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Refactoring SqlModel.find() add SqlModel.criteria(). Add critera data keys as constants in SqlModel.

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This commit is contained in:
Alexander Demidov
2013-09-17 14:57:56 +04:00
parent c890d082aa
commit 732b1ca8a5
1 changed files with 59 additions and 2 deletions
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61
model/SqlModel.php
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@ -15,6 +15,24 @@
*/
abstract class SqlModel extends Model
{
const SELECT = 10;
const DISTINCT = 11;
const WHERE = 12;
const ORDER = 13;
const ORDER_TO_DESC = 14;
const LIMIT = 15;
const OFFSET = 16;
protected static $criteria_data_keys = array(
self::SELECT,
self::DISTINCT,
self::WHERE,
self::ORDER,
/** self::ORDER_TO_DESC, // no to be process in foreach criteria_data @see SqlModel::find() */
self::LIMIT,
/** self::OFFSET // no to be process in foreach criteria_data @see SqlModel::find() */
);
/**
* @param string $ident
* @return string Quoted identifier.
@ -179,8 +197,9 @@ abstract class SqlModel extends Model
/**
* @param $criteria SqlCriteria
* @return string Sql string expression
*/
public function find($criteria)
protected function criteria($criteria)
{
foreach ($criteria->select as $field => &$term) {
if (is_int($field)) {
@ -202,10 +221,48 @@ abstract class SqlModel extends Model
if ($criteria->distinct != '') {
$criteria->distinct = 'DISTINCT ' . $this->db->quoteIdentifier($criteria->distinct);
}
$sql = 'SELECT ' . (($criteria->distinct) ? $criteria->distinct : implode(',', $criteria->select))
return 'SELECT ' . (($criteria->distinct) ? $criteria->distinct : implode(',', $criteria->select))
. ' FROM ' . $this->db->quoteIdentifier($this->table)
. (($criteria->where) ? (' WHERE ' . implode(' AND ', $criteria->where)) : '')
. (($criteria->order) ? (' ORDER BY ' . implode(',', $criteria->order)) : '')
. (($criteria->limit) ? (' LIMIT ' . implode(',',array_map(function($item){return intval($item);},explode(',',$criteria->limit)))) : '');
}
/**
* @param $criteria_data array
* @ex array(
* SqlModel::SELECT => '*',
* SqlModel::WHERE => array('field=?', 1),
* SqlModel::ORDER => array('last_name', 'first_name'),
* SqlModel::ORDER_TO_DESC => array('last_name'),
* SqlModel::LIMIT => 10)
* @return mixed|DbStatement[]
*/
public function find($criteria_data)
{
$criteria = new SqlCriteria();
foreach (self::$criteria_data_keys as $criteria_data_key) {
if (isset($criteria_data[$criteria_data_key])) {
$value = $criteria_data[$criteria_data_key];
switch ($criteria_data_key) {
case self::SELECT:
$criteria->select($value);
break;
case self::DISTINCT:
$criteria->distinct($value);
break;
case self::WHERE:
$criteria->where($value);
break;
case self::ORDER:
$criteria->order($value, ((isset($criteria_data[self::ORDER_TO_DESC])) ? $criteria_data[self::ORDER_TO_DESC] : null));
break;
case self::LIMIT:
$criteria->limit($value, ((isset($criteria_data[self::OFFSET])) ? $criteria_data[self::OFFSET] : null));
break;
}
}
}
return self::fetchAll($this->criteria($criteria));
}
}