You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

163 lines
4.2 KiB

<?php
class SqlCriteria
{
private $select = array();
private $distinct = '';
private $where = array();
private $group_by = array();
private $order = array('sort' => array(), 'order' => array());
private $limit = '';
/**
* @var SqlModel
*/
private $model;
private $sql_expression;
private $sql_expression_params = array();
/**
* @param $model SqlModel
* @param $sql_expression string|null Sql expression with SELECT and FROM operators. If fetched, then SqlCriteria::select(), SqlCriteria::distinct() disabled for use.
* @param $sql_expression_params array additional params to be replaced in sql expression
*/
public function __construct($model, $sql_expression = null, $sql_expression_params = array())
{
$this->model = $model;
$this->sql_expression = $sql_expression;
$this->sql_expression_params = $sql_expression_params;
}
/**
* @return SqlResultProvider
*/
public function find()
{
return $this->model->find($this->select, $this->distinct, $this->where, $this->order, $this->limit, null, $this->group_by, $this->sql_expression, $this->sql_expression_params);
}
public function count()
{
return $this->model->find(new DbExpr('COUNT(*) as count'), '', $this->where, null, null, null, null, $this->sql_expression, $this->sql_expression_params)->fetchField('count');
}
/**
* @param $cond string|array Condition with "?" placeholder @ex 'field=?' or 'field=1' or array('field=?' => 1', 'field=1')
* @param $value string|array|DbExpr|null Value. Array transformed to DbExpr(implode(',' Array)) All elements in the array mast be integer
* @return SqlCriteria
* @desc Allow multiple calls
*/
public function where($cond, $value = null)
{
if (is_null($value)) {
if (is_array($cond)) {
$this->where = $this->where + $cond;
} else {
$this->where[] = $cond;
}
} else {
$this->where[$cond] = $value;
}
return $this;
}
/**
* @param $field string
* @param $value array
* @return SqlCriteria
*/
public function whereIn($field, $value)
{
return $this->where($field . ' in ?', $value);
}
/**
* @param $field string
* @param $value array
* @return SqlCriteria
*/
public function whereNotIn($field, $value)
{
return $this->where($field . ' not in ?', $value);
}
/**
* @param $field string
* @param $value array
* @return SqlCriteria
*/
public function whereNot($field, $value)
{
return $this->whereNotIn($field, $value);
}
public function groupBy($fields)
{
if (is_array($fields)) {
$this->group_by = $this->group_by + $fields;
} else {
$this->group_by[] = $fields;
}
return $this;
}
/**
* @param $field string Field @ex 'field'
* @param $order_desc bool Descendant sort direction
* @return SqlCriteria
* @desc Allow multiple calls
*/
public function order($field, $order_desc = false)
{
$this->order['sort'][] = $field;
if ($order_desc) {
$this->order['order'][$field] = 'desc';
}
return $this;
}
/**
* @param $limit int
* @param $offset int
* @return SqlCriteria
*/
public function limit($limit, $offset = 0)
{
if ($offset) {
$this->limit = (int) $offset . ',';
}
$this->limit .= (int) $limit;
return $this;
}
/**
* @param string|array $fields
* @ex SqlCriteria::select('field')
* @ex SqlCriteria->select(array('field1', 'field2'))
* @ex SqlCriteria->select('field1,field2')
* @return SqlCriteria
*/
public function select($fields)
{
$fields = explode(',', $fields);
$this->select = array_merge($this->select,$fields);
return $this;
}
/**
* @param $field string|bool If true then distinct by *
* @return SqlCriteria
*/
public function distinct($field)
{
$this->distinct = $field;
return $this;
}
}