wp-ajaxify-comments / wp-ajaxify-comments.php

wp-ajaxify-comments.php in Ajaxify Comments – Ajax and Lazy Loading Comments 3.0.2, at wp-ajaxify-comments.php

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1	<?php
2	/*
3	Plugin Name: Ajaxify Comments - Ajax and Lazy Loading Comments
4	Plugin URI: https://dlxplugins.com/plugins/ajaxify-comments/
5	Description: Ajaxify Comments hooks into your current theme and adds AJAX functionality to the comment form. It also supports lazy loading of the comments section.
6	Author: DLX Plugins
7	Author URI: https://dlxplugins.com/plugins/ajaxify-comments/
8	Version: 3.0.2
9	License: GPLv2
10	Text Domain: wp-ajaxify-comments
11	*/
12
13	namespace DLXPlugins\WPAC;
14
15	define( 'WPAC_VERSION', '3.0.2' );
16	define( 'WPAC_PLUGIN_NAME', 'WP Ajaxify Comments' );
17	define( 'WPAC_SETTINGS_URL', 'admin.php?page=wp-ajaxify-comments' );
18	define( 'WPAC_DOMAIN', 'wpac' );
19	define( 'WPAC_OPTION_PREFIX', WPAC_DOMAIN . '_' ); // used to save options in version <=0.8.0
20	define( 'WPAC_OPTION_KEY', WPAC_DOMAIN ); // used to save options in version >= 0.9.0
21	define( 'WPAC_FILE', __FILE__ );
22
23	/**
24	* The next group of constants are used for matching strings and should not be changed.
25	*/
26	if ( function_exists( 'is_wp_version_compatible' ) && is_wp_version_compatible( '5.5' ) ) {
27	define( 'WPAC_WP_ERROR_PLEASE_TYPE_COMMENT', '<strong>Error:</strong> Please type your comment text.' );
28	} else {
29	define( 'WPAC_WP_ERROR_PLEASE_TYPE_COMMENT', '<strong>Error:</strong> Please type a comment.' );
30	}
31	define( 'WPAC_WP_ERROR_COMMENTS_CLOSED', 'Sorry, comments are closed for this item.' );
32	define( 'WPAC_WP_ERROR_MUST_BE_LOGGED_IN', 'Sorry, you must be logged in to post a comment.' );
33	define( 'WPAC_WP_ERROR_FILL_REQUIRED_FIELDS', '<strong>Error:</strong> Please fill the required fields (name, email).' );
34	define( 'WPAC_WP_ERROR_INVALID_EMAIL_ADDRESS', '<strong>Error:</strong> Please enter a valid email address.' );
35	define( 'WPAC_WP_ERROR_POST_TOO_QUICKLY', 'You are posting comments too quickly. Slow down.' );
36	define( 'WPAC_WP_ERROR_DUPLICATE_COMMENT', 'Duplicate comment detected; it looks as though you’ve already said that!' );
37
38	// Support for site-level autoloading.
39	if ( file_exists( __DIR__ . '/lib/autoload.php' ) ) {
40	require_once __DIR__ . '/lib/autoload.php';
41	}
42
43	require_once Functions::get_plugin_dir( 'functions.php' );
44
45	/**
46	* Run when the plugin is loaded.
47	*/
48	function plugins_loaded() {
49
50	if ( is_admin() ) {
51	$admin = new Admin\Init();
52	$admin->init();
53	}
54
55	// Init menu helper.
56	$menu_helper = new Menu_Helper();
57	$menu_helper->run();
58
59	// Init lazy load.
60	$lazy_load = new Lazy_Load();
61	$lazy_load->run();
62
63	// Load die handler. This should only affect if `HTTP_X_WPAC_REQUEST` server var is set.
64	add_filter( 'wp_die_handler', 'wpac_wp_die_handler' );
65
66	// For checking when a theme has changed.
67	add_action( 'switch_theme', __NAMESPACE__ . '\wpac_has_switched_theme' );
68	}
69	add_action( 'plugins_loaded', __NAMESPACE__ . '\plugins_loaded' );
70
71	/**
72	* Run when the theme has been switched.
73	*
74	* We'll use this to alert the user to re-save settings.
75	*/
76	function wpac_has_switched_theme() {
77	update_option( 'wpac_theme_has_changed', true );
78	}
79
80	/**
81	* Run when WP has finished loading in.
82	*
83	* Queries should be initialized by now, so we can check for post variables.
84	*/
85	function wp() {
86	/**
87	* Fires before the main WPAC actions/filters. Useful for hooking in early.
88	*/
89	do_action( 'dlxplugins/ajaxify/comments/wp' );
90
91	// If Ajaxify enabled, run the plugin.
92	if ( Functions::is_ajaxify_enabled() ) {
93	add_filter( 'the_comments', 'wpac_comments_template_query_args_filter' );
94	add_action( 'wp_enqueue_scripts', 'wpac_initialize', 9 );
95	add_action( 'wp_enqueue_scripts', 'wpac_enqueue_scripts' );
96	add_filter( 'option_page_comments', 'wpac_option_page_comments' );
97	add_filter( 'option_comments_per_page', 'wpac_option_comments_per_page' );
98
99	// For Genesis compatibility.
100	add_filter( 'genesis_before_comments', 'wpac_genesis_before_comments' );
101	}
102	}
103	add_action( 'wp', __NAMESPACE__ . '\wp' );
104
105	/**
106	* Fires before a comment is posted.
107	*
108	* @param int $comment_post_id The post ID the comment will be posted to.
109	*/
110	global $wpac_global_comment_post_id;
111	function pre_comment_on_post( $comment_post_id ) {
112	global $wpac_global_comment_post_id;
113	$wpac_global_comment_post_id = $comment_post_id;
114	add_filter( 'gettext', 'wpac_filter_gettext', 20, 3 ); // todo - need to run earlier.
115	}
116	add_action( 'pre_comment_on_post', __NAMESPACE__ . '\pre_comment_on_post' );
117
118	/* Setup plugin activation and redirection */
119	register_activation_hook( __FILE__, __NAMESPACE__ . '\on_plugin_activation' );
120	add_action( 'admin_init', __NAMESPACE__ . '\activate_redirect' );
121
122	/**
123	* Determine if a user can be redirected or not.
124	*
125	* @return true if the user can be redirected. false if not.
126	*/
127	function can_redirect_on_activation() {
128	/**
129	* Filter whether to redirect on plugin activation.
130	*
131	* @param bool $can_redirect Whether to redirect on plugin activation. Pass `false` to prevent redirect.
132	*/
133	$can_redirect = apply_filters( 'dlxplugins/ajaxify/comments/activation/can_redirect', true );
134	if ( false === $can_redirect ) {
135	return false;
136	}
137
138	// If plugin is activated in network admin options, skip redirect.
139	if ( is_network_admin() ) {
140	return false;
141	}
142
143	// Skip redirect if WP_DEBUG is enabled.
144	if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
145	return false;
146	}
147
148	// Check for dev mode.
149	if ( function_exists( 'wp_get_development_mode' ) ) {
150	if ( ! empty( wp_get_development_mode() ) ) {
151	return false;
152	}
153	}
154
155	// Determine if multi-activation is enabled.
156	$maybe_multi = filter_input( INPUT_GET, 'activate-multi', FILTER_VALIDATE_BOOLEAN );
157	if ( $maybe_multi ) {
158	return false;
159	}
160
161	// All is well. Can redirect.
162	return true;
163	}
164
165	/**
166	* Callback when the plugin is activated.
167	*/
168	function on_plugin_activation() {
169	if ( can_redirect_on_activation() ) {
170	// Add option for whether to redirect.
171	add_option( 'wpac_do_activation_redirect', sanitize_text_field( __FILE__ ) );
172	}
173	}
174
175	/**
176	* Redirect in the admin upon plugin activation.
177	*/
178	function activate_redirect() {
179	if ( can_redirect_on_activation() && is_admin() ) {
180	if ( __FILE__ === get_option( 'wpac_do_activation_redirect' ) ) {
181	delete_option( 'wpac_do_activation_redirect' );
182	wp_safe_redirect( esc_url_raw( add_query_arg( array( 'first_time_install' => true ), Functions::get_settings_url() ) ) );
183	exit;
184	}
185	}
186	}
187