tier-pricing-table / src / Core / ServiceContainer.php

ServiceContainer.php in Tiered Pricing Table for WooCommerce trunk, at src/Core/ServiceContainer.php

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1	<?php namespace TierPricingTable\Core;
2
3	use Exception;
4	use TierPricingTable\Admin\Notifications\Notifications;
5	use TierPricingTable\Admin\Tips\TipsManager;
6	use TierPricingTable\Settings\Settings;
7
8	class ServiceContainer {
9
10	private $services = array();
11
12	private static $instance;
13
14	private function __construct() {}
15
16	public static function getInstance(): self {
17	if ( is_null( self::$instance ) ) {
18	self::$instance = new self();
19	}
20
21	return self::$instance;
22	}
23
24	public function add( $name, $instance ) {
25	$this->services[ $name ] = $instance;
26	}
27
28	public function initService( $className, $dependencies = [] ) {
29
30	$className = apply_filters( 'tiered_pricing_table/container/service_instance', $className );
31
32	$this->add( $className, new $className( ...$dependencies ) );
33	}
34
35	/**
36	* Get service
37	*
38	* @param $name
39	*
40	* @return mixed
41	* @throws Exception
42	*/
43	public function get( $name ) {
44	if ( ! empty( $this->services[ $name ] ) ) {
45	return $this->services[ $name ];
46	}
47
48	throw new Exception( 'Undefined service' );
49	}
50
51	/**
52	* Get fileManager
53	*
54	* @return FileManager
55	*/
56	public function getFileManager(): ?FileManager {
57	try {
58	return $this->get( 'fileManager' );
59	} catch ( Exception $e ) {
60	return null;
61	}
62	}
63
64	/**
65	* Get Settings
66	*
67	* @return Settings
68	*/
69	public function getSettings(): ?Settings {
70	try {
71	return $this->get( 'settings' );
72	} catch ( Exception $e ) {
73	return null;
74	}
75	}
76
77	/**
78	* Get AdminNotifier
79	*
80	* @return AdminNotifier
81	*/
82	public function getAdminNotifier(): ?AdminNotifier {
83	try {
84	return $this->get( 'adminNotifier' );
85	} catch ( Exception $e ) {
86	return null;
87	}
88	}
89
90	/**
91	* Get Cache
92	*
93	* @return Cache
94	*/
95	public function getCache(): ?Cache {
96	try {
97	return $this->get( 'cache' );
98	} catch ( Exception $e ) {
99	return null;
100	}
101	}
102
103	public function getNotificationManager(): ?Notifications {
104	try {
105	return $this->get( Notifications::class );
106	} catch ( Exception $e ) {
107	return null;
108	}
109	}
110	}
111