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<?
class Collection
{
private $query;
private $obj_types;
private $expiration;
private $key;
private $map;
public function __construct($query, $obj_types, $expiration = 0, $key = null)
{
$this->query = $query;
$this->obj_types = $obj_types;
$this->expiration = $expiration;
if ($key === null)
$this->key = sha1($query);
else
$this->key = $key;
$this->map = db()->getArray($this->query, "{$key}.collection", $expiration);
}
/**
* @TODO: fix this to make it work
*/
public function implodeMap($type)
{
if (is_array($this->map))
return implode(', ', $this->getMap($type));
return '';
}
/**
* @TODO: make this work as well
*/
public function getMap($type = null)
{
return $this->map;
}
public function count()
{
if (is_array($this->map))
return count($this->map);
else
return 0;
}
public function getAll()
{
return $this->buildObjectArray();
}
public function getRange($start, $end)
{
if (is_array($this->map))
return $this->buildObjectArray(array_slice($this->map, $start, $end, false));
else
return array();
}
private function buildObjectArray($map = null)
{
if ($map === null)
$map = $this->map;
if (!is_array($map))
return array();
//very simple load... should be made more advanced.
$data = array();
foreach ($map AS $key => $row){
foreach ($this->obj_types AS $type => $id){
$data[$key][$type] = new $type($row[$id]);
}
}
return $data;
}
}
?>
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