boxzilla / src / admin / class-migrations.php

class-migrations.php in Boxzilla – WordPress Popup Builder 3.2.13, at src/admin/class-migrations.php

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1	<?php
2
3	namespace Boxzilla\Admin;
4
5	use Exception;
6
7	/**
8	*
9	*/
10	class Migrations
11	{
12
13	/**
14	* @var float
15	*/
16	protected $version_from = 0;
17
18	/**
19	* @var float
20	*/
21	protected $version_to = 0;
22
23	/**
24	* @var string
25	*/
26	protected $migrations_dir = '';
27
28	/**
29	* @param float $from
30	* @param float $to
31	* @param string $migrations_dir
32	*/
33	public function __construct($from, $to, $migrations_dir)
34	{
35	$this->version_from = $from;
36	$this->version_to = $to;
37	$this->migrations_dir = $migrations_dir;
38	}
39
40	/**
41	* Run the various upgrade routines, all the way up to the latest version
42	*/
43	public function run()
44	{
45	$migrations = $this->find_migrations();
46	// run in sub-function for scope
47	array_map(array( $this, 'run_migration' ), $migrations);
48	}
49
50	/**
51	* @return array
52	*/
53	public function find_migrations()
54	{
55	$files = glob(rtrim($this->migrations_dir, '/') . '/*.php');
56	$migrations = array();
57
58	// return empty array when glob returns non-array value.
59	if (! is_array($files)) {
60	return $migrations;
61	}
62
63	foreach ($files as $file) {
64	$migration = basename($file);
65	$parts = explode('-', $migration);
66	$version = $parts[0];
67
68	// check if migration file is not for an even higher version
69	if (version_compare($version, $this->version_to, '>')) {
70	continue;
71	}
72
73	// check if we ran migration file before.
74	if (version_compare($this->version_from, $version, '>=')) {
75	continue;
76	}
77
78	// schedule migration file for running
79	$migrations[] = $file;
80	}
81
82	return $migrations;
83	}
84
85	/**
86	* Include a migration file and runs it.
87	*
88	* @param string $file
89	*
90	* @throws Exception
91	*/
92	protected function run_migration($file)
93	{
94	if (! file_exists($file)) {
95	throw new Exception("Migration file $file does not exist.");
96	}
97
98	include $file;
99	}
100	}
101