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<?php |
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namespace Jalle19\StatusManager\Subscription; |
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use Jalle19\tvheadend\model\comet\LogMessageNotification; |
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/** |
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* Helper for parsing subscription state changes from raw log messages |
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* |
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* @package Jalle19\StatusManager\Subscription |
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* @copyright Copyright © Sam Stenvall 2016- |
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* @license https://www.gnu.org/licenses/gpl.html The GNU General Public License v2.0 |
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*/ |
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class StateChangeParser |
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{ |
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/** |
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* Parses the specified log message notifications into state change objects |
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* |
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* @param LogMessageNotification[] $logMessages |
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* |
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* @return StateChange[] eventual state changes parsed |
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*/ |
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public static function parseStateChanges(array $logMessages) |
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{ |
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$stateChanges = []; |
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foreach ($logMessages as $logMessage) |
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{ |
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$stateChange = self::parseMessage($logMessage->logtxt); |
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if ($stateChange !== null) |
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$stateChanges[] = $stateChange; |
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} |
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return $stateChanges; |
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} |
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/** |
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* Attempts to parse the specified log message into a state change object |
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* |
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* @param string $message |
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* |
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* @return StateChange|null |
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*/ |
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private static function parseMessage($message) |
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{ |
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$messageParts = explode(' ', $message); |
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// Check if we're dealing with subscription notifications |
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if (strpos($message, 'subscription') !== false) |
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{ |
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$stateChange = new StateChange(self::getSubscriptionId($messageParts[3])); |
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// Check the state |
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if (strpos($message, 'subscribing on channel') !== false) |
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$stateChange->setState(StateChange::STATE_SUBSCRIPTION_STARTED); |
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elseif (strpos($message, 'unsubscribing from')) |
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$stateChange->setState(StateChange::STATE_SUBSCRIPTION_STOPPED); |
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return $stateChange; |
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} |
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return null; |
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} |
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/** |
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* Parses the specified partial log message into a decimal subscription ID |
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* |
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* @param string $messagePart |
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* |
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* @return int |
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*/ |
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private static function getSubscriptionId($messagePart) |
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{ |
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return hexdec(substr($messagePart, 0, strlen($messagePart) - 1)); |
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} |
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} |
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Jalle19 /
tvheadend-status-manager
