timetics / utils / validator.php

validator.php in Timetics – Appointment Booking Calendar & Scheduling 1.0.62, at utils/validator.php

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1	<?php
2	/**
3	* Validator Traits
4	*
5	* @package Timetics
6	*/
7	namespace Timetics\Utils;
8
9	defined( 'ABSPATH' ) \|\| exit;
10
11	use WP_Error;
12
13	/**
14	* Validator trait
15	*/
16	trait Validator {
17	/**
18	* Store WP_Error Object
19	*
20	* @var WP_Error
21	*/
22	private $error;
23
24	/**
25	* Validation rules
26	*
27	* @var array
28	*/
29	private $rules = ['required', 'min', 'max', 'email', 'timezone'];
30
31	/**
32	* Validation error messages
33	*
34	* @var array
35	*/
36	private $messages = [
37	'required' => ':field is required',
38	'min' => ':field is minimum of :satisfier',
39	'max' => ':field is maximum of :satisfier',
40	'email' => 'This is email is invalid',
41	'timezone' => 'This is not valid timezone',
42	];
43
44	/**
45	* Validate fields
46	*
47	* @param array $rules The rules that will be compared with field value
48	* @param array $fields Input fields
49	*
50	* @return bool \| WP_Error
51	*/
52	public function validate( $rules, $fields ) {
53	$this->error = new WP_Error();
54
55	foreach ( $fields as $field => $value ) {
56	if ( array_key_exists( $field, $rules ) ) {
57	$this->check( [
58	'field' => $field,
59	'value' => $value,
60	'rules' => $rules[$field],
61	] );
62	}
63	}
64
65	if ( $this->error->has_errors() ) {
66	return $this->error;
67	}
68
69	return true;
70	}
71
72	/**
73	* Check the rules with field value
74	*
75	* @param array $item
76	*
77	* @return void
78	*/
79	private function check( $item ) {
80	$field = $item['field'];
81	$value = $item['value'];
82	$rules = $item['rules'];
83
84	foreach ( $rules as $rule => $satisfier ) {
85	if ( ! in_array( $rule, $this->rules ) ) {
86	continue;
87	}
88
89	if ( ! call_user_func_array( [$this, $rule], [$field, $value, $satisfier] ) ) {
90	$code = $item['field'] . '_' . $rule;
91	$message = str_replace( [':field', ':satisfier'], [$field, $satisfier], $this->messages[$rule] );
92
93	$this->error->add( $code, $message );
94	}
95	}
96	}
97
98	/**
99	* Required validation
100	*
101	* @return bool
102	*/
103	private function required( $field, $value, $satisfier ) {
104	return ! empty( $value );
105	}
106
107	/**
108	* Minimum length validation
109	*
110	* @return bool
111	*/
112	private function min( $field, $value, $satisfier ) {
113	return mb_strlen( $value ) >= $satisfier;
114	}
115
116	/**
117	* Maximum length validation
118	*
119	* @return bool
120	*/
121	private function max( $field, $value, $satisfier ) {
122	return mb_strlen( $value ) <= $satisfier;
123	}
124
125	/**
126	* Email validation
127	*
128	* @return bool
129	*/
130	private function email( $field, $value, $satisfier ) {
131	return filter_var( $value, FILTER_VALIDATE_EMAIL );
132	}
133
134	/**
135	* Validate timezone
136	*
137	* @return bool
138	*/
139	private function timezone( $field, $value, $satisfier ) {
140	try {
141	new \DateTimeZone( $value );
142	} catch ( \Exception $e ) {
143	return false;
144	}
145
146	return true;
147	}
148	}
149