DifferentialDraft.php
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DifferentialDraft.php
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	<?php

	final class DifferentialDraft extends DifferentialDAO {

	protected $objectPHID;
	protected $authorPHID;
	protected $draftKey;

	protected function getConfiguration() {
	return array(
	self::CONFIG_COLUMN_SCHEMA => array(
	'draftKey' => 'text64',
	),
	self::CONFIG_KEY_SCHEMA => array(
	'key_unique' => array(
	'columns' => array('objectPHID', 'authorPHID', 'draftKey'),
	'unique' => true,
	),
	),
	) + parent::getConfiguration();
	}

	public static function markHasDraft(
	$author_phid,
	$object_phid,
	$draft_key) {
	try {
	id(new DifferentialDraft())
	->setObjectPHID($object_phid)
	->setAuthorPHID($author_phid)
	->setDraftKey($draft_key)
	->save();
	} catch (AphrontDuplicateKeyQueryException $ex) {
	// no worries
	}
	}

	public static function deleteHasDraft(
	$author_phid,
	$object_phid,
	$draft_key) {
	$draft = id(new DifferentialDraft())->loadOneWhere(
	'objectPHID = %s AND authorPHID = %s AND draftKey = %s',
	$object_phid,
	$author_phid,
	$draft_key);
	if ($draft) {
	$draft->delete();
	}
	}

	public static function deleteAllDrafts(
	$author_phid,
	$object_phid) {

	$drafts = id(new DifferentialDraft())->loadAllWhere(
	'objectPHID = %s AND authorPHID = %s',
	$object_phid,
	$author_phid);
	foreach ($drafts as $draft) {
	$draft->delete();
	}
	}

	}