booktics / utils / validator.php

validator.php in Booktics – Appointment Booking Calendar for Service Businesses 1.0.25, at utils/validator.php

149 lines 3.2 KB

Raw Download Zip

1	<?php
2	/**
3	* Validator Traits
4	*
5	* @package Booktics
6	*/
7	namespace Booktics\Utils;
8
9	use WP_Error;
10
11	/**
12	* Validator trait
13	*/
14	trait Validator {
15	/**
16	* Store WP_Error Object
17	*
18	* @var WP_Error
19	*/
20	private $error;
21
22	/**
23	* Validation rules
24	*
25	* @var array
26	*/
27	private $rules = array( 'required', 'min', 'max', 'email', 'timezone' );
28
29	/**
30	* Validation error messages
31	*
32	* @var array
33	*/
34	private $messages = array(
35	'required' => ':field is required',
36	'min' => ':field is minimum of :satisfier',
37	'max' => ':field is maximum of :satisfier',
38	'email' => 'This is email is invalid',
39	'timezone' => 'This is not valid timezone',
40	);
41
42	/**
43	* Validate fields
44	*
45	* @param array $rules The rules that will be compared with field value
46	* @param array $fields Input fields
47	*
48	* @return bool \| WP_Error
49	*/
50	public function validate( $rules, $fields ) {
51	$this->error = new WP_Error();
52
53	foreach ( $fields as $field => $value ) {
54	if ( array_key_exists( $field, $rules ) ) {
55	$this->check(
56	array(
57	'field' => $field,
58	'value' => $value,
59	'rules' => $rules[ $field ],
60	)
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, true ) ) {
86	continue;
87	}
88
89	if ( ! call_user_func_array( array( $this, $rule ), array( $field, $value, $satisfier ) ) ) {
90	$code = $item['field'] . '_' . $rule;
91	$message = str_replace( array( ':field', ':satisfier' ), array( $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