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<?php |
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namespace MS\Sentry\Monitor\Service\Diagram; |
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use Doctrine\DBAL\Connection; |
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class SequenceProvider |
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{ |
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/** |
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* @var Connection |
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*/ |
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private $connection; |
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/** |
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* @param Connection $connection |
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*/ |
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public function __construct(Connection $connection) |
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{ |
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$this->connection = $connection; |
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} |
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/** |
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* @param array $projects |
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* @param string $days |
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* @param string $scale |
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* |
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* @return array |
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*/ |
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public function getSequences(array $projects, $days, $scale) |
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{ |
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if (false === filter_var($days, FILTER_VALIDATE_INT)) { |
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throw new \InvalidArgumentException(sprintf('The days parameter "%s" should be an integer', $days)); |
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} |
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if (false === in_array($scale, ['day', 'hour'])) { |
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throw new \InvalidArgumentException(sprintf('The scale parameter "%s" should be "hour" or "day"', $scale)); |
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} |
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$data = []; |
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$datetimeFormat = $this->getDatetimeFormat($scale); |
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$points = $this->getZeroSizedPoints($days, $scale); |
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foreach ($projects as $project) { |
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$data[] = [ |
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'label' => $project, |
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'data' => $this->getFilledPoints($points, $datetimeFormat, $project) |
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]; |
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} |
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return $data; |
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} |
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/** |
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* @param string $days |
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* @param string $scale |
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* |
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* @return array |
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*/ |
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private function getZeroSizedPoints($days, $scale) |
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{ |
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$lastPoint = mktime(date('H'), 0, 0); |
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$step = 3600; |
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if ('day' === $scale) { |
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$lastPoint = mktime(0, 0, 0); |
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$step = $step * 24; |
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} |
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$firstPoint = strtotime(sprintf('-%s day', $days), $lastPoint); |
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$points = []; |
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foreach (range($firstPoint, $lastPoint, $step) as $point) { |
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$points[] = [ |
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$point * 1000, |
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0 |
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]; |
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} |
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return $points; |
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} |
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/** |
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* @param string $scale |
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* |
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* @return string |
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*/ |
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private function getDatetimeFormat($scale) |
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{ |
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$datetimeFormat = '%Y-%m-%d %H:00:00'; |
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if ('day' === $scale) { |
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$datetimeFormat = '%Y-%m-%d 00:00:00'; |
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} |
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return $datetimeFormat; |
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} |
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/** |
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* @param array $points |
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* @param string $datetimeFormat |
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* @param string $project |
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* |
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* @return array |
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*/ |
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private function getFilledPoints(array $points, $datetimeFormat, $project) |
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{ |
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$events = $this->connection->fetchAll( |
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'SELECT strftime(?, created) as hour, COUNT(*) as count FROM events WHERE project = ? GROUP BY hour ORDER BY hour DESC', |
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[$datetimeFormat, $project] |
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); |
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foreach ($events as $event) { |
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$timestamp = strtotime($event['hour']) * 1000; |
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$key = array_search($timestamp, array_column($points, 0)); |
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if (false === $key) { |
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break; |
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} |
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$points[$key] = [ |
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$timestamp, |
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$event['count'] |
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]; |
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} |
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return $points; |
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} |
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} |
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mi-schi /
sentry-monitor
