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