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

class-ph-address-keyword-polygon.php in Property Hive 2.2.3, 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	class PH_Address_Keyword_Polygon {
17
18	/** @var PH_Emails The single instance of the class */
19	protected static $_instance = null;
20
21	/** @public array Stores post IDs matching layered nav, so price filter can find max price in view */
22	private $address_keyword_polygon_points = array();
23
24	/**
25	* Main PH_Emails Instance.
26	*
27	* Ensures only one instance of PH_Emails is loaded or can be loaded.
28	*
29	* @since 1.0.0
30	* @static
31	* @return PH_Emails Main instance
32	*/
33	public static function instance() {
34	if ( is_null( self::$_instance ) ) {
35	self::$_instance = new self();
36	}
37	return self::$_instance;
38	}
39
40	/**
41	* Cloning is forbidden.
42	*
43	* @since 1.0.0
44	*/
45	public function __clone() {
46	_doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?', 'propertyhive' ), '1.0.0' );
47	}
48
49	/**
50	* Unserializing instances of this class is forbidden.
51	*
52	* @since 1.0.0
53	*/
54	public function __wakeup() {
55	_doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?', 'propertyhive' ), '1.0.0' );
56	}
57
58	/**
59	* Constructor for the email class hooks in all emails that can be sent.
60	*
61	*/
62	public function __construct() {
63
64	}
65
66	public function get_address_keyword_polygon_coordinates( $address_keyword )
67	{
68	global $wpdb;
69
70	$address_keyword = trim($address_keyword);
71
72	// see if it exists in the table
73	$results = $wpdb->get_results(
74	$wpdb->prepare(
75	"
76	SELECT polygon_coordinates
77	FROM {$wpdb->prefix}ph_address_keyword_polygon
78	WHERE address_keyword = %s
79	",
80	$address_keyword
81	)
82	);
83
84	foreach ( $results as $result )
85	{
86	return @unserialize($result->polygon_coordinates, ['allowed_classes' => false]);
87	}
88
89	// nothing found in the table. Let's go get it
90
91	$url = 'https://nominatim.openstreetmap.org/search.php?q=' . urlencode($address_keyword) . '&polygon_geojson=1&format=json';
92
93	$response = wp_remote_get(
94	$url,
95	array(
96	'headers' => array(
97	'Referer' => home_url(),
98	'User-Agent' => 'Property-Hive/' . PH_VERSION . ' (+https://wp-property-hive.com)',
99	),
100	)
101	);
102
103	if ( is_array( $response ) && ! is_wp_error( $response ) )
104	{
105	$body = $response['body']; // use the content
106
107	$json = json_decode($body, true);
108
109	if ( $json !== FALSE && !empty($json) )
110	{
111	foreach ( $json as $json_result )
112	{
113	if (
114	isset($json_result['class']) && in_array($json_result['class'], array( 'boundary' )) &&
115	isset($json_result['geojson']['type']) && $json_result['geojson']['type'] == 'Polygon'
116	)
117	{
118	$polygon_coordinates = array();
119	foreach ( $json_result['geojson']['coordinates'][0] as $coordinate )
120	{
121	$polygon_coordinates[] = $coordinate[1] . ' ' . $coordinate[0];
122	}
123
124	if ( !empty($polygon_coordinates) )
125	{
126	// Insert into email log
127	$insert = $wpdb->insert(
128	$wpdb->prefix . 'ph_address_keyword_polygon',
129	array(
130	'address_keyword' => $address_keyword,
131	'polygon_coordinates' => serialize($polygon_coordinates)
132	),
133	array(
134	'%s',
135	'%s'
136	)
137	);
138
139	return $polygon_coordinates;
140	}
141	}
142	}
143	}
144	}
145
146	return false;
147	}
148	}