chatbot / includes / class-wpwbot-table.php

class-wpwbot-table.php in WPBot – AI ChatBot for Live Support, Lead Generation, WordPress Automation, AI Services 8.3.8, at includes/class-wpwbot-table.php

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1	<?php
2	if ( ! defined( 'ABSPATH' ) ) {
3	exit;
4	}
5	if ( ! class_exists( 'wpwBot_Table' ) ) :
6	/**
7	* Class for plugin index table
8	*/
9	class wpwBot_Table {
10	/**
11	* @var wpwBot_Table Index table name
12	*/
13	private $table_name;
14	/**
15	* Constructor
16	*/
17	public function __construct() {
18	global $wpdb;
19	$this->table_name = $wpdb->prefix . QCLD_wpCHATBOT_INDEX_TABLE;
20	add_action( 'wp_insert_post', array( $this, 'update_table' ), 10, 3 );
21
22	if ( defined('wpCOMMERCE_VERSION') ) {
23	if ( version_compare( wpCOMMERCE_VERSION, '3.0', ">=" ) ) {
24	add_action( 'wpcommerce_variable_product_sync_data', array( $this, 'variable_product_changed' ) );
25	} else {
26	add_action( 'wpcommerce_variable_product_sync', array( $this, 'variable_product_changed' ), 10, 2 );
27	}
28	}
29
30	add_action( 'wp_ajax_qcld-wp-chabot-reindex', array( $this, 'reindex_table' ) );
31	add_action( 'wp_ajax_qcld-wp-chabot-cancel-index', array( $this, 'cancel_reindex' ) );
32	}
33	/*
34	* Reindex plugin table
35	*/
36	public function reindex_table( $return) {
37	$nonce = sanitize_text_field(wp_unslash($_POST['nonce']));
38	if (! wp_verify_nonce($nonce,'wp_chatbot') \|\| ! current_user_can('manage_options')) {
39	wp_send_json(array('success' => false, 'msg' => esc_html__('Failed in Security check', 'chatbot')));
40	wp_die();
41
42	}else{
43	global $wpdb;
44	$index_meta = get_option( 'wp_chatbot_index_meta', false );
45	$status = false;
46	// No current index going on. Let's start over
47	if ( false === $index_meta ) {
48	$status = 'start';
49	$index_meta = array(
50	'offset' => 0,
51	'start' => true,
52	);
53
54	// phpcs:ignore
55	$wpdb->query("DROP TABLE IF EXISTS {$this->table_name}"); //DB Call OK
56
57	$this->create_table();
58
59	$index_meta['found_posts'] = $this->get_number_of_products();
60	} else if ( ! empty( $index_meta['site_stack'] ) && $index_meta['offset'] >= $index_meta['found_posts'] ) {
61	$status = 'start';
62	$index_meta['start'] = true;
63	$index_meta['offset'] = 0;
64	$index_meta['current_site'] = array_shift( $index_meta['site_stack'] );
65	} else {
66	$index_meta['start'] = false;
67	}
68	$index_meta = apply_filters( 'wp_chatbot_index_meta', $index_meta );
69	$posts_per_page = apply_filters( 'wp_chatbot_index_posts_per_page', 30 );
70	$args = array(
71	'posts_per_page' => $posts_per_page,
72	'fields' => 'ids',
73	'post_type' => 'product',
74	'post_status' => 'publish',
75	'offset' => $index_meta['offset'],
76	'ignore_sticky_posts' => true,
77	'suppress_filters' => true,
78	'no_found_rows' => 1,
79	'orderby' => 'ID',
80	'order' => 'DESC',
81	);
82	$posts = get_posts( $args );
83	if ( $status !== 'start' ) {
84	if ( $posts && count( $posts ) > 0 ) {
85	$queued_posts = array();
86	foreach( $posts as $post_id ) {
87	$queued_posts[] = absint( $post_id );
88	}
89	$this->fill_table( $queued_posts );
90	$index_meta['offset'] = absint( $index_meta['offset'] + $posts_per_page );
91	if ( $index_meta['offset'] >= $index_meta['found_posts'] ) {
92	$index_meta['offset'] = $index_meta['found_posts'];
93	}
94	update_option( 'wp_chatbot_index_meta', $index_meta );
95	} else {
96	// We are done (with this site)
97	$index_meta['offset'] = (int) count( $posts );
98	delete_option( 'wp_chatbot_index_meta' );
99	update_option( 'wp_chatbot_index_count', 1 );
100	}
101	} else {
102	update_option( 'wp_chatbot_index_meta', $index_meta );
103	}
104	if ( $return ) {
105	return $index_meta;
106	} else {
107	wp_send_json_success( $index_meta );
108	}
109	}
110	}
111	/*
112	* Get total number of products
113	*/
114	private function get_number_of_products() {
115	$args = array(
116	'posts_per_page' => -1,
117	'fields' => 'ids',
118	'post_type' => 'product',
119	'post_status' => 'publish',
120	'ignore_sticky_posts' => true,
121	'suppress_filters' => true,
122	'no_found_rows' => 1,
123	'orderby' => 'ID',
124	'order' => 'DESC',
125	);
126	$posts = get_posts( $args );
127	if ( $posts && count( $posts ) > 0 ) {
128	$count = count( $posts );
129	} else {
130	$count = 0;
131	}
132	return $count;
133	}
134	/*
135	* Check if index table exist
136	*/
137	private function is_table_not_exist() {
138	global $wpdb;
139	return ( $wpdb->get_var( "SHOW TABLES LIKE '{$this->table_name}'" ) != $this->table_name ); //DB Call OK, No Caching OK
140	}
141	/*
142	* Create index table
143	*/
144	private function create_table() {
145	global $wpdb;
146	$charset_collate = $wpdb->get_charset_collate();
147	$sql = "CREATE TABLE {$this->table_name} (
148	id BIGINT(20) UNSIGNED NOT NULL DEFAULT 0,
149	term VARCHAR(50) NOT NULL DEFAULT 0,
150	term_source VARCHAR(20) NOT NULL DEFAULT 0,
151	type VARCHAR(50) NOT NULL DEFAULT 0,
152	count BIGINT(20) UNSIGNED NOT NULL DEFAULT 0,
153	in_stock INT(11) NOT NULL DEFAULT 0,
154	visibility VARCHAR(20) NOT NULL DEFAULT 0,
155	lang VARCHAR(20) NOT NULL DEFAULT 0
156	) $charset_collate;";
157	require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
158	dbDelta( $sql );
159
160	$table_report = $wpdb->prefix . 'wpbot_chat_report';
161
162	if ( $wpdb->get_var( "SHOW TABLES LIKE '$table_report'" ) != $table_report ) {
163	$sql_report = "
164	CREATE TABLE `$table_report` (
165	`id` int(11) NOT NULL AUTO_INCREMENT,
166	`user_id` int(11) NOT NULL,
167	`conversation_id` int(11) DEFAULT NULL,
168	`message` longtext NOT NULL,
169	`feedback` varchar(20) DEFAULT NULL,
170	`meta_info` text DEFAULT NULL,
171	`created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
172	PRIMARY KEY (`id`)
173	) $charset_collate AUTO_INCREMENT=1;
174	";
175
176	require_once ABSPATH . 'wp-admin/includes/upgrade.php';
177	dbDelta( $sql_report );
178	}
179	}
180	/*
181	* Insert data into the index table
182	*/
183	private function fill_table( $posts ) {
184
185	}
186	/*
187	* Scrap all product data and insert to table
188	*/
189	private function insert_into_table( $data ) {
190	global $wpdb;
191	$values = array();
192	foreach( $data['terms'] as $source => $all_terms ) {
193	foreach ( $all_terms as $term => $count ) {
194	if ( ! $term ) {
195	continue;
196	}
197	$value = $wpdb->prepare(
198	"(%d, %s, %s, %s, %d, %d, %s, %s)",
199	$data['id'], $term, $source, 'product', $count, $data['in_stock'], $data['visibility'], $data['lang']
200	);
201	$values[] = $value;
202	}
203	}
204	if ( count( $values ) > 0 ) {
205	$values = implode( ', ', $values );
206	$query = "INSERT IGNORE INTO {$this->table_name}
207	(`id`, `term`, `term_source`, `type`, `count`, `in_stock`, `visibility`, `lang`)
208	VALUES $values
209	";
210	$wpdb->query( $query ); //DB Call OK, No Caching OK
211	}
212	}
213	/*
214	* Update index table
215	*/
216	public function update_table( $post_id, $post, $update ) {
217	global $wpdb;
218	if ( $this->is_table_not_exist() ) {
219	$this->create_table();
220	}
221	$slug = 'product';
222	if ( $slug != $post->post_type ) {
223	return;
224	}
225	$wpdb->delete( $this->table_name, array( 'id' => $post_id ) ); //DB Call OK, No Caching OK
226	$posts = get_posts( array(
227	'posts_per_page' => -1,
228	'fields' => 'ids',
229	'post_type' => 'product',
230	'post_status' => 'publish',
231	'suppress_filters' => false,
232	'no_found_rows' => 1,
233	'include' => $post_id
234	) );
235	$this->fill_table( $posts );
236	}
237	/*
238	* Fires when products terms are changed
239	*/
240	public function term_changed( $term_id, $tt_id, $taxonomy ) {
241	if ( $taxonomy === 'product_cat' \|\| $taxonomy === 'product_tag' ) {
242	}
243	}
244	/*
245	* Fires when products variations are changed
246	*/
247	public function variable_product_changed( $product, $children = null ) {
248	global $wpdb;
249	$product_id = '';
250
251	if ( $this->is_table_not_exist() ) {
252	$this->create_table();
253	}
254
255	if ( is_object( $product ) ) {
256	$product_id = $product->get_id();
257	} else {
258	$product_id = $product;
259	}
260
261	$wpdb->delete( $this->table_name, array( 'id' => $product_id ) ); //DB Call OK, No Caching OK
262
263	$posts = get_posts( array(
264	'posts_per_page' => -1,
265	'fields' => 'ids',
266	'post_type' => 'product',
267	'post_status' => 'publish',
268	'suppress_filters' => false,
269	'no_found_rows' => 1,
270	'include' => $product_id
271	) );
272	$this->fill_table( $posts );
273	}
274	/*
275	* Cancel index
276	*/
277	public function cancel_reindex() {
278	$nonce = sanitize_text_field(wp_unslash($_POST['nonce']));
279	if (! wp_verify_nonce($nonce,'wp_chatbot') \|\| ! current_user_can('manage_options')) {
280	wp_send_json(array('success' => false, 'msg' => esc_html__('Failed in Security check', 'chatbot')));
281	wp_die();
282
283	}else{
284	delete_option( 'wp_chatbot_index_meta' );
285	wp_send_json_success( 'Deleted!' );
286	}
287	}
288	/*
289	* Strip shortcodes
290	*/
291	private function strip_shortcodes( $content ) {
292	$content = preg_replace( '#\[[^\]]+\]#', '', $content );
293	return $content;
294	}
295	/*
296	* Extract terms from content
297	*/
298	private function extract_terms( $str ) {
299	$stopwords = str_replace('\\', '', get_option('qlcd_wp_chatbot_stop_words'));
300	$str = $this->html2txt( $str );
301	// Avoid single A-Z.
302
303	$special_cars = $this->get_special_chars();
304	$str = str_replace( $special_cars, "", $str );
305	$str = str_replace( array(
306	"Ă‹â€ˇ",
307	"Ă‚Â°",
308	"Ă‹â€ş",
309	"Ă‹ĹĄ",
310	"Ă‚Â¸",
311	"Ă‚Â§",
312	"=",
313	"Ă‚Â¨",
314	"â€™",
315	"â€",
316	"â€ť",
317	"â€ś",
318	"â€ž",
319	"Â´",
320	"â€”",
321	"â€“",
322	"Ă—",
323	'’',
324	" ",
325	chr( 194 ) . chr( 160 )
326	), " ", $str );
327	$str = str_replace( 'Ăź', 'ss', $str );
328	$str = preg_replace( '/[[:space:]]+/', ' ', $str );
329	// Most objects except unicode characters
330	$str = preg_replace( '/[\x00-\x08\x0B\x0C\x0E-\x1F\x80-\x9F]/u', '', $str );
331	// Line feeds, carriage returns, tabs
332	$str = preg_replace( '/[\x00-\x1F\x80-\x9F]/u', '', $str );
333	if ( function_exists( 'mb_strtolower' ) ) {
334	$str = mb_strtolower( $str );
335	} else {
336	$str = strtolower( $str );
337	}
338	$str = preg_replace( '/^[a-z]$/i', "", $str );
339	$str = trim( preg_replace( '/\s+/', ' ', $str ) );
340	$str_array = array_count_values( explode( ' ', $str ) );
341	if ( $stopwords && $str_array && ! empty( $str_array ) ) {
342	$stopwords_array = explode( ',', $stopwords );
343	if ( $stopwords_array && ! empty( $stopwords_array ) ) {
344	$stopwords_array = array_map( 'trim', $stopwords_array );
345	foreach ( $str_array as $str_word => $str_count ) {
346	if ( in_array( $str_word, $stopwords_array ) ) {
347	unset( $str_array[$str_word] );
348	}
349	}
350	}
351	}
352	return $str_array;
353	}
354	/*
355	* Removes scripts, styles, html tags
356	*/
357	public function html2txt( $str ) {
358	$search = array(
359	'@<script[^>]?>.?</script>@si',
360	'@<[\/\!]?[^<>]?>@si',
361	'@<style[^>]?>.?</style>@siU',
362	'@<![\s\S]?--[ \t\n\r]>@'
363	);
364	$str = preg_replace( $search, '', $str );
365	$str = esc_attr( $str );
366	$str = stripslashes( $str );
367	$str = str_replace( array( "\r", "\n" ), ' ', $str );
368	$str = str_replace( array(
369	"Â·",
370	"â€¦",
371	"â‚¬",
372	""
373	), "", $str );
374	return $str;
375	}
376	/*
377	* Get special characters that must be striped
378	*/
379	public function get_special_chars() {
380	$chars = array(
381	'-',
382	'_',
383	'\|',
384	'+',
385	'`',
386	'~',
387	'!',
388	'@',
389	'#',
390	'$',
391	'%',
392	'^',
393	'&',
394	'*',
395	'(',
396	')',
397	'\\',
398	'?',
399	';',
400	':',
401	"'",
402	'"',
403	".",
404	",",
405	"<",
406	">",
407	"{",
408	"}",
409	"/",
410	"[",
411	"]",
412	);
413	return apply_filters( 'wp_chatbot_special_chars', $chars );
414	}
415	/*
416	* Get string with current product terms ids
417	*
418	* @return string List of terms ids
419	*/
420	private function get_terms_list( $id, $taxonomy ) {
421	$terms = get_the_terms( $id, $taxonomy );
422	if ( is_wp_error( $terms ) ) {
423	return '';
424	}
425	if ( empty( $terms ) ) {
426	return '';
427	}
428	$cats_array_temp = array();
429	foreach ( $terms as $term ) {
430	$cats_array_temp[] = $term->term_id;
431	}
432	return implode( ', ', $cats_array_temp );
433	}
434	/*
435	* Get string with current product terms names
436	*
437	* @return string List of terms names
438	*/
439	private function get_terms_names_list( $id, $taxonomy ) {
440	$terms = get_the_terms( $id, $taxonomy );
441	if ( is_wp_error( $terms ) ) {
442	return '';
443	}
444	if ( empty( $terms ) ) {
445	return '';
446	}
447	$cats_array_temp = array();
448	foreach ( $terms as $term ) {
449	$cats_array_temp[] = $term->name;
450	}
451	return implode( ', ', $cats_array_temp );
452	}
453	}
454	endif;
455	new wpwBot_Table();