propertyhive / includes / class-ph-address-keyword-polygon.php

class-ph-address-keyword-polygon.php in Property Hive 2.3.1, at includes/class-ph-address-keyword-polygon.php

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1	<?php
2
3	if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
4
5	/**
6	* PropertyHive PH_Address_Keyword_Polygon
7	*
8	* Polygon Handler
9	*
10	* @class PH_Address_Keyword_Polygon
11	* @version 1.0.0
12	* @package PropertyHive/Classes
13	* @category Class
14	* @author PropertyHive
15	*/
16	// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedClassFound -- Legacy public global class PH_Address_Keyword_Polygon; preserving the existing PH_* class name is required for plugin and extension compatibility.
17	class PH_Address_Keyword_Polygon {
18
19	/** @var PH_Emails The single instance of the class */
20	protected static $_instance = null;
21
22	/** @public array Stores post IDs matching layered nav, so price filter can find max price in view */
23	private $address_keyword_polygon_points = array();
24
25	/**
26	* Main PH_Emails Instance.
27	*
28	* Ensures only one instance of PH_Emails is loaded or can be loaded.
29	*
30	* @since 1.0.0
31	* @static
32	* @return PH_Emails Main instance
33	*/
34	public static function instance() {
35	if ( is_null( self::$_instance ) ) {
36	self::$_instance = new self();
37	}
38	return self::$_instance;
39	}
40
41	/**
42	* Cloning is forbidden.
43	*
44	* @since 1.0.0
45	*/
46	public function __clone() {
47	_doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin’ huh?', 'propertyhive' ), '1.0.0' );
48	}
49
50	/**
51	* Unserializing instances of this class is forbidden.
52	*
53	* @since 1.0.0
54	*/
55	public function __wakeup() {
56	_doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin’ huh?', 'propertyhive' ), '1.0.0' );
57	}
58
59	/**
60	* Constructor for the email class hooks in all emails that can be sent.
61	*
62	*/
63	public function __construct() {
64
65	}
66
67	public function get_address_keyword_polygon_coordinates( $address_keyword )
68	{
69	global $wpdb;
70
71	$address_keyword = trim($address_keyword);
72
73	// see if it exists in the table
74	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching -- Prepared read from the plugin's persistent geocoding cache; cached polygons avoid external HTTP and this custom table has no core data API.
75	$results = $wpdb->get_results(
76	$wpdb->prepare(
77	"
78	SELECT polygon_coordinates
79	FROM {$wpdb->prefix}ph_address_keyword_polygon
80	WHERE address_keyword = %s
81	",
82	$address_keyword
83	)
84	);
85
86	foreach ( $results as $result )
87	{
88	return @unserialize($result->polygon_coordinates, ['allowed_classes' => false]);
89	}
90
91	// nothing found in the table. Let's go get it
92
93	$url = 'https://nominatim.openstreetmap.org/search.php?q=' . urlencode($address_keyword) . '&polygon_geojson=1&format=json';
94
95	$response = wp_remote_get(
96	$url,
97	array(
98	'headers' => array(
99	'Referer' => home_url(),
100	'User-Agent' => 'Property-Hive/' . PH_VERSION . ' (+https://wp-property-hive.com)',
101	),
102	)
103	);
104
105	if ( is_array( $response ) && ! is_wp_error( $response ) )
106	{
107	$body = $response['body']; // use the content
108
109	$json = json_decode($body, true);
110
111	if ( $json !== FALSE && !empty($json) )
112	{
113	foreach ( $json as $json_result )
114	{
115	if (
116	isset($json_result['class']) && in_array($json_result['class'], array( 'boundary' )) &&
117	isset($json_result['geojson']['type']) && $json_result['geojson']['type'] == 'Polygon'
118	)
119	{
120	$polygon_coordinates = array();
121	foreach ( $json_result['geojson']['coordinates'][0] as $coordinate )
122	{
123	$polygon_coordinates[] = $coordinate[1] . ' ' . $coordinate[0];
124	}
125
126	if ( !empty($polygon_coordinates) )
127	{
128	// Insert into email log
129	// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery -- Populate the plugin's persistent polygon cache using explicit string formats; no equivalent core data API exists for this table.
130	$insert = $wpdb->insert(
131	$wpdb->prefix . 'ph_address_keyword_polygon',
132	array(
133	'address_keyword' => $address_keyword,
134	'polygon_coordinates' => serialize($polygon_coordinates)
135	),
136	array(
137	'%s',
138	'%s'
139	)
140	);
141
142	return $polygon_coordinates;
143	}
144	}
145	}
146	}
147	}
148
149	return false;
150	}
151	}