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<?php
namespace Kanboard\Model;
use Kanboard\Core\Base;
/**
* TaskLink model
*
* @package Kanboard\Model
* @author Olivier Maridat
* @author Frederic Guillot
*/
class TaskLinkModel extends Base
{
/**
* SQL table name
*
* @var string
*/
const TABLE = 'task_has_links';
/**
* Events
*
* @var string
*/
const EVENT_CREATE_UPDATE = 'task_internal_link.create_update';
const EVENT_DELETE = 'task_internal_link.delete';
/**
* Get projectId from $task_link_id
*
* @access public
* @param integer $task_link_id
* @return integer
*/
public function getProjectId($task_link_id)
{
return $this->db
->table(self::TABLE)
->eq(self::TABLE.'.id', $task_link_id)
->join(TaskModel::TABLE, 'id', 'task_id')
->findOneColumn(TaskModel::TABLE . '.project_id') ?: 0;
}
/**
* 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)
->columns(
self::TABLE.'.id',
self::TABLE.'.opposite_task_id',
self::TABLE.'.task_id',
self::TABLE.'.link_id',
LinkModel::TABLE.'.label',
LinkModel::TABLE.'.opposite_id AS opposite_link_id'
)
->eq(self::TABLE.'.id', $task_link_id)
->join(LinkModel::TABLE, 'id', 'link_id')
->findOne();
}
/**
* Get the opposite task link (use the unique index task_has_links_unique)
*
* @access public
* @param array $task_link
* @return array
*/
public function getOppositeTaskLink(array $task_link)
{
$opposite_link_id = $this->linkModel->getOppositeLinkId($task_link['link_id']);
return $this->db->table(self::TABLE)
->eq('opposite_task_id', $task_link['task_id'])
->eq('task_id', $task_link['opposite_task_id'])
->eq('link_id', $opposite_link_id)
->findOne();
}
/**
* Get all links attached to a task
*
* @access public
* @param integer $task_id Task id
* @return array
*/
public function getAll($task_id)
{
return $this->db
->table(self::TABLE)
->columns(
self::TABLE.'.id',
self::TABLE.'.opposite_task_id AS task_id',
LinkModel::TABLE.'.label',
TaskModel::TABLE.'.title',
TaskModel::TABLE.'.is_active',
TaskModel::TABLE.'.project_id',
TaskModel::TABLE.'.column_id',
TaskModel::TABLE.'.color_id',
TaskModel::TABLE.'.date_completed',
TaskModel::TABLE.'.date_started',
TaskModel::TABLE.'.date_due',
TaskModel::TABLE.'.time_spent AS task_time_spent',
TaskModel::TABLE.'.time_estimated AS task_time_estimated',
TaskModel::TABLE.'.owner_id AS task_assignee_id',
UserModel::TABLE.'.username AS task_assignee_username',
UserModel::TABLE.'.name AS task_assignee_name',
ColumnModel::TABLE.'.title AS column_title',
ProjectModel::TABLE.'.name AS project_name'
)
->eq(self::TABLE.'.task_id', $task_id)
->join(LinkModel::TABLE, 'id', 'link_id')
->join(TaskModel::TABLE, 'id', 'opposite_task_id')
->join(ColumnModel::TABLE, 'id', 'column_id', TaskModel::TABLE)
->join(UserModel::TABLE, 'id', 'owner_id', TaskModel::TABLE)
->join(ProjectModel::TABLE, 'id', 'project_id', TaskModel::TABLE)
->asc(LinkModel::TABLE.'.id')
->desc(ColumnModel::TABLE.'.position')
->desc(TaskModel::TABLE.'.is_active')
->asc(TaskModel::TABLE.'.position')
->asc(TaskModel::TABLE.'.id')
->findAll();
}
/**
* Get all links attached to a task grouped by label
*
* @access public
* @param integer $task_id Task id
* @return array
*/
public function getAllGroupedByLabel($task_id)
{
$links = $this->getAll($task_id);
$result = array();
foreach ($links as $link) {
if (! isset($result[$link['label']])) {
$result[$link['label']] = array();
}
$result[$link['label']][] = $link;
}
return $result;
}
/**
* Create a new link
*
* @access public
* @param integer $task_id Task id
* @param integer $opposite_task_id Opposite task id
* @param integer $link_id Link id
* @return integer|boolean
*/
public function create($task_id, $opposite_task_id, $link_id)
{
$this->db->startTransaction();
$opposite_link_id = $this->linkModel->getOppositeLinkId($link_id);
$task_link_id1 = $this->createTaskLink($task_id, $opposite_task_id, $link_id);
$task_link_id2 = $this->createTaskLink($opposite_task_id, $task_id, $opposite_link_id);
if ($task_link_id1 === false || $task_link_id2 === false) {
$this->db->cancelTransaction();
return false;
}
$this->db->closeTransaction();
$this->fireEvents(array($task_link_id1, $task_link_id2), self::EVENT_CREATE_UPDATE);
return $task_link_id1;
}
/**
* Update a task link
*
* @access public
* @param integer $task_link_id Task link id
* @param integer $task_id Task id
* @param integer $opposite_task_id Opposite task id
* @param integer $link_id Link id
* @return boolean
*/
public function update($task_link_id, $task_id, $opposite_task_id, $link_id)
{
$this->db->startTransaction();
$task_link = $this->getById($task_link_id);
$opposite_task_link = $this->getOppositeTaskLink($task_link);
$opposite_link_id = $this->linkModel->getOppositeLinkId($link_id);
$result1 = $this->updateTaskLink($task_link_id, $task_id, $opposite_task_id, $link_id);
$result2 = $this->updateTaskLink($opposite_task_link['id'], $opposite_task_id, $task_id, $opposite_link_id);
if ($result1 === false || $result2 === false) {
$this->db->cancelTransaction();
return false;
}
$this->db->closeTransaction();
$this->fireEvents(array($task_link_id, $opposite_task_link['id']), self::EVENT_CREATE_UPDATE);
return true;
}
/**
* Remove a link between two tasks
*
* @access public
* @param integer $task_link_id
* @return boolean
*/
public function remove($task_link_id)
{
$this->taskLinkEventJob->execute($task_link_id, self::EVENT_DELETE);
$this->db->startTransaction();
$link = $this->getById($task_link_id);
$link_id = $this->linkModel->getOppositeLinkId($link['link_id']);
$result1 = $this->db
->table(self::TABLE)
->eq('id', $task_link_id)
->remove();
$result2 = $this->db
->table(self::TABLE)
->eq('opposite_task_id', $link['task_id'])
->eq('task_id', $link['opposite_task_id'])
->eq('link_id', $link_id)
->remove();
if ($result1 === false || $result2 === false) {
$this->db->cancelTransaction();
return false;
}
$this->db->closeTransaction();
return true;
}
/**
* Publish events
*
* @access protected
* @param integer[] $task_link_ids
* @param string $eventName
*/
protected function fireEvents(array $task_link_ids, $eventName)
{
foreach ($task_link_ids as $task_link_id) {
$this->queueManager->push($this->taskLinkEventJob->withParams($task_link_id, $eventName));
}
}
/**
* Create task link
*
* @access protected
* @param integer $task_id
* @param integer $opposite_task_id
* @param integer $link_id
* @return integer|boolean
*/
protected function createTaskLink($task_id, $opposite_task_id, $link_id)
{
return $this->db->table(self::TABLE)->persist(array(
'task_id' => $task_id,
'opposite_task_id' => $opposite_task_id,
'link_id' => $link_id,
));
}
/**
* Update task link
*
* @access protected
* @param integer $task_link_id
* @param integer $task_id
* @param integer $opposite_task_id
* @param integer $link_id
* @return boolean
*/
protected function updateTaskLink($task_link_id, $task_id, $opposite_task_id, $link_id)
{
return $this->db->table(self::TABLE)->eq('id', $task_link_id)->update(array(
'task_id' => $task_id,
'opposite_task_id' => $opposite_task_id,
'link_id' => $link_id,
));
}
}
|
