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<?php |
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/** |
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* Plugin: SEOToolbox |
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* Author: Dylan Grech |
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* Copyright: 2016 |
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* |
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* Global Auto Link Settings is a dataobject that is auto-created |
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* on dev/build and contains all the global settings for the |
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* automated links |
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* |
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* @property int MaxLinksPerPage |
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* @property string ExcludeTags |
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* @property string IncludeIn |
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* @property string AddTo |
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* @property string CrawlID |
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*/ |
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class GlobalAutoLinkSettings extends DataObject{ |
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public static $enabled = true; |
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public static $encoding = 'UTF-8'; |
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private static $db = array( |
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'MaxLinksPerPage' => 'INT', |
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'ExcludeTags' => 'VARCHAR(255)', |
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'IncludeIn' => 'Text', |
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'AddTo' => 'Text', |
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'CrawlID' => 'VARCHAR(15)' |
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); |
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private static $defaults = array( |
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'IncludeIn' => 'Content' |
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); |
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public static $default_create_config = array( |
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'MaxLinksPerPage' => 0, |
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'ExcludeTags' => 'pre,h1,h2,h3,h4,h5,h6', |
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'IncludeIn' => 'Content' |
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); |
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/** |
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* Return an array of all html tags we'll exclude |
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* |
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* @return array |
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*/ |
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public function ExcludeTags(){ |
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return array_unique( explode( ',', str_replace( ' ', '', $this->ExcludeTags ).',a,img,iframe,video,object' ) ); |
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} |
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/** |
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* Return an array of where automated links can be created |
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* |
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* @return array |
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*/ |
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public function IncludeInFields(){ |
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return explode( ',', str_replace( ' ', '', $this->IncludeIn ) ); |
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} |
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public function requireDefaultRecords() { |
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$hasData = self::get()->first(); |
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if(!$hasData) { |
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$obj = self::create(self::$default_create_config); |
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$obj->CrawlID = $this->createCrawlID(); |
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$obj->write(); |
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DB::alteration_message("Added default Global Auto Link Settings","created"); |
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} else{ |
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if(!$hasData->CrawlID){ |
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$hasData->CrawlID = $this->createCrawlID(); |
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$hasData->write(); |
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} |
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} |
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parent::requireDefaultRecords(); |
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} |
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/** |
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* Create a random CrawlID |
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* |
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* @return string |
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*/ |
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private function createCrawlID() { |
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$ret = ''; |
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$alpha = 'abcdefghijklm[)0123456789(]nopqrstuvwxyz'; |
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$alpha_len = strlen($alpha); |
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while (strlen($ret) < 14) |
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$ret .= (rand(0, 1) == 0) ? strtoupper($alpha[rand(0, $alpha_len-1)]) : $alpha[rand(0, $alpha_len-1)]; |
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return $ret; |
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} |
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/** |
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* Returns a list of ClassNames where |
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* auto links are allowed in |
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* |
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* Note: This function tries to cleanup user input |
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* |
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* @return array |
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*/ |
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public function AllowedIn(){ |
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$classes = array_values( ClassInfo::subclassesFor( 'SiteTree' ) ); |
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if( !$this->AddTo ) return $classes; |
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$sanitized = explode( ',', str_replace( ' ', '', strtolower( $this->AddTo ) ) ); |
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$len = count($sanitized); |
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for( $x = 0; $x < $len; $x++ ){ |
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$found = false; |
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foreach( $classes as $class ){ |
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if( strtolower( $class ) === $sanitized[$x] ){ |
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$sanitized[$x] = $class; |
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$found = true; |
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break 1; |
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} |
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} |
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if( !$found ) unset( $sanitized[$x] ); |
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} |
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return (array) $sanitized; |
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} |
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/** |
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* Gets the current config |
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* |
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* @return \DataObject |
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* @throws \ValidationException |
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* @throws null |
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*/ |
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public static function get_current() { |
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$obj = self::get()->first(); |
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if (!$obj) { |
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self::create(self::$default_create_config)->write(); |
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self::flush_and_destroy_cache(); |
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} |
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return $obj; |
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} |
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} |
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dylangrech92 /
seotoolbox
