RatePromise.php

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<?php
 
namespace Wikimedia\WRStats;
 
class RatePromise {
    private $reader;
    private $name;
    private $entity;
    private $metricSpec;
    private $seqSpec;
    private $range;
    private $total;
 
    public function __construct(
        WRStatsReader $reader,
        string $name,
        EntityKey $entity,
        MetricSpec $metricSpec,
        SequenceSpec $seqSpec,
        TimeRange $range
    ) {
        $this->reader = $reader;
        $this->name = $name;
        $this->entity = $entity;
        $this->metricSpec = $metricSpec;
        $this->seqSpec = $seqSpec;
        $this->range = $range;
    }
 
    public function total() {
        if ( $this->total === null ) {
            $this->total = $this->reader->internalGetCount(
                $this->name,
                $this->entity,
                $this->metricSpec,
                $this->seqSpec,
                $this->range
            );
        }
        return $this->total;
    }
 
    public function perSecond() {
        return $this->total() / $this->range->getDuration();
    }
 
    public function perMinute() {
        return $this->perSecond() * 60;
    }
 
    public function perHour() {
        return $this->perSecond() * 3600;
    }
 
    public function perDay() {
        return $this->perSecond() * 86400;
    }
}