src/applications/fact/chart/PhabricatorChartDataQuery.php

   1 <?php
   2
   3 final class PhabricatorChartDataQuery
   4   extends Phobject {
   5
   6   private $limit;
   7   private $minimumValue;
   8   private $maximumValue;
   9
  10   public function setMinimumValue($minimum_value) {
  11     $this->minimumValue = $minimum_value;
  12     return $this;
  13   }
  14
  15   public function getMinimumValue() {
  16     return $this->minimumValue;
  17   }
  18
  19   public function setMaximumValue($maximum_value) {
  20     $this->maximumValue = $maximum_value;
  21     return $this;
  22   }
  23
  24   public function getMaximumValue() {
  25     return $this->maximumValue;
  26   }
  27
  28   public function setLimit($limit) {
  29     $this->limit = $limit;
  30     return $this;
  31   }
  32
  33   public function getLimit() {
  34     return $this->limit;
  35   }
  36
  37   public function selectInputValues(array $xv) {
  38     $result = array();
  39
  40     $x_min = $this->getMinimumValue();
  41     $x_max = $this->getMaximumValue();
  42     $limit = $this->getLimit();
  43
  44     if ($x_min !== null) {
  45       foreach ($xv as $key => $x) {
  46         if ($x < $x_min) {
  47           unset($xv[$key]);
  48         }
  49       }
  50     }
  51
  52     if ($x_max !== null) {
  53       foreach ($xv as $key => $x) {
  54         if ($x > $x_max) {
  55           unset($xv[$key]);
  56         }
  57       }
  58     }
  59
  60     // If we have too many data points, throw away some of the data.
  61
  62     // TODO: This doesn't work especially well right now.
  63
  64     if ($limit !== null) {
  65       $count = count($xv);
  66       if ($count > $limit) {
  67         $ii = 0;
  68         $every = ceil($count / $limit);
  69         foreach ($xv as $key => $x) {
  70           $ii++;
  71           if (($ii % $every) && ($ii != $count)) {
  72             unset($xv[$key]);
  73           }
  74         }
  75       }
  76     }
  77
  78     return array_values($xv);
  79   }
  80
  81 }