PhrictionDocumentDraftTransaction.php
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	<?php

	final class PhrictionDocumentDraftTransaction
	extends PhrictionDocumentEditTransaction {

	const TRANSACTIONTYPE = 'draft';

	public function applyInternalEffects($object, $value) {
	parent::applyInternalEffects($object, $value);

	$this->getEditor()->setShouldPublishContent($object, false);
	}

	public function shouldHideForFeed() {
	return true;
	}

	public function validateTransactions($object, array $xactions) {
	$errors = array();

	// NOTE: We're only validating that you can't edit a document down to
	// nothing in a draft transaction. Alone, this doesn't prevent you from
	// creating a document with no content. The content transaction has
	// validation for that.

	if (!$xactions) {
	return $errors;
	}

	$content = $object->getContent()->getContent();
	if ($this->isEmptyTextTransaction($content, $xactions)) {
	$errors[] = $this->newRequiredError(
	pht('Documents must have content.'));
	}

	return $errors;
	}

	}