Add namespace.
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263
Model/SqlCriteria.php
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263
Model/SqlCriteria.php
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<?php namespace Majestic\Model;
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class SqlCriteria
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{
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const JOIN_TYPE_DEFAULT = 100;
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const JOIN_TYPE_LEFT = 101;
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const JOIN_TYPE_RIGHT = 102;
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const JOIN_TYPE_INNER = 103;
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const JOIN_TYPE_OUTER = 104;
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private static $join_reserved_keyword = array(
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self::JOIN_TYPE_DEFAULT => 'JOIN',
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self::JOIN_TYPE_LEFT => 'LEFT JOIN',
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self::JOIN_TYPE_RIGHT => 'RIGHT JOIN',
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self::JOIN_TYPE_INNER => 'INNER JOIN',
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self::JOIN_TYPE_OUTER => 'OUTER JOIN',
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);
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private $select = array();
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private $distinct = '';
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private $where = array();
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private $group_by = array();
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private $order = array('sort' => array(), 'order' => array());
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private $limit = '';
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/**
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* @var SqlModel
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*/
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private $model;
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private $sql_expression;
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private $sql_expression_params = array();
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private $sql_join_expressions = array();
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private $join_table_placeholder = array();
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/**
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* @param $model SqlModel
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* @param $sql_expression string|null Sql expression with SELECT and FROM operators. If fetched, then SqlCriteria::select(), SqlCriteria::distinct() disabled for use.
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* @param $sql_expression_params array additional params to be replaced in sql expression
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*/
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public function __construct($model, $sql_expression = null, $sql_expression_params = array())
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{
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$this->model = $model;
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$this->sql_expression = $sql_expression;
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$this->sql_expression_params = $sql_expression_params;
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}
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/**
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* @return SqlResultProvider
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*/
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public function find()
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{
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$this->defineJoinExpressions();
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return $this->model->find($this->select, $this->distinct, $this->where, $this->order, $this->limit, null, $this->group_by, $this->sql_expression, $this->sql_expression_params);
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}
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private function defineJoinExpressions()
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{
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if ($this->sql_join_expressions) {
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if (!$this->sql_expression) {
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$select = $this->model->getDb()->selectExpr($this->select, $this->distinct);
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$this->sql_expression = 'SELECT ' . $select . ' FROM :table';
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}
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$this->sql_expression .= ' ' . implode(' ', $this->sql_join_expressions);
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}
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}
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public function delete()
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{
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return $this->model->find('', '', $this->where, null, null, null, null, 'DELETE FROM :table', $this->sql_expression_params)->affectedRows();
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}
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public function count()
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{
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if ($this->sql_expression && strpos($this->sql_expression, 'COUNT(*) as count')) {
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;
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} else {
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$this->sql_expression = 'SELECT COUNT(*) as count FROM :table';
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}
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$this->defineJoinExpressions();
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return $this->model->find(array(), '', $this->where, null, null, null, null, $this->sql_expression, $this->sql_expression_params)->fetchField('count');
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}
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private function defineJoinTablePlaceholder($table_name)
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{
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if (!isset($this->join_table_placeholder[$table_name])) {
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$this->join_table_placeholder[$table_name] = ':table' . (count($this->join_table_placeholder) + 1);
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}
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}
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public function getTablePh($table_name)
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{
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$this->defineJoinTablePlaceholder($table_name);
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return $this->join_table_placeholder[$table_name];
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}
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public function join($join_table_name, $join_field_name, $donor_table_name = null, $donor_field_name = null, $join_type = self::JOIN_TYPE_DEFAULT)
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{
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$donor_field_name = $donor_field_name ? : $join_field_name;
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$donor_table_placeholder = $donor_table_name ? $this->getTablePh($donor_table_name) : ':table';
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$join_table_placeholder = $this->getTablePh($join_table_name);
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$this->sql_join_expressions[] = self::$join_reserved_keyword[$join_type]
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. ' ' . $join_table_placeholder
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. ' ON ' . $donor_table_placeholder . '.' . $donor_field_name . '='
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. ' ' . $join_table_placeholder . '.' . $join_field_name;
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if ($donor_table_name) {
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$this->sql_expression_params[substr($donor_table_placeholder, 1)] = new DbExpr($this->model->identify($donor_table_name));
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}
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$this->sql_expression_params[substr($join_table_placeholder, 1)] = new DbExpr($this->model->identify($join_table_name));
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return $this;
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}
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/**
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* @param $cond string|array Condition with "?" placeholder @ex 'field=?' or 'field=1' or array('field=?' => 1', 'field=1')
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* @param $value string|array|DbExpr|null Value. Array transformed to DbExpr(implode(',' Array)) All elements in the array mast be integer
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* @return SqlCriteria
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* @desc Allow multiple calls
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*/
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public function where($cond, $value = null)
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{
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if (is_null($value)) {
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if (is_array($cond)) {
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$this->where = $this->where + $cond;
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} else {
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$this->where[] = $cond;
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}
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} else {
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$this->where[$cond] = $value;
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}
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return $this;
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}
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public function whereJoin($join_table_name, $cond, $value)
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{
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$join_table_placeholder = $this->getTablePh($join_table_name);
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if (is_array($cond)) {
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$cond_replace = array();
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foreach ($cond as $key => $value) {
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$cond_replace[$this->getCondWithTablePlaceholderIfNeed($join_table_placeholder, $key)] = $value;
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}
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} else {
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$cond = $this->getCondWithTablePlaceholderIfNeed($join_table_placeholder, $cond);
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}
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return $this->where($cond, $value);
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}
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private function getCondWithTablePlaceholderIfNeed($table_placeholder, $cond)
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{
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if (!strstr('.', $cond)) {
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$cond = $table_placeholder . '.' . $cond;
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}
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return $cond;
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}
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/**
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* @param $field string
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* @param $value array
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* @return SqlCriteria
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*/
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public function whereIn($field, $value)
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{
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return $this->where($field . ' in ?', $value);
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}
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/**
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* @param $field string
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* @param $value array
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* @return SqlCriteria
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*/
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public function whereNotIn($field, $value)
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{
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return $this->where($field . ' not in ?', $value);
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}
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/**
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* @param $field string
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* @param $value array
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* @return SqlCriteria
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* @deprecated
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*/
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public function whereNot($field, $value)
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{
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return $this->whereNotIn($field, $value);
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}
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public function groupBy($fields)
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{
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if (is_array($fields)) {
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$this->group_by = $this->group_by + $fields;
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} else {
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$this->group_by[] = $fields;
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}
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return $this;
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}
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/**
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* @param $field string Field @ex 'field'
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* @param $order_desc bool Descendant sort direction
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* @return SqlCriteria
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* @desc Allow multiple calls
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*/
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public function order($field, $order_desc = false)
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{
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$this->order['sort'][] = $field;
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if ($order_desc) {
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$this->order['order'][$field] = 'desc';
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}
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return $this;
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}
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/**
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* @param $offset int
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* @param $limit int
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* @return SqlCriteria
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*/
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public function limit($offset = 0, $limit)
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{
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if ($offset) {
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$this->limit = (int) $offset . ',';
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}
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$this->limit .= (int) $limit;
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return $this;
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}
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/**
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* @param string|array $fields
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* @param bool $convert_to_db_expression
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* @ex SqlCriteria::select('field')
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* @ex SqlCriteria->select(array('field1', 'field2'))
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* @ex SqlCriteria->select('field1,field2')
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* @return SqlCriteria
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*/
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public function select($fields, $convert_to_db_expression = false)
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{
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if (!is_array($fields)) {
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$fields = explode(',', $fields);
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}
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$fields = array_map(function($item){return trim($item);},$fields);
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if ($convert_to_db_expression) {
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$fields = array_map(function($item){return new DbExpr($item);},$fields);
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}
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$this->select = array_merge($this->select,$fields);
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return $this;
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}
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/**
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* @param $field string|bool If true then distinct by *
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* @return SqlCriteria
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*/
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public function distinct($field)
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{
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$this->distinct = $field;
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return $this;
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}
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}
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