PhabricatorChartDataset.php
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PhabricatorChartDataset.php
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	<?php

	abstract class PhabricatorChartDataset
	extends Phobject {

	private $functions;

	final public function getDatasetTypeKey() {
	return $this->getPhobjectClassConstant('DATASETKEY', 32);
	}

	final public function getFunctions() {
	return $this->functions;
	}

	final public function setFunctions(array $functions) {
	assert_instances_of($functions, 'PhabricatorComposeChartFunction');

	$this->functions = $functions;

	return $this;
	}

	final public static function getAllDatasetTypes() {
	return id(new PhutilClassMapQuery())
	->setAncestorClass(__CLASS__)
	->setUniqueMethod('getDatasetTypeKey')
	->execute();
	}

	final public static function newFromDictionary(array $map) {
	PhutilTypeSpec::checkMap(
	$map,
	array(
	'type' => 'string',
	'functions' => 'list<wild>',
	));

	$types = self::getAllDatasetTypes();

	$dataset_type = $map['type'];
	if (!isset($types[$dataset_type])) {
	throw new Exception(
	pht(
	'Trying to construct a dataset of type "%s", but this type is '.
	'unknown. Supported types are: %s.',
	$dataset_type,
	implode(', ', array_keys($types))));
	}

	$dataset = id(clone $types[$dataset_type]);

	$functions = array();
	foreach ($map['functions'] as $map) {
	$functions[] = PhabricatorChartFunction::newFromDictionary($map);
	}
	$dataset->setFunctions($functions);

	return $dataset;
	}

	final public function getChartDisplayData(
	PhabricatorChartDataQuery $data_query) {
	return $this->newChartDisplayData($data_query);
	}

	abstract protected function newChartDisplayData(
	PhabricatorChartDataQuery $data_query);


	final public function getTabularDisplayData(
	PhabricatorChartDataQuery $data_query) {
	$results = array();

	$functions = $this->getFunctions();
	foreach ($functions as $function) {
	$datapoints = $function->newDatapoints($data_query);

	$refs = $function->getDataRefs(ipull($datapoints, 'x'));

	foreach ($datapoints as $key => $point) {
	$x = $point['x'];

	if (isset($refs[$x])) {
	$xrefs = $refs[$x];
	} else {
	$xrefs = array();
	}

	$datapoints[$key]['refs'] = $xrefs;
	}

	$results[] = array(
	'data' => $datapoints,
	);
	}

	return id(new PhabricatorChartDisplayData())
	->setWireData($results);
	}

	}

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