PhabricatorApplicationTransactionNoEffectResponse.php
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PhabricatorApplicationTransactionNoEffectResponse.php
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	<?php

	final class PhabricatorApplicationTransactionNoEffectResponse
	extends AphrontProxyResponse {

	private $viewer;
	private $exception;
	private $cancelURI;

	public function setCancelURI($cancel_uri) {
	$this->cancelURI = $cancel_uri;
	return $this;
	}

	public function setException(
	PhabricatorApplicationTransactionNoEffectException $exception) {
	$this->exception = $exception;
	return $this;
	}

	protected function buildProxy() {
	return new AphrontDialogResponse();
	}

	public function reduceProxyResponse() {
	$request = $this->getRequest();

	$ex = $this->exception;
	$xactions = $ex->getTransactions();

	$type_comment = PhabricatorTransactions::TYPE_COMMENT;
	$only_empty_comment = (count($xactions) == 1) &&
	(head($xactions)->getTransactionType() == $type_comment);

	$count = phutil_count($xactions);

	if ($ex->hasAnyEffect()) {
	$title = pht('%s Action(s) With No Effect', $count);
	$head = pht('Some of your %s action(s) have no effect:', $count);
	$tail = pht('Apply remaining actions?');
	$continue = pht('Apply Remaining Actions');
	} else if ($ex->hasComment()) {
	$title = pht('Post as Comment');
	$head = pht('The %s action(s) you are taking have no effect:', $count);
	$tail = pht('Do you want to post your comment anyway?');
	$continue = pht('Post Comment');
	} else if ($only_empty_comment) {
	// Special case this since it's common and we can give the user a nicer
	// dialog than "Action Has No Effect".
	$title = pht('Empty Comment');
	$head = null;
	$tail = null;
	$continue = null;
	} else {
	$title = pht('%s Action(s) Have No Effect', $count);
	$head = pht('The %s action(s) you are taking have no effect:', $count);
	$tail = null;
	$continue = null;
	}

	$dialog = id(new AphrontDialogView())
	->setUser($request->getUser())
	->setTitle($title);

	$dialog->appendChild($head);

	$list = array();
	foreach ($xactions as $xaction) {
	$list[] = $xaction->getNoEffectDescription();
	}

	if ($list) {
	$dialog->appendList($list);
	}
	$dialog->appendChild($tail);

	if ($continue) {
	$passthrough = $request->getPassthroughRequestParameters();
	foreach ($passthrough as $key => $value) {
	$dialog->addHiddenInput($key, $value);
	}
	$dialog->addHiddenInput('__continue__', 1);
	$dialog->addSubmitButton($continue);
	}

	$dialog->addCancelButton($this->cancelURI);

	return $this->getProxy()->setDialog($dialog);
	}

	}

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