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<?php
namespace Kanboard\Model;
use PDO;
use SimpleValidator\Validator;
use SimpleValidator\Validators;
/**
* Link model
*
* @package model
* @author Olivier Maridat
* @author Frederic Guillot
*/
class Link extends Base
{
/**
* SQL table name
*
* @var string
*/
const TABLE = 'links';
/**
* Get a link by id
*
* @access public
* @param integer $link_id Link id
* @return array
*/
public function getById($link_id)
{
return $this->db->table(self::TABLE)->eq('id', $link_id)->findOne();
}
/**
* Get a link by name
*
* @access public
* @param string $label
* @return array
*/
public function getByLabel($label)
{
return $this->db->table(self::TABLE)->eq('label', $label)->findOne();
}
/**
* Get the opposite link id
*
* @access public
* @param integer $link_id Link id
* @return integer
*/
public function getOppositeLinkId($link_id)
{
return $this->db->table(self::TABLE)->eq('id', $link_id)->findOneColumn('opposite_id') ?: $link_id;
}
/**
* Get all links
*
* @access public
* @return array
*/
public function getAll()
{
return $this->db->table(self::TABLE)->findAll();
}
/**
* Get merged links
*
* @access public
* @return array
*/
public function getMergedList()
{
return $this->db
->execute('
SELECT
links.id, links.label, opposite.label as opposite_label
FROM links
LEFT JOIN links AS opposite ON opposite.id=links.opposite_id
')
->fetchAll(PDO::FETCH_ASSOC);
}
/**
* Get label list
*
* @access public
* @param integer $exclude_id Exclude this link
* @param booelan $prepend Prepend default value
* @return array
*/
public function getList($exclude_id = 0, $prepend = true)
{
$labels = $this->db->hashtable(self::TABLE)->neq('id', $exclude_id)->asc('id')->getAll('id', 'label');
foreach ($labels as &$value) {
$value = t($value);
}
return $prepend ? array('') + $labels : $labels;
}
/**
* Create a new link label
*
* @access public
* @param string $label
* @param string $opposite_label
* @return boolean|integer
*/
public function create($label, $opposite_label = '')
{
$this->db->startTransaction();
if (! $this->db->table(self::TABLE)->insert(array('label' => $label))) {
$this->db->cancelTransaction();
return false;
}
$label_id = $this->db->getLastId();
if (! empty($opposite_label)) {
$this->db
->table(self::TABLE)
->insert(array(
'label' => $opposite_label,
'opposite_id' => $label_id,
));
$this->db
->table(self::TABLE)
->eq('id', $label_id)
->update(array(
'opposite_id' => $this->db->getLastId()
));
}
$this->db->closeTransaction();
return (int) $label_id;
}
/**
* Update a link
*
* @access public
* @param array $values
* @return boolean
*/
public function update(array $values)
{
return $this->db
->table(self::TABLE)
->eq('id', $values['id'])
->update(array(
'label' => $values['label'],
'opposite_id' => $values['opposite_id'],
));
}
/**
* Remove a link a the relation to its opposite
*
* @access public
* @param integer $link_id
* @return boolean
*/
public function remove($link_id)
{
$this->db->table(self::TABLE)->eq('opposite_id', $link_id)->update(array('opposite_id' => 0));
return $this->db->table(self::TABLE)->eq('id', $link_id)->remove();
}
/**
* 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('label', t('Field required')),
new Validators\Unique('label', t('This label must be unique'), $this->db->getConnection(), self::TABLE),
new Validators\NotEquals('label', 'opposite_label', t('The labels must be different')),
));
return array(
$v->execute(),
$v->getErrors()
);
}
/**
* Validate modification
*
* @access public
* @param array $values Form values
* @return array $valid, $errors [0] = Success or not, [1] = List of errors
*/
public function validateModification(array $values)
{
$v = new Validator($values, array(
new Validators\Required('id', t('Field required')),
new Validators\Required('opposite_id', t('Field required')),
new Validators\Required('label', t('Field required')),
new Validators\Unique('label', t('This label must be unique'), $this->db->getConnection(), self::TABLE),
));
return array(
$v->execute(),
$v->getErrors()
);
}
}
|
