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phab/src/applications/phriction/controller/PhrictionDocumentController.php
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PhrictionDocumentController.php
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<?php
final class PhrictionDocumentController
extends PhrictionController {
private $slug;
public function willProcessRequest(array $data) {
$this->slug = $data['slug'];
}
public function processRequest() {
$request = $this->getRequest();
$user = $request->getUser();
$slug = PhabricatorSlug::normalize($this->slug);
if ($slug != $this->slug) {
$uri = PhrictionDocument::getSlugURI($slug);
// Canonicalize pages to their one true URI.
return id(new AphrontRedirectResponse())->setURI($uri);
}
require_celerity_resource('phriction-document-css');
$document = id(new PhrictionDocumentQuery())
->setViewer($user)
->withSlugs(array($slug))
->executeOne();
$version_note = null;
$core_content = '';
$move_notice = '';
$properties = null;
if (!$document) {
$document = new PhrictionDocument();
if (PhrictionDocument::isProjectSlug($slug)) {
$project = id(new PhabricatorProjectQuery())
->setViewer($user)
->withPhrictionSlugs(array(
PhrictionDocument::getProjectSlugIdentifier($slug)))
->executeOne();
if (!$project) {
return new Aphront404Response();
}
}
$create_uri = '/phriction/edit/?slug='.$slug;
$notice = new AphrontErrorView();
$notice->setSeverity(AphrontErrorView::SEVERITY_NODATA);
$notice->setTitle(pht('No content here!'));
$notice->appendChild(
pht(
'No document found at %s. You can <strong>'.
'<a href="%s">create a new document here</a></strong>.',
phutil_tag('tt', array(), $slug),
$create_uri));
$core_content = $notice;
$page_title = pht('Page Not Found');
} else {
$version = $request->getInt('v');
if ($version) {
$content = id(new PhrictionContent())->loadOneWhere(
'documentID = %d AND version = %d',
$document->getID(),
$version);
if (!$content) {
return new Aphront404Response();
}
if ($content->getID() != $document->getContentID()) {
$vdate = phabricator_datetime($content->getDateCreated(), $user);
$version_note = new AphrontErrorView();
$version_note->setSeverity(AphrontErrorView::SEVERITY_NOTICE);
$version_note->appendChild(
pht('You are viewing an older version of this document, as it '.
'appeared on %s.', $vdate));
}
} else {
$content = id(new PhrictionContent())->load($document->getContentID());
}
$page_title = $content->getTitle();
$properties = $this
->buildPropertyListView($document, $content, $slug);
$doc_status = $document->getStatus();
$current_status = $content->getChangeType();
if ($current_status == PhrictionChangeType::CHANGE_EDIT ||
$current_status == PhrictionChangeType::CHANGE_MOVE_HERE) {
$core_content = $content->renderContent($user);
} else if ($current_status == PhrictionChangeType::CHANGE_DELETE) {
$notice = new AphrontErrorView();
$notice->setSeverity(AphrontErrorView::SEVERITY_NOTICE);
$notice->setTitle(pht('Document Deleted'));
$notice->appendChild(
pht('This document has been deleted. You can edit it to put new '.
'content here, or use history to revert to an earlier version.'));
$core_content = $notice->render();
} else if ($current_status == PhrictionChangeType::CHANGE_STUB) {
$notice = new AphrontErrorView();
$notice->setSeverity(AphrontErrorView::SEVERITY_NOTICE);
$notice->setTitle(pht('Empty Document'));
$notice->appendChild(
pht('This document is empty. You can edit it to put some proper '.
'content here.'));
$core_content = $notice->render();
} else if ($current_status == PhrictionChangeType::CHANGE_MOVE_AWAY) {
$new_doc_id = $content->getChangeRef();
$slug_uri = null;
// If the new document exists and the viewer can see it, provide a link
// to it. Otherwise, render a generic message.
$new_docs = id(new PhrictionDocumentQuery())
->setViewer($user)
->withIDs(array($new_doc_id))
->execute();
if ($new_docs) {
$new_doc = head($new_docs);
$slug_uri = PhrictionDocument::getSlugURI($new_doc->getSlug());
}
$notice = id(new AphrontErrorView())
->setSeverity(AphrontErrorView::SEVERITY_NOTICE);
if ($slug_uri) {
$notice->appendChild(
phutil_tag(
'p',
array(),
pht(
'This document has been moved to %s. You can edit it to put '.
'new content here, or use history to revert to an earlier '.
'version.',
phutil_tag('a', array('href' => $slug_uri), $slug_uri))));
} else {
$notice->appendChild(
phutil_tag(
'p',
array(),
pht(
'This document has been moved. You can edit it to put new '.
'contne here, or use history to revert to an earlier '.
'version.')));
}
$core_content = $notice->render();
} else {
throw new Exception("Unknown document status '{$doc_status}'!");
}
$move_notice = null;
if ($current_status == PhrictionChangeType::CHANGE_MOVE_HERE) {
$from_doc_id = $content->getChangeRef();
$slug_uri = null;
// If the old document exists and is visible, provide a link to it.
$from_docs = id(new PhrictionDocumentQuery())
->setViewer($user)
->withIDs(array($from_doc_id))
->execute();
if ($from_docs) {
$from_doc = head($from_docs);
$slug_uri = PhrictionDocument::getSlugURI($from_doc->getSlug());
}
$move_notice = id(new AphrontErrorView())
->setSeverity(AphrontErrorView::SEVERITY_NOTICE);
if ($slug_uri) {
$move_notice->appendChild(
pht(
'This document was moved from %s.',
phutil_tag('a', array('href' => $slug_uri), $slug_uri)));
} else {
// Render this for consistency, even though it's a bit silly.
$move_notice->appendChild(
pht('This document was moved from elsewhere.'));
}
}
}
$children = $this->renderDocumentChildren($slug);
$actions = $this->buildActionView($user, $document);
$crumbs = $this->buildApplicationCrumbs();
$crumbs->setActionList($actions);
$crumb_views = $this->renderBreadcrumbs($slug);
foreach ($crumb_views as $view) {
$crumbs->addCrumb($view);
}
$header = id(new PHUIHeaderView())
->setHeader($page_title);
$prop_list = null;
if ($properties) {
$prop_list = new PHUIPropertyGroupView();
$prop_list->addPropertyList($properties);
}
$page_content = id(new PHUIDocumentView())
->setOffset(true)
->setHeader($header)
->appendChild(
array(
$actions,
$prop_list,
$version_note,
$move_notice,
$core_content,
));
$core_page = phutil_tag(
'div',
array(
'class' => 'phriction-offset'
),
array(
$page_content,
$children,
));
return $this->buildApplicationPage(
array(
$crumbs->render(),
$core_page,
),
array(
'pageObjects' => array($document->getPHID()),
'title' => $page_title,
));
}
private function buildPropertyListView(
PhrictionDocument $document,
PhrictionContent $content,
$slug) {
$viewer = $this->getRequest()->getUser();
$view = id(new PHUIPropertyListView())
->setUser($viewer)
->setObject($document);
$project_phid = null;
if (PhrictionDocument::isProjectSlug($slug)) {
$project = id(new PhabricatorProjectQuery())
->setViewer($viewer)
->withPhrictionSlugs(array(
PhrictionDocument::getProjectSlugIdentifier($slug)))
->executeOne();
if ($project) {
$project_phid = $project->getPHID();
}
}
$phids = array_filter(
array(
$content->getAuthorPHID(),
$project_phid,
));
$this->loadHandles($phids);
$project_info = null;
if ($project_phid) {
$view->addProperty(
pht('Project Info'),
$this->getHandle($project_phid)->renderLink());
}
$view->addProperty(
pht('Last Author'),
$this->getHandle($content->getAuthorPHID())->renderLink());
$age = time() - $content->getDateCreated();
$age = floor($age / (60 * 60 * 24));
if ($age < 1) {
$when = pht('Today');
} else if ($age == 1) {
$when = pht('Yesterday');
} else {
$when = pht('%d Days Ago', $age);
}
$view->addProperty(pht('Last Updated'), $when);
return $view;
}
private function buildActionView(
PhabricatorUser $user,
PhrictionDocument $document) {
$can_edit = PhabricatorPolicyFilter::hasCapability(
$user,
$document,
PhabricatorPolicyCapability::CAN_EDIT);
$slug = PhabricatorSlug::normalize($this->slug);
$action_view = id(new PhabricatorActionListView())
->setUser($user)
->setObjectURI($this->getRequest()->getRequestURI())
->setObject($document);
if (!$document->getID()) {
return $action_view->addAction(
id(new PhabricatorActionView())
->setName(pht('Create This Document'))
->setIcon('fa-plus-square')
->setHref('/phriction/edit/?slug='.$slug));
}
$action_view->addAction(
id(new PhabricatorActionView())
->setName(pht('Edit Document'))
->setIcon('fa-pencil')
->setHref('/phriction/edit/'.$document->getID().'/'));
if ($document->getStatus() == PhrictionDocumentStatus::STATUS_EXISTS) {
$action_view->addAction(
id(new PhabricatorActionView())
->setName(pht('Move Document'))
->setIcon('fa-arrows')
->setHref('/phriction/move/'.$document->getID().'/')
->setWorkflow(true));
$action_view->addAction(
id(new PhabricatorActionView())
->setName(pht('Delete Document'))
->setIcon('fa-times')
->setHref('/phriction/delete/'.$document->getID().'/')
->setWorkflow(true));
}
return
$action_view->addAction(
id(new PhabricatorActionView())
->setName(pht('View History'))
->setIcon('fa-list')
->setHref(PhrictionDocument::getSlugURI($slug, 'history')));
}
private function renderDocumentChildren($slug) {
$document_dao = new PhrictionDocument();
$content_dao = new PhrictionContent();
$conn = $document_dao->establishConnection('r');
$limit = 250;
$d_child = PhabricatorSlug::getDepth($slug) + 1;
$d_grandchild = PhabricatorSlug::getDepth($slug) + 2;
// Select children and grandchildren.
$children = queryfx_all(
$conn,
'SELECT d.slug, d.depth, c.title FROM %T d JOIN %T c
ON d.contentID = c.id
WHERE d.slug LIKE %> AND d.depth IN (%d, %d)
AND d.status IN (%Ld)
ORDER BY d.depth, c.title LIMIT %d',
$document_dao->getTableName(),
$content_dao->getTableName(),
($slug == '/' ? '' : $slug),
$d_child,
$d_grandchild,
array(
PhrictionDocumentStatus::STATUS_EXISTS,
PhrictionDocumentStatus::STATUS_STUB,
),
$limit);
if (!$children) {
return;
}
// We're going to render in one of three modes to try to accommodate
// different information scales:
//
// - If we found fewer than $limit rows, we know we have all the children
// and grandchildren and there aren't all that many. We can just render
// everything.
// - If we found $limit rows but the results included some grandchildren,
// we just throw them out and render only the children, as we know we
// have them all.
// - If we found $limit rows and the results have no grandchildren, we
// have a ton of children. Render them and then let the user know that
// this is not an exhaustive list.
if (count($children) == $limit) {
$more_children = true;
foreach ($children as $child) {
if ($child['depth'] == $d_grandchild) {
$more_children = false;
}
}
$show_grandchildren = false;
} else {
$show_grandchildren = true;
$more_children = false;
}
$grandchildren = array();
foreach ($children as $key => $child) {
if ($child['depth'] == $d_child) {
continue;
} else {
unset($children[$key]);
if ($show_grandchildren) {
$ancestors = PhabricatorSlug::getAncestry($child['slug']);
$grandchildren[end($ancestors)][] = $child;
}
}
}
// Fill in any missing children.
$known_slugs = ipull($children, null, 'slug');
foreach ($grandchildren as $slug => $ignored) {
if (empty($known_slugs[$slug])) {
$children[] = array(
'slug' => $slug,
'depth' => $d_child,
'title' => PhabricatorSlug::getDefaultTitle($slug),
'empty' => true,
);
}
}
$children = isort($children, 'title');
$list = array();
foreach ($children as $child) {
$list[] = hsprintf('<li>');
$list[] = $this->renderChildDocumentLink($child);
$grand = idx($grandchildren, $child['slug'], array());
if ($grand) {
$list[] = hsprintf('<ul>');
foreach ($grand as $grandchild) {
$list[] = hsprintf('<li>');
$list[] = $this->renderChildDocumentLink($grandchild);
$list[] = hsprintf('</li>');
}
$list[] = hsprintf('</ul>');
}
$list[] = hsprintf('</li>');
}
if ($more_children) {
$list[] = phutil_tag('li', array(), pht('More...'));
}
$content = array(
phutil_tag(
'div',
array(
'class' => 'phriction-children-header '.
'sprite-gradient gradient-lightblue-header',
),
pht('Document Hierarchy')),
phutil_tag(
'div',
array(
'class' => 'phriction-children',
),
phutil_tag('ul', array(), $list)),
);
return id(new PHUIDocumentView())
->setOffset(true)
->appendChild($content);
}
private function renderChildDocumentLink(array $info) {
$title = nonempty($info['title'], pht('(Untitled Document)'));
$item = phutil_tag(
'a',
array(
'href' => PhrictionDocument::getSlugURI($info['slug']),
),
$title);
if (isset($info['empty'])) {
$item = phutil_tag('em', array(), $item);
}
return $item;
}
protected function getDocumentSlug() {
return $this->slug;
}
}
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