silverstripe-blog/code/TrackBackURL.php

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PHP
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<?php
class TrackBackURL extends DataObject {
static $db = array(
'URL' => 'Varchar(2048)',
'Pung' => 'Boolean(0)'
);
static $has_one = array(
'BlogEntry' => 'BlogEntry'
);
function getCMSFields_forPopup() {
return new FieldSet(
new TextField('URL'),
new ReadonlyField('Pung', 'Pung?')
);
}
/**
* Return a human-reable string indicate whether the url has been pung or not
* Also update the url if it's duplicate
* @return string - 'Yes' or 'No'
*/
function IsPung() {
if($this->Pung) return _t('TrackBackULR.YES', 'Yes');
if($this->isDuplicate(true)) {
$this->Pung = true;
$this->write();
return _t('TrackBackULR.YES', 'Yes');
}
return _t('TrackBackULR.NO', 'No');
}
/**
* Check if there is a duplication, based on the associcated blog entry and the url.
* If onPung is set, it returns true only when the duplicated record that has Pung = true
* @param boolean
* @return boolean
*/
function isDuplicate($onPung = false) {
$where = "\"BlogEntryID\" = {$this->BlogEntryID} AND \"URL\" = '{$this->URL}' AND \"TrackBackURL\".\"ID\" <> {$this->ID}";
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if($onPung) $where .= " AND \"Pung\" = 1";
if(DataObject::get_one($this->ClassName, $where)) {
return true;
}
return false;
}
}