/**
* @dataProvider getLowerValuesBetter
* @group Core
*/
public function testIsLowerValueBetter($column, $expected)
{
$actual = Metrics::isLowerValueBetter($column);
$this->assertEquals($expected, $actual);
}
/**
* Prepare metrics toggles with spark lines
* @return array
*/
protected function getMetricsToggles()
{
$i = 0;
$metrics = array();
foreach ($this->availableMetrics as $metric => $metricData) {
$unit = Metrics::getUnit($metric, $this->idSite);
$change = isset($metricData['change']) ? $metricData['change'] : false;
list($first, $last) = $this->getFirstAndLastDataPointsForMetric($metric);
$details = Piwik::translate('RowEvolution_MetricBetweenText', array(NumberFormatter::getInstance()->format($first), NumberFormatter::getInstance()->format($last)));
if ($change !== false) {
$lowerIsBetter = Metrics::isLowerValueBetter($metric);
if (substr($change, 0, 1) == '+') {
$changeClass = $lowerIsBetter ? 'bad' : 'good';
$changeImage = $lowerIsBetter ? 'arrow_up_red' : 'arrow_up';
} else {
if (substr($change, 0, 1) == '-') {
$changeClass = $lowerIsBetter ? 'good' : 'bad';
$changeImage = $lowerIsBetter ? 'arrow_down_green' : 'arrow_down';
} else {
$changeClass = 'neutral';
$changeImage = false;
}
}
$change = '<span class="' . $changeClass . '">' . ($changeImage ? '<img src="plugins/MultiSites/images/' . $changeImage . '.png" /> ' : '') . $change . '</span>';
$details .= ', ' . Piwik::translate('RowEvolution_MetricChangeText', $change);
}
// set metric min/max text (used as tooltip for details)
$max = isset($metricData['max']) ? $metricData['max'] : 0;
$min = isset($metricData['min']) ? $metricData['min'] : 0;
$min .= $unit;
$max .= $unit;
$minmax = Piwik::translate('RowEvolution_MetricMinMax', array($metricData['name'], NumberFormatter::getInstance()->formatNumber($min), NumberFormatter::getInstance()->formatNumber($max)));
$newMetric = array('label' => $metricData['name'], 'details' => $details, 'minmax' => $minmax, 'sparkline' => $this->getSparkline($metric));
// Multi Rows, each metric can be for a particular row and display an icon
if (!empty($metricData['logo'])) {
$newMetric['logo'] = $metricData['logo'];
}
// TODO: this check should be determined by metric metadata, not hardcoded here
if ($metric == 'nb_users' && $first == 0 && $last == 0) {
$newMetric['hide'] = true;
}
$metrics[] = $newMetric;
$i++;
}
return $metrics;
}
