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PhabricatorSlowvoteQuestionTransaction.php
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			<?php

			final class PhabricatorSlowvoteQuestionTransaction
			extends PhabricatorSlowvoteTransactionType {

			const TRANSACTIONTYPE = 'vote:question';

			public function generateOldValue($object) {
			return $object->getQuestion();
			}

			public function applyInternalEffects($object, $value) {
			$object->setQuestion($value);
			}

			public function getTitle() {
			$old = $this->getOldValue();
			$new = $this->getNewValue();

			if ($old === null) {
			return pht(
			'%s created this poll.',
			$this->renderAuthor());
			} else {
			return pht(
			'%s changed the poll question from "%s" to "%s".',
			$this->renderAuthor(),
			$old,
			$new);
			}
			}

			public function getTitleForFeed() {
			$old = $this->getOldValue();

			if ($old === null) {
			return pht(
			'%s created %s.',
			$this->renderAuthor(),
			$this->renderObject());

			} else {
			return pht(
			'%s renamed %s.',
			$this->renderAuthor(),
			$this->renderObject());
			}
			}

			public function getIcon() {
			$old = $this->getOldValue();

			if ($old === null) {
			return 'fa-plus';
			} else {
			return 'fa-pencil';
			}
			}

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

			if ($this->isEmptyTextTransaction($object->getQuestion(), $xactions)) {
			$errors[] = $this->newRequiredError(pht('Polls must have a question.'));
			}

			return $errors;
			}

			}