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<?php
/**
* LtiData.php - LTI consumer API for Stud.IP
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* @author Elmar Ludwig
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
*
* @property int $id database column
* @property int $position database column
* @property string $course_id database column
* @property string $title database column
* @property string $description database column
* @property int $tool_id database column
* @property string $launch_url database column
* @property int $mkdate database column
* @property int $chdate database column
* @property JSONArrayObject|null $options database column
* @property SimpleORMapCollection|LtiGrade[] $grades has_many LtiGrade
* @property Course $course belongs_to Course
* @property LtiTool $tool belongs_to LtiTool
*/
class LtiData extends SimpleORMap
{
/**
* Configure the database mapping.
*/
protected static function configure($config = [])
{
$config['db_table'] = 'lti_data';
$config['serialized_fields']['options'] = JSONArrayObject::class;
$config['belongs_to']['course'] = [
'class_name' => Course::class,
'foreign_key' => 'course_id'
];
$config['belongs_to']['tool'] = [
'class_name' => LtiTool::class,
'foreign_key' => 'tool_id'
];
$config['has_many']['grades'] = [
'class_name' => LtiGrade::class,
'assoc_foreign_key' => 'link_id',
'on_delete' => 'delete'
];
parent::configure($config);
}
/**
* Find a single entry by course_id and position.
*
* @return static|null
*/
public static function findByCourseAndPosition($course_id, $position)
{
return self::findOneBySQL('course_id = ? AND position = ?', [$course_id, $position]);
}
/**
* Delete this entity.
*/
public function delete()
{
$db = DBManager::get();
$course_id = $this->course_id;
$position = $this->position;
if ($result = parent::delete()) {
$db->execute('UPDATE lti_data SET position = position - 1 WHERE course_id = ? AND position > ?', [$course_id, $position]);
}
return $result;
}
/**
* Get the launch_url of this entry.
*/
public function getLaunchURL()
{
if ($this->tool_id) {
if (!$this->tool->allow_custom_url && !$this->tool->deep_linking || !$this->launch_url) {
return $this->tool->launch_url;
}
}
return $this->launch_url;
}
/**
* Get the consumer_key of this entry.
*/
public function getConsumerKey()
{
if ($this->tool_id) {
return $this->tool->consumer_key;
}
return $this->options['consumer_key'];
}
/**
* Get the consumer_secret of this entry.
*/
public function getConsumerSecret()
{
if ($this->tool_id) {
return $this->tool->consumer_secret;
}
return $this->options['consumer_secret'];
}
/**
* Get the oauth_signature_method of this entry.
*/
public function getOauthSignatureMethod()
{
if ($this->tool_id) {
return $this->tool->oauth_signature_method;
}
return $this->options['oauth_signature_method'] ?? 'sha1';
}
/**
* Get the custom_parameters of this entry.
*/
public function getCustomParameters()
{
if ($this->tool_id) {
return $this->tool->custom_parameters . "\n" . $this->options['custom_parameters'];
}
return $this->options['custom_parameters'];
}
/**
* Get the send_lis_person attribute of this entry.
*/
public function getSendLisPerson()
{
if ($this->tool_id) {
return $this->tool->send_lis_person;
}
return $this->options['send_lis_person'];
}
}
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