/**
* Begin profile.
*
* @param $category
* @param $token
*/
public static function beginProfile($category, $token)
{
Trace::beginProfile($category, $token);
}
/**
* Returns the number of records.
*
* @param string $q kept to match {@see \rock\db\common\QueryInterface}, its value is ignored.
* @param ConnectionInterface|Connection $connection the Mongo connection used to execute the query.
* If this parameter is not given, the `mongodb` application component will be used.
* @return integer number of records
* @throws MongoException on failure.
*/
public function count($q = '*', ConnectionInterface $connection = null)
{
$cursor = $this->buildCursor($connection);
$rawQuery = 'find(' . Json::encode($cursor->info()) . ')';
$token = ['query' => $rawQuery, 'valid' => true, 'cache' => false];
//Log::info($token, __METHOD__);
Trace::beginProfile('mongodb.query', $token);
$cache = $cacheKey = null;
$lock = true;
if (($result = $this->getCache($rawQuery, $token, null, null, $cache, $cacheKey, $lock)) !== false) {
return $result;
}
if ($lock === false) {
return 0;
}
try {
$result = $cursor->count();
$this->setCache($result, $cache, $cacheKey);
Trace::endProfile('mongodb.query', $token);
Trace::trace('mongodb.query', $token);
return $result;
} catch (\Exception $e) {
$message = $e->getMessage() . "\nThe query being executed was: {$rawQuery}";
Trace::endProfile('mongodb.query', $token);
$token['valid'] = false;
$token['exception'] = defined('ROCK_DEBUG') && ROCK_DEBUG === true ? $e : $message;
Trace::trace('mongodb.query', $token);
if (isset($cache, $cacheKey) && $cache instanceof CacheInterface) {
$cache->unlock($cacheKey);
}
throw new MongoException($message, [], 0, $e);
}
}
/**
* Executes Mongo command.
*
* @param array $command command specification.
* @param array $options options in format: "name" => "value"
* @return array database response.
* @throws MongoException on failure.
*/
public function executeCommand($command, array $options = [])
{
$rawQuery = $this->getName() . '.$cmd(' . Json::encode($command) . ', ' . Json::encode($options) . ')';
$token = ['query' => $rawQuery, 'valid' => true, 'cache' => false];
//Log::info($token, __METHOD__);
Trace::beginProfile('mongodb.query', $token);
try {
$result = $this->mongoDb->command($command, $options);
$this->tryResultError($result);
Trace::endProfile('mongodb.query', $token);
Trace::trace('mongodb.query', $token);
return $result;
} catch (\Exception $e) {
$message = $e->getMessage() . "\nThe query being executed was: {$rawQuery}";
Trace::endProfile('mongodb.query', $token);
$token['valid'] = false;
$token['exception'] = defined('ROCK_DEBUG') && ROCK_DEBUG === true ? $e : $message;
Trace::trace('mongodb.query', $token);
throw new MongoException($message, [], 0, $e);
}
}
/**
* Establishes a DB connection.
* It does nothing if a DB connection has already been established.
*
* @throws DbException if connection fails
*/
public function open()
{
if ($this->pdo !== null) {
return;
}
if (!empty($this->masters)) {
$connection = $this->openFromPool($this->masters, $this->masterConfig);
if ($connection !== null) {
$this->pdo = $connection->pdo;
return;
} else {
throw new DbException('None of the master DB servers is available.');
}
}
if (empty($this->dsn)) {
throw new DbException('Connection::dsn cannot be empty.');
}
$token = 'Opening DB connection: ' . $this->dsn;
try {
Trace::trace('db', $token);
Trace::beginProfile('db', $token);
$this->pdo = $this->createPdoInstance();
$this->initConnection();
Trace::endProfile('db', $token);
} catch (\PDOException $e) {
Trace::endProfile('db', $token);
throw new DbException($e->getMessage(), [], 0, $e);
}
}
/**
* Deletes the file with given _id.
*
* @param mixed $id _id of the file to find.
* @return boolean whether the operation was successful.
* @throws MongoException on failure.
*/
public function delete($id)
{
$token = 'Inserting file uploads into ' . $this->getFullName();
//Log::info($token);
Trace::beginProfile('mongodb.query', $token);
try {
$result = $this->mongoCollection->delete($id);
$this->tryResultError($result);
Trace::endProfile('mongodb.query', $token);
Trace::trace('mongodb.query', $token);
return true;
} catch (\Exception $e) {
$message = $e->getMessage() . "\nThe query being executed was: {$token}";
Trace::endProfile('mongodb.query', $token);
$token['valid'] = false;
$token['exception'] = defined('ROCK_DEBUG') && ROCK_DEBUG === true ? $e : $message;
Trace::trace('mongodb.query', $token);
throw new MongoException($message, [], $e);
}
}
/**
* Establishes a Mongo connection.
* It does nothing if a Mongo connection has already been established.
*
* @throws MongoException if connection fails
*/
public function open()
{
if ($this->mongoClient === null) {
if (empty($this->dsn)) {
throw new MongoException($this->className() . '::dsn cannot be empty.');
}
$token = 'Opening MongoDB connection: ' . $this->dsn;
try {
Trace::trace('mongodb', $token);
Trace::beginProfile('mongodb', $token);
$options = $this->options;
$options['connect'] = true;
if ($this->defaultDatabaseName !== null) {
$options['db'] = $this->defaultDatabaseName;
}
$this->mongoClient = new \MongoClient($this->dsn, $options);
$this->initConnection();
Trace::endProfile('mongodb', $token);
} catch (\Exception $e) {
Trace::endProfile('mongodb', $token);
throw new MongoException($e->getMessage(), [], 0, $e);
}
}
}
/**
* Performs the actual DB query of a SQL statement.
*
* @param string $method method of PDOStatement to be called
* @param integer $fetchMode the result fetch mode. Please refer to [PHP manual](http://www.php.net/manual/en/function.PDOStatement-setFetchMode.php)
* for valid fetch modes. If this parameter is null, the value set in {@see \rock\db\Command::$fetchMode} will be used.
* @return mixed the method execution result
* @throws DbException if the query causes any problem
*/
protected function queryInternal($method, $fetchMode = null)
{
$connection = $this->connection;
$rawSql = $this->getRawSql();
$token = ['dsn' => $connection->dsn, 'sql' => $rawSql, 'valid' => true, 'cache' => false];
Trace::beginProfile('db.query', $token);
$cache = null;
/** @var $cache CacheInterface */
if ($connection->enableQueryCache && $method !== '') {
$cache = Instance::ensure($connection->queryCache, null, [], false);
}
$lock = true;
if ($cache instanceof CacheInterface) {
$cacheKey = json_encode([__CLASS__, $method, $connection->dsn, $connection->username, $rawSql]);
$result = $cache->get($cacheKey);
if (is_array($result) && array_key_exists(0, $result)) {
Trace::increment('cache.db', 'Cache query DB connection: ' . $connection->dsn);
Trace::endProfile('db.query', $token);
$token['cache'] = true;
Trace::trace('db.query', $token);
return $result[0];
}
$lock = $cache->lock($cacheKey);
}
if ($lock === false) {
return null;
}
$this->prepare(true);
try {
$this->pdoStatement->execute();
if ($method === '') {
$result = new DataReader($this);
} else {
if ($fetchMode === null) {
$fetchMode = $this->fetchMode;
}
$result = call_user_func_array([$this->pdoStatement, $method], (array) $fetchMode);
if ($result === false) {
$result = null;
}
$this->pdoStatement->closeCursor();
}
if (isset($cache, $cacheKey) && $cache instanceof CacheInterface) {
$cache->set($cacheKey, [$result], $connection->queryCacheExpire, $connection->queryCacheTags ?: $this->getRawEntityNames());
$cache->unlock($cacheKey);
}
Trace::endProfile('db.query', $token);
Trace::trace('db.query', $token);
return $result;
} catch (\Exception $e) {
$message = $e->getMessage() . "\nThe SQL being executed was: {$rawSql}";
Trace::endProfile('db.query', $token);
$token['valid'] = false;
$token['exception'] = defined('ROCK_DEBUG') && ROCK_DEBUG === true ? $e : $message;
Trace::trace('db.query', $token);
if (isset($cache, $cacheKey) && $cache instanceof CacheInterface) {
$cache->unlock($cacheKey);
}
throw new DbException($message, [], 0, $e);
}
}
/**
* Performs full text search.
*
* @param string $search string of terms that MongoDB parses and uses to query the text index.
* @param array $condition criteria for filtering a results list.
* @param array $fields list of fields to be returned in result.
* @param array $options additional optional parameters to the mapReduce command. Valid options include:
* - limit - the maximum number of documents to include in the response (by default 100).
* - language - the language that determines the list of stop words for the search
* and the rules for the stemmer and tokenizer. If not specified, the search uses the default
* language of the index.
* @return array the highest scoring documents, in descending order by score.
* @throws MongoException on failure.
*/
public function fullTextSearch($search, array $condition = [], array $fields = [], array $options = [])
{
$command = ['search' => $search];
if (!empty($condition)) {
$command['filter'] = $this->buildCondition($condition);
}
if (!empty($fields)) {
$command['project'] = $fields;
}
if (!empty($options)) {
$command = array_merge($command, $options);
}
$rawQuery = $this->composeLogToken('text', $command);
$token = ['query' => $rawQuery, 'valid' => true, 'cache' => false];
//Log::info($rawQuery);
Trace::beginProfile('mongodb.query', $token);
$cache = $cacheKey = null;
if (($result = $this->getCache($rawQuery, $token, $cache, $cacheKey)) !== false) {
return $result;
}
try {
$command = array_merge(['text' => $this->getName()], $command);
$result = $this->mongoCollection->db->command($command);
$this->tryResultError($result);
$this->setCache($result['results'], $cache, $cacheKey);
Trace::endProfile('mongodb.query', $token);
Trace::trace('mongodb.query', $token);
return $result['results'];
} catch (\Exception $e) {
$message = $e->getMessage() . "\nThe query being executed was: {$rawQuery}";
Trace::endProfile('mongodb.query', $token);
$token['valid'] = false;
$token['exception'] = defined('ROCK_DEBUG') && ROCK_DEBUG === true ? $e : $message;
Trace::trace('mongodb.query', $token);
throw new MongoException($message, [], 0, $e);
}
}
