DifferentialAuxiliaryField.php
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DifferentialAuxiliaryField.php
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	<?php

	final class DifferentialAuxiliaryField {

	public static function loadFromStorage(
	DifferentialRevision $revision,
	array $aux_fields) {
	assert_instances_of($aux_fields, 'DifferentialFieldSpecification');

	$storage_keys = array_filter(mpull($aux_fields, 'getStorageKey'));
	$field_data = array();
	if ($storage_keys) {
	$index_map = array();
	foreach ($storage_keys as $key) {
	$index_map[PhabricatorHash::digestForIndex($key)] = $key;
	}

	$index_data = id(new DifferentialCustomFieldStorage())->loadAllWhere(
	'objectPHID = %s AND fieldIndex IN (%Ls)',
	$revision->getPHID(),
	array_keys($index_map));
	$index_data = mpull($index_data, 'getFieldValue', 'getFieldIndex');

	foreach ($index_data as $index => $data) {
	$field_data[$index_map[$index]] = $data;
	}
	}

	foreach ($aux_fields as $aux_field) {
	$aux_field->setRevision($revision);
	$key = $aux_field->getStorageKey();
	if ($key) {
	$aux_field->setValueFromStorage(idx($field_data, $key));
	}
	}

	return $aux_fields;
	}

	}