PhrictionEditController.php
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PhrictionEditController.php
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	<?php

	/*
	* Copyright 2012 Facebook, Inc.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	/**
	* @group phriction
	*/
	final class PhrictionEditController
	extends PhrictionController {

	private $id;

	public function willProcessRequest(array $data) {
	$this->id = idx($data, 'id');
	}

	public function processRequest() {

	$request = $this->getRequest();
	$user = $request->getUser();

	if ($this->id) {
	$document = id(new PhrictionDocument())->load($this->id);
	if (!$document) {
	return new Aphront404Response();
	}

	$revert = $request->getInt('revert');
	if ($revert) {
	$content = id(new PhrictionContent())->loadOneWhere(
	'documentID = %d AND version = %d',
	$document->getID(),
	$revert);
	if (!$content) {
	return new Aphront404Response();
	}
	} else {
	$content = id(new PhrictionContent())->load($document->getContentID());
	}

	} else {
	$slug = $request->getStr('slug');
	$slug = PhabricatorSlug::normalize($slug);
	if (!$slug) {
	return new Aphront404Response();
	}

	$document = id(new PhrictionDocument())->loadOneWhere(
	'slug = %s',
	$slug);

	if ($document) {
	$content = id(new PhrictionContent())->load($document->getContentID());
	} else {
	if (PhrictionDocument::isProjectSlug($slug)) {
	$project = id(new PhabricatorProject())->loadOneWhere(
	'phrictionSlug = %s',
	PhrictionDocument::getProjectSlugIdentifier($slug));
	if (!$project) {
	return new Aphront404Response();
	}
	}
	$document = new PhrictionDocument();
	$document->setSlug($slug);

	$content = new PhrictionContent();
	$content->setSlug($slug);

	$default_title = PhabricatorSlug::getDefaultTitle($slug);
	$content->setTitle($default_title);
	}
	}

	if ($request->getBool('nodraft')) {
	$draft = null;
	$draft_key = null;
	} else {
	if ($document->getPHID()) {
	$draft_key = $document->getPHID().':'.$content->getVersion();
	} else {
	$draft_key = 'phriction:'.$content->getSlug();
	}
	$draft = id(new PhabricatorDraft())->loadOneWhere(
	'authorPHID = %s AND draftKey = %s',
	$user->getPHID(),
	$draft_key);
	}

	require_celerity_resource('phriction-document-css');

	$e_title = true;
	$notes = null;
	$errors = array();

	if ($request->isFormPost()) {
	$title = $request->getStr('title');
	$notes = $request->getStr('description');

	if (!strlen($title)) {
	$e_title = 'Required';
	$errors[] = 'Document title is required.';
	} else {
	$e_title = null;
	}

	if ($document->getID()) {
	if ($content->getTitle() == $title &&
	$content->getContent() == $request->getStr('content')) {

	$dialog = new AphrontDialogView();
	$dialog->setUser($user);
	$dialog->setTitle('No Edits');
	$dialog->appendChild(
	'<p>You did not make any changes to the document.</p>');
	$dialog->addCancelButton($request->getRequestURI());

	return id(new AphrontDialogResponse())->setDialog($dialog);
	}
	}

	if (!count($errors)) {
	$editor = id(PhrictionDocumentEditor::newForSlug($document->getSlug()))
	->setActor($user)
	->setTitle($title)
	->setContent($request->getStr('content'))
	->setDescription($notes);

	$editor->save();

	if ($draft) {
	$draft->delete();
	}

	$uri = PhrictionDocument::getSlugURI($document->getSlug());
	return id(new AphrontRedirectResponse())->setURI($uri);
	}
	}

	$error_view = null;
	if ($errors) {
	$error_view = id(new AphrontErrorView())
	->setTitle('Form Errors')
	->setErrors($errors);
	}

	if ($document->getID()) {
	$panel_header = 'Edit Phriction Document';
	$submit_button = 'Save Changes';
	$delete_button = phutil_render_tag(
	'a',
	array(
	'href' => '/phriction/delete/'.$document->getID().'/',
	'class' => 'grey button',
	),
	'Delete Document');
	} else {
	$panel_header = 'Create New Phriction Document';
	$submit_button = 'Create Document';
	$delete_button = null;
	}

	$uri = $document->getSlug();
	$uri = PhrictionDocument::getSlugURI($uri);
	$uri = PhabricatorEnv::getProductionURI($uri);

	$cancel_uri = PhrictionDocument::getSlugURI($document->getSlug());

	if ($draft &&
	strlen($draft->getDraft()) &&
	($draft->getDraft() != $content->getContent())) {
	$content_text = $draft->getDraft();

	$discard = phutil_render_tag(
	'a',
	array(
	'href' => $request->getRequestURI()->alter('nodraft', true),
	),
	'discard this draft');

	$draft_note = new AphrontErrorView();
	$draft_note->setSeverity(AphrontErrorView::SEVERITY_NOTICE);
	$draft_note->setTitle('Recovered Draft');
	$draft_note->appendChild(
	'<p>Showing a saved draft of your edits, you can '.$discard.'.</p>');
	} else {
	$content_text = $content->getContent();
	$draft_note = null;
	}

	$form = id(new AphrontFormView())
	->setUser($user)
	->setWorkflow(true)
	->setAction($request->getRequestURI()->getPath())
	->addHiddenInput('slug', $document->getSlug())
	->addHiddenInput('nodraft', $request->getBool('nodraft'))
	->appendChild(
	id(new AphrontFormTextControl())
	->setLabel('Title')
	->setValue($content->getTitle())
	->setError($e_title)
	->setName('title'))
	->appendChild(
	id(new AphrontFormStaticControl())
	->setLabel('URI')
	->setValue($uri))
	->appendChild(
	id(new PhabricatorRemarkupControl())
	->setLabel('Content')
	->setValue($content_text)
	->setHeight(AphrontFormTextAreaControl::HEIGHT_VERY_TALL)
	->setName('content')
	->setID('document-textarea'))
	->appendChild(
	id(new AphrontFormTextControl())
	->setLabel('Edit Notes')
	->setValue($notes)
	->setError(null)
	->setName('description'))
	->appendChild(
	id(new AphrontFormSubmitControl())
	->addCancelButton($cancel_uri)
	->setValue($submit_button));

	$panel = id(new AphrontPanelView())
	->setWidth(AphrontPanelView::WIDTH_WIDE)
	->setHeader($panel_header)
	->appendChild($form);

	if ($delete_button) {
	$panel->addButton($delete_button);
	}

	$preview_panel =
	'<div class="aphront-panel-preview aphront-panel-preview-wide">
	<div class="phriction-document-preview-header">
	Document Preview
	</div>
	<div id="document-preview">
	<div class="aphront-panel-preview-loading-text">
	Loading preview...
	</div>
	</div>
	</div>';

	Javelin::initBehavior(
	'phriction-document-preview',
	array(
	'preview' => 'document-preview',
	'textarea' => 'document-textarea',
	'uri' => '/phriction/preview/?draftkey='.$draft_key,
	));

	return $this->buildStandardPageResponse(
	array(
	$draft_note,
	$error_view,
	$panel,
	$preview_panel,
	),
	array(
	'title' => 'Edit Document',
	));
	}

	}

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