ManiphestTaskExtensions.php
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ManiphestTaskExtensions.php
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	<?php

	/**
	* @group maniphest
	*/
	abstract class ManiphestTaskExtensions {

	final public function __construct() {
	// <empty>
	}

	abstract public function getAuxiliaryFieldSpecifications();


	final public static function newExtensions() {
	$key = 'maniphest.custom-task-extensions-class';
	return PhabricatorEnv::newObjectFromConfig($key);
	}

	public function loadFields(ManiphestTask $task, PhabricatorUser $viewer) {
	$aux_fields = $this->getAuxiliaryFieldSpecifications();
	if (!$aux_fields) {
	return array();
	}

	$task->loadAndAttachAuxiliaryAttributes();

	foreach ($aux_fields as $aux) {
	$aux->setUser($viewer);
	$aux->setTask($task);

	// If we're creating a new task, we don't bother loading any stored data.
	// This allows any defaults configured by the Extensions object to
	// survive.
	if ($task->getID()) {
	$key = $aux->getAuxiliaryKey();
	$aux->setValueFromStorage($task->getAuxiliaryAttribute($key));
	}
	}

	return $aux_fields;
	}

	}