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<?php
namespace Kanboard\Filter;
use Kanboard\Core\Filter\FilterInterface;
use Kanboard\Model\Subtask;
use Kanboard\Model\Task;
use Kanboard\Model\User;
use PicoDb\Database;
use PicoDb\Table;
/**
* Filter tasks by subtasks assignee
*
* @package filter
* @author Frederic Guillot
*/
class TaskSubtaskAssigneeFilter extends BaseFilter implements FilterInterface
{
/**
* Database object
*
* @access private
* @var Database
*/
private $db;
/**
* Current user id
*
* @access private
* @var int
*/
private $currentUserId = 0;
/**
* Set current user id
*
* @access public
* @param integer $userId
* @return TaskSubtaskAssigneeFilter
*/
public function setCurrentUserId($userId)
{
$this->currentUserId = $userId;
return $this;
}
/**
* Set database object
*
* @access public
* @param Database $db
* @return TaskSubtaskAssigneeFilter
*/
public function setDatabase(Database $db)
{
$this->db = $db;
return $this;
}
/**
* Get search attribute
*
* @access public
* @return string[]
*/
public function getAttributes()
{
return array('subtask:assignee');
}
/**
* Apply filter
*
* @access public
* @return string
*/
public function apply()
{
$task_ids = $this->getSubQuery()->findAllByColumn('task_id');
if (! empty($task_ids)) {
$this->query->in(Task::TABLE.'.id', $task_ids);
} else {
$this->query->eq(Task::TABLE.'.id', 0); // No match
}
}
/**
* Get subquery
*
* @access protected
* @return Table
*/
protected function getSubQuery()
{
$subquery = $this->db->table(Subtask::TABLE)
->columns(
Subtask::TABLE.'.user_id',
Subtask::TABLE.'.task_id',
User::TABLE.'.name',
User::TABLE.'.username'
)
->join(User::TABLE, 'id', 'user_id', Subtask::TABLE)
->neq(Subtask::TABLE.'.status', Subtask::STATUS_DONE);
return $this->applySubQueryFilter($subquery);
}
/**
* Apply subquery filter
*
* @access protected
* @param Table $subquery
* @return Table
*/
protected function applySubQueryFilter(Table $subquery)
{
if (is_int($this->value) || ctype_digit($this->value)) {
$subquery->eq(Subtask::TABLE.'.user_id', $this->value);
} else {
switch ($this->value) {
case 'me':
$subquery->eq(Subtask::TABLE.'.user_id', $this->currentUserId);
break;
case 'nobody':
$subquery->eq(Subtask::TABLE.'.user_id', 0);
break;
default:
$subquery->beginOr();
$subquery->ilike(User::TABLE.'.username', $this->value.'%');
$subquery->ilike(User::TABLE.'.name', '%'.$this->value.'%');
$subquery->closeOr();
}
}
return $subquery;
}
}
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