PhrictionNewController.php
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	<?php

	final class PhrictionNewController extends PhrictionController {

	public function handleRequest(AphrontRequest $request) {
	$viewer = $request->getViewer();
	$slug = PhabricatorSlug::normalize($request->getStr('slug'));

	if ($request->isFormPost()) {
	$document = id(new PhrictionDocumentQuery())
	->setViewer($viewer)
	->withSlugs(array($slug))
	->executeOne();
	$prompt = $request->getStr('prompt', 'no');
	$document_exists = $document && $document->getStatus() ==
	PhrictionDocumentStatus::STATUS_EXISTS;

	if ($document_exists && $prompt == 'no') {
	return $this->newDialog()
	->setSubmitURI('/phriction/new/')
	->setTitle(pht('Edit Existing Document?'))
	->setUser($viewer)
	->appendChild(pht(
	'The document %s already exists. Do you want to edit it instead?',
	phutil_tag('tt', array(), $slug)))
	->addHiddenInput('slug', $slug)
	->addHiddenInput('prompt', 'yes')
	->addCancelButton('/w/')
	->addSubmitButton(pht('Edit Document'));
	}

	$uri = '/phriction/edit/?slug='.$slug;
	return id(new AphrontRedirectResponse())
	->setURI($uri);
	}

	if ($slug == '/') {
	$slug = '';
	}

	$view = id(new PHUIFormLayoutView())
	->appendChild(id(new AphrontFormTextControl())
	->setLabel('/w/')
	->setValue($slug)
	->setName('slug'));

	return $this->newDialog()
	->setTitle(pht('New Document'))
	->setSubmitURI('/phriction/new/')
	->appendChild(phutil_tag('p',
	array(),
	pht('Create a new document at')))
	->appendChild($view)
	->addSubmitButton(pht('Create'))
	->addCancelButton('/w/');

	}

	}