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phorge/src/infrastructure/export/engine/PhabricatorCustomFieldExportEngineExtension.php
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PhabricatorCustomFieldExportEngineExtension.php
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<?php
final class PhabricatorCustomFieldExportEngineExtension
extends PhabricatorExportEngineExtension {
const EXTENSIONKEY = 'custom-field';
private $object;
public function supportsObject($object) {
$this->object = $object;
return ($object instanceof PhabricatorCustomFieldInterface);
}
public function newExportFields() {
$prototype = $this->object;
$fields = $this->newCustomFields($prototype);
$results = array();
foreach ($fields as $field) {
$field_key = $field->getModernFieldKey();
$results[] = $field->newExportField()
->setKey($field_key);
}
return $results;
}
public function newExportData(array $objects) {
$viewer = $this->getViewer();
$field_map = array();
foreach ($objects as $object) {
$object_phid = $object->getPHID();
$fields = PhabricatorCustomField::getObjectFields(
$object,
PhabricatorCustomField::ROLE_EXPORT);
$fields
->setViewer($viewer)
->readFieldsFromObject($object);
$field_map[$object_phid] = $fields;
}
$all_fields = array();
foreach ($field_map as $field_list) {
foreach ($field_list->getFields() as $field) {
$all_fields[] = $field;
}
}
id(new PhabricatorCustomFieldStorageQuery())
->addFields($all_fields)
->execute();
$results = array();
foreach ($objects as $object) {
$object_phid = $object->getPHID();
$object_fields = $field_map[$object_phid];
$map = array();
foreach ($object_fields->getFields() as $field) {
$key = $field->getModernFieldKey();
$map[$key] = $field->newExportData();
}
$results[] = $map;
}
return $results;
}
private function newCustomFields($object) {
$fields = PhabricatorCustomField::getObjectFields(
$object,
PhabricatorCustomField::ROLE_EXPORT);
$fields->setViewer($this->getViewer());
return $fields->getFields();
}
}

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