silverstripe-blog/code/model/BlogTag.php

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2015-05-09 16:33:12 +02:00
<?php
/**
* A blog tag for keyword descriptions of a blog post.
*
* @package silverstripe
* @subpackage blog
*
* @method Blog Blog()
* @method ManyManyList BlogPosts
*
* @property string $Title
* @property string $URLSegment
* @property int $BlogID
*/
class BlogTag extends DataObject implements CategorisationObject {
/**
* @var array
*/
private static $db = array(
'Title' => 'Varchar(255)',
);
/**
* @var array
*/
private static $has_one = array(
'Blog' => 'Blog',
);
/**
* @var array
*/
private static $belongs_many_many = array(
'BlogPosts' => 'BlogPost',
);
/**
* @var array
*/
private static $extensions = array(
'URLSegmentExtension',
);
/**
* {@inheritdoc}
*/
public function getCMSFields() {
$fields = new FieldList(
TextField::create('Title', _t('BlogTag.Title', 'Title'))
);
$this->extend('updateCMSFields', $fields);
return $fields;
}
/**
* Returns a relative URL for the tag link.
*
* @return string
*/
public function getLink() {
return Controller::join_links($this->Blog()->Link(), 'tag', $this->URLSegment);
}
/**
* Inherits from the parent blog or can be overwritten using a DataExtension.
*
* @param null|Member $member
*
* @return bool
*/
public function canView($member = null) {
$extended = $this->extendedCan(__FUNCTION__, $member);
if($extended !== null) {
return $extended;
}
return $this->Blog()->canView($member);
}
/**
* Inherits from the parent blog or can be overwritten using a DataExtension.
*
* @param null|Member $member
*
* @return bool
*/
public function canCreate($member = null) {
$extended = $this->extendedCan(__FUNCTION__, $member);
if($extended !== null) {
return $extended;
}
$permission = Blog::config()->grant_user_permission;
return Permission::checkMember($member, $permission);
}
/**
* Inherits from the parent blog or can be overwritten using a DataExtension.
*
* @param null|Member $member
*
* @return bool
*/
public function canDelete($member = null) {
$extended = $this->extendedCan(__FUNCTION__, $member);
if($extended !== null) {
return $extended;
}
return $this->Blog()->canEdit($member);
}
/**
* Inherits from the parent blog or can be overwritten using a DataExtension.
*
* @param null|Member $member
*
* @return bool
*/
public function canEdit($member = null) {
$extended = $this->extendedCan(__FUNCTION__, $member);
if($extended !== null) {
return $extended;
}
return $this->Blog()->canEdit($member);
}
}