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DiffusionSymbolQuery.php
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Mon, Aug 12, 16:23

DiffusionSymbolQuery.php
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<?php
/**
* Query symbol information (class and function names and location), returning
* a list of matching @{class:PhabricatorRepositorySymbol} objects and possibly
* attached data.
*
* @task config Configuring the Query
* @task exec Executing the Query
* @task internal Internals
*/
final class DiffusionSymbolQuery extends PhabricatorOffsetPagedQuery {
private $viewer;
private $context;
private $namePrefix;
private $name;
private $repositoryPHIDs;
private $language;
private $type;
private $needPaths;
private $needRepositories;
/* -( Configuring the Query )---------------------------------------------- */
/**
* @task config
*/
public function setViewer(PhabricatorUser $viewer) {
$this->viewer = $viewer;
return $this;
}
/**
* @task config
*/
public function getViewer() {
return $this->viewer;
}
/**
* @task config
*/
public function setContext($context) {
$this->context = $context;
return $this;
}
/**
* @task config
*/
public function setName($name) {
$this->name = $name;
return $this;
}
/**
* @task config
*/
public function setNamePrefix($name_prefix) {
$this->namePrefix = $name_prefix;
return $this;
}
/**
* @task config
*/
public function withRepositoryPHIDs(array $repository_phids) {
$this->repositoryPHIDs = $repository_phids;
return $this;
}
/**
* @task config
*/
public function setLanguage($language) {
$this->language = $language;
return $this;
}
/**
* @task config
*/
public function setType($type) {
$this->type = $type;
return $this;
}
/**
* @task config
*/
public function needPaths($need_paths) {
$this->needPaths = $need_paths;
return $this;
}
/**
* @task config
*/
public function needRepositories($need_repositories) {
$this->needRepositories = $need_repositories;
return $this;
}
/* -( Specialized Query )-------------------------------------------------- */
public function existsSymbolsInRepository($repository_phid) {
$this
->withRepositoryPHIDs(array($repository_phid))
->setLimit(1);
$symbol = new PhabricatorRepositorySymbol();
$conn_r = $symbol->establishConnection('r');
$data = queryfx_all(
$conn_r,
'SELECT * FROM %T %Q %Q',
$symbol->getTableName(),
$this->buildWhereClause($conn_r),
$this->buildLimitClause($conn_r));
return (!empty($data));
}
/* -( Executing the Query )------------------------------------------------ */
/**
* @task exec
*/
public function execute() {
if ($this->name && $this->namePrefix) {
throw new Exception(
pht('You can not set both a name and a name prefix!'));
} else if (!$this->name && !$this->namePrefix) {
throw new Exception(
pht('You must set a name or a name prefix!'));
}
$symbol = new PhabricatorRepositorySymbol();
$conn_r = $symbol->establishConnection('r');
$data = queryfx_all(
$conn_r,
'SELECT * FROM %T %Q %Q %Q',
$symbol->getTableName(),
$this->buildWhereClause($conn_r),
$this->buildOrderClause($conn_r),
$this->buildLimitClause($conn_r));
$symbols = $symbol->loadAllFromArray($data);
if ($symbols) {
if ($this->needPaths) {
$this->loadPaths($symbols);
}
if ($this->needRepositories) {
$symbols = $this->loadRepositories($symbols);
}
}
return $symbols;
}
/* -( Internals )---------------------------------------------------------- */
/**
* @task internal
*/
private function buildOrderClause($conn_r) {
return qsprintf(
$conn_r,
'ORDER BY symbolName ASC');
}
/**
* @task internal
*/
protected function buildWhereClause(AphrontDatabaseConnection $conn_r) {
$where = array();
if (isset($this->context)) {
$where[] = qsprintf(
$conn_r,
'symbolContext = %s',
$this->context);
}
if ($this->name) {
$where[] = qsprintf(
$conn_r,
'symbolName = %s',
$this->name);
}
if ($this->namePrefix) {
$where[] = qsprintf(
$conn_r,
'symbolName LIKE %>',
$this->namePrefix);
}
if ($this->repositoryPHIDs) {
$where[] = qsprintf(
$conn_r,
'repositoryPHID IN (%Ls)',
$this->repositoryPHIDs);
}
if ($this->language) {
$where[] = qsprintf(
$conn_r,
'symbolLanguage = %s',
$this->language);
}
if ($this->type) {
$where[] = qsprintf(
$conn_r,
'symbolType = %s',
$this->type);
}
return $this->formatWhereClause($where);
}
/**
* @task internal
*/
private function loadPaths(array $symbols) {
assert_instances_of($symbols, 'PhabricatorRepositorySymbol');
$path_map = queryfx_all(
id(new PhabricatorRepository())->establishConnection('r'),
'SELECT * FROM %T WHERE id IN (%Ld)',
PhabricatorRepository::TABLE_PATH,
mpull($symbols, 'getPathID'));
$path_map = ipull($path_map, 'path', 'id');
foreach ($symbols as $symbol) {
$symbol->attachPath(idx($path_map, $symbol->getPathID()));
}
}
/**
* @task internal
*/
private function loadRepositories(array $symbols) {
assert_instances_of($symbols, 'PhabricatorRepositorySymbol');
$repos = id(new PhabricatorRepositoryQuery())
->setViewer($this->viewer)
->withPHIDs(mpull($symbols, 'getRepositoryPHID'))
->execute();
$repos = mpull($repos, null, 'getPHID');
$visible = array();
foreach ($symbols as $symbol) {
$repository = idx($repos, $symbol->getRepositoryPHID());
// repository is null mean "user can't view repo", so hide the symbol
if ($repository) {
$symbol->attachRepository($repository);
$visible[] = $symbol;
}
}
return $visible;
}
}

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