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|
<?php
namespace Model;
use SimpleValidator\Validator;
use SimpleValidator\Validators;
/**
* TaskLink model
*
* @package model
* @author Olivier Maridat
* @author Frederic Guillot
*/
class TaskLink extends Base
{
/**
* SQL table name
*
* @var string
*/
const TABLE = 'task_has_links';
/**
* Get a task link
*
* @access public
* @param integer $task_link_id Task link id
* @return array
*/
public function getById($task_link_id)
{
return $this->db->table(self::TABLE)->eq('id', $task_link_id)->findOne();
}
/**
* Get all links attached to a task
*
* @access public
* @param integer $task_id Task id
* @return array
*/
public function getLinks($task_id)
{
return $this->db
->table(self::TABLE)
->columns(
self::TABLE.'.id',
self::TABLE.'.opposite_task_id AS task_id',
Link::TABLE.'.label',
Task::TABLE.'.title',
Task::TABLE.'.is_active',
Task::TABLE.'.project_id'
)
->eq(self::TABLE.'.task_id', $task_id)
->join(Link::TABLE, 'id', 'link_id')
->join(Task::TABLE, 'id', 'opposite_task_id')
->findAll();
}
/**
* Create a new link
*
* @access public
* @param integer $task_id Task id
* @param integer $opposite_task_id Opposite task id
* @param integer $link_id Link id
* @return boolean
*/
public function create($task_id, $opposite_task_id, $link_id)
{
$this->db->startTransaction();
// Create the original link
$this->db->table(self::TABLE)->insert(array(
'task_id' => $task_id,
'opposite_task_id' => $opposite_task_id,
'link_id' => $link_id,
));
$link_id = $this->link->getOppositeLinkId($link_id);
// Create the opposite link
$this->db->table(self::TABLE)->insert(array(
'task_id' => $opposite_task_id,
'opposite_task_id' => $task_id,
'link_id' => $link_id,
));
$this->db->closeTransaction();
return true;
}
/**
* Remove a link between two tasks
*
* @access public
* @param integer $task_link_id
* @return boolean
*/
public function remove($task_link_id)
{
$this->db->startTransaction();
$link = $this->getById($task_link_id);
$link_id = $this->link->getOppositeLinkId($link['link_id']);
$this->db->table(self::TABLE)->eq('id', $task_link_id)->remove();
$this->db
->table(self::TABLE)
->eq('opposite_task_id', $link['task_id'])
->eq('task_id', $link['opposite_task_id'])
->eq('link_id', $link_id)->remove();
$this->db->closeTransaction();
return true;
}
/**
* Validate creation
*
* @access public
* @param array $values Form values
* @return array $valid, $errors [0] = Success or not, [1] = List of errors
*/
public function validateCreation(array $values)
{
$v = new Validator($values, array(
new Validators\Required('task_id', t('Field required')),
new Validators\Required('link_id', t('Field required')),
new Validators\Required('title', t('Field required')),
));
return array(
$v->execute(),
$v->getErrors()
);
}
}
|
