40 lines
907 B
PHP
40 lines
907 B
PHP
<?php
|
|
/**
|
|
* Created by PhpStorm.
|
|
* User: tony
|
|
* Date: 7/2/18
|
|
* Time: 12:10 AM
|
|
*/
|
|
|
|
namespace Site\Extensions;
|
|
|
|
use DNADesign\Elemental\Models\BaseElement;
|
|
use DNADesign\Elemental\Models\ElementContent;
|
|
use SilverStripe\ORM\DataExtension;
|
|
|
|
class BlogPostExtension extends DataExtension
|
|
{
|
|
/*
|
|
* Shows custom summary of the post, otherwise
|
|
* Displays summary of the first content element
|
|
*/
|
|
public function Summary($wordsToDisplay = 30)
|
|
{
|
|
$summary = $this->owner->getField('Summary');
|
|
if($summary){
|
|
return $summary;
|
|
}
|
|
|
|
BaseElement::
|
|
$element = ElementContent::get()->filter([
|
|
'ParentID' => $this->owner->ElementalArea()->ID,
|
|
'HTML:not' => [null],
|
|
])->first();
|
|
|
|
if($element){
|
|
return $element->dbObject('HTML')->Summary($wordsToDisplay);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
} |