|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace BenTools\MercurePHP\Storage\PHP; |
|
4
|
|
|
|
|
5
|
|
|
use BenTools\MercurePHP\Model\Message; |
|
6
|
|
|
use BenTools\MercurePHP\Model\Subscription; |
|
7
|
|
|
use BenTools\MercurePHP\Security\TopicMatcher; |
|
8
|
|
|
use BenTools\MercurePHP\Storage\StorageInterface; |
|
9
|
|
|
use React\Promise\PromiseInterface; |
|
10
|
|
|
|
|
11
|
|
|
use function React\Promise\resolve; |
|
12
|
|
|
|
|
13
|
|
|
final class PHPStorage implements StorageInterface |
|
14
|
|
|
{ |
|
15
|
|
|
private int $messagesMaxSize; |
|
16
|
|
|
private int $currentMessagesSize = 0; |
|
17
|
|
|
private array $messages = []; |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* @var Subscription[] |
|
21
|
|
|
*/ |
|
22
|
5 |
|
private array $subscriptions = []; |
|
23
|
|
|
private ?string $lastEventID = null; |
|
24
|
5 |
|
|
|
25
|
5 |
|
public function __construct(int $size) |
|
26
|
|
|
{ |
|
27
|
1 |
|
$this->messagesMaxSize = $size; |
|
28
|
|
|
} |
|
29
|
1 |
|
|
|
30
|
1 |
|
public function getLastEventID(): PromiseInterface |
|
31
|
|
|
{ |
|
32
|
|
|
return resolve($this->lastEventID); |
|
33
|
1 |
|
} |
|
34
|
|
|
|
|
35
|
|
|
public function retrieveMessagesAfterID(string $id, array $subscribedTopics): PromiseInterface |
|
36
|
4 |
|
{ |
|
37
|
|
|
if (self::EARLIEST === $id) { |
|
38
|
4 |
|
return resolve($this->getAllMessages($subscribedTopics)); |
|
39
|
1 |
|
} |
|
40
|
|
|
|
|
41
|
|
|
return resolve($this->getMessagesAfterId($id, $subscribedTopics)); |
|
42
|
3 |
|
} |
|
43
|
1 |
|
|
|
44
|
|
|
public function storeMessage(string $topic, Message $message): PromiseInterface |
|
45
|
3 |
|
{ |
|
46
|
3 |
|
if (0 === $this->messagesMaxSize) { |
|
47
|
|
|
return resolve(true); |
|
48
|
3 |
|
} |
|
49
|
|
|
|
|
50
|
|
|
if ($this->currentMessagesSize >= $this->messagesMaxSize) { |
|
51
|
1 |
|
\array_shift($this->messages); |
|
52
|
|
|
} |
|
53
|
1 |
|
$this->messages[] = [$topic, $message]; |
|
54
|
1 |
|
$this->currentMessagesSize++; |
|
55
|
1 |
|
$this->lastEventID = $message->getId(); |
|
56
|
1 |
|
|
|
57
|
1 |
|
return resolve(true); |
|
58
|
|
|
} |
|
59
|
1 |
|
|
|
60
|
1 |
|
public function storeSubscriptions(array $subscriptions): PromiseInterface |
|
61
|
|
|
{ |
|
62
|
1 |
|
foreach ($subscriptions as $subscription) { |
|
63
|
|
|
$this->subscriptions[] = $subscription; |
|
64
|
1 |
|
} |
|
65
|
|
|
|
|
66
|
1 |
|
return resolve(); |
|
67
|
|
|
} |
|
68
|
1 |
|
|
|
69
|
1 |
|
public function removeSubscriptions(iterable $subscriptions): PromiseInterface |
|
70
|
1 |
|
{ |
|
71
|
|
|
$subscriptions = \iterable_to_array($subscriptions); |
|
72
|
1 |
|
foreach ($subscriptions as $subscription) { |
|
73
|
|
|
foreach ($this->subscriptions as $key => $_subscription) { |
|
74
|
1 |
|
if ($_subscription->getId() === $subscription->getId()) { |
|
75
|
|
|
unset($this->subscriptions[$key]); |
|
76
|
|
|
} |
|
77
|
|
|
} |
|
78
|
|
|
} |
|
79
|
|
|
|
|
80
|
|
|
return resolve(); |
|
81
|
|
|
} |
|
82
|
|
|
|
|
83
|
|
|
public function findSubscriptions(?string $topic = null, ?string $subscriber = null): PromiseInterface |
|
84
|
|
|
{ |
|
85
|
|
|
return resolve($this->filterSubscriptions($topic, $subscriber)); |
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
|
|
private function filterSubscriptions(?string $topic, ?string $subscriber): iterable |
|
89
|
|
|
{ |
|
90
|
|
|
foreach ($this->subscriptions as $subscription) { |
|
91
|
|
|
$matchSubscriber = (null === $subscriber || $subscription->getSubscriber() === $subscriber); |
|
92
|
|
|
$matchTopic = (null === $topic || TopicMatcher::matchesTopicSelectors($subscription->getTopic(), [$topic])); |
|
93
|
|
|
if ($matchSubscriber && $matchTopic) { |
|
94
|
|
|
yield $subscription; |
|
95
|
|
|
} |
|
96
|
|
|
} |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
|
|
private function getMessagesAfterId(string $id, array $subscribedTopics): iterable |
|
100
|
|
|
{ |
|
101
|
|
|
$ignore = true; |
|
102
|
|
|
foreach ($this->messages as [$topic, $message]) { |
|
103
|
|
|
if ($message->getId() === $id) { |
|
104
|
|
|
$ignore = false; |
|
105
|
|
|
continue; |
|
106
|
|
|
} |
|
107
|
|
|
if ($ignore || !TopicMatcher::matchesTopicSelectors($topic, $subscribedTopics)) { |
|
108
|
|
|
continue; |
|
109
|
|
|
} |
|
110
|
|
|
yield $topic => $message; |
|
111
|
|
|
} |
|
112
|
|
|
} |
|
113
|
|
|
|
|
114
|
|
|
private function getAllMessages(array $subscribedTopics): iterable |
|
115
|
|
|
{ |
|
116
|
|
|
foreach ($this->messages as [$topic, $message]) { |
|
117
|
|
|
if (!TopicMatcher::matchesTopicSelectors($topic, $subscribedTopics)) { |
|
118
|
|
|
continue; |
|
119
|
|
|
} |
|
120
|
|
|
yield $topic => $message; |
|
121
|
|
|
} |
|
122
|
|
|
} |
|
123
|
|
|
} |
|
124
|
|
|
|
bpolaszek /
mercure-php-hub
