Your IP : 3.23.103.203
<?php
defined('ABSPATH') || exit;
@require_once NEWSLETTER_INCLUDES_DIR . '/logger.php';
class NewsletterStore {
static $instance = null;
/**
* @var NewsletterLogger
*/
var $logger;
/**
*
* @return NewsletterStore
*/
static function instance() {
if (self::$instance == null) {
self::$instance = new NewsletterStore();
}
return self::$instance;
}
static function singleton() {
return self::instance();
}
function __construct() {
$this->logger = new NewsletterLogger('store');
}
function get_field($table, $id, $field_name) {
global $wpdb;
$field_name = (string)$field_name;
if (preg_match('/^[a-zA-Z0-9_]+$/', $field_name) == 0) {
$this->logger->fatal('Invalis field name: ' . $field_name);
return false;
}
$id = (int)$id;
$r = $wpdb->get_var($wpdb->prepare("select $field_name from $table where id=%d limit 1", $id));
if ($wpdb->last_error) {
$this->logger->error($wpdb->last_error);
return false;
}
return $r;
}
function get_single($table, $id, $format = OBJECT) {
global $wpdb;
$id = (int)$id;
return $this->get_single_by_query($wpdb->prepare("select * from $table where id=%d limit 1", $id), $format);
}
function get_single_by_field($table, $field_name, $field_value, $format = OBJECT) {
global $wpdb;
$field_name = (string)$field_name;
$field_value = (string)$field_value;
if (preg_match('/^[a-zA-Z0-9_]+$/', $field_name) == 0) {
$this->logger->error('Invalis field name: ' . $field_name);
return false;
}
return $this->get_single_by_query($wpdb->prepare("select * from $table where $field_name=%s limit 1", $field_value), $format);
}
function get_count($table, $where = null) {
global $wpdb;
$r = $wpdb->get_var("select count(*) from $table " . ($where != null ? $where : ''));
if ($wpdb->last_error) {
$this->logger->error($wpdb->last_error);
return false;
}
return $r;
}
/**
* Returns a single record executing the given query or null if no row can be found. If more rows are matching
* the query, only the first one is returned. Returns "false" on error (use the strict type checking ===) and a log
* is written.
*
* @global wpdb $wpdb
* @param string $query
* @param type $format
* @return boolean|mixed
*/
function get_single_by_query($query, $format = OBJECT) {
global $wpdb;
$r = $wpdb->get_row($query, $format);
if ($wpdb->last_error) {
$this->logger->error($wpdb->last_error);
return false;
}
return $r;
}
function sanitize($data) {
global $wpdb;
if (strpos($wpdb->charset, 'utf8mb4') === 0) return $data;
foreach ($data as $key => $value) {
$data[$key] = preg_replace('%(?:\xF0[\x90-\xBF][\x80-\xBF]{2}|[\xF1-\xF3][\x80-\xBF]{3}|\xF4[\x80-\x8F][\x80-\xBF]{2})%xs', '', $value);
}
return $data;
}
/**
* Save a record on given table, updating it id the "id" value is set (as key or object property) or inserting it
* if "id" is not set. Accepts objects or associative arrays as data.
*
* Returns "false" is an error occurred or the saved data re-read from the database in given format.
*
* @global wpdb $wpdb
* @param type $table
* @param type $data
*/
function save($table, $data, $return_format = OBJECT) {
global $wpdb;
if (is_object($data)) {
$data = (array) $data;
}
// Remove transient fields
foreach (array_keys($data) as $key) {
if (substr($key, 0, 1) == '_') unset($data[$key]);
}
if (!empty($data['id'])) {
$id = (int)$data['id'];
unset($data['id']);
if (!empty($data)) {
$r = $wpdb->update($table, $this->sanitize($data), ['id' => $id]);
if ($r === false) {
$this->logger->fatal($wpdb->last_error);
$this->logger->fatal($wpdb->last_query);
$this->logger->debug($data);
return $r;
}
}
} else {
unset($data['id']); // for id = 0
$r = $wpdb->insert($table, $this->sanitize($data));
if ($r === false) {
$this->logger->fatal($wpdb->last_error);
$this->logger->fatal($wpdb->last_query);
$this->logger->debug($data);
return $r;
}
$id = $wpdb->insert_id;
}
return $this->get_single($table, $id, $return_format);
}
function increment($table, $id, $field) {
global $wpdb;
$id = (int)$id;
$field = (string)$field;
if (preg_match('/^[a-zA-Z0-9_]+$/', $field) == 0) {
$this->logger->error('Invalis field name: ' . $field);
return false;
}
$result = $wpdb->query($wpdb->prepare("update $table set $field=$field+1 where id=%d", $id));
if ($wpdb->last_error) {
$this->logger->error($wpdb->last_error);
return false;
}
return $result;
}
/**
* Deletes one or more rows by id (or an array of id)
*
* @param int|array $id
* @return int Number of rows deleted
*/
function delete($table, $id) {
global $wpdb;
if (empty($id)) return false;
if (is_array($id)) {
for ($i=0; $i<count($id); $i++) {
$id[$i] = (int)$id[$i];
}
$wpdb->query("delete from " . $table . " where id in (" . implode(',', $id) . ")");
} else {
$wpdb->delete($table, ['id' => (int)$id]);
}
if ($wpdb->last_error) {
$this->logger->error($wpdb->last_error);
return false;
}
return $wpdb->rows_affected;
}
/**
*
* @global wpdb $wpdb
* @param type $table
* @param type $order_by
* @param type $format
* @return type
*/
function get_all($table, $where = null, $format = OBJECT) {
global $wpdb;
if ($where == null) {
$result = $wpdb->get_results("select * from $table", $format);
} else {
$result = $wpdb->get_results("select * from $table $where", $format);
}
return $result;
}
function set_field($table, $id, $field, $value) {
global $wpdb;
$field = (string)$field;
$id = (int)$id;
$value = (string)$value;
if (preg_match('/^[a-zA-Z0-9_]+$/', $field) == 0) {
$this->logger->error('Invalis field name: ' . $field_name);
return false;
}
$result = $wpdb->query($wpdb->prepare("update $table set $field=%s where id=%d limit 1", $value, $id));
if ($wpdb->last_error) {
$this->logger->error($wpdb->last_error);
return false;
}
return $result;
}
function query($query) {
global $wpdb;
$result = $wpdb->query($query);
if ($wpdb->last_error) {
$this->logger->error($wpdb->last_error);
return false;
}
return $result;
}
}