0084d336
 Administrator
Importers CRUD
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<?php
/**
* This is a class used to represent key->value pairs generated from database queries.
* The query isn't actually executed until you need it.
*
* @package framework
* @subpackage model
*/
class SQLMap extends Object implements IteratorAggregate {
/**
* The query used to generate the map.
* @var SQLQuery
*/
protected $query;
protected $keyField, $titleField;
/**
* Construct a SQLMap.
* @param SQLQuery $query The query to generate this map. THis isn't executed until it's needed.
*/
public function __construct(SQLQuery $query, $keyField = "ID", $titleField = "Title") {
Deprecation::notice('3.0', 'Use SS_Map or DataList::map() instead.', Deprecation::SCOPE_CLASS);
if(!$query) {
user_error('SQLMap constructed with null query.', E_USER_ERROR);
}
$this->query = $query;
$this->keyField = $keyField;
$this->titleField = $titleField;
parent::__construct();
}
/**
* Get the name of an item.
* @param string|int $id The id of the item.
* @return string
*/
public function getItem($id) {
if($id) {
$baseTable = reset($this->query->from);
$where = "$baseTable.\"ID\" = $id";
$this->query->where[sha1($where)] = $where;
$record = $this->query->execute()->first();
unset($this->query->where[sha1($where)]);
if($record) {
$className = $record['ClassName'];
$obj = new $className($record);
return $obj->Title;
}
}
}
public function getIterator() {
$this->genItems();
return new SS_Map_Iterator($this->items->getIterator(), $this->keyField, $this->titleField);
}
/**
* Get the items in this class.
* @return SS_List
*/
public function getItems() {
$this->genItems();
return $this->items;
}
/**
* Generate the items in this map. This is used by
* getItems() if the items have not been generated already.
*/
protected function genItems() {
if(!isset($this->items)) {
$this->items = new ArrayList();
$items = $this->query->execute();
foreach($items as $item) {
$className = isset($item['RecordClassName']) ? $item['RecordClassName'] : $item['ClassName'];
if(!$className) {
user_error('SQLMap query could not retrieve className', E_USER_ERROR);
}
$this->items->push(new $className($item));
}
}
}
}
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