77 lines
1.9 KiB
PHP
77 lines
1.9 KiB
PHP
<?php
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/**
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* This class is responsible for add Blog specific behaviour to Members.
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*
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* @package silverstripe
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* @subpackage blog
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*
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**/
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class BlogMemberExtension extends DataExtension {
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private static $db = array(
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'URLSegment' => 'Varchar',
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'BlogProfileSummary' => 'Text'
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);
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private static $has_one = array(
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'BlogProfileImage' => 'Image'
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);
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private static $belongs_many_many = array(
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'AuthoredPosts' => 'BlogPost'
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);
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public function onBeforeWrite() {
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// Generate a unique URL segment for the Member.
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$count = 1;
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$this->owner->URLSegment = $this->generateURLSegment();
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while(!$this->validURLSegment()) {
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$this->owner->URLSegment = preg_replace('/-[0-9]+$/', null, $this->owner->URLSegment) . '-' . $count;
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$count++;
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}
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}
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public function updateCMSFields(FieldList $fields) {
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$fields->removeByName('URLSegment');
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return $fields;
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}
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/**
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* Generate a unique URL segment based on the Member's name.
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*
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* @return string Generated URL segment.
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*/
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public function generateURLSegment() {
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$filter = URLSegmentFilter::create();
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$name = $this->owner->FirstName . ' ' . $this->owner->Surname;
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$urlSegment = $filter->filter($name);
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// Fallback to generic profile name if path is empty (= no valid, convertable characters)
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if(!$urlSegment || $urlSegment == '-' || $urlSegment == '-1') $urlSegment = "profile-$this->ID";
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return $urlSegment;
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}
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/**
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* Returns TRUE if this object has a URL segment value that does not conflict with any other objects.
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*
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* @return bool
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*/
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public function validURLSegment() {
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$conflict = Member::get()->filter('URLSegment', $this->owner->URLSegment);
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// If the Member we're checking against is saved, exclude them from the check.
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// i.e. don't conflict against yourself.
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if ($this->owner->ID) {
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$conflict = $conflict->exclude('ID', $this->owner->ID);
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}
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return $conflict->count() == 0;
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}
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}
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