api.php in Timetics – Appointment Booking Calendar & Scheduling 1.0.23, at base/api.php

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1	<?php
2	/**
3	* Abstract api class
4	*
5	* @package Timetics
6	*/
7	namespace Timetics\Base;
8
9	use WP_Error;
10
11	/**
12	* Abstract class Api.
13	*
14	* @since 1.0.0
15	*/
16	abstract class Api extends \WP_REST_Controller {
17
18	/**
19	* Api Constructor function.
20	*
21	* @since 1.0.0
22	*
23	* @return void
24	*/
25	public function __construct() {
26	add_action( 'rest_api_init', [ $this, 'register_routes' ] );
27	}
28
29	/**
30	* Register routes
31	*
32	* @since 1.0.0
33	*
34	* @return void
35	*/
36	public function register_routes() {
37	// Need to override the function on child class.
38	}
39
40	/**
41	* Validate input fields.
42	*
43	* @since 1.0.0
44	*
45	* @param array $data Accepts data in array format.
46	* @param array $fields Optional. Default empty array.
47	*
48	* @return bool \| WP_error
49	*/
50	public function validate( $data, $fields = [] ) {
51	$error = new WP_Error();
52
53	foreach ( $fields as $field ) {
54	if ( empty( $data[ $field ] ) ) {
55	/* translators: Error Message */
56	$error->add( $field . '_error', sprintf( esc_html__( '%s can\'t be empty', 'timetics' ), $field ) );
57	}
58	}
59
60	if ( ! empty( $error->errors ) ) {
61	return $error;
62	}
63
64	return true;
65	}
66
67	}
68