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phorge/src/applications/fact/chart/PhabricatorFactChartFunction.php
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PhabricatorFactChartFunction.php
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<?php
final class PhabricatorFactChartFunction
extends PhabricatorChartFunction {
const FUNCTIONKEY = 'fact';
private $fact;
private $map;
protected function newArguments() {
$key_argument = $this->newArgument()
->setName('fact-key')
->setType('fact-key');
$parser = $this->getArgumentParser();
$parser->parseArgument($key_argument);
$fact = $this->getArgument('fact-key');
$this->fact = $fact;
return $fact->getFunctionArguments();
}
public function loadData() {
$fact = $this->fact;
$key_id = id(new PhabricatorFactKeyDimension())
->newDimensionID($fact->getKey());
if (!$key_id) {
return;
}
$table = $fact->newDatapoint();
$conn = $table->establishConnection('r');
$table_name = $table->getTableName();
$where = array();
$where[] = qsprintf(
$conn,
'keyID = %d',
$key_id);
$parser = $this->getArgumentParser();
$parts = $fact->buildWhereClauseParts($conn, $parser);
foreach ($parts as $part) {
$where[] = $part;
}
$data = queryfx_all(
$conn,
'SELECT value, epoch FROM %T WHERE %LA ORDER BY epoch ASC',
$table_name,
$where);
$map = array();
if ($data) {
foreach ($data as $row) {
$value = (int)$row['value'];
$epoch = (int)$row['epoch'];
if (!isset($map[$epoch])) {
$map[$epoch] = 0;
}
$map[$epoch] += $value;
}
}
$this->map = $map;
}
public function getDomain() {
return array(
head_key($this->map),
last_key($this->map),
);
}
public function newInputValues(PhabricatorChartDataQuery $query) {
return array_keys($this->map);
}
public function evaluateFunction(array $xv) {
$map = $this->map;
$yv = array();
foreach ($xv as $x) {
if (isset($map[$x])) {
$yv[] = $map[$x];
} else {
$yv[] = null;
}
}
return $yv;
}
}

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