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phorge/src/applications/phriction/editor/PhrictionDocumentEditor.php
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PhrictionDocumentEditor.php
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<?php
/**
* Create or update Phriction documents.
*/
final class PhrictionDocumentEditor extends PhabricatorEditor {
private $document;
private $content;
private $newTitle;
private $newContent;
private $description;
// For the Feed Story when moving documents
private $fromDocumentPHID;
private function __construct() {
// <restricted>
}
public static function newForSlug($slug) {
$slug = PhabricatorSlug::normalize($slug);
// TODO: Get rid of this.
$document = id(new PhrictionDocument())->loadOneWhere(
'slug = %s',
$slug);
$content = null;
if ($document) {
$content = id(new PhrictionContent())->load($document->getContentID());
} else {
$document = new PhrictionDocument();
$document->setSlug($slug);
}
if (!$content) {
$default_title = PhabricatorSlug::getDefaultTitle($slug);
$content = new PhrictionContent();
$content->setSlug($slug);
$content->setTitle($default_title);
$content->setContent('');
}
$obj = new PhrictionDocumentEditor();
$obj->document = $document;
$obj->content = $content;
return $obj;
}
public function setTitle($title) {
$this->newTitle = $title;
return $this;
}
public function setContent($content) {
$this->newContent = $content;
return $this;
}
public function setDescription($description) {
$this->description = $description;
return $this;
}
public function getDocument() {
return $this->document;
}
public function moveAway($new_doc_id) {
return $this->execute(
PhrictionChangeType::CHANGE_MOVE_AWAY, true, $new_doc_id);
}
public function moveHere($old_doc_id, $old_doc_phid) {
$this->fromDocumentPHID = $old_doc_phid;
return $this->execute(
PhrictionChangeType::CHANGE_MOVE_HERE, false, $old_doc_id);
}
private function execute(
$change_type, $del_new_content = true, $doc_ref = null) {
$actor = $this->requireActor();
$document = $this->document;
$content = $this->content;
$new_content = $this->buildContentTemplate($document, $content);
$new_content->setChangeType($change_type);
if ($del_new_content) {
$new_content->setContent('');
}
if ($doc_ref) {
$new_content->setChangeRef($doc_ref);
}
return $this->updateDocument($document, $content, $new_content);
}
public function delete() {
return $this->execute(PhrictionChangeType::CHANGE_DELETE, true);
}
private function stub() {
return $this->execute(PhrictionChangeType::CHANGE_STUB, true);
}
public function save() {
$actor = $this->requireActor();
if ($this->newContent === '') {
// If this is an edit which deletes all the content, just treat it as
// a delete. NOTE: null means "don't change the content", not "delete
// the page"! Thus the strict type check.
return $this->delete();
}
$document = $this->document;
$content = $this->content;
$new_content = $this->buildContentTemplate($document, $content);
return $this->updateDocument($document, $content, $new_content);
}
private function buildContentTemplate(
PhrictionDocument $document,
PhrictionContent $content) {
$new_content = new PhrictionContent();
$new_content->setSlug($document->getSlug());
$new_content->setAuthorPHID($this->getActor()->getPHID());
$new_content->setChangeType(PhrictionChangeType::CHANGE_EDIT);
$new_content->setTitle(
coalesce(
$this->newTitle,
$content->getTitle()));
$new_content->setContent(
coalesce(
$this->newContent,
$content->getContent()));
if (strlen($this->description)) {
$new_content->setDescription($this->description);
}
return $new_content;
}
private function updateDocument($document, $content, $new_content) {
$is_new = false;
if (!$document->getID()) {
$is_new = true;
}
$new_content->setVersion($content->getVersion() + 1);
$change_type = $new_content->getChangeType();
switch ($change_type) {
case PhrictionChangeType::CHANGE_EDIT:
$doc_status = PhrictionDocumentStatus::STATUS_EXISTS;
$feed_action = $is_new
? PhrictionActionConstants::ACTION_CREATE
: PhrictionActionConstants::ACTION_EDIT;
break;
case PhrictionChangeType::CHANGE_DELETE:
$doc_status = PhrictionDocumentStatus::STATUS_DELETED;
$feed_action = PhrictionActionConstants::ACTION_DELETE;
if ($is_new) {
throw new Exception(
"You can not delete a document which doesn't exist yet!");
}
break;
case PhrictionChangeType::CHANGE_STUB:
$doc_status = PhrictionDocumentStatus::STATUS_STUB;
$feed_action = null;
break;
case PhrictionChangeType::CHANGE_MOVE_AWAY:
$doc_status = PhrictionDocumentStatus::STATUS_MOVED;
$feed_action = null;
break;
case PhrictionChangeType::CHANGE_MOVE_HERE:
$doc_status = PhrictionDocumentStatus::STATUS_EXISTS;
$feed_action = PhrictionActionConstants::ACTION_MOVE_HERE;
break;
default:
throw new Exception(
"Unsupported content change type '{$change_type}'!");
}
$document->setStatus($doc_status);
// TODO: This should be transactional.
if ($is_new) {
$document->save();
}
$new_content->setDocumentID($document->getID());
$new_content->save();
$document->setContentID($new_content->getID());
$document->save();
$document->attachContent($new_content);
id(new PhabricatorSearchIndexer())
->queueDocumentForIndexing($document->getPHID());
// Stub out empty parent documents if they don't exist
$ancestral_slugs = PhabricatorSlug::getAncestry($document->getSlug());
if ($ancestral_slugs) {
$ancestors = id(new PhrictionDocument())->loadAllWhere(
'slug IN (%Ls)',
$ancestral_slugs);
$ancestors = mpull($ancestors, null, 'getSlug');
foreach ($ancestral_slugs as $slug) {
// We check for change type to prevent near-infinite recursion
if (!isset($ancestors[$slug]) &&
$new_content->getChangeType() != PhrictionChangeType::CHANGE_STUB) {
id(PhrictionDocumentEditor::newForSlug($slug))
->setActor($this->getActor())
->setTitle(PhabricatorSlug::getDefaultTitle($slug))
->setContent('')
->setDescription(pht('Empty Parent Document'))
->stub();
}
}
}
$project_phid = null;
$slug = $document->getSlug();
if (PhrictionDocument::isProjectSlug($slug)) {
$project = id(new PhabricatorProjectQuery())
->setViewer($this->requireActor())
->withPhrictionSlugs(array(
PhrictionDocument::getProjectSlugIdentifier($slug)))
->executeOne();
if ($project) {
$project_phid = $project->getPHID();
}
}
$related_phids = array(
$document->getPHID(),
$this->getActor()->getPHID(),
);
if ($project_phid) {
$related_phids[] = $project_phid;
}
if ($this->fromDocumentPHID) {
$related_phids[] = $this->fromDocumentPHID;
}
if ($feed_action) {
id(new PhabricatorFeedStoryPublisher())
->setRelatedPHIDs($related_phids)
->setStoryAuthorPHID($this->getActor()->getPHID())
->setStoryTime(time())
->setStoryType(PhabricatorFeedStoryTypeConstants::STORY_PHRICTION)
->setStoryData(
array(
'phid' => $document->getPHID(),
'action' => $feed_action,
'content' => phutil_utf8_shorten($new_content->getContent(), 140),
'project' => $project_phid,
'movedFromPHID' => $this->fromDocumentPHID,
))
->publish();
}
// TODO: Migrate to ApplicationTransactions fast, so we get rid of this code
$subscribers = PhabricatorSubscribersQuery::loadSubscribersForPHID(
$document->getPHID());
$this->sendMailToSubscribers($subscribers, $content);
return $this;
}
private function getChangeTypeDescription($const, $title) {
$map = array(
PhrictionChangeType::CHANGE_EDIT =>
pht('Phriction Document %s was edited.', $title),
PhrictionChangeType::CHANGE_DELETE =>
pht('Phriction Document %s was deleted.', $title),
PhrictionChangeType::CHANGE_MOVE_HERE =>
pht('Phriction Document %s was moved here.', $title),
PhrictionChangeType::CHANGE_MOVE_AWAY =>
pht('Phriction Document %s was moved away.', $title),
PhrictionChangeType::CHANGE_STUB =>
pht('Phriction Document %s was created through child.', $title),
);
return idx($map, $const, pht('Something magical occurred.'));
}
private function sendMailToSubscribers(array $subscribers, $old_content) {
if (!$subscribers) {
return;
}
$author_phid = $this->getActor()->getPHID();
$document = $this->document;
$content = $document->getContent();
$slug_uri = PhrictionDocument::getSlugURI($document->getSlug());
$diff_uri = new PhutilURI('/phriction/diff/'.$document->getID().'/');
$prod_uri = PhabricatorEnv::getProductionURI('');
$vs_head = $diff_uri
->alter('l', $old_content->getVersion())
->alter('r', $content->getVersion());
$old_title = $old_content->getTitle();
$title = $content->getTitle();
$name = $this->getChangeTypeDescription($content->getChangeType(), $title);
$action = PhrictionChangeType::getChangeTypeLabel(
$content->getChangeType());
$body = array($name);
// Content may have changed, you never know
if ($content->getChangeType() == PhrictionChangeType::CHANGE_EDIT) {
if ($old_title != $title) {
$body[] = pht('Title was changed from "%s" to "%s"',
$old_title, $title);
}
$body[] = pht("Link to new version:\n%s",
$prod_uri.$slug_uri.'?v='.$content->getVersion());
$body[] = pht("Link to diff:\n%s", $prod_uri.$vs_head);
} else if ($content->getChangeType() ==
PhrictionChangeType::CHANGE_MOVE_AWAY) {
$target_document = id(new PhrictionDocument())
->load($content->getChangeRef());
$slug_uri = PhrictionDocument::getSlugURI($target_document->getSlug());
$body[] = pht("Link to destination document:\n%s", $prod_uri.$slug_uri);
}
$body = implode("\n\n", $body);
$subject_prefix = $this->getMailSubjectPrefix();
$mail = new PhabricatorMetaMTAMail();
$mail->setSubject($name)
->setSubjectPrefix($subject_prefix)
->setVarySubjectPrefix('['.$action.']')
->addHeader('Thread-Topic', $name)
->setFrom($author_phid)
->addTos($subscribers)
->setBody($body)
->setRelatedPHID($document->getPHID())
->setIsBulk(true);
$mail->saveAndSend();
}
/* --( For less copy-pasting when switching to ApplicationTransactions )--- */
protected function getMailSubjectPrefix() {
return PhabricatorEnv::getEnvConfig('metamta.phriction.subject-prefix');
}
}

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