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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace think\mongo;
use MongoDB\BSON\Javascript;
use MongoDB\BSON\ObjectID;
use MongoDB\BSON\Regex;
use MongoDB\Driver\BulkWrite;
use MongoDB\Driver\Command;
use MongoDB\Driver\Exception\InvalidArgumentException;
use MongoDB\Driver\Query as MongoQuery;
use think\Exception;
class Builder
{
// connection对象实例
protected $connection;
// 查询对象实例
protected $query;
// 查询参数
protected $options = [];
// 最后插入ID
protected $insertId = [];
// 查询表达式
protected $exp = ['<>' => 'ne', 'neq' => 'ne', '=' => 'eq', '>' => 'gt', '>=' => 'gte', '<' => 'lt', '<=' => 'lte', 'in' => 'in', 'not in' => 'nin', 'nin' => 'nin', 'mod' => 'mod', 'exists' => 'exists', 'null' => 'null', 'notnull' => 'not null', 'not null' => 'not null', 'regex' => 'regex', 'type' => 'type', 'all' => 'all', '> time' => '> time', '< time' => '< time', 'between' => 'between', 'not between' => 'not between', 'between time' => 'between time', 'not between time' => 'not between time', 'notbetween time' => 'not between time', 'like' => 'like', 'near' => 'near', 'size' => 'size'];
/**
* 架构函数
* @access public
* @param Connection $connection 数据库连接对象实例
* @param Query $query 数据库查询对象实例
*/
public function __construct(Connection $connection, Query $query)
{
$this->connection = $connection;
$this->query = $query;
}
/**
* key分析
* @access protected
* @param string $key
* @return string
*/
protected function parseKey($key)
{
if (0 === strpos($key, '__TABLE__.')) {
list($collection, $key) = explode('.', $key, 2);
}
if ('id' == $key && $this->connection->getConfig('pk_convert_id')) {
$key = '_id';
}
return trim($key);
}
/**
* value分析
* @access protected
* @param mixed $value
* @param string $field
* @return string
*/
protected function parseValue($value, $field = '')
{
if ('_id' == $field && 'ObjectID' == $this->connection->getConfig('pk_type') && is_string($value)) {
try {
return new ObjectID($value);
} catch (InvalidArgumentException $e) {
return new ObjectID();
}
}
return $value;
}
/**
* insert数据分析
* @access protected
* @param array $data 数据
* @param array $options 查询参数
* @return array
*/
protected function parseData($data, $options)
{
if (empty($data)) {
return [];
}
$result = [];
foreach ($data as $key => $val) {
$item = $this->parseKey($key);
if (is_object($val)) {
$result[$item] = $val;
} elseif (isset($val[0]) && 'exp' == $val[0]) {
$result[$item] = $val[1];
} elseif (is_null($val)) {
$result[$item] = 'NULL';
} else {
$result[$item] = $this->parseValue($val, $key);
}
}
return $result;
}
/**
* Set数据分析
* @access protected
* @param array $data 数据
* @param array $options 查询参数
* @return array
*/
protected function parseSet($data, $options)
{
if (empty($data)) {
return [];
}
$result = [];
foreach ($data as $key => $val) {
$item = $this->parseKey($key);
if (is_array($val) && isset($val[0]) && is_string($val[0]) && 0 === strpos($val[0], '$')) {
$result[$val[0]][$item] = $this->parseValue($val[1], $key);
} else {
$result['$set'][$item] = $this->parseValue($val, $key);
}
}
return $result;
}
/**
* 生成查询过滤条件
* @access public
* @param mixed $where
* @return array
*/
public function parseWhere($where, $options = [])
{
if (empty($where)) {
$where = [];
}
$filter = [];
foreach ($where as $logic => $val) {
foreach ($val as $field => $value) {
if ($value instanceof \Closure) {
// 使用闭包查询
$query = new Query($this->connection);
call_user_func_array($value, [ & $query]);
$filter[$logic][] = $this->parseWhere($query->getOptions('where'), $options);
} else {
if (strpos($field, '|')) {
// 不同字段使用相同查询条件OR
$array = explode('|', $field);
foreach ($array as $k) {
$filter['$or'][] = $this->parseWhereItem($k, $value);
}
} elseif (strpos($field, '&')) {
// 不同字段使用相同查询条件AND
$array = explode('&', $field);
foreach ($array as $k) {
$filter['$and'][] = $this->parseWhereItem($k, $value);
}
} else {
// 对字段使用表达式查询
$field = is_string($field) ? $field : '';
$filter[$logic][] = $this->parseWhereItem($field, $value);
}
}
}
}
if (!empty($options['soft_delete'])) {
// 附加软删除条件
list($field, $condition) = $options['soft_delete'];
$filter['$and'][] = $this->parseWhereItem($field, $condition);
}
return $filter;
}
// where子单元分析
protected function parseWhereItem($field, $val)
{
$key = $field ? $this->parseKey($field) : '';
// 查询规则和条件
if (!is_array($val)) {
$val = ['=', $val];
}
list($exp, $value) = $val;
// 对一个字段使用多个查询条件
if (is_array($exp)) {
$data = [];
foreach ($val as $value) {
$exp = $value[0];
$value = $value[1];
if (!in_array($exp, $this->exp)) {
$exp = strtolower($exp);
if (isset($this->exp[$exp])) {
$exp = $this->exp[$exp];
}
}
$k = '$' . $exp;
$data[$k] = $value;
}
$query[$key] = $data;
return $query;
} elseif (!in_array($exp, $this->exp)) {
$exp = strtolower($exp);
if (isset($this->exp[$exp])) {
$exp = $this->exp[$exp];
} else {
throw new Exception('where express error:' . $exp);
}
}
$query = [];
if ('=' == $exp) {
// 普通查询
$query[$key] = $this->parseValue($value, $key);
} elseif (in_array($exp, ['neq', 'ne', 'gt', 'egt', 'gte', 'lt', 'lte', 'elt', 'mod'])) {
// 比较运算
$k = '$' . $exp;
$query[$key] = [$k => $this->parseValue($value, $key)];
} elseif ('null' == $exp) {
// NULL 查询
$query[$key] = null;
} elseif ('not null' == $exp) {
$query[$key] = ['$ne' => null];
} elseif ('all' == $exp) {
// 满足所有指定条件
$query[$key] = ['$all', $this->parseValue($value, $key)];
} elseif ('between' == $exp) {
// 区间查询
$value = is_array($value) ? $value : explode(',', $value);
$query[$key] = ['$gte' => $this->parseValue($value[0], $key), '$lte' => $this->parseValue($value[1], $key)];
} elseif ('not between' == $exp) {
// 范围查询
$value = is_array($value) ? $value : explode(',', $value);
$query[$key] = ['$lt' => $this->parseValue($value[0], $key), '$gt' => $this->parseValue($value[1], $key)];
} elseif ('exists' == $exp) {
// 字段是否存在
$query[$key] = ['$exists' => (bool) $value];
} elseif ('type' == $exp) {
// 类型查询
$query[$key] = ['$type' => intval($value)];
} elseif ('exp' == $exp) {
// 表达式查询
$query['$where'] = $value instanceof Javascript ? $value : new Javascript($value);
} elseif ('like' == $exp) {
// 模糊查询 采用正则方式
$query[$key] = $value instanceof Regex ? $value : new Regex($value, 'i');
} elseif (in_array($exp, ['nin', 'in'])) {
// IN 查询
$value = is_array($value) ? $value : explode(',', $value);
foreach ($value as $k => $val) {
$value[$k] = $this->parseValue($val, $key);
}
$query[$key] = ['$' . $exp => $value];
} elseif ('regex' == $exp) {
$query[$key] = $value instanceof Regex ? $value : new Regex($value, 'i');
} elseif ('< time' == $exp) {
$query[$key] = ['$lt' => $this->parseDateTime($value, $field)];
} elseif ('> time' == $exp) {
$query[$key] = ['$gt' => $this->parseDateTime($value, $field)];
} elseif ('between time' == $exp) {
// 区间查询
$value = is_array($value) ? $value : explode(',', $value);
$query[$key] = ['$gte' => $this->parseDateTime($value[0], $field), '$lte' => $this->parseDateTime($value[1], $field)];
} elseif ('not between time' == $exp) {
// 范围查询
$value = is_array($value) ? $value : explode(',', $value);
$query[$key] = ['$lt' => $this->parseDateTime($value[0], $field), '$gt' => $this->parseDateTime($value[1], $field)];
} elseif ('near' == $exp) {
// 经纬度查询
$query[$key] = ['$near' => $this->parseValue($value, $key)];
} elseif ('size' == $exp) {
// 元素长度查询
$query[$key] = ['$size' => intval($value)];
} else {
// 普通查询
$query[$key] = $this->parseValue($value, $key);
}
return $query;
}
/**
* 日期时间条件解析
* @access protected
* @param string $value
* @param string $key
* @return string
*/
protected function parseDateTime($value, $key)
{
// 获取时间字段类型
$type = $this->query->getTableInfo('', 'type');
if (isset($type[$key])) {
$value = strtotime($value) ?: $value;
if (preg_match('/(datetime|timestamp)/is', $type[$key])) {
// 日期及时间戳类型
$value = date('Y-m-d H:i:s', $value);
} elseif (preg_match('/(date)/is', $type[$key])) {
// 日期及时间戳类型
$value = date('Y-m-d', $value);
}
}
return $value;
}
/**
* 获取最后写入的ID 如果是insertAll方法的话 返回所有写入的ID
* @access public
* @return mixed
*/
public function getLastInsID()
{
return $this->insertId;
}
/**
* 生成insert BulkWrite对象
* @access public
* @param array $data 数据
* @param array $options 表达式
* @return BulkWrite
*/
public function insert(array $data, $options = [])
{
// 分析并处理数据
$data = $this->parseData($data, $options);
$bulk = new BulkWrite;
if ($insertId = $bulk->insert($data)) {
$this->insertId = $insertId;
}
$this->log('insert', $data, $options);
return $bulk;
}
/**
* 生成insertall BulkWrite对象
* @access public
* @param array $dataSet 数据集
* @param array $options 参数
* @return BulkWrite
*/
public function insertAll($dataSet, $options = [])
{
$bulk = new BulkWrite;
$this->insertId = [];
foreach ($dataSet as $data) {
// 分析并处理数据
$data = $this->parseData($data, $options);
if ($insertId = $bulk->insert($data)) {
$this->insertId[] = $insertId;
}
}
$this->log('insert', $dataSet, $options);
return $bulk;
}
/**
* 生成update BulkWrite对象
* @access public
* @param array $data 数据
* @param array $options 参数
* @return BulkWrite
*/
public function update($data, $options = [])
{
$data = $this->parseSet($data, $options);
$where = $this->parseWhere($options['where'], $options);
if (1 == $options['limit']) {
$updateOptions = ['multi' => false];
} else {
$updateOptions = ['multi' => true];
}
$bulk = new BulkWrite;
$bulk->update($where, $data, $updateOptions);
$this->log('update', $data, $where);
return $bulk;
}
/**
* 生成delete BulkWrite对象
* @access public
* @param array $options 参数
* @return BulkWrite
*/
public function delete($options)
{
$where = $this->parseWhere($options['where'], $options);
$bulk = new BulkWrite;
if (1 == $options['limit']) {
$deleteOptions = ['limit' => 1];
} else {
$deleteOptions = ['limit' => 0];
}
$bulk->delete($where, $deleteOptions);
$this->log('remove', $where, $deleteOptions);
return $bulk;
}
/**
* 生成Mongo查询对象
* @access public
* @param array $options 参数
* @return MongoQuery
*/
public function select($options)
{
$where = $this->parseWhere($options['where'], $options);
$query = new MongoQuery($where, $options);
$this->log('find', $where, $options);
return $query;
}
/**
* 生成Count命令
* @access public
* @param array $options 参数
* @return Command
*/
public function count($options)
{
$cmd['count'] = $options['table'];
$cmd['query'] = $this->parseWhere($options['where'], $options);
foreach (['hint', 'limit', 'maxTimeMS', 'skip'] as $option) {
if (isset($options[$option])) {
$cmd[$option] = $options[$option];
}
}
$command = new Command($cmd);
$this->log('cmd', 'count', $cmd);
return $command;
}
/**
* 聚合查询命令
* @access public
* @param array $options 参数
* @param array $extra 指令和字段
* @return Command
*/
public function aggregate($options, $extra)
{
list($fun, $field) = $extra;
$pipeline = [
['$match' => (object) $this->parseWhere($options['where'], $options)],
['$group' => ['_id' => null, 'aggregate' => ['$' . $fun => '$' . $field]]],
];
$cmd = [
'aggregate' => $options['table'],
'allowDiskUse' => true,
'pipeline' => $pipeline,
'cursor' => new \stdClass,
];
foreach (['explain', 'collation', 'bypassDocumentValidation', 'readConcern'] as $option) {
if (isset($options[$option])) {
$cmd[$option] = $options[$option];
}
}
$command = new Command($cmd);
$this->log('aggregate', $cmd);
return $command;
}
/**
* 多聚合查询命令, 可以对多个字段进行 group by 操作
*
* @param array $options 参数
* @param array $extra 指令和字段
* @return Command
*/
public function multiAggregate($options, $extra)
{
list($aggregate, $groupBy) = $extra;
$groups = ['_id' => []];
foreach ($groupBy as $field) {
$groups['_id'][$field] = '$' . $field;
}
foreach ($aggregate as $fun => $field) {
$groups[$field . '_' . $fun] = ['$' . $fun => '$' . $field];
}
$pipeline = [
['$match' => (object) $this->parseWhere($options['where'], $options)],
['$group' => $groups],
];
$cmd = [
'aggregate' => $options['table'],
'allowDiskUse' => true,
'pipeline' => $pipeline,
'cursor' => new \stdClass,
];
foreach (['explain', 'collation', 'bypassDocumentValidation', 'readConcern'] as $option) {
if (isset($options[$option])) {
$cmd[$option] = $options[$option];
}
}
$command = new Command($cmd);
$this->log('group', $cmd);
return $command;
}
/**
* 生成distinct命令
* @access public
* @param array $options 参数
* @param string $field 字段名
* @return Command
*/
public function distinct($options, $field)
{
$cmd = [
'distinct' => $options['table'],
'key' => $field,
];
if (!empty($options['where'])) {
$cmd['query'] = $this->parseWhere($options['where'], $options);
}
if (isset($options['maxTimeMS'])) {
$cmd['maxTimeMS'] = $options['maxTimeMS'];
}
$command = new Command($cmd);
$this->log('cmd', 'distinct', $cmd);
return $command;
}
/**
* 查询所有的collection
* @access public
* @return Command
*/
public function listcollections()
{
$cmd = ['listCollections' => 1];
$command = new Command($cmd);
$this->log('cmd', 'listCollections', $cmd);
return $command;
}
/**
* 查询数据表的状态信息
* @access public
* @return Command
*/
public function collStats($options)
{
$cmd = ['collStats' => $options['table']];
$command = new Command($cmd);
$this->log('cmd', 'collStats', $cmd);
return $command;
}
protected function log($type, $data, $options = [])
{
if ($this->connection->getConfig('debug')) {
$this->connection->log($type, $data, $options);
}
}
}