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phab/src/applications/phriction/controller/PhrictionDocumentController.php
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PhrictionDocumentController.php
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<?php
/**
* @group phriction
*/
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 PhrictionDocument())->loadOneWhere(
'slug = %s',
$slug);
$version_note = null;
if (!$document) {
$document = new PhrictionDocument();
if (PhrictionDocument::isProjectSlug($slug)) {
$project = id(new PhabricatorProject())->loadOneWhere(
'phrictionSlug = %s',
PhrictionDocument::getProjectSlugIdentifier($slug));
if (!$project) {
return new Aphront404Response();
}
}
$create_uri = '/phriction/edit/?slug='.$slug;
$page_content = hsprintf(
'<div class="phriction-content">'.
'<em>No content here!</em><br />'.
'No document found at <tt>%s</tt>. '.
'You can <strong><a href="%s">create a new document</a></strong>.'.
'</div>',
$slug,
$create_uri);
$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->setTitle('Older Version');
$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();
$project_phid = null;
if (PhrictionDocument::isProjectSlug($slug)) {
$project = id(new PhabricatorProject())->loadOneWhere(
'phrictionSlug = %s',
PhrictionDocument::getProjectSlugIdentifier($slug));
if ($project) {
$project_phid = $project->getPHID();
}
}
$phids = array_filter(
array(
$content->getAuthorPHID(),
$project_phid,
));
$handles = $this->loadViewerHandles($phids);
$age = time() - $content->getDateCreated();
$age = floor($age / (60 * 60 * 24));
if ($age < 1) {
$when = 'today';
} else if ($age == 1) {
$when = 'yesterday';
} else {
$when = "{$age} days ago";
}
$project_info = null;
if ($project_phid) {
$project_info =
'<br />This document is about the project '.
$handles[$project_phid]->renderLink().'.';
}
$index_link = phutil_tag(
'a',
array(
'href' => '/phriction/',
),
pht('Document Index'));
$byline =
'<div class="phriction-byline">'.
"Last updated {$when} by ".
$handles[$content->getAuthorPHID()]->renderLink().'.'.
$project_info.
'</div>';
$doc_status = $document->getStatus();
if ($doc_status == PhrictionDocumentStatus::STATUS_EXISTS) {
$core_content = $content->renderContent($user);
} else if ($doc_status == PhrictionDocumentStatus::STATUS_DELETED) {
$notice = new AphrontErrorView();
$notice->setSeverity(AphrontErrorView::SEVERITY_NOTICE);
$notice->setTitle('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 = $notice->render();
} else {
throw new Exception("Unknown document status '{$doc_status}'!");
}
$page_content =
'<div class="phriction-content">'.
$index_link.
$byline.
$core_content.
'</div>';
}
if ($version_note) {
$version_note = $version_note->render();
}
$children = $this->renderChildren($slug);
$crumbs = $this->buildApplicationCrumbs();
$crumb_views = $this->renderBreadcrumbs($slug);
foreach ($crumb_views as $view) {
$crumbs->addCrumb($view);
}
$actions = $this->buildActionView($user, $document);
$header = id(new PhabricatorHeaderView())
->setHeader($page_title);
$page =
$crumbs->render().
$header->render().
$actions->render().
$version_note.
$page_content.
$children;
return $this->buildApplicationPage(
array(
$page,
),
array(
'title' => $page_title,
'device' => true,
));
}
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)
->setObject($document)
->addAction(
id(new PhabricatorActionView())
->setName(pht('Edit Document'))
->setIcon('edit')
->setHref('/phriction/edit/'.$document->getID().'/'));
if ($document->getStatus() == PhrictionDocumentStatus::STATUS_EXISTS) {
$action_view->addAction(
id(new PhabricatorActionView())
->setName(pht('Delete Document'))
->setIcon('delete')
->setHref('/phriction/delete/'.$document->getID().'/')
->setWorkflow(true));
}
return
$action_view->addAction(
id(new PhabricatorActionView())
->setName(pht('View History'))
->setIcon('history')
->setHref(PhrictionDocument::getSlugURI($slug, 'history')));
}
private function renderChildren($slug) {
$document_dao = new PhrictionDocument();
$content_dao = new PhrictionContent();
$conn = $document_dao->establishConnection('r');
$limit = 50;
$d_child = PhabricatorSlug::getDepth($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 = %d
ORDER BY d.depth, c.title LIMIT %d',
$document_dao->getTableName(),
$content_dao->getTableName(),
($slug == '/' ? '' : $slug),
$d_child,
$d_grandchild,
PhrictionDocumentStatus::STATUS_EXISTS,
$limit);
if (!$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();
$list[] = '<ul>';
foreach ($children as $child) {
$list[] = $this->renderChildDocumentLink($child);
$grand = idx($grandchildren, $child['slug'], array());
if ($grand) {
$list[] = '<ul>';
foreach ($grand as $grandchild) {
$list[] = $this->renderChildDocumentLink($grandchild);
}
$list[] = '</ul>';
}
}
if ($more_children) {
$list[] = '<li>'.pht('More...').'</li>';
}
$list[] = '</ul>';
$list = implode("\n", $list);
return
'<div class="phriction-children">'.
'<div class="phriction-children-header">'.
pht('Document Hierarchy').
'</div>'.
$list.
'</div>';
}
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'])) {
$item = '<em>'.$item.'</em>';
}
return '<li>'.$item.'</li>';
}
}
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