Opal-Estate-Pro/inc/user/class-opalestate-user-search.php

<?php
/**
 * $Desc$
 *
 * @version    $Id$
 * @package    opalestate
 * @author     Opal  Team <info@wpopal.com >
 * @copyright  Copyright (C) 2019 wpopal.com. All Rights Reserved.
 * @license    GNU/GPL v2 or later http://www.gnu.org/licenses/gpl-2.0.html
 *
 * @website  http://www.wpopal.com
 * @support  http://www.wpopal.com/support/forum.html
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

class OpalEstate_User_Search {

	/**
	 *
	 */
	protected $user_id = 0;

	/**
	 *
	 */
	public static function get_instance() {
		static $_instance;
		if ( ! $_instance ) {
			$_instance = new self();
		}

		return $_instance;
	}

	/**
	 *
	 */
	public function __construct() {
		add_action( 'init', [ $this, 'init' ] );
	}

	/**
	 * Set values when user logined in system
	 */
	public function init() {

		global $current_user;
		wp_get_current_user();

		$this->user_id = $current_user->ID;

		add_filter( 'opalestate_management_user_menu', [ $this, 'dashboard_menu' ] );
		add_action( 'wp_ajax_opalestate_ajx_save_search', [ $this, 'do_save' ] );
		add_action( 'wp_ajax_nopriv_opalestate_ajx_save_search', [ $this, 'do_save' ] );

		add_shortcode( 'opalestate_user_saved_search', [ $this, 'savedsearch_page' ] );

		add_filter( 'opalestate_user_content_saved_search_page', [ $this, 'savedsearch_page' ] );
	}

	/**
	 *
	 */
	public function get_search_by_code( $code ) {

		global $wpdb;

		$query = " SELECT * FROM " . $wpdb->prefix . "opalestate_usersearch WHERE code like %s  ";

		$items = $wpdb->get_results( $wpdb->prepare( $query, $code ) );

		if ( isset( $items[0] ) ) {
			return $items[0];
		}

		return false;
	}

	/**
	 *
	 */
	public function has_existed( $params ) {
		return $this->get_search_by_code( md5( $params ) );
	}

	/**
	 *
	 */
	public function insert( $data ) {
		global $wpdb;

		$args = [
			'name'    => '',
			'params'  => '',
			'code'    => '',
			'user_id' => $this->user_id,
		];

		$args         = array_merge( $args, $data );
		$args['code'] = md5( $data['params'] );

		$id = $wpdb->insert( $wpdb->prefix . 'opalestate_usersearch', $args );

		return $id;
	}

	/**
	 *
	 */
	public static function install() {
		try {
			if ( ! function_exists( 'dbDelta' ) ) {
				require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
			}

			global $wpdb;

			$charset_collate = $wpdb->get_charset_collate();

			$sql = 'CREATE TABLE IF NOT EXISTS ' . $wpdb->prefix . 'opalestate_usersearch' . ' (
						id INT(11) UNSIGNED AUTO_INCREMENT PRIMARY KEY,
						name VARCHAR(255),
						params VARCHAR(255),
						code VARCHAR(255),
						user_id INT(11) DEFAULT 0
					) ' . $charset_collate;
			dbDelta( $sql );

		} catch ( Exception $e ) {

		}
	}

	/**
	 *
	 */
	public function do_save() {
		if ( $this->user_id > 0 && isset( $_POST['params'] ) && isset( $_POST['name'] ) && ! empty( $_POST['name'] ) && ! empty( $_POST['params'] ) ) {
			if ( ! $this->has_existed( $_POST['params'] ) ) {
				$this->insert( [ 'name' => sanitize_text_field( $_POST['name'] ), 'params' => $_POST['params'] ] );
				$result = [ 'status' => true, 'message' => esc_html__( 'Saved this search successful.', 'opalestate-pro' ) ];
			} else {
				$result = [ 'status' => false, 'message' => esc_html__( 'You saved this search', 'opalestate-pro' ) ];
			}
		} else {
			$result = [ 'status' => false, 'message' => esc_html__( 'Please sign in to save this search.', 'opalestate-pro' ) ];
		}

		echo json_encode( $result );

		die;
	}

	/**
	 *
	 */
	public function do_delete( $id ) {

		global $wpdb;
		if ( $this->user_id ) {
			$wpdb->delete( $wpdb->prefix . "opalestate_usersearch", [ 'id' => $id, 'user_id' => $this->user_id ], [ '%d' ] );
		}
	}

	/**
	 *
	 */
	public function get_list() {

		global $wpdb;

		$query = " SELECT * FROM " . $wpdb->prefix . "opalestate_usersearch where user_id=" . $this->user_id;

		return $wpdb->get_results( $query );
	}

	/**
	 *
	 */
	public function is_saved() {

	}

	/**
	 *
	 */
	public function dashboard_menu( $menu ) {
		$menu['savedsearch'] = [
			'icon'  => 'fa fa-search',
			'link'  => 'saved_search',
			'title' => esc_html__( 'Saved Search', 'opalestate-pro' ),
			'id'    => 0,
		];

		return $menu;
	}

	/**
	 *
	 */
	public function savedsearch_page() {
		if ( isset( $_GET['doaction'] ) && $_GET['doaction'] == 'delete' && isset( $_GET['id'] ) ) {
			$this->do_delete( absint( $_GET['id'] ) );
		}

		return opalestate_load_template_path( 'user-search/content-savedsearch' );
	}

	/**
	 *
	 */
	public function render_button() {
		echo opalestate_load_template_path( 'user-search/render-form' );
	}
}

if ( opalestate_options( 'enable_saved_usersearch', 'on' ) == 'on' ) {
	OpalEstate_User_Search::get_instance();
}