booktics / base / validation / validator.php

validator.php in Booktics – Appointment Booking Calendar for Service Businesses trunk, at base/validation/validator.php

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1	<?php
2	/**
3	* Input Validation class
4	*
5	* @package Booktics\Validation
6	*/
7	namespace Booktics\Validation;
8
9	use Booktics\Validation\Rules\Rule;
10	use WP_Error;
11
12	class Validator {
13	/**
14	* Store validation data
15	*
16	* @var array
17	*/
18	protected array $data = array();
19
20	/**
21	* Store validation rules
22	*
23	* @var array
24	*/
25	protected array $rules = array();
26
27	/**
28	* Store aliases
29	*
30	* @var array
31	*/
32	protected array $aliases = array();
33
34	/**
35	* Store errors
36	*
37	* @var Object
38	*/
39	protected $errors;
40
41	/**
42	* Initialize
43	*
44	* @param array $data
45	*
46	* @return void
47	*/
48	public function __construct( array $data ) {
49	$this->data = $data;
50	$this->errors = new WP_Error();
51	}
52
53	/**
54	* Set validation rules
55	*
56	* @param array $rules
57	*
58	* @return void
59	*/
60	public function set_rules( array $rules ) {
61	$this->rules = $rules;
62	}
63
64	/**
65	* Set field validation aliases
66	*
67	* @param array $aliases
68	*
69	* @return void
70	*/
71	public function set_aliases( array $aliases ) {
72	$this->aliases = $aliases;
73	}
74
75	/**
76	* Validate data
77	*
78	* @return bool
79	*/
80	public function validate() {
81	foreach ( $this->rules as $field => $rules ) {
82	foreach ( $this->resolve_rules( $rules ) as $rule ) {
83	$this->validate_rule( $field, $rule );
84	}
85	}
86
87	return ! $this->errors->has_errors();
88	}
89
90	/**
91	* Get validation error
92	*
93	* @return WP_Error
94	*/
95	public function get_error() {
96	return $this->errors;
97	}
98
99	/**
100	* Validate a single rule
101	*
102	* @param string $field
103	* @param Rule $rule
104	*
105	* @return bool
106	*/
107	protected function validate_rule( string $field, Rule $rule ) {
108
109	if ( ! $rule->passes( $field, $this->get_field_value( $field ) ) ) {
110	$this->errors->add( $field, $rule->message( $this->get_field_alias( $field ) ), array( 'status' => '400' ) );
111	}
112	return true;
113	}
114
115	/**
116	* Resolve rules
117	*
118	* @param array $rules
119	*
120	* @return array
121	*/
122	protected function resolve_rules( array $rules ) {
123	return array_map(
124	function ( $rule ) {
125	if ( is_string( $rule ) ) {
126	return $this->get_rule_from_string( $rule );
127	}
128	return $rule;
129	}, $rules
130	);
131	}
132
133	/**
134	* Extract rules from string value
135	*
136	* @param array \| string $rule
137	*
138	* @return Rule
139	*/
140	protected function get_rule_from_string( $rule ) {
141	$exploded = explode( ':', $rule );
142	$rule = $exploded[0];
143	$options = explode( ',', end( $exploded ) );
144	return Rule_Map::resolve_rule_map( $rule, $options );
145	}
146
147	/**
148	* Get field value
149	*
150	* @param string $field
151	*
152	* @return mixed
153	*/
154	protected function get_field_value( string $field ) {
155	return $this->data[ $field ] ?? null;
156	}
157
158	/**
159	* Get field alias
160	*
161	* @param string $field
162	*
163	* @return mixed
164	*/
165	protected function get_field_alias( string $field ) {
166	return $this->aliases[ $field ] ?? $field;
167	}
168	}
169