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ConpherenceThreadQuery.php
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Fri, May 2, 20:20

ConpherenceThreadQuery.php
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<?php
final class ConpherenceThreadQuery
extends PhabricatorCursorPagedPolicyAwareQuery {
const TRANSACTION_LIMIT = 100;
private $phids;
private $ids;
private $participantPHIDs;
private $isRoom;
private $needParticipants;
private $needWidgetData;
private $needTransactions;
private $needParticipantCache;
private $needFilePHIDs;
private $afterTransactionID;
private $beforeTransactionID;
private $transactionLimit;
public function needFilePHIDs($need_file_phids) {
$this->needFilePHIDs = $need_file_phids;
return $this;
}
public function needParticipantCache($participant_cache) {
$this->needParticipantCache = $participant_cache;
return $this;
}
public function needParticipants($need) {
$this->needParticipants = $need;
return $this;
}
public function needWidgetData($need_widget_data) {
$this->needWidgetData = $need_widget_data;
return $this;
}
public function needTransactions($need_transactions) {
$this->needTransactions = $need_transactions;
return $this;
}
public function withIDs(array $ids) {
$this->ids = $ids;
return $this;
}
public function withPHIDs(array $phids) {
$this->phids = $phids;
return $this;
}
public function withParticipantPHIDs(array $phids) {
$this->participantPHIDs = $phids;
return $this;
}
public function withIsRoom($bool) {
$this->isRoom = $bool;
return $this;
}
public function setAfterTransactionID($id) {
$this->afterTransactionID = $id;
return $this;
}
public function setBeforeTransactionID($id) {
$this->beforeTransactionID = $id;
return $this;
}
public function setTransactionLimit($transaction_limit) {
$this->transactionLimit = $transaction_limit;
return $this;
}
public function getTransactionLimit() {
return $this->transactionLimit;
}
protected function loadPage() {
$table = new ConpherenceThread();
$conn_r = $table->establishConnection('r');
$data = queryfx_all(
$conn_r,
'SELECT conpherence_thread.* FROM %T conpherence_thread %Q %Q %Q %Q %Q',
$table->getTableName(),
$this->buildJoinClause($conn_r),
$this->buildWhereClause($conn_r),
$this->buildGroupClause($conn_r),
$this->buildOrderClause($conn_r),
$this->buildLimitClause($conn_r));
$conpherences = $table->loadAllFromArray($data);
if ($conpherences) {
$conpherences = mpull($conpherences, null, 'getPHID');
$this->loadParticipantsAndInitHandles($conpherences);
if ($this->needParticipantCache) {
$this->loadCoreHandles($conpherences, 'getRecentParticipantPHIDs');
}
if ($this->needWidgetData || $this->needParticipants) {
$this->loadCoreHandles($conpherences, 'getParticipantPHIDs');
}
if ($this->needTransactions) {
$this->loadTransactionsAndHandles($conpherences);
}
if ($this->needFilePHIDs || $this->needWidgetData) {
$this->loadFilePHIDs($conpherences);
}
if ($this->needWidgetData) {
$this->loadWidgetData($conpherences);
}
}
return $conpherences;
}
private function buildGroupClause($conn_r) {
if ($this->participantPHIDs !== null) {
return 'GROUP BY conpherence_thread.id';
} else {
return $this->buildApplicationSearchGroupClause($conn_r);
}
}
private function buildJoinClause($conn_r) {
$joins = array();
if ($this->participantPHIDs !== null) {
$joins[] = qsprintf(
$conn_r,
'JOIN %T p ON p.conpherencePHID = conpherence_thread.phid',
id(new ConpherenceParticipant())->getTableName());
}
$viewer = $this->getViewer();
if ($this->shouldJoinForViewer($viewer)) {
$joins[] = qsprintf(
$conn_r,
'LEFT JOIN %T v ON v.conpherencePHID = conpherence_thread.phid '.
'AND v.participantPHID = %s',
id(new ConpherenceParticipant())->getTableName(),
$viewer->getPHID());
}
$joins[] = $this->buildApplicationSearchJoinClause($conn_r);
return implode(' ', $joins);
}
private function shouldJoinForViewer(PhabricatorUser $viewer) {
if ($viewer->isLoggedIn() &&
$this->ids === null &&
$this->phids === null) {
return true;
}
return false;
}
protected function buildWhereClause(AphrontDatabaseConnection $conn_r) {
$where = array();
$where[] = $this->buildPagingClause($conn_r);
if ($this->ids !== null) {
$where[] = qsprintf(
$conn_r,
'conpherence_thread.id IN (%Ld)',
$this->ids);
}
if ($this->phids !== null) {
$where[] = qsprintf(
$conn_r,
'conpherence_thread.phid IN (%Ls)',
$this->phids);
}
if ($this->participantPHIDs !== null) {
$where[] = qsprintf(
$conn_r,
'p.participantPHID IN (%Ls)',
$this->participantPHIDs);
}
if ($this->isRoom !== null) {
$where[] = qsprintf(
$conn_r,
'conpherence_thread.isRoom = %d',
(int)$this->isRoom);
}
$viewer = $this->getViewer();
if ($this->shouldJoinForViewer($viewer)) {
$where[] = qsprintf(
$conn_r,
'conpherence_thread.isRoom = 1 OR v.participantPHID IS NOT NULL');
} else if ($this->phids === null && $this->ids === null) {
$where[] = qsprintf(
$conn_r,
'conpherence_thread.isRoom = 1');
}
return $this->formatWhereClause($where);
}
private function loadParticipantsAndInitHandles(array $conpherences) {
$participants = id(new ConpherenceParticipant())
->loadAllWhere('conpherencePHID IN (%Ls)', array_keys($conpherences));
$map = mgroup($participants, 'getConpherencePHID');
foreach ($conpherences as $current_conpherence) {
$conpherence_phid = $current_conpherence->getPHID();
$conpherence_participants = idx(
$map,
$conpherence_phid,
array());
$conpherence_participants = mpull(
$conpherence_participants,
null,
'getParticipantPHID');
$current_conpherence->attachParticipants($conpherence_participants);
$current_conpherence->attachHandles(array());
}
return $this;
}
private function loadCoreHandles(
array $conpherences,
$method) {
$handle_phids = array();
foreach ($conpherences as $conpherence) {
$handle_phids[$conpherence->getPHID()] =
$conpherence->$method();
}
$flat_phids = array_mergev($handle_phids);
$handles = id(new PhabricatorHandleQuery())
->setViewer($this->getViewer())
->withPHIDs($flat_phids)
->execute();
foreach ($handle_phids as $conpherence_phid => $phids) {
$conpherence = $conpherences[$conpherence_phid];
$conpherence->attachHandles(
$conpherence->getHandles() + array_select_keys($handles, $phids));
}
return $this;
}
private function loadTransactionsAndHandles(array $conpherences) {
$query = id(new ConpherenceTransactionQuery())
->setViewer($this->getViewer())
->withObjectPHIDs(array_keys($conpherences))
->needHandles(true);
// We have to flip these for the underyling query class. The semantics of
// paging are tricky business.
if ($this->afterTransactionID) {
$query->setBeforeID($this->afterTransactionID);
} else if ($this->beforeTransactionID) {
$query->setAfterID($this->beforeTransactionID);
}
if ($this->getTransactionLimit()) {
// fetch an extra for "show older" scenarios
$query->setLimit($this->getTransactionLimit() + 1);
}
$transactions = $query->execute();
$transactions = mgroup($transactions, 'getObjectPHID');
foreach ($conpherences as $phid => $conpherence) {
$current_transactions = idx($transactions, $phid, array());
$handles = array();
foreach ($current_transactions as $transaction) {
$handles += $transaction->getHandles();
}
$conpherence->attachHandles($conpherence->getHandles() + $handles);
$conpherence->attachTransactions($current_transactions);
}
return $this;
}
private function loadFilePHIDs(array $conpherences) {
$edge_type = PhabricatorObjectHasFileEdgeType::EDGECONST;
$file_edges = id(new PhabricatorEdgeQuery())
->withSourcePHIDs(array_keys($conpherences))
->withEdgeTypes(array($edge_type))
->execute();
foreach ($file_edges as $conpherence_phid => $data) {
$conpherence = $conpherences[$conpherence_phid];
$conpherence->attachFilePHIDs(array_keys($data[$edge_type]));
}
return $this;
}
private function loadWidgetData(array $conpherences) {
$participant_phids = array();
$file_phids = array();
foreach ($conpherences as $conpherence) {
$participant_phids[] = array_keys($conpherence->getParticipants());
$file_phids[] = $conpherence->getFilePHIDs();
}
$participant_phids = array_mergev($participant_phids);
$file_phids = array_mergev($file_phids);
$epochs = CalendarTimeUtil::getCalendarEventEpochs(
$this->getViewer());
$start_epoch = $epochs['start_epoch'];
$end_epoch = $epochs['end_epoch'];
$statuses = id(new PhabricatorCalendarEventQuery())
->setViewer($this->getViewer())
->withInvitedPHIDs($participant_phids)
->withDateRange($start_epoch, $end_epoch)
->execute();
$statuses = mgroup($statuses, 'getUserPHID');
// attached files
$files = array();
$file_author_phids = array();
$authors = array();
if ($file_phids) {
$files = id(new PhabricatorFileQuery())
->setViewer($this->getViewer())
->withPHIDs($file_phids)
->execute();
$files = mpull($files, null, 'getPHID');
$file_author_phids = mpull($files, 'getAuthorPHID', 'getPHID');
$authors = id(new PhabricatorHandleQuery())
->setViewer($this->getViewer())
->withPHIDs($file_author_phids)
->execute();
$authors = mpull($authors, null, 'getPHID');
}
foreach ($conpherences as $phid => $conpherence) {
$participant_phids = array_keys($conpherence->getParticipants());
$statuses = array_select_keys($statuses, $participant_phids);
$statuses = array_mergev($statuses);
$statuses = msort($statuses, 'getDateFrom');
$conpherence_files = array();
$files_authors = array();
foreach ($conpherence->getFilePHIDs() as $curr_phid) {
$curr_file = idx($files, $curr_phid);
if (!$curr_file) {
// this file was deleted or user doesn't have permission to see it
// this is generally weird
continue;
}
$conpherence_files[$curr_phid] = $curr_file;
// some files don't have authors so be careful
$current_author = null;
$current_author_phid = idx($file_author_phids, $curr_phid);
if ($current_author_phid) {
$current_author = $authors[$current_author_phid];
}
$files_authors[$curr_phid] = $current_author;
}
$widget_data = array(
'statuses' => $statuses,
'files' => $conpherence_files,
'files_authors' => $files_authors,
);
$conpherence->attachWidgetData($widget_data);
}
return $this;
}
public function getQueryApplicationClass() {
return 'PhabricatorConpherenceApplication';
}
}

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