1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Feed\PubSubHubbub\Model;
use DateInterval;
use DateTime;
use Zend\Feed\PubSubHubbub;
class Subscription extends AbstractModel implements SubscriptionPersistenceInterface
{
/**
* Common DateTime object to assist with unit testing
*
* @var DateTime
*/
protected $now;
/**
* Save subscription to RDMBS
*
* @param array $data
* @return bool
* @throws PubSubHubbub\Exception\InvalidArgumentException
*/
public function setSubscription(array $data)
{
if (! isset($data['id'])) {
throw new PubSubHubbub\Exception\InvalidArgumentException(
'ID must be set before attempting a save'
);
}
$result = $this->db->select(['id' => $data['id']]);
if ($result && (0 < count($result))) {
$data['created_time'] = $result->current()->created_time;
$now = $this->getNow();
if (array_key_exists('lease_seconds', $data)
&& $data['lease_seconds']
) {
$data['expiration_time'] = $now->add(new DateInterval('PT' . $data['lease_seconds'] . 'S'))
->format('Y-m-d H:i:s');
}
$this->db->update(
$data,
['id' => $data['id']]
);
return false;
}
$this->db->insert($data);
return true;
}
/**
* Get subscription by ID/key
*
* @param string $key
* @return array
* @throws PubSubHubbub\Exception\InvalidArgumentException
*/
public function getSubscription($key)
{
if (empty($key) || ! is_string($key)) {
throw new PubSubHubbub\Exception\InvalidArgumentException('Invalid parameter "key"'
.' of "' . $key . '" must be a non-empty string');
}
$result = $this->db->select(['id' => $key]);
if ($result && count($result)) {
return $result->current()->getArrayCopy();
}
return false;
}
/**
* Determine if a subscription matching the key exists
*
* @param string $key
* @return bool
* @throws PubSubHubbub\Exception\InvalidArgumentException
*/
public function hasSubscription($key)
{
if (empty($key) || ! is_string($key)) {
throw new PubSubHubbub\Exception\InvalidArgumentException('Invalid parameter "key"'
.' of "' . $key . '" must be a non-empty string');
}
$result = $this->db->select(['id' => $key]);
if ($result && count($result)) {
return true;
}
return false;
}
/**
* Delete a subscription
*
* @param string $key
* @return bool
*/
public function deleteSubscription($key)
{
$result = $this->db->select(['id' => $key]);
if ($result && count($result)) {
$this->db->delete(
['id' => $key]
);
return true;
}
return false;
}
/**
* Get a new DateTime or the one injected for testing
*
* @return DateTime
*/
public function getNow()
{
if (null === $this->now) {
return new DateTime();
}
return $this->now;
}
/**
* Set a DateTime instance for assisting with unit testing
*
* @param DateTime $now
* @return Subscription
*/
public function setNow(DateTime $now)
{
$this->now = $now;
return $this;
}
}