1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Jalle19\StatusManager\Subscription; |
4
|
|
|
|
5
|
|
|
use Jalle19\tvheadend\model\comet\LogMessageNotification; |
6
|
|
|
|
7
|
|
|
/** |
8
|
|
|
* Helper for parsing subscription state changes from raw log messages |
9
|
|
|
* |
10
|
|
|
* @package Jalle19\StatusManager\Subscription |
11
|
|
|
* @copyright Copyright © Sam Stenvall 2016- |
12
|
|
|
* @license https://www.gnu.org/licenses/gpl.html The GNU General Public License v2.0 |
13
|
|
|
*/ |
14
|
|
|
class StateChangeParser |
15
|
|
|
{ |
16
|
|
|
|
17
|
|
|
/** |
18
|
|
|
* Parses the specified log message notifications into state change objects |
19
|
|
|
* |
20
|
|
|
* @param LogMessageNotification[] $logMessages |
21
|
|
|
* |
22
|
|
|
* @return StateChange[] eventual state changes parsed |
23
|
|
|
*/ |
24
|
2 |
|
public static function parseStateChanges(array $logMessages) |
25
|
|
|
{ |
26
|
2 |
|
$stateChanges = []; |
27
|
|
|
|
28
|
2 |
|
foreach ($logMessages as $logMessage) |
29
|
|
|
{ |
30
|
2 |
|
$stateChange = self::parseMessage($logMessage->logtxt); |
31
|
|
|
|
32
|
2 |
|
if ($stateChange !== null) |
33
|
2 |
|
$stateChanges[] = $stateChange; |
34
|
|
|
} |
35
|
|
|
|
36
|
2 |
|
return $stateChanges; |
37
|
|
|
} |
38
|
|
|
|
39
|
|
|
|
40
|
|
|
/** |
41
|
|
|
* Attempts to parse the specified log message into a state change object |
42
|
|
|
* |
43
|
|
|
* @param string $message |
44
|
|
|
* |
45
|
|
|
* @return StateChange|null |
46
|
|
|
*/ |
47
|
2 |
|
private static function parseMessage($message) |
48
|
|
|
{ |
49
|
2 |
|
$messageParts = explode(' ', $message); |
50
|
|
|
|
51
|
|
|
// Check if we're dealing with subscription notifications |
52
|
2 |
|
if (strpos($message, 'subscription') !== false) |
53
|
|
|
{ |
54
|
2 |
|
$stateChange = new StateChange(self::getSubscriptionId($messageParts[3])); |
55
|
|
|
|
56
|
|
|
// Check the state |
57
|
2 |
|
if (strpos($message, 'subscribing on channel') !== false) |
58
|
1 |
|
$stateChange->setState(StateChange::STATE_SUBSCRIPTION_STARTED); |
59
|
1 |
|
elseif (strpos($message, 'unsubscribing from')) |
60
|
1 |
|
$stateChange->setState(StateChange::STATE_SUBSCRIPTION_STOPPED); |
61
|
|
|
|
62
|
2 |
|
return $stateChange; |
63
|
|
|
} |
64
|
|
|
|
65
|
|
|
return null; |
66
|
|
|
} |
67
|
|
|
|
68
|
|
|
|
69
|
|
|
/** |
70
|
|
|
* Parses the specified partial log message into a decimal subscription ID |
71
|
|
|
* |
72
|
|
|
* @param string $messagePart |
73
|
|
|
* |
74
|
|
|
* @return int |
75
|
|
|
*/ |
76
|
2 |
|
private static function getSubscriptionId($messagePart) |
77
|
|
|
{ |
78
|
2 |
|
return hexdec(substr($messagePart, 0, strlen($messagePart) - 1)); |
79
|
|
|
} |
80
|
|
|
|
81
|
|
|
} |
82
|
|
|
|