/**
  * Increases the not delivered stat.
  *
  * @param string $info
  *
  * @throws NonExistentIdInternalException
  */
 public function increase($info)
 {
     $result = $this->connectToStorageInternalWorker->connect()->update(array('id' => $info), array('$inc' => array('notDelivered' => 1)));
     if ($result['n'] == 0) {
         throw new NonExistentIdInternalException();
     }
 }
 /**
  * @param string  $topic
  * @param string  $from
  * @param string  $to
  * @param int     $group
  *
  * @return int[]
  *
  * @throws InvalidGroupApiException
  */
 public function compute($topic, $from, $to, $group)
 {
     switch ($group) {
         case self::GROUP_BY_DAY:
             $timestamp = ['year' => ['$year' => '$timestamp'], 'month' => ['$month' => '$timestamp'], 'day' => ['$dayOfMonth' => '$timestamp']];
             break;
         case self::GROUP_BY_MONTH:
             $timestamp = ['year' => ['$year' => '$timestamp'], 'month' => ['$month' => '$timestamp']];
             break;
         case self::GROUP_BY_YEAR:
             $timestamp = ['year' => ['$year' => '$timestamp']];
             break;
         default:
             throw new InvalidGroupApiException();
     }
     $response = $this->connectToOperationStorageInternalWorker->connect()->aggregate([['$match' => ['topics' => $topic, 'timestamp' => ['$gte' => new \MongoDate($from), '$lte' => new \MongoDate($to)]]], ['$group' => ['_id' => ['timestamp' => $timestamp], 'total' => ['$sum' => 1]]], ['$sort' => ['_id' => 1]]]);
     $stats = [];
     foreach ($response['result'] as $item) {
         switch ($group) {
             case self::GROUP_BY_DAY:
                 $stats[] = ['total' => $item['total'], 'year' => $item['_id']['timestamp']['year'], 'month' => $item['_id']['timestamp']['month'], 'day' => $item['_id']['timestamp']['day']];
                 break;
             case self::GROUP_BY_MONTH:
                 $stats[] = ['total' => $item['total'], 'year' => $item['_id']['timestamp']['year'], 'month' => $item['_id']['timestamp']['month']];
                 break;
             case self::GROUP_BY_YEAR:
                 $stats[] = ['total' => $item['total'], 'year' => $item['_id']['timestamp']['year']];
                 break;
             default:
                 throw new InvalidGroupApiException();
         }
     }
     return $stats;
 }
 /**
  * Collects latest stats grouped by topic.
  */
 public function collect()
 {
     $topics = $this->collectTopicsApiWorker->collect();
     $stats = [];
     foreach ($topics as $topic) {
         $stats = array_merge($stats, iterator_to_array($this->connectToStorageInternalWorker->connect()->find(['topics' => $topic['id']])->fields(['_id' => 0])->sort(['_id' => -1])->limit(5)));
     }
     return $stats;
 }
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 /**
  * Collects stats.
  *
  * @return \Iterator
  */
 public function collect()
 {
     $cursor = $this->connectToStatStorageInternalWorker->connect()->find()->fields(['_id' => 0])->sort(['_id' => -1]);
     $stats = [];
     foreach ($cursor as $i => $stat) {
         /** @var \MongoDate $timestamp */
         $timestamp = $stat['timestamp'];
         $stat['timestamp'] = $timestamp->sec;
         $stats[] = $stat;
     }
     return new \ArrayIterator($stats);
 }
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 /**
  * Creates the stat for given info.
  *
  * @param array  $info
  * @param string $total
  * @param int    $timestamp
  */
 public function create($info, $total, $timestamp)
 {
     $this->connectToStorageInternalWorker->connect()->insert(['id' => $info['id'], 'body' => $info['body'], 'topics' => $info['topics'], 'timestamp' => new \MongoDate($timestamp), 'total' => $total, 'delivered' => 0, 'notDelivered' => 0]);
 }