comparison vendor/psy/psysh/src/Psy/VersionUpdater/IntervalChecker.php @ 0:4c8ae668cc8c

Initial import (non-working)
author Chris Cannam
date Wed, 29 Nov 2017 16:09:58 +0000
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children 7a779792577d
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-1:000000000000 0:4c8ae668cc8c
1 <?php
2
3 /*
4 * This file is part of Psy Shell.
5 *
6 * (c) 2012-2017 Justin Hileman
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12 namespace Psy\VersionUpdater;
13
14 use Psy\Shell;
15
16 class IntervalChecker extends GitHubChecker
17 {
18 private $cacheFile;
19 private $interval;
20
21 public function __construct($cacheFile, $interval)
22 {
23 $this->cacheFile = $cacheFile;
24 $this->interval = $interval;
25 }
26
27 public function fetchLatestRelease()
28 {
29 // Read the cached file
30 $cached = json_decode(@file_get_contents($this->cacheFile, false));
31 if ($cached && isset($cached->last_check) && isset($cached->release)) {
32 $now = new \DateTime();
33 $lastCheck = new \DateTime($cached->last_check);
34 if ($lastCheck >= $now->sub($this->getDateInterval())) {
35 return $cached->release;
36 }
37 }
38
39 // Fall back to fetching from GitHub
40 $release = parent::fetchLatestRelease();
41 if ($release && isset($release->tag_name)) {
42 $this->updateCache($release);
43 }
44
45 return $release;
46 }
47
48 private function getDateInterval()
49 {
50 switch ($this->interval) {
51 case Checker::DAILY:
52 return new \DateInterval('P1D');
53 case Checker::WEEKLY:
54 return new \DateInterval('P1W');
55 case Checker::MONTHLY:
56 return new \DateInterval('P1M');
57 }
58 }
59
60 private function updateCache($release)
61 {
62 $data = array(
63 'last_check' => date(DATE_ATOM),
64 'release' => $release,
65 );
66
67 file_put_contents($this->cacheFile, json_encode($data));
68 }
69 }