PhrictionEditController.php
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PhrictionEditController.php
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	<?php

	final class PhrictionEditController
	extends PhrictionController {

	public function handleRequest(AphrontRequest $request) {
	$viewer = $request->getViewer();
	$id = $request->getURIData('id');

	$max_version = null;
	if ($id) {
	$is_new = false;
	$document = id(new PhrictionDocumentQuery())
	->setViewer($viewer)
	->withIDs(array($id))
	->needContent(true)
	->requireCapabilities(
	array(
	PhabricatorPolicyCapability::CAN_VIEW,
	PhabricatorPolicyCapability::CAN_EDIT,
	))
	->executeOne();
	if (!$document) {
	return new Aphront404Response();
	}

	$max_version = $document->getMaxVersion();

	$revert = $request->getInt('revert');
	if ($revert) {
	$content = id(new PhrictionContentQuery())
	->setViewer($viewer)
	->withDocumentPHIDs(array($document->getPHID()))
	->withVersions(array($revert))
	->executeOne();
	if (!$content) {
	return new Aphront404Response();
	}
	} else {
	$content = id(new PhrictionContentQuery())
	->setViewer($viewer)
	->withDocumentPHIDs(array($document->getPHID()))
	->setLimit(1)
	->executeOne();
	}
	} else {
	$slug = $request->getStr('slug');
	$slug = PhabricatorSlug::normalize($slug);
	if (!$slug) {
	return new Aphront404Response();
	}

	$document = id(new PhrictionDocumentQuery())
	->setViewer($viewer)
	->withSlugs(array($slug))
	->needContent(true)
	->executeOne();

	if ($document) {
	$content = id(new PhrictionContentQuery())
	->setViewer($viewer)
	->withDocumentPHIDs(array($document->getPHID()))
	->setLimit(1)
	->executeOne();

	$max_version = $document->getMaxVersion();
	$is_new = false;
	} else {
	$document = PhrictionDocument::initializeNewDocument($viewer, $slug);
	$content = $document->getContent();
	$is_new = true;
	}
	}

	require_celerity_resource('phriction-document-css');

	$e_title = true;
	$e_content = true;
	$validation_exception = null;
	$notes = null;
	$title = $content->getTitle();
	$overwrite = false;
	$v_cc = PhabricatorSubscribersQuery::loadSubscribersForPHID(
	$document->getPHID());

	if ($is_new) {
	$v_projects = array();
	} else {
	$v_projects = PhabricatorEdgeQuery::loadDestinationPHIDs(
	$document->getPHID(),
	PhabricatorProjectObjectHasProjectEdgeType::EDGECONST);
	$v_projects = array_reverse($v_projects);
	}

	$v_space = $document->getSpacePHID();

	$content_text = $content->getContent();
	$is_draft_mode = ($document->getContent()->getVersion() != $max_version);

	$default_view = $document->getViewPolicy();
	$default_edit = $document->getEditPolicy();
	$default_space = $document->getSpacePHID();

	if ($request->isFormPost()) {
	if ($is_new) {
	$save_as_draft = false;
	} else {
	$save_as_draft = ($is_draft_mode \|\| $request->getExists('draft'));
	}

	$title = $request->getStr('title');
	$content_text = $request->getStr('content');
	$notes = $request->getStr('description');
	$max_version = $request->getInt('contentVersion');
	$v_view = $request->getStr('viewPolicy');
	$v_edit = $request->getStr('editPolicy');
	$v_cc = $request->getArr('cc');
	$v_projects = $request->getArr('projects');
	$v_space = $request->getStr('spacePHID');

	if ($save_as_draft) {
	$edit_type = PhrictionDocumentDraftTransaction::TRANSACTIONTYPE;
	} else {
	$edit_type = PhrictionDocumentContentTransaction::TRANSACTIONTYPE;
	}

	$xactions = array();

	if ($is_new) {
	$xactions[] = id(new PhrictionTransaction())
	->setTransactionType(PhabricatorTransactions::TYPE_CREATE);
	}

	$xactions[] = id(new PhrictionTransaction())
	->setTransactionType(PhrictionDocumentTitleTransaction::TRANSACTIONTYPE)
	->setNewValue($title);
	$xactions[] = id(new PhrictionTransaction())
	->setTransactionType($edit_type)
	->setNewValue($content_text);
	$xactions[] = id(new PhrictionTransaction())
	->setTransactionType(PhabricatorTransactions::TYPE_VIEW_POLICY)
	->setNewValue($v_view)
	->setIsDefaultTransaction($is_new && ($v_view === $default_view));
	$xactions[] = id(new PhrictionTransaction())
	->setTransactionType(PhabricatorTransactions::TYPE_EDIT_POLICY)
	->setNewValue($v_edit)
	->setIsDefaultTransaction($is_new && ($v_edit === $default_edit));
	$xactions[] = id(new PhrictionTransaction())
	->setTransactionType(PhabricatorTransactions::TYPE_SPACE)
	->setNewValue($v_space)
	->setIsDefaultTransaction($is_new && ($v_space === $default_space));
	$xactions[] = id(new PhrictionTransaction())
	->setTransactionType(PhabricatorTransactions::TYPE_SUBSCRIBERS)
	->setNewValue(array('=' => $v_cc));

	$proj_edge_type = PhabricatorProjectObjectHasProjectEdgeType::EDGECONST;
	$xactions[] = id(new PhrictionTransaction())
	->setTransactionType(PhabricatorTransactions::TYPE_EDGE)
	->setMetadataValue('edge:type', $proj_edge_type)
	->setNewValue(array('=' => array_fuse($v_projects)));

	$editor = id(new PhrictionTransactionEditor())
	->setActor($viewer)
	->setContentSourceFromRequest($request)
	->setContinueOnNoEffect(true)
	->setDescription($notes)
	->setProcessContentVersionError(!$request->getBool('overwrite'))
	->setContentVersion($max_version);

	try {
	$editor->applyTransactions($document, $xactions);

	$uri = PhrictionDocument::getSlugURI($document->getSlug());
	$uri = new PhutilURI($uri);

	// If the user clicked "Save as Draft", take them to the draft, not
	// to the current published page.
	if ($save_as_draft) {
	$uri = $uri->alter('v', $document->getMaxVersion());
	}

	return id(new AphrontRedirectResponse())->setURI($uri);
	} catch (PhabricatorApplicationTransactionValidationException $ex) {
	$validation_exception = $ex;
	$e_title = nonempty(
	$ex->getShortMessage(
	PhrictionDocumentTitleTransaction::TRANSACTIONTYPE),
	true);
	$e_content = nonempty(
	$ex->getShortMessage(
	PhrictionDocumentContentTransaction::TRANSACTIONTYPE),
	true);

	// if we're not supposed to process the content version error, then
	// overwrite that content...!
	if (!$editor->getProcessContentVersionError()) {
	$overwrite = true;
	}

	$document->setViewPolicy($v_view);
	$document->setEditPolicy($v_edit);
	$document->setSpacePHID($v_space);
	}
	}

	if ($document->getID()) {
	$page_title = pht('Edit Document: %s', $content->getTitle());
	if ($overwrite) {
	$submit_button = pht('Overwrite Changes');
	} else {
	$submit_button = pht('Save and Publish');
	}
	} else {
	$submit_button = pht('Create Document');
	$page_title = pht('Create Document');
	}

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

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

	$policies = id(new PhabricatorPolicyQuery())
	->setViewer($viewer)
	->setObject($document)
	->execute();
	$view_capability = PhabricatorPolicyCapability::CAN_VIEW;
	$edit_capability = PhabricatorPolicyCapability::CAN_EDIT;

	$form = id(new AphrontFormView())
	->setUser($viewer)
	->addHiddenInput('slug', $document->getSlug())
	->addHiddenInput('contentVersion', $max_version)
	->addHiddenInput('overwrite', $overwrite)
	->appendChild(
	id(new AphrontFormTextControl())
	->setLabel(pht('Title'))
	->setValue($title)
	->setError($e_title)
	->setName('title'))
	->appendChild(
	id(new AphrontFormStaticControl())
	->setLabel(pht('URI'))
	->setValue($uri))
	->appendChild(
	id(new PhabricatorRemarkupControl())
	->setLabel(pht('Content'))
	->setValue($content_text)
	->setError($e_content)
	->setHeight(AphrontFormTextAreaControl::HEIGHT_VERY_TALL)
	->setName('content')
	->setID('document-textarea')
	->setUser($viewer))
	->appendControl(
	id(new AphrontFormTokenizerControl())
	->setLabel(pht('Tags'))
	->setName('projects')
	->setValue($v_projects)
	->setDatasource(new PhabricatorProjectDatasource()))
	->appendControl(
	id(new AphrontFormTokenizerControl())
	->setLabel(pht('Subscribers'))
	->setName('cc')
	->setValue($v_cc)
	->setUser($viewer)
	->setDatasource(new PhabricatorMetaMTAMailableDatasource()))
	->appendChild(
	id(new AphrontFormPolicyControl())
	->setViewer($viewer)
	->setName('viewPolicy')
	->setSpacePHID($v_space)
	->setPolicyObject($document)
	->setCapability($view_capability)
	->setPolicies($policies))
	->appendChild(
	id(new AphrontFormPolicyControl())
	->setName('editPolicy')
	->setPolicyObject($document)
	->setCapability($edit_capability)
	->setPolicies($policies))
	->appendChild(
	id(new AphrontFormTextControl())
	->setLabel(pht('Edit Notes'))
	->setValue($notes)
	->setError(null)
	->setName('description'));

	if ($is_draft_mode) {
	$form->appendControl(
	id(new AphrontFormSubmitControl())
	->addCancelButton($cancel_uri)
	->setValue(pht('Save Draft')));
	} else {
	$submit = id(new AphrontFormSubmitControl());

	if (!$is_new) {
	$draft_button = id(new PHUIButtonView())
	->setTag('input')
	->setName('draft')
	->setText(pht('Save as Draft'))
	->setColor(PHUIButtonView::GREEN);
	$submit->addButton($draft_button);
	}

	$submit
	->addCancelButton($cancel_uri)
	->setValue($submit_button);

	$form->appendControl($submit);
	}

	$form_box = id(new PHUIObjectBoxView())
	->setHeaderText($page_title)
	->setValidationException($validation_exception)
	->setBackground(PHUIObjectBoxView::WHITE_CONFIG)
	->setForm($form);

	$preview_uri = '/phriction/preview/';
	$preview_uri = new PhutilURI(
	$preview_uri,
	array(
	'slug' => $document->getSlug(),
	));
	$preview_uri = phutil_string_cast($preview_uri);

	$preview = id(new PHUIRemarkupPreviewPanel())
	->setHeader($content->getTitle())
	->setPreviewURI($preview_uri)
	->setControlID('document-textarea')
	->setPreviewType(PHUIRemarkupPreviewPanel::DOCUMENT);

	$crumbs = $this->buildApplicationCrumbs();
	if ($document->getID()) {
	$crumbs->addTextCrumb(
	$content->getTitle(),
	PhrictionDocument::getSlugURI($document->getSlug()));
	$crumbs->addTextCrumb(pht('Edit'));
	} else {
	$crumbs->addTextCrumb(pht('Create'));
	}
	$crumbs->setBorder(true);

	$view = id(new PHUITwoColumnView())
	->setFooter(
	array(
	$form_box,
	$preview,
	));

	return $this->newPage()
	->setTitle($page_title)
	->setCrumbs($crumbs)
	->appendChild($view);
	}

	}

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