/**
* @return number
*/
private function getRange()
{
$maxPrice = $this->getMaxPriceInt();
$index = 1;
do {
$range = pow(10, strlen(floor($maxPrice)) - $index);
$items = $this->resource->getCount($range);
$index++;
} while ($range > self::MIN_RANGE_POWER && count($items) < 2);
return $range;
}
/**
* Get information about products count in range
*
* @param int $range
* @return int
*/
public function getRangeItemCounts($range)
{
$items = array_key_exists($range, $this->rangeItemCounts) ? $this->rangeItemCounts[$range] : null;
if ($items === null) {
$items = $this->resource->getCount($range);
// checking max number of intervals
$i = 0;
$lastIndex = null;
$maxIntervalsNumber = $this->getRangeMaxIntervalsValue();
$calculation = $this->getRangeCalculationValue();
foreach ($items as $k => $v) {
++$i;
if ($calculation == self::RANGE_CALCULATION_MANUAL && $i > 1 && $i > $maxIntervalsNumber) {
$items[$lastIndex] += $v;
unset($items[$k]);
} else {
$lastIndex = $k;
}
}
$this->rangeItemCounts[$range] = $items;
}
return $items;
}
