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<?php
/*
* SCROTT IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* For more information, please refer to UNLICENSE
*/
require_once "class/table.class.php";
/*
* This is a generic database object. This is a supertype of all Scrott
* datatypes and defines fields common to all of them.
*/
class object extends table
{
/*
* Constructor
*/
public function __construct(?string $guid = NULL)
{
$this->fields['objects'] = array(
"guid",
"owner",
"parent",
"name",
"created",
"updated",
"membModify",
"membMemb",
"membAccs",
"membCres",
"membModifys",
"membMembs",
"pubAcc",
"pubAccs",
"pubCres",
"objtype",
);
parent::__construct($guid);
}
/*
* Get the object type for the given GUID
*/
public static function typeOf(string $guid) : string
{
$obj = new object($guid);
return $obj->objtype;
}
/*
* Get the owner of this object. Either a user object or a group
* object will be returned. If this object does not have an owner,
* NULL will be returned.
*/
public function getOwner() : ?agent
{
if (!isset($this->owner) || $this->owner == "")
return NULL;
if (self::typeOf($this->owner) == "group")
return new group($this->owner);
return new user($this->owner);
}
/*
* Update the owner of this object
*/
public function setOwner(agent $owner) : void
{
$this->owner = $owner->guid;
}
/*
* Get the parent of this object. If this object does not have a
* parent, NULL will be returned.
*/
public function getParent() : ?object
{
if (!isset($this->parent) || $this->parent == "")
return NULL;
$parent = new object($this->parent);
return new $parent->objtype($parent->guid);
}
/*
* Update the parent of this object
*/
public function setParent(object $parent) : void
{
$this->parent = $parent->guid;
}
/*
* Get an array of all members of this object
*/
public function getMembers() : array
{
$memb = array();
$query = "SELECT member FROM members WHERE guid = '" . database::esc($this->guid) . "'";
$res = database::query($query);
foreach ($res as $m)
$memb[] = new user($m['member']);
return $memb;
}
/*
* Add a user as a member of this object. Returns false if user is
* already a member, or if another error occurs; true otherwise.
*/
public function addMember(user $user) : bool
{
if ($user->isMemberOf($this) || !isset($user->guid))
return false;
$query = "INSERT INTO members (guid, member) VALUES ('" . database::esc($this->guid) . "', '" .
database::esc($user->guid) . "')";
database::query($query);
return true;
}
/*
* Remove a user as a member of this object. Returns false if user
* is not a member, or if another error occurs; true otherwise.
*/
public function remMember(user $user) : bool
{
if (!$user->isMemberOf($this) || !isset($user->guid))
return false;
$query = "DELETE FROM members WHERE guid = '" . database::esc($this->guid) . "' AND " .
"member = '" . database::esc($user->guid) . "'";
database::query($query);
return true;
}
}
?>
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