silverstripe-blog/code/extensions/BlogMemberExtension.php

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2015-03-22 23:18:02 +01:00
<?php
/**
* This class is responsible for add Blog specific behaviour to Members.
*
* @package silverstripe
* @subpackage blog
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*/
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class BlogMemberExtension extends DataExtension
{
/**
* @var array
*/
private static $db = array(
'URLSegment' => 'Varchar',
'BlogProfileSummary' => 'Text',
);
/**
* @var array
*/
private static $has_one = array(
'BlogProfileImage' => 'Image',
);
/**
* @var array
*/
private static $belongs_many_many = array(
'BlogPosts' => 'BlogPost',
);
/**
* {@inheritdoc}
*/
public function onBeforeWrite()
{
$count = 1;
$this->owner->URLSegment = $this->generateURLSegment();
while (!$this->validURLSegment()) {
$this->owner->URLSegment = preg_replace('/-[0-9]+$/', null, $this->owner->URLSegment) . '-' . $count;
$count++;
}
}
/**
* Generate a unique URL segment based on the Member's name.
*
* @return string
*/
public function generateURLSegment()
{
$filter = URLSegmentFilter::create();
$name = $this->owner->FirstName . ' ' . $this->owner->Surname;
$urlSegment = $filter->filter($name);
if (!$urlSegment || $urlSegment == '-' || $urlSegment == '-1') {
$urlSegment = 'profile-' . $this->owner->ID;
}
return $urlSegment;
}
/**
* Returns TRUE if this object has a URL segment value that does not conflict with any other
* objects.
*
* @return bool
*/
public function validURLSegment()
{
$conflict = Member::get()->filter('URLSegment', $this->owner->URLSegment);
if ($this->owner->ID) {
$conflict = $conflict->exclude('ID', $this->owner->ID);
}
return $conflict->count() == 0;
}
/**
* {@inheritdoc}
*/
public function updateCMSFields(FieldList $fields)
{
$fields->removeByName('URLSegment');
// Remove the automatically-generated posts tab.
$fields->removeFieldFromTab('Root', 'BlogPosts');
// Construct a better posts tab.
Requirements::css(BLOGGER_DIR . '/css/cms.css');
Requirements::javascript(BLOGGER_DIR . '/js/cms.js');
$tab = new Tab('BlogPosts', 'Blog Posts');
$gridField = new GridField(
'BlogPosts',
'Blog Posts',
$this->owner->BlogPosts(),
new GridFieldConfig_BlogPost()
);
$tab->Fields()->add($gridField);
$fields->addFieldToTab('Root', $tab);
return $fields;
}
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}