_like_count($like_count);
61
62	if ($js_disabled) {
63	wp_redirect(get_permalink($post_id));
64	exit;
65	}
66	wp_send_json($response);
67	}
68
69	public function get_button($post_id, $settings)
70	{
71	$nonce = wp_create_nonce('king-addons-post-likes-nonce');
72	$like_count = (int)get_post_meta($post_id, '_post_like_count', true);
73	$button_text = $settings['element_like_text'];
74	$default_text_class = $button_text === '' ? ' king-addons-likes-no-default' : '';
75	if ($like_count === 0) $default_text_class .= ' king-addons-likes-zero';
76
77	if ($this->already_liked($post_id)) {
78	$title = esc_html__('Like', 'king-addons');
79	$liked_class = ' king-addons-already-liked';
80	$icon_class = str_replace('far', 'fas', $settings['element_like_icon']);
81	} else {
82	$title = esc_html__('Unlike', 'king-addons');
83	$liked_class = '';
84	$icon_class = $settings['element_like_icon'];
85	}
86
87	$attributes = 'href="' . esc_url(admin_url('admin-ajax.php?action=king_addons_likes_init&post_id=' . $post_id . '&nonce=' . $nonce)) . '"';
88	$attributes .= ' class="king-addons-post-like-button' . esc_attr($liked_class . $default_text_class) . '"';
89	$attributes .= ' title="' . esc_attr($title) . '"';
90	$attributes .= ' data-ajax="' . esc_url(admin_url('admin-ajax.php')) . '"';
91	$attributes .= ' data-icon="' . esc_attr($icon_class) . '"';
92	$attributes .= ' data-nonce="' . esc_attr($nonce) . '"';
93	$attributes .= ' data-post-id="' . esc_attr($post_id) . '"';
94	/** @noinspection DuplicatedCode */
95	$attributes .= ' data-text="' . esc_attr($button_text) . '"';
96	$output = '<a ' . $attributes . '>';
97	$output .= '<i class="' . esc_attr($icon_class) . '"></i>';
98	$output .= $this->get_like_count($like_count, $button_text);
99	$output .= '</a>';
100	return $output;
101	}
102
103	public function already_liked($post_id)
104	{
105	$post_meta = is_user_logged_in() ? get_post_meta($post_id, '_user_liked') : get_post_meta($post_id, '_user_IP');
106	$post_users = !empty($post_meta[0]) ? $post_meta[0] : [];
107	$user_id = is_user_logged_in() ? get_current_user_id() : $this->get_IP();
108	return (is_array($post_users) && in_array($user_id, $post_users));
109	}
110
111	public function get_user_likes($user_id, $post_id)
112	{
113	$post_meta = get_post_meta($post_id, '_user_liked');
114	$post_users = !empty($post_meta[0]) ? $post_meta[0] : [];
115	if (!in_array($user_id, $post_users)) {
116	$post_users['user-' . $user_id] = $user_id;
117	}
118	return $post_users;
119	}
120
121	public function get_IP_likes($user_ip, $post_id)
122	{
123	$post_meta = get_post_meta($post_id, '_user_IP');
124	$post_users = !empty($post_meta[0]) ? $post_meta[0] : [];
125	if (!in_array($user_ip, $post_users)) {
126	$post_users['ip-' . $user_ip] = $user_ip;
127	}
128	return $post_users;
129	}
130
131	public function get_IP()
132	{
133	if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
134	$ip = sanitize_text_field(wp_unslash($_SERVER['HTTP_CLIENT_IP']));
135	} else {
136	$ip = !empty($_SERVER['REMOTE_ADDR']) ? sanitize_text_field(wp_unslash($_SERVER['REMOTE_ADDR'])) : '0.0.0.0';
137	}
138	$ip = filter_var($ip, FILTER_VALIDATE_IP);
139	return ($ip === false) ? '0.0.0.0' : $ip;
140	}
141
142	public function get_format_count($num)
143	{
144	$precision = 2;
145	if ($num >= 1e9) {
146	$formatted = number_format($num / 1e9, $precision) . 'B';
147	} elseif ($num >= 1e6) {
148	$formatted = number_format($num / 1e6, $precision) . 'M';
149	} elseif ($num >= 1e3) {
150	$formatted = number_format($num / 1e3, $precision) . 'K';
151	} else {
152	$formatted = $num;
153	}
154	return str_replace('.00', '', $formatted);
155	}
156
157	public function get_like_count($count, $like_text = '')
158	{
159	$number = (is_numeric($count) && $count > 0) ? $this->get_format_count($count) : $like_text;
160	return '<span class="king-addons-post-like-count">' . esc_html($number) . '</span>';
161	}
162	}
163
164	new Post_Likes_Ajax();