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phab/src/applications/fact/controller/PhabricatorFactChartController.php
2ef10fbe5762feature/better-testing

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PhabricatorFactChartController.php
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<?php
final class PhabricatorFactChartController extends PhabricatorFactController {
public function handleRequest(AphrontRequest $request) {
$viewer = $request->getViewer();
$series = $request->getStr('y1');
$facts = PhabricatorFact::getAllFacts();
$fact = idx($facts, $series);
if (!$fact) {
return new Aphront404Response();
}
$key_id = id(new PhabricatorFactKeyDimension())
->newDimensionID($fact->getKey());
if (!$key_id) {
return new Aphront404Response();
}
$table = $fact->newDatapoint();
$conn_r = $table->establishConnection('r');
$table_name = $table->getTableName();
$data = queryfx_all(
$conn_r,
'SELECT value, epoch FROM %T WHERE keyID = %d ORDER BY epoch ASC',
$table_name,
$key_id);
$points = array();
$sum = 0;
foreach ($data as $key => $row) {
$sum += (int)$row['value'];
$points[(int)$row['epoch']] = $sum;
}
if (!$points) {
throw new Exception('No data to show!');
}
// Limit amount of data passed to browser.
$count = count($points);
$limit = 2000;
if ($count > $limit) {
$i = 0;
$every = ceil($count / $limit);
foreach ($points as $epoch => $sum) {
$i++;
if ($i % $every && $i != $count) {
unset($points[$epoch]);
}
}
}
$x = array_keys($points);
$y = array_values($points);
$id = celerity_generate_unique_node_id();
$chart = phutil_tag(
'div',
array(
'id' => $id,
'style' => 'background: #ffffff; '.
'height: 480px; ',
),
'');
require_celerity_resource('d3');
Javelin::initBehavior('line-chart', array(
'hardpoint' => $id,
'x' => array($x),
'y' => array($y),
'xformat' => 'epoch',
'colors' => array('#0000ff'),
));
$box = id(new PHUIObjectBoxView())
->setHeaderText(pht('Count of %s', $fact->getName()))
->appendChild($chart);
$crumbs = $this->buildApplicationCrumbs();
$crumbs->addTextCrumb(pht('Chart'));
$title = pht('Chart');
return $this->newPage()
->setTitle($title)
->setCrumbs($crumbs)
->appendChild($box);
}
}
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