Matthias Andreas Benkard | 7b2a3a1 | 2021-08-16 10:57:25 +0200 | [diff] [blame^] | 1 | <?php |
| 2 | |
| 3 | namespace LdapRecord\Query; |
| 4 | |
| 5 | use Psr\SimpleCache\CacheInterface; |
| 6 | |
| 7 | class ArrayCacheStore implements CacheInterface |
| 8 | { |
| 9 | use InteractsWithTime; |
| 10 | |
| 11 | /** |
| 12 | * An array of stored values. |
| 13 | * |
| 14 | * @var array |
| 15 | */ |
| 16 | protected $storage = []; |
| 17 | |
| 18 | /** |
| 19 | * @inheritdoc |
| 20 | */ |
| 21 | public function get($key, $default = null) |
| 22 | { |
| 23 | if (! isset($this->storage[$key])) { |
| 24 | return $default; |
| 25 | } |
| 26 | |
| 27 | $item = $this->storage[$key]; |
| 28 | |
| 29 | $expiresAt = $item['expiresAt'] ?? 0; |
| 30 | |
| 31 | if ($expiresAt !== 0 && $this->currentTime() > $expiresAt) { |
| 32 | $this->delete($key); |
| 33 | |
| 34 | return $default; |
| 35 | } |
| 36 | |
| 37 | return $item['value']; |
| 38 | } |
| 39 | |
| 40 | /** |
| 41 | * @inheritdoc |
| 42 | */ |
| 43 | public function set($key, $value, $ttl = null) |
| 44 | { |
| 45 | $this->storage[$key] = [ |
| 46 | 'value' => $value, |
| 47 | 'expiresAt' => $this->calculateExpiration($ttl), |
| 48 | ]; |
| 49 | |
| 50 | return true; |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Get the expiration time of the key. |
| 55 | * |
| 56 | * @param int $seconds |
| 57 | * |
| 58 | * @return int |
| 59 | */ |
| 60 | protected function calculateExpiration($seconds) |
| 61 | { |
| 62 | return $this->toTimestamp($seconds); |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Get the UNIX timestamp for the given number of seconds. |
| 67 | * |
| 68 | * @param int $seconds |
| 69 | * |
| 70 | * @return int |
| 71 | */ |
| 72 | protected function toTimestamp($seconds) |
| 73 | { |
| 74 | return $seconds > 0 ? $this->availableAt($seconds) : 0; |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * @inheritdoc |
| 79 | */ |
| 80 | public function delete($key) |
| 81 | { |
| 82 | unset($this->storage[$key]); |
| 83 | |
| 84 | return true; |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * @inheritdoc |
| 89 | */ |
| 90 | public function clear() |
| 91 | { |
| 92 | $this->storage = []; |
| 93 | |
| 94 | return true; |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * @inheritdoc |
| 99 | */ |
| 100 | public function getMultiple($keys, $default = null) |
| 101 | { |
| 102 | $values = []; |
| 103 | |
| 104 | foreach ($keys as $key) { |
| 105 | $values[$key] = $this->get($key, $default); |
| 106 | } |
| 107 | |
| 108 | return $values; |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * @inheritdoc |
| 113 | */ |
| 114 | public function setMultiple($values, $ttl = null) |
| 115 | { |
| 116 | foreach ($values as $key => $value) { |
| 117 | $this->set($key, $value, $ttl); |
| 118 | } |
| 119 | |
| 120 | return true; |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * @inheritdoc |
| 125 | */ |
| 126 | public function deleteMultiple($keys) |
| 127 | { |
| 128 | foreach ($keys as $key) { |
| 129 | $this->delete($key); |
| 130 | } |
| 131 | |
| 132 | return true; |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * @inheritdoc |
| 137 | */ |
| 138 | public function has($key) |
| 139 | { |
| 140 | return isset($this->storage[$key]); |
| 141 | } |
| 142 | } |