sequra / src / Repositories / Migrations / class-migration.php

class-migration.php in seQura 4.3.3, at src/Repositories/Migrations/class-migration.php

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1	<?php
2	/**
3	* Database migration interface
4	*
5	* @package SeQura/WC
6	* @subpackage SeQura/WC/Repositories/Migrations
7	*/
8
9	namespace SeQura\WC\Repositories\Migrations;
10
11	use SeQura\WC\Repositories\Interface_Cache_Repository;
12	use SeQura\WC\Repositories\Repository;
13
14	/**
15	* Database migration interface
16	*/
17	abstract class Migration {
18
19	/**
20	* Database session object.
21	*
22	* @var \wpdb
23	*/
24	protected $db;
25
26	/**
27	* Cache repository.
28	*
29	* @var Interface_Cache_Repository
30	*/
31	protected $cache;
32
33	/**
34	* Constructor
35	*
36	* @param \wpdb $wpdb Database instance.
37	* @param Interface_Cache_Repository $cache Cache repository.
38	*/
39	public function __construct( \wpdb $wpdb, Interface_Cache_Repository $cache ) {
40	$this->db = $wpdb;
41	$this->cache = $cache;
42	}
43
44	/**
45	* Get the plugin version when the changes were made.
46	*/
47	abstract public function get_version(): string;
48
49	/**
50	* Run the migration with the repository cache temporarily disabled.
51	*
52	* Migrations mix raw SQL operations (which bypass the Repository cache) with
53	* AdminAPI saves (which go through the cached Repository). Disabling the cache
54	* prevents stale cached reads from interfering with the migration process.
55	*
56	* @throws \Throwable
57	*/
58	final public function run(): void {
59	\add_filter( 'sequra_cache_enabled', array( $this, 'sequra_cache_enabled_callback' ), 999 );
60	Repository::$cache_enabled = null;
61
62	try {
63	$this->execute();
64	} finally {
65	\remove_filter( 'sequra_cache_enabled', array( $this, 'sequra_cache_enabled_callback' ), 999 );
66	Repository::$cache_enabled = null;
67	// Flush caches so the plugin reads fresh data after the migration.
68	$this->cache->flush();
69	}
70	}
71
72	/**
73	* Disable the cache
74	*
75	* @return bool
76	*/
77	public function sequra_cache_enabled_callback(): bool {
78	return false;
79	}
80
81	/**
82	* Execute the migration logic.
83	*
84	* @throws \Throwable
85	*/
86	abstract protected function execute(): void;
87	}
88