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<?php
/*
* VipsBlock.php - Vips block class for Stud.IP
* Copyright (c) 2016 Elmar Ludwig
*
* 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.
*/
/**
* @license GPL2 or any later version
*
* @property int $id database column
* @property string $name database column
* @property string $range_id database column
* @property string|null $group_id database column
* @property int $visible database column
* @property float|null $weight database column
* @property SimpleORMapCollection|VipsAssignment[] $assignments has_many VipsAssignment
* @property Course $course belongs_to Course
* @property Statusgruppen|null $group belongs_to Statusgruppen
*/
class VipsBlock extends SimpleORMap
{
/**
* Configure the database mapping.
*/
protected static function configure($config = [])
{
$config['db_table'] = 'etask_blocks';
$config['has_many']['assignments'] = [
'class_name' => VipsAssignment::class,
'assoc_foreign_key' => 'block_id'
];
$config['belongs_to']['course'] = [
'class_name' => Course::class,
'foreign_key' => 'range_id'
];
$config['belongs_to']['group'] = [
'class_name' => Statusgruppen::class,
'foreign_key' => 'group_id'
];
parent::configure($config);
}
/**
* Delete entry from the database.
*/
public function delete()
{
foreach ($this->assignments as $assignment) {
$assignment->block_id = null;
$assignment->store();
}
return parent::delete();
}
/**
* Check if this block is visible to this user.
*/
public function isVisible(string $user_id): bool
{
$visible = $this->visible;
if ($visible && $this->group_id) {
$visible = StatusgruppeUser::exists([$this->group_id, $user_id]);
}
return $visible;
}
/**
* Get the first assignment attempt of the given user for this block.
* Returns null if there is no assignment attempt for this user.
*
* @param string $user_id user id
*/
public function getAssignmentAttempt(string $user_id): ?VipsAssignmentAttempt
{
$assignment_ids = $this->assignments->pluck('id');
return VipsAssignmentAttempt::findOneBySQL(
'assignment_id IN (?) AND user_id = ? ORDER BY start', [$assignment_ids, $user_id]
);
}
}
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