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ConpherenceThread.php
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Sat, May 31, 17:36

ConpherenceThread.php
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<?php
final class ConpherenceThread extends ConpherenceDAO
implements
PhabricatorPolicyInterface,
PhabricatorApplicationTransactionInterface,
PhabricatorMentionableInterface,
PhabricatorDestructibleInterface {
protected $title;
protected $imagePHIDs = array();
protected $messageCount;
protected $recentParticipantPHIDs = array();
protected $mailKey;
protected $viewPolicy;
protected $editPolicy;
protected $joinPolicy;
private $participants = self::ATTACHABLE;
private $transactions = self::ATTACHABLE;
private $handles = self::ATTACHABLE;
private $filePHIDs = self::ATTACHABLE;
private $widgetData = self::ATTACHABLE;
private $images = self::ATTACHABLE;
public static function initializeNewRoom(PhabricatorUser $sender) {
$default_policy = id(new ConpherenceThreadMembersPolicyRule())
->getObjectPolicyFullKey();
return id(new ConpherenceThread())
->setMessageCount(0)
->setTitle('')
->attachParticipants(array())
->attachFilePHIDs(array())
->attachImages(array())
->setViewPolicy($default_policy)
->setEditPolicy($default_policy)
->setJoinPolicy($default_policy);
}
protected function getConfiguration() {
return array(
self::CONFIG_AUX_PHID => true,
self::CONFIG_SERIALIZATION => array(
'recentParticipantPHIDs' => self::SERIALIZATION_JSON,
'imagePHIDs' => self::SERIALIZATION_JSON,
),
self::CONFIG_COLUMN_SCHEMA => array(
'title' => 'text255?',
'messageCount' => 'uint64',
'mailKey' => 'text20',
'joinPolicy' => 'policy',
),
self::CONFIG_KEY_SCHEMA => array(
'key_phid' => null,
'phid' => array(
'columns' => array('phid'),
'unique' => true,
),
),
) + parent::getConfiguration();
}
public function generatePHID() {
return PhabricatorPHID::generateNewPHID(
PhabricatorConpherenceThreadPHIDType::TYPECONST);
}
public function save() {
if (!$this->getMailKey()) {
$this->setMailKey(Filesystem::readRandomCharacters(20));
}
return parent::save();
}
public function getMonogram() {
return 'Z'.$this->getID();
}
public function getImagePHID($size) {
$image_phids = $this->getImagePHIDs();
return idx($image_phids, $size);
}
public function setImagePHID($phid, $size) {
$image_phids = $this->getImagePHIDs();
$image_phids[$size] = $phid;
return $this->setImagePHIDs($image_phids);
}
public function getImage($size) {
$images = $this->getImages();
return idx($images, $size);
}
public function setImage(PhabricatorFile $file, $size) {
$files = $this->getImages();
$files[$size] = $file;
return $this->attachImages($files);
}
public function attachImages(array $files) {
assert_instances_of($files, 'PhabricatorFile');
$this->images = $files;
return $this;
}
private function getImages() {
return $this->assertAttached($this->images);
}
public function attachParticipants(array $participants) {
assert_instances_of($participants, 'ConpherenceParticipant');
$this->participants = $participants;
return $this;
}
public function getParticipants() {
return $this->assertAttached($this->participants);
}
public function getParticipant($phid) {
$participants = $this->getParticipants();
return $participants[$phid];
}
public function getParticipantIfExists($phid, $default = null) {
$participants = $this->getParticipants();
return idx($participants, $phid, $default);
}
public function getParticipantPHIDs() {
$participants = $this->getParticipants();
return array_keys($participants);
}
public function attachHandles(array $handles) {
assert_instances_of($handles, 'PhabricatorObjectHandle');
$this->handles = $handles;
return $this;
}
public function getHandles() {
return $this->assertAttached($this->handles);
}
public function attachTransactions(array $transactions) {
assert_instances_of($transactions, 'ConpherenceTransaction');
$this->transactions = $transactions;
return $this;
}
public function getTransactions($assert_attached = true) {
return $this->assertAttached($this->transactions);
}
public function hasAttachedTransactions() {
return $this->transactions !== self::ATTACHABLE;
}
public function getTransactionsFrom($begin = 0, $amount = null) {
$length = count($this->transactions);
return array_slice(
$this->getTransactions(),
$length - $begin - $amount,
$amount);
}
public function attachFilePHIDs(array $file_phids) {
$this->filePHIDs = $file_phids;
return $this;
}
public function getFilePHIDs() {
return $this->assertAttached($this->filePHIDs);
}
public function attachWidgetData(array $widget_data) {
$this->widgetData = $widget_data;
return $this;
}
public function getWidgetData() {
return $this->assertAttached($this->widgetData);
}
public function loadImageURI($size) {
$file = $this->getImage($size);
if ($file) {
return $file->getBestURI();
}
return PhabricatorUser::getDefaultProfileImageURI();
}
/**
* Get a thread title which doesn't require handles to be attached.
*
* This is a less rich title than @{method:getDisplayTitle}, but does not
* require handles to be attached. We use it to build thread handles without
* risking cycles or recursion while querying.
*
* @return string Lower quality human-readable title.
*/
public function getStaticTitle() {
$title = $this->getTitle();
if (strlen($title)) {
return $title;
}
return pht('Private Room');
}
/**
* Get the thread's display title for a user.
*
* If a thread doesn't have a title set, this will return a string describing
* recent participants.
*
* @param PhabricatorUser Viewer.
* @return string Thread title.
*/
public function getDisplayTitle(PhabricatorUser $viewer) {
$title = $this->getTitle();
if (strlen($title)) {
return $title;
}
return $this->getRecentParticipantsString($viewer);
}
/**
* Get recent participants (other than the viewer) as a string.
*
* For example, this method might return "alincoln, htaft, gwashington...".
*
* @param PhabricatorUser Viewer.
* @return string Description of other participants.
*/
private function getRecentParticipantsString(PhabricatorUser $viewer) {
$handles = $this->getHandles();
$phids = $this->getOtherRecentParticipantPHIDs($viewer);
if (count($phids) == 0) {
$phids[] = $viewer->getPHID();
$more = false;
} else {
$limit = 3;
$more = (count($phids) > $limit);
$phids = array_slice($phids, 0, $limit);
}
$names = array_select_keys($handles, $phids);
$names = mpull($names, 'getName');
$names = implode(', ', $names);
if ($more) {
$names = $names.'...';
}
return $names;
}
/**
* Get PHIDs for recent participants who are not the viewer.
*
* @param PhabricatorUser Viewer.
* @return list<phid> Participants who are not the viewer.
*/
private function getOtherRecentParticipantPHIDs(PhabricatorUser $viewer) {
$phids = $this->getRecentParticipantPHIDs();
$phids = array_fuse($phids);
unset($phids[$viewer->getPHID()]);
return array_values($phids);
}
public function getDisplayData(PhabricatorUser $viewer) {
$handles = $this->getHandles();
if ($this->hasAttachedTransactions()) {
$transactions = $this->getTransactions();
} else {
$transactions = array();
}
if ($transactions) {
$subtitle_mode = 'message';
} else {
$subtitle_mode = 'recent';
}
$lucky_phid = head($this->getOtherRecentParticipantPHIDs($viewer));
if ($lucky_phid) {
$lucky_handle = $handles[$lucky_phid];
} else {
// This will be just the user talking to themselves. Weirdo.
$lucky_handle = reset($handles);
}
$img_src = null;
$size = ConpherenceImageData::SIZE_CROP;
if ($this->getImagePHID($size)) {
$img_src = $this->getImage($size)->getBestURI();
} else if ($lucky_handle) {
$img_src = $lucky_handle->getImageURI();
}
$message_title = null;
if ($subtitle_mode == 'message') {
$message_transaction = null;
foreach ($transactions as $transaction) {
switch ($transaction->getTransactionType()) {
case PhabricatorTransactions::TYPE_COMMENT:
$message_transaction = $transaction;
break 2;
default:
break;
}
}
if ($message_transaction) {
$message_handle = $handles[$message_transaction->getAuthorPHID()];
$message_title = sprintf(
'%s: %s',
$message_handle->getName(),
id(new PhutilUTF8StringTruncator())
->setMaximumGlyphs(60)
->truncateString(
$message_transaction->getComment()->getContent()));
}
}
switch ($subtitle_mode) {
case 'recent':
$subtitle = $this->getRecentParticipantsString($viewer);
break;
case 'message':
if ($message_title) {
$subtitle = $message_title;
} else {
$subtitle = $this->getRecentParticipantsString($viewer);
}
break;
}
$user_participation = $this->getParticipantIfExists($viewer->getPHID());
if ($user_participation) {
$user_seen_count = $user_participation->getSeenMessageCount();
} else {
$user_seen_count = 0;
}
$unread_count = $this->getMessageCount() - $user_seen_count;
$title = $this->getDisplayTitle($viewer);
return array(
'title' => $title,
'subtitle' => $subtitle,
'unread_count' => $unread_count,
'epoch' => $this->getDateModified(),
'image' => $img_src,
);
}
/* -( PhabricatorPolicyInterface Implementation )-------------------------- */
public function getCapabilities() {
return array(
PhabricatorPolicyCapability::CAN_VIEW,
PhabricatorPolicyCapability::CAN_EDIT,
PhabricatorPolicyCapability::CAN_JOIN,
);
}
public function getPolicy($capability) {
switch ($capability) {
case PhabricatorPolicyCapability::CAN_VIEW:
return $this->getViewPolicy();
case PhabricatorPolicyCapability::CAN_EDIT:
return $this->getEditPolicy();
case PhabricatorPolicyCapability::CAN_JOIN:
return $this->getJoinPolicy();
}
return PhabricatorPolicies::POLICY_NOONE;
}
public function hasAutomaticCapability($capability, PhabricatorUser $user) {
// this bad boy isn't even created yet so go nuts $user
if (!$this->getID()) {
return true;
}
switch ($capability) {
case PhabricatorPolicyCapability::CAN_EDIT:
case PhabricatorPolicyCapability::CAN_JOIN:
return false;
}
$participants = $this->getParticipants();
return isset($participants[$user->getPHID()]);
}
public function describeAutomaticCapability($capability) {
switch ($capability) {
case PhabricatorPolicyCapability::CAN_VIEW:
return pht('Participants in a room can always view it.');
break;
}
}
public static function loadViewPolicyObjects(
PhabricatorUser $viewer,
array $conpherences) {
assert_instances_of($conpherences, __CLASS__);
$policies = array();
foreach ($conpherences as $room) {
$policies[$room->getViewPolicy()] = 1;
}
$policy_objects = array();
if ($policies) {
$policy_objects = id(new PhabricatorPolicyQuery())
->setViewer($viewer)
->withPHIDs(array_keys($policies))
->execute();
}
return $policy_objects;
}
public function getPolicyIconName(array $policy_objects) {
assert_instances_of($policy_objects, 'PhabricatorPolicy');
$icon = $policy_objects[$this->getViewPolicy()]->getIcon();
return $icon;
}
/* -( PhabricatorApplicationTransactionInterface )------------------------- */
public function getApplicationTransactionEditor() {
return new ConpherenceEditor();
}
public function getApplicationTransactionObject() {
return $this;
}
public function getApplicationTransactionTemplate() {
return new ConpherenceTransaction();
}
public function willRenderTimeline(
PhabricatorApplicationTransactionView $timeline,
AphrontRequest $request) {
return $timeline;
}
/* -( PhabricatorDestructibleInterface )----------------------------------- */
public function destroyObjectPermanently(
PhabricatorDestructionEngine $engine) {
$this->openTransaction();
$this->delete();
$participants = id(new ConpherenceParticipant())
->loadAllWhere('conpherencePHID = %s', $this->getPHID());
foreach ($participants as $participant) {
$participant->delete();
}
$this->saveTransaction();
}
}

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