recaptime.dev
@recaptime-dev's working patches + fork for Phorge, a community fork of Phabricator. (Upstream dev and stable branches are at upstream/main and upstream/stable respectively.)
hq.recaptime.dev/wiki/Phorge
phorge
phabricator
1<?php
2
3final class PhabricatorChartDataQuery
4 extends Phobject {
5
6 private $limit;
7 private $minimumValue;
8 private $maximumValue;
9
10 /**
11 * @param int $minimum_value Epoch timestamp of the first input data
12 */
13 public function setMinimumValue($minimum_value) {
14 $this->minimumValue = $minimum_value;
15 return $this;
16 }
17
18 public function getMinimumValue() {
19 return $this->minimumValue;
20 }
21
22 /**
23 * @param int $maximum_value Epoch timestamp of the last input data
24 */
25 public function setMaximumValue($maximum_value) {
26 $this->maximumValue = $maximum_value;
27 return $this;
28 }
29
30 public function getMaximumValue() {
31 return $this->maximumValue;
32 }
33
34 /**
35 * @param int $limit Maximum amount of data points to handle. If there are
36 * more data points, some in-between data will be ignored.
37 */
38 public function setLimit($limit) {
39 $this->limit = $limit;
40 return $this;
41 }
42
43 public function getLimit() {
44 return $this->limit;
45 }
46
47 /**
48 * Filter input data: Remove values lower resp. higher than the minimum
49 * resp. maximum values; remove some data if amount of data above the limit.
50 *
51 * @param array<int> $xv Epoch timestamps of unfitlered input data
52 * @return array<int> Epoch timestamps of fitlered input data
53 */
54 public function selectInputValues(array $xv) {
55 $result = array();
56
57 $x_min = $this->getMinimumValue();
58 $x_max = $this->getMaximumValue();
59 $limit = $this->getLimit();
60
61 if ($x_min !== null) {
62 foreach ($xv as $key => $x) {
63 if ($x < $x_min) {
64 unset($xv[$key]);
65 }
66 }
67 }
68
69 if ($x_max !== null) {
70 foreach ($xv as $key => $x) {
71 if ($x > $x_max) {
72 unset($xv[$key]);
73 }
74 }
75 }
76
77 // If we have too many data points, throw away some of the data.
78
79 // TODO: This doesn't work especially well right now.
80
81 if ($limit !== null) {
82 $count = count($xv);
83 if ($count > $limit) {
84 $ii = 0;
85 $every = ceil($count / $limit);
86 foreach ($xv as $key => $x) {
87 $ii++;
88 if (($ii % $every) && ($ii != $count)) {
89 unset($xv[$key]);
90 }
91 }
92 }
93 }
94
95 return array_values($xv);
96 }
97
98}