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phab/src/applications/releeph/field/specification/ReleephDiffChurnFieldSpecification.php
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ReleephDiffChurnFieldSpecification.php
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<?php
final class ReleephDiffChurnFieldSpecification
extends ReleephFieldSpecification {
const REJECTIONS_WEIGHT = 30;
const COMMENTS_WEIGHT = 7;
const UPDATES_WEIGHT = 10;
const MAX_POINTS = 100;
public function getName() {
return 'Churn';
}
public function renderValueForHeaderView() {
$diff_rev = $this->getReleephRequest()->loadDifferentialRevision();
if (!$diff_rev) {
return null;
}
$diff_rev = $this->getReleephRequest()->loadDifferentialRevision();
$comments = id(new DifferentialRevisionQuery())
->setViewer($this->getUser())
->withRevisionIDs(array($diff_rev->getID()))
->excute();
$counts = array();
foreach ($comments as $comment) {
$action = $comment->getAction();
if (!isset($counts[$action])) {
$counts[$action] = 0;
}
$counts[$action] += 1;
}
// 'none' action just means a plain comment
$comments = idx($counts, 'none', 0);
$rejections = idx($counts, 'reject', 0);
$updates = idx($counts, 'update', 0);
$points =
self::REJECTIONS_WEIGHT * $rejections +
self::COMMENTS_WEIGHT * $comments +
self::UPDATES_WEIGHT * $updates;
if ($points === 0) {
$points = 0.15 * self::MAX_POINTS;
$blurb = 'Silent diff';
} else {
$parts = array();
if ($rejections) {
$parts[] = pht('%d rejection(s)', $rejections);
}
if ($comments) {
$parts[] = pht('%d comment(s)', $comments);
}
if ($updates) {
$parts[] = pht('%d update(s)', $updates);
}
if (count($parts) === 0) {
$blurb = '';
} else if (count($parts) === 1) {
$blurb = head($parts);
} else {
$last = array_pop($parts);
$blurb = implode(', ', $parts).' and '.$last;
}
}
return id(new AphrontProgressBarView())
->setValue($points)
->setMax(self::MAX_POINTS)
->setCaption($blurb)
->render();
}
}
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