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<?php
/**
* Matomo - free/libre analytics platform
*
* @link https://matomo.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
namespace Piwik\Plugin;
use Piwik\Archive\DataTableFactory;
use Piwik\Columns\Dimension;
use Piwik\Columns\MetricsList;
use Piwik\Common;
use Piwik\DataTable;
use Piwik\DataTable\Row;
use Piwik\Metrics\Formatter;
use Piwik\Piwik;
class ComputedMetric extends ProcessedMetric
{
const AGGREGATION_AVG = 'avg';
const AGGREGATION_RATE = 'rate';
/**
* @var string
*/
private $aggregation;
/**
* @var int
*/
protected $idSite;
private $name = '';
private $type = '';
private $translatedName = '';
private $documentation = '';
private $metric1 = '';
private $metric2 = '';
private $category = '';
private $metricsList;
public function __construct($metric1, $metric2, $aggregation = 'avg')
{
$nameShort1 = str_replace(array('nb_'), '', $metric1);
$nameShort2 = str_replace(array('nb_'), '', $metric2);
if ($aggregation === ComputedMetric::AGGREGATION_AVG) {
$this->name = 'avg_' . $nameShort1 . '_per_' . $nameShort2;
} elseif ($aggregation === ComputedMetric::AGGREGATION_RATE) {
$this->name = $nameShort1 . '_' . $nameShort2 . '_rate';
} else {
throw new \Exception('Not supported aggregation type');
}
$this->setMetric1($metric1);
$this->setMetric2($metric2);
$this->aggregation = $aggregation;
}
public function getDependentMetrics()
{
return array($this->metric1, $this->metric2);
}
public function setCategory($category)
{
$this->category = $category;
return $this;
}
public function getCategoryId()
{
return $this->category;
}
public function setMetric1($metric1)
{
$this->metric1 = $metric1;
return $this;
}
public function setMetric2($metric2)
{
$this->metric2 = $metric2;
return $this;
}
public function setDocumentation($documentation)
{
$this->documentation = $documentation;
return $this;
}
public function setTranslatedName($name)
{
$this->translatedName = $name;
return $this;
}
public function setType($type)
{
$this->type = $type;
return $this;
}
public function setName($name)
{
$this->name = $name;
return $this;
}
public function getName()
{
return $this->name;
}
public function compute(Row $row)
{
$metric1 = $this->getMetric($row, $this->metric1);
$metric2 = $this->getMetric($row, $this->metric2);
$precision = 2;
if ($this->aggregation === self::AGGREGATION_RATE) {
$precision = 3;
}
return Piwik::getQuotientSafe($metric1, $metric2, $precision);
}
private function getDetectedType()
{
if (!$this->type) {
if ($this->aggregation === self::AGGREGATION_RATE) {
$this->type = Dimension::TYPE_PERCENT;
} else {
$this->type = Dimension::TYPE_NUMBER; // default to number
$metric1 = $this->getMetricsList()->getMetric($this->metric1);
if ($metric1) {
$dimension = $metric1->getDimension();
if ($dimension) {
$this->type = $dimension->getType();
}
}
}
}
return $this->type;
}
public function format($value, Formatter $formatter)
{
if ($this->aggregation === self::AGGREGATION_RATE) {
return $formatter->getPrettyPercentFromQuotient($value);
}
$type = $this->getDetectedType();
switch ($type) {
case Dimension::TYPE_MONEY:
return $formatter->getPrettyMoney($value, $this->idSite);
case Dimension::TYPE_FLOAT:
return $formatter->getPrettyNumber($value, $precision = 2);
case Dimension::TYPE_NUMBER:
return $formatter->getPrettyNumber($value, 1); // we still need to round to have somewhat more accurate result
case Dimension::TYPE_DURATION_S:
return $formatter->getPrettyTimeFromSeconds(round($value), $displayAsSentence = true);
case Dimension::TYPE_DURATION_MS:
$val = number_format($value / 1000, 2);
if ($val > 60) {
$val = round($val);
}
return $formatter->getPrettyTimeFromSeconds($val, $displayAsSentence = true);
case Dimension::TYPE_PERCENT:
return $formatter->getPrettyPercentFromQuotient($value);
case Dimension::TYPE_BYTE:
return $formatter->getPrettySizeFromBytes($value);
}
return $value;
}
public function getTranslatedName()
{
if (!$this->translatedName) {
$metric = $this->getMetricsList();
$metric1 = $metric->getMetric($this->metric1);
$metric2 = $metric->getMetric($this->metric2);
if ($this->aggregation === self::AGGREGATION_AVG) {
if ($metric1 && $metric1 instanceof ArchivedMetric && $metric2 && $metric2 instanceof ArchivedMetric) {
$metric1Name = $metric1->getDimension()->getName();
$metric2Name = $metric2->getDimension()->getName();
return Piwik::translate('General_ComputedMetricAverage', array($metric1Name, $metric2Name));
}
if ($metric1 && $metric1 instanceof ArchivedMetric) {
$metric1Name = $metric1->getDimension()->getName();
return Piwik::translate('General_AverageX', array($metric1Name));
}
if ($metric1 && $metric2) {
return $metric1->getTranslatedName() . ' per ' . $metric2->getTranslatedName();
}
return $this->metric1 . ' per ' . $this->metric2;
} else if ($this->aggregation === self::AGGREGATION_RATE) {
if ($metric1 && $metric1 instanceof ArchivedMetric) {
return Piwik::translate('General_ComputedMetricRate', array($metric1->getTranslatedName()));
} else {
return Piwik::translate('General_ComputedMetricRate', array($this->metric1));
}
}
}
return $this->translatedName;
}
public function getDocumentation()
{
if (!$this->documentation) {
$metric = $this->getMetricsList();
$metric1 = $metric->getMetric($this->metric1);
$metric2 = $metric->getMetric($this->metric2);
if ($this->aggregation === self::AGGREGATION_AVG) {
if ($metric1 && $metric1 instanceof ArchivedMetric && $metric2 && $metric2 instanceof ArchivedMetric) {
return Piwik::translate('General_ComputedMetricAverageDocumentation', array($metric1->getDimension()->getName(), $metric2->getTranslatedName()));
}
if ($metric1 && $metric1 instanceof ArchivedMetric) {
return Piwik::translate('General_ComputedMetricAverageShortDocumentation', array($metric1->getDimension()->getName()));
}
return Piwik::translate('General_ComputedMetricAverageDocumentation', array($this->metric1, $this->metric2));
} else if ($this->aggregation === self::AGGREGATION_RATE) {
if ($metric1 && $metric1 instanceof ArchivedMetric) {
return Piwik::translate('General_ComputedMetricRateDocumentation', array($metric1->getDimension()->getNamePlural(), $metric2->getDimension()->getNamePlural()));
} else {
return Piwik::translate('General_ComputedMetricRateShortDocumentation', array($this->metric1));
}
}
}
return $this->documentation;
}
private function getMetricsList()
{
if (!$this->metricsList) {
$this->metricsList = MetricsList::get();
}
return $this->metricsList;
}
public function beforeFormat($report, DataTable $table)
{
$this->idSite = DataTableFactory::getSiteIdFromMetadata($table);
if (empty($this->idSite)) {
$this->idSite = Common::getRequestVar('idSite', 0, 'int');
}
return !empty($this->idSite); // skip formatting if there is no site to get currency info from
}
}
|
