|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace BlueCache\Storage; |
|
4
|
|
|
|
|
5
|
|
|
use Psr\Cache\CacheItemInterface; |
|
6
|
|
|
use BlueCache\CacheException; |
|
7
|
|
|
|
|
8
|
|
|
class File implements StorageInterface |
|
9
|
|
|
{ |
|
10
|
|
|
const CACHE_EXTENSION = '.cache'; |
|
11
|
|
|
|
|
12
|
|
|
/** |
|
13
|
|
|
* @var array |
|
14
|
|
|
*/ |
|
15
|
|
|
protected $params = [ |
|
16
|
|
|
'cache_path' => './var/cache', |
|
17
|
|
|
]; |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* @var array |
|
21
|
|
|
*/ |
|
22
|
|
|
protected $currentCache = []; |
|
23
|
|
|
|
|
24
|
|
|
/** |
|
25
|
|
|
* @param array $params |
|
26
|
|
|
*/ |
|
27
|
39 |
|
public function __construct(array $params = []) |
|
28
|
|
|
{ |
|
29
|
39 |
|
$this->params = array_merge($this->params, $params); |
|
30
|
39 |
|
} |
|
31
|
|
|
|
|
32
|
|
|
/** |
|
33
|
|
|
* @param CacheItemInterface $item |
|
34
|
|
|
* @return bool |
|
35
|
|
|
* @throws \BlueCache\CacheException |
|
36
|
|
|
*/ |
|
37
|
30 |
|
public function store(CacheItemInterface $item) |
|
38
|
|
|
{ |
|
39
|
30 |
|
$data = serialize($item); |
|
40
|
30 |
|
$key = $item->getKey(); |
|
41
|
|
|
|
|
42
|
30 |
|
$cacheFile = $this->getFilePath($key); |
|
43
|
30 |
|
$dir = $this->params['cache_path']; |
|
44
|
|
|
|
|
45
|
30 |
|
if (!file_exists($dir) && !is_dir($dir)) { |
|
46
|
1 |
|
throw new CacheException('Unable to create cache directory: ' . $this->params['cache_path']); |
|
47
|
|
|
} |
|
48
|
|
|
|
|
49
|
29 |
|
if (!@file_put_contents($cacheFile, $data)) { |
|
50
|
3 |
|
throw new CacheException('Unable to save log file: ' . $cacheFile); |
|
51
|
|
|
} |
|
52
|
|
|
|
|
53
|
27 |
|
return true; |
|
54
|
|
|
} |
|
55
|
|
|
|
|
56
|
|
|
/** |
|
57
|
|
|
* @param array|string $names |
|
58
|
|
|
* @return array|null|CacheItemInterface |
|
59
|
|
|
*/ |
|
60
|
11 |
|
public function restore($names) |
|
61
|
|
|
{ |
|
62
|
11 |
|
if (\is_array($names)) { |
|
63
|
5 |
|
return $this->processNames($names); |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
6 |
|
return $this->getItem($names); |
|
67
|
|
|
} |
|
68
|
|
|
|
|
69
|
|
|
/** |
|
70
|
|
|
* @param array $names |
|
71
|
|
|
* @return array |
|
72
|
|
|
*/ |
|
73
|
5 |
|
protected function processNames(array $names) |
|
74
|
|
|
{ |
|
75
|
5 |
|
$list = []; |
|
76
|
|
|
|
|
77
|
5 |
|
foreach ($names as $name) { |
|
78
|
5 |
|
$list[$name] = $this->getItem($name); |
|
79
|
5 |
|
} |
|
80
|
|
|
|
|
81
|
5 |
|
return $list; |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
|
|
/** |
|
85
|
|
|
* @param string|null $names |
|
86
|
|
|
* @return bool |
|
87
|
|
|
* @throws \BlueCache\CacheException |
|
88
|
|
|
*/ |
|
89
|
6 |
|
public function clear($names = null) |
|
90
|
|
|
{ |
|
91
|
6 |
|
switch (true) { |
|
92
|
6 |
|
case \is_null($names): |
|
93
|
3 |
|
$cacheDir = $this->params['cache_path'] . DIRECTORY_SEPARATOR; |
|
94
|
3 |
|
$this->currentCache = []; |
|
95
|
|
|
|
|
96
|
3 |
|
return $this->clearMany(glob($cacheDir . '*.cache'), false); |
|
97
|
|
|
|
|
98
|
4 |
|
case \is_string($names): |
|
99
|
3 |
|
return $this->delete($names); |
|
100
|
|
|
|
|
101
|
1 |
|
default: |
|
102
|
1 |
|
throw new CacheException('Invalid type: ' . $names); |
|
103
|
|
|
break; |
|
104
|
1 |
|
} |
|
105
|
|
|
} |
|
106
|
|
|
|
|
107
|
|
|
/** |
|
108
|
|
|
* @param string $key |
|
109
|
|
|
* @return bool |
|
110
|
|
|
*/ |
|
111
|
27 |
|
public function exists($key) |
|
112
|
|
|
{ |
|
113
|
|
|
/** @var CacheItemInterface|null $item */ |
|
114
|
27 |
|
$item = $this->getCacheItem($key); |
|
115
|
|
|
|
|
116
|
27 |
|
if (\is_null($item)) { |
|
117
|
21 |
|
return false; |
|
118
|
|
|
} |
|
119
|
|
|
|
|
120
|
23 |
|
return $item->isHit(); |
|
121
|
|
|
} |
|
122
|
|
|
|
|
123
|
|
|
/** |
|
124
|
|
|
* @param string $key |
|
125
|
|
|
* @return CacheItemInterface|null |
|
126
|
|
|
*/ |
|
127
|
11 |
|
protected function getItem($key) |
|
128
|
|
|
{ |
|
129
|
11 |
|
if ($this->exists($key)) { |
|
130
|
9 |
|
return $this->currentCache[$key]; |
|
131
|
|
|
} |
|
132
|
|
|
|
|
133
|
2 |
|
return null; |
|
134
|
|
|
} |
|
135
|
|
|
|
|
136
|
|
|
/** |
|
137
|
|
|
* @param string $key |
|
138
|
|
|
* @return CacheItemInterface|null |
|
139
|
|
|
*/ |
|
140
|
27 |
|
protected function getCacheItem($key) |
|
141
|
|
|
{ |
|
142
|
27 |
|
if (!isset($this->currentCache[$key])) { |
|
143
|
27 |
|
if (file_exists($this->getFilePath($key))) { |
|
144
|
24 |
|
return $this->getUnserializedCacheItem($key); |
|
145
|
|
|
} |
|
146
|
|
|
|
|
147
|
20 |
|
return null; |
|
148
|
|
|
} |
|
149
|
|
|
|
|
150
|
6 |
|
return $this->currentCache[$key]; |
|
151
|
|
|
} |
|
152
|
|
|
|
|
153
|
|
|
/** |
|
154
|
|
|
* @param string $key |
|
155
|
|
|
* @return null|CacheItemInterface |
|
156
|
|
|
*/ |
|
157
|
24 |
|
protected function getUnserializedCacheItem($key) |
|
158
|
|
|
{ |
|
159
|
|
|
/** @var CacheItemInterface $item */ |
|
160
|
24 |
|
$item = unserialize($this->getCacheContent($key)); |
|
161
|
|
|
|
|
162
|
24 |
|
if (!$item->isHit()) { |
|
163
|
1 |
|
$this->delete($key); |
|
164
|
1 |
|
return null; |
|
165
|
|
|
} |
|
166
|
|
|
|
|
167
|
23 |
|
$this->currentCache[$key] = $item; |
|
168
|
23 |
|
return $item; |
|
169
|
|
|
} |
|
170
|
|
|
|
|
171
|
|
|
/** |
|
172
|
|
|
* @param string $key |
|
173
|
|
|
* @return bool|string |
|
174
|
|
|
*/ |
|
175
|
24 |
|
protected function getCacheContent($key) |
|
176
|
|
|
{ |
|
177
|
24 |
|
return file_get_contents($this->getFilePath($key)); |
|
178
|
|
|
} |
|
179
|
|
|
|
|
180
|
|
|
/** |
|
181
|
|
|
* @param array $list |
|
182
|
|
|
* @param bool $isKey |
|
183
|
|
|
* @return bool |
|
184
|
|
|
*/ |
|
185
|
7 |
|
public function clearMany(array $list, $isKey = true) |
|
186
|
|
|
{ |
|
187
|
7 |
|
$flag = true; |
|
188
|
|
|
|
|
189
|
7 |
|
foreach ($list as $name) { |
|
190
|
7 |
|
$deleted = $this->delete($name, $isKey); |
|
191
|
|
|
|
|
192
|
7 |
|
if (!$deleted) { |
|
193
|
1 |
|
$flag = false; |
|
194
|
1 |
|
} |
|
195
|
7 |
|
} |
|
196
|
|
|
|
|
197
|
7 |
|
return $flag; |
|
198
|
|
|
} |
|
199
|
|
|
|
|
200
|
|
|
/** |
|
201
|
|
|
* @param string $key |
|
202
|
|
|
* @param bool $isKey |
|
203
|
|
|
* @return bool |
|
204
|
|
|
*/ |
|
205
|
9 |
|
protected function delete($key, $isKey = true) |
|
206
|
|
|
{ |
|
207
|
9 |
|
if ($isKey) { |
|
208
|
7 |
|
unset($this->currentCache[$key]); |
|
209
|
7 |
|
$key = $this->getFilePath($key); |
|
210
|
7 |
|
} |
|
211
|
|
|
|
|
212
|
9 |
|
return @unlink($key); |
|
213
|
|
|
} |
|
214
|
|
|
|
|
215
|
|
|
/** |
|
216
|
|
|
* @param string $key |
|
217
|
|
|
* @return string |
|
218
|
|
|
*/ |
|
219
|
31 |
|
protected function getFilePath($key) |
|
220
|
|
|
{ |
|
221
|
31 |
|
return $this->params['cache_path'] . DIRECTORY_SEPARATOR . $key . self::CACHE_EXTENSION; |
|
222
|
|
|
} |
|
223
|
|
|
} |
|
224
|
|
|
|