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| <?php
namespace api\models;
class Mongo
{
private $_manager;
private $_host;
private $_username;
private $_password;
private $_db;
private $_port;
public $lastInsertId = '';
public function connect(array $config)
{
extract($config);
$this->_host = $config['hostname'];
$this->_username = $config['username'];
$this->_password = $config['password'];
$this->_db = $config['database'];
$this->_port = $config['hostport'];
$auth = $username ? $username . ':' . $password . '@' : '';
$mongo = 'mongodb://' . $hostname . ':' . $hostport;
$extra = [
// 'db' => $config['database'],
'authSource' => $config['authSource'] ?? $config['database'],
];
if ($config['username']) {
$extra['username'] = $config['username'];
}
if ($config['password']) {
$extra['password'] = $config['password'];
}
return $this->_manager = new \MongoDB\Driver\Manager($mongo, $extra);
}
public function getDB()
{
return $this->_db;
}
public function setDB($db)
{
$this->_db = $db;
return $this->_db;
}
public function getBulk()
{
return new \MongoDB\Driver\BulkWrite;
}
public function getWriteConcern()
{
return new \MongoDB\Driver\WriteConcern(\MongoDB\Driver\WriteConcern::MAJORITY, 1000);
}
/**
* 插入数据
* @param $db 数据库名
* @param $collection 集合名
* @param $document 数据 array格式
* @return
*/
public function insert($collection, $document)
{
$bulk = $this->getBulk();
if ($this->isAssoc($document)) {
if (!($document['_id'] ?? false) || !($document['_id'] instanceof \MongoDB\BSON\ObjectID)) {
$document['_id'] = new \MongoDB\BSON\ObjectID;
}
$bulk->insert($document);
$this->lastInsertId = $document['_id'];
} else {
foreach ($document as $val) {
if (!($document['_id'] ?? false) || !($document['_id'] instanceof \MongoDB\BSON\ObjectID)) {
$val['_id'] = new \MongoDB\BSON\ObjectID;
}
$bulk->insert($val);
$this->lastInsertId = $val['_id'];
}
}
$res = $this->_manager->executeBulkWrite($this->_db . '.' . $collection, $bulk);
if (empty($res->getWriteErrors())) {
return true;
} else {
return false;
}
}
/**
* 删除数据
* @param array $where
* @param array $option
* @param string $db
* @param string $collection
* @return mixed
*/
public function delete($collection, $where = array(), $option = array())
{
$bulk = $this->getBulk();
$bulk->delete($where, $option);
return $this->_manager->executeBulkWrite($this->_db . $collection, $bulk);
}
/**
* 更新数据
* @param array $where 类似where条件
* @param array $field 要更新的字段
* @param bool $upsert 如果不存在是否插入，默认为false不插入
* @param bool $multi 是否更新全量，默认为false
* @param string $db 数据库
* @param string $collection 集合
* @return mixed
*/
public function update($collection, $where = array(), $field = array(), $upsert = false, $multi = false)
{
if (empty($where)) {
return 'filter is null';
}
$bulk = $this->getBulk();
$write_concern = $this->getWriteConcern();
if (isset($where['_id'])) {
$where['_id'] = new \MongoDB\BSON\ObjectId($where['_id']);
}
$bulk->update($where, array('$set' => $field), array('multi' => $multi, 'upsert' => $upsert));
$res = $this->_manager->executeBulkWrite($this->_db . '.' . $collection, $bulk, $write_concern);
if (empty($res->getWriteErrors())) {
return true;
} else {
return false;
}
}
public function execute($collection, $where, $operator, $upsert = false, $multi = false)
{
$bulk = $this->getBulk();
$write_concern = $this->getWriteConcern();
if (isset($where['_id'])) {
$where['_id'] = new \MongoDB\BSON\ObjectId($where['_id']);
}
$bulk->update($where, $operator, array('multi' => $multi, 'upsert' => $upsert));
$res = $this->_manager->executeBulkWrite($this->_db . '.' . $collection, $bulk, $write_concern);
if (empty($res->getWriteErrors())) {
return true;
} else {
return $res->getWriteErrors();
}
}
public function selectById($collection, $id, $options = array())
{
$filter = ['_id' => new \MongoDB\BSON\ObjectID($id)];
$res = $this->query($collection, $filter, $options);
foreach ($res as $item) {
$data = $this->objToArray($item);
}
return $data;
}
public function query($collection, $filter, $options)
{
if ($filter['_id'] ?? false) {
if (is_array($filter['_id'])) {
$param = [];
foreach ($filter['_id'] as $id) {
$param[] = new \MongoDB\BSON\ObjectID($id);
}
$filter['_id'] = [
'$in' => $param,
];
} else {
$filter['_id'] = new \MongoDB\BSON\ObjectID($filter['_id']);
}
}
$query = new \MongoDB\Driver\Query($filter, $options);
$res = $this->_manager->executeQuery($this->_db . '.' . $collection, $query);
$data = array();
foreach ($res as $item) {
$tmp = json_decode(json_encode($item), true);
if (isset($tmp['_id'])) {
$tmp['_id'] = $tmp['_id']['$oid'];
}
$data[] = $tmp;
}
return $data;
}
/**
* 执行MongoDB命令
* @param array $param
* @return \MongoDB\Driver\Cursor
*/
public function command($param)
{
$cmd = new \MongoDB\Driver\Command($param);
return $this->_manager->executeCommand($this->_db, $cmd);
}
private function isAssoc($arr)
{
return array_keys($arr) !== range(0, count($arr) - 1);
}
/**
* 按条件计算个数
*
* @param string $collName 集合名
* @param array $where 条件
* @return int
*/
public function count($collName, array $where)
{
$result = 0;
$cmd = [
'count' => $collName,
'query' => $where,
];
$arr = $this->command($cmd)->toArray();
if (!empty($arr)) {
$result = $arr[0]->n;
}
return $result;
}
public function objToArray($data)
{
return json_decode(json_encode($data), true);
}
}
|
