PhabricatorFactChart.php
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PhabricatorFactChart.php
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	<?php

	final class PhabricatorFactChart
	extends PhabricatorFactDAO
	implements PhabricatorPolicyInterface {

	protected $chartKey;
	protected $chartParameters = array();

	private $datasets = self::ATTACHABLE;

	protected function getConfiguration() {
	return array(
	self::CONFIG_SERIALIZATION => array(
	'chartParameters' => self::SERIALIZATION_JSON,
	),
	self::CONFIG_COLUMN_SCHEMA => array(
	'chartKey' => 'bytes12',
	),
	self::CONFIG_KEY_SCHEMA => array(
	'key_chart' => array(
	'columns' => array('chartKey'),
	'unique' => true,
	),
	),
	) + parent::getConfiguration();
	}

	public function setChartParameter($key, $value) {
	$this->chartParameters[$key] = $value;
	return $this;
	}

	public function getChartParameter($key, $default = null) {
	return idx($this->chartParameters, $key, $default);
	}

	public function newChartKey() {
	$digest = serialize($this->chartParameters);
	$digest = PhabricatorHash::digestForIndex($digest);
	return $digest;
	}

	public function save() {
	if ($this->getID()) {
	throw new Exception(
	pht(
	'Chart configurations are not mutable. You can not update or '.
	'overwrite an existing chart configuration.'));
	}

	$this->chartKey = $this->newChartKey();

	return parent::save();
	}

	public function attachDatasets(array $datasets) {
	assert_instances_of($datasets, 'PhabricatorChartDataset');
	$this->datasets = $datasets;
	return $this;
	}

	public function getDatasets() {
	return $this->assertAttached($this->datasets);
	}

	public function getURI() {
	return urisprintf('/fact/chart/%s/', $this->getChartKey());
	}

	/* -( PhabricatorPolicyInterface )----------------------------------------- */

	public function getCapabilities() {
	return array(
	PhabricatorPolicyCapability::CAN_VIEW,
	);
	}

	public function getPolicy($capability) {
	return PhabricatorPolicies::getMostOpenPolicy();
	}

	public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
	return false;
	}


	}

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