|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace SilverStripe\i18n\Messages\Symfony; |
|
4
|
|
|
|
|
5
|
|
|
use SilverStripe\Core\Flushable; |
|
6
|
|
|
use Symfony\Component\Config\Resource\DirectoryResource; |
|
7
|
|
|
use Symfony\Component\Config\Resource\SelfCheckingResourceInterface; |
|
8
|
|
|
|
|
9
|
|
|
/** |
|
10
|
|
|
* Some arbitrary resource which expires when flush is invoked. |
|
11
|
|
|
* Uses a canary file to mark future freshness requests as stale. |
|
12
|
|
|
* |
|
13
|
|
|
* @link https://media.giphy.com/media/fRRD3T37DeY6Y/giphy.gif for use case |
|
14
|
|
|
* @see DirectoryResource |
|
15
|
|
|
*/ |
|
16
|
|
|
class FlushInvalidatedResource implements SelfCheckingResourceInterface, \Serializable, Flushable |
|
17
|
|
|
{ |
|
18
|
|
|
|
|
19
|
|
|
public function __toString() |
|
20
|
|
|
{ |
|
21
|
|
|
return md5(__CLASS__); |
|
22
|
|
|
} |
|
23
|
|
|
|
|
24
|
|
|
public function getResource() |
|
25
|
|
|
{ |
|
26
|
|
|
// @deprecated at 3.0, do nothing |
|
27
|
|
|
return null; |
|
28
|
|
|
} |
|
29
|
|
|
|
|
30
|
|
|
public function isFresh($timestamp) |
|
31
|
|
|
{ |
|
32
|
|
|
// Check mtime of canary |
|
33
|
|
|
$canary = static::canary(); |
|
34
|
|
|
if (file_exists($canary)) { |
|
35
|
|
|
return filemtime($canary) < $timestamp; |
|
36
|
|
|
} |
|
37
|
|
|
|
|
38
|
|
|
// Rebuild canary |
|
39
|
|
|
static::touch(); |
|
40
|
|
|
return false; |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
|
|
public function __serialize(): array |
|
44
|
|
|
{ |
|
45
|
|
|
return []; |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
|
|
public function __unserialize(array $data): void |
|
49
|
|
|
{ |
|
50
|
|
|
// no-op |
|
51
|
|
|
} |
|
52
|
|
|
|
|
53
|
|
|
/** |
|
54
|
|
|
* The __serialize() magic method will be automatically used instead of this |
|
55
|
|
|
* |
|
56
|
|
|
* @return string |
|
57
|
|
|
* @deprecated will be removed in 5.0 |
|
58
|
|
|
*/ |
|
59
|
|
|
public function serialize() |
|
60
|
|
|
{ |
|
61
|
|
|
return ''; |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
/** |
|
65
|
|
|
* The __unserialize() magic method will be automatically used instead of this almost all the time |
|
66
|
|
|
* This method will be automatically used if existing serialized data was not saved as an associative array |
|
67
|
|
|
* and the PHP version used in less than PHP 9.0 |
|
68
|
|
|
* |
|
69
|
|
|
* @param string $serialized |
|
70
|
|
|
* @deprecated will be removed in 5.0 |
|
71
|
|
|
*/ |
|
72
|
|
|
public function unserialize($serialized) |
|
73
|
|
|
{ |
|
74
|
|
|
// no-op |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
public static function flush() |
|
78
|
|
|
{ |
|
79
|
|
|
// Mark canary as dirty |
|
80
|
|
|
static::touch(); |
|
81
|
|
|
} |
|
82
|
|
|
|
|
83
|
|
|
/** |
|
84
|
|
|
* Path to i18n canary |
|
85
|
|
|
* |
|
86
|
|
|
* @return string |
|
87
|
|
|
*/ |
|
88
|
|
|
protected static function canary() |
|
89
|
|
|
{ |
|
90
|
|
|
return TEMP_PATH . DIRECTORY_SEPARATOR . 'catalog.i18n_canary'; |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
|
|
/** |
|
94
|
|
|
* Touch the canary |
|
95
|
|
|
*/ |
|
96
|
|
|
protected static function touch() |
|
97
|
|
|
{ |
|
98
|
|
|
touch(static::canary()); |
|
99
|
|
|
} |
|
100
|
|
|
} |
|
101
|
|
|
|
silverstripe /
silverstripe-framework
