180 lines
4 KiB
PHP
180 lines
4 KiB
PHP
<?php
|
||
|
||
/**
|
||
* The Legend of Z
|
||
*
|
||
* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
|
||
* @copyright 2014 Heinrich-Heine-Universität Düsseldorf
|
||
* @license http://www.gnu.org/licenses/gpl.html
|
||
* @link https://bitbucket.org/coderkun/the-legend-of-z
|
||
*/
|
||
|
||
namespace hhu\z\questtypes;
|
||
|
||
|
||
/**
|
||
* Model of the DragndropQuesttypeAgent for Drag&Drop.
|
||
*
|
||
* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
|
||
*/
|
||
class DragndropQuesttypeModel extends \hhu\z\QuesttypeModel
|
||
{
|
||
|
||
|
||
|
||
|
||
/**
|
||
* Get Drag&Drop-field.
|
||
*
|
||
* @param int $questId ID of Quest
|
||
* @return array Drag&Drop-field
|
||
*/
|
||
public function getDragndrop($questId)
|
||
{
|
||
$data = $this->db->query(
|
||
'SELECT quest_id, questmedia_id, width, height '.
|
||
'FROM questtypes_dragndrop '.
|
||
'WHERE quest_id = ?',
|
||
'i',
|
||
$questId
|
||
);
|
||
if(!empty($data)) {
|
||
return $data[0];
|
||
}
|
||
|
||
|
||
return null;
|
||
}
|
||
|
||
|
||
/**
|
||
* Get Drop-items.
|
||
*
|
||
* @param int $dragndropId ID of Drag&Drop-field
|
||
* @return array Drop-items
|
||
*/
|
||
public function getDrops($dragndropId)
|
||
{
|
||
return $this->db->query(
|
||
'SELECT id, top, `left`, width, height '. //, questtypes_dragndrop_drag_id '.
|
||
'FROM questtypes_dragndrop_drops '.
|
||
'WHERE questtypes_dragndrop_id = ?',
|
||
'i',
|
||
$dragndropId
|
||
);
|
||
}
|
||
|
||
|
||
/**
|
||
* Get Drag-items.
|
||
*
|
||
* @param int $dragndropId ID of Drag&Drop-field
|
||
* @param boolean $onlyUsed Only Drag-items that are used for a Drop-item
|
||
* @return array Drag-items
|
||
*/
|
||
public function getDrags($dragndropId, $onlyUsed=false)
|
||
{
|
||
return $this->db->query(
|
||
'SELECT id, questmedia_id '.
|
||
'FROM questtypes_dragndrop_drags '.
|
||
'WHERE questtypes_dragndrop_id = ?'.
|
||
($onlyUsed
|
||
? ' AND EXISTS ('.
|
||
'SELECT questtypes_dragndrop_drag_id '.
|
||
'FROM questtypes_dragndrop_drops_drags '.
|
||
'WHERE questtypes_dragndrop_drag_id = questtypes_dragndrop_drags.id'.
|
||
')'
|
||
: null
|
||
),
|
||
'i',
|
||
$dragndropId
|
||
);
|
||
}
|
||
|
||
|
||
/**
|
||
* Check if a Drag-item mathes a Drop-item.
|
||
*
|
||
* @param int $dragId ID of Drag-field
|
||
* @param int $dropId ID of Drop-field
|
||
* @return boolean Drag-item is valid for Drop-item
|
||
*/
|
||
public function dragMatchesDrop($dragId, $dropId)
|
||
{
|
||
$data = $this->db->query(
|
||
'SELECT count(*) AS c '.
|
||
'FROM questtypes_dragndrop_drops_drags '.
|
||
'WHERE questtypes_dragndrop_drop_id = ? AND questtypes_dragndrop_drag_id = ?',
|
||
'ii',
|
||
$dropId, $dragId
|
||
);
|
||
if(!empty($data)) {
|
||
return ($data[0]['c'] > 0);
|
||
}
|
||
|
||
|
||
return false;
|
||
}
|
||
|
||
|
||
/**
|
||
* Save Character’s submitted answer for one Drop-field.
|
||
*
|
||
* @param int $dropId ID of Drop-field
|
||
* @param int $characterId ID of Character
|
||
* @param string $answer Submitted Drag-field-ID for this field
|
||
*/
|
||
public function setCharacterSubmission($dropId, $characterId, $answer)
|
||
{
|
||
if(is_null($answer))
|
||
{
|
||
$this->db->query(
|
||
'DELETE FROM questtypes_dragndrop_drops_characters '.
|
||
'WHERE questtypes_dragndrop_drop_id = ? AND character_id = ?',
|
||
'ii',
|
||
$dropId, $characterId
|
||
);
|
||
}
|
||
else
|
||
{
|
||
$this->db->query(
|
||
'INSERT INTO questtypes_dragndrop_drops_characters '.
|
||
'(questtypes_dragndrop_drop_id, character_id, questtypes_dragndrop_drag_id) '.
|
||
'VALUES '.
|
||
'(?, ?, ?) '.
|
||
'ON DUPLICATE KEY UPDATE '.
|
||
'questtypes_dragndrop_drag_id = ?',
|
||
'iiii',
|
||
$dropId, $characterId, $answer, $answer
|
||
);
|
||
}
|
||
}
|
||
|
||
|
||
/**
|
||
* Get Character’s saved answer for one Drop-field.
|
||
*
|
||
* @param int $dropId ID of Drop-field
|
||
* @param int $characterId ID of Character
|
||
* @return int ID of Drag-field or null
|
||
*/
|
||
public function getCharacterSubmission($dropId, $characterId)
|
||
{
|
||
$data = $this->db->query(
|
||
'SELECT questtypes_dragndrop_drag_id '.
|
||
'FROM questtypes_dragndrop_drops_characters '.
|
||
'WHERE questtypes_dragndrop_drop_id = ? AND character_id = ?',
|
||
'ii',
|
||
$dropId, $characterId
|
||
);
|
||
if(!empty($data)) {
|
||
return $data[0]['questtypes_dragndrop_drag_id'];
|
||
}
|
||
|
||
|
||
return null;
|
||
}
|
||
|
||
}
|
||
|
||
?>
|