GlobalAutoLinkSettings

Complexity

Total Complexity

16

Size/Duplication

Total Lines	122
Duplicated Lines	0 %

Coupling/Cohesion

Components	4
Dependencies	4

Importance

Changes

0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	ExcludeTags()	0	3	1
A	IncludeInFields()	0	3	1
A	requireDefaultRecords()	0	16	3
A	createCrawlID()	0	10	3
B	AllowedIn()	0	23	6
A	get_current()	0	8	2

<?php
/**
 * Plugin: SEOToolbox
 * Author: Dylan Grech
 * Copyright: 2016
 *
 * Global Auto Link Settings is a dataobject that is auto-created
 * on dev/build and contains all the global settings for the
 * automated links
 *
 * @property int MaxLinksPerPage
 * @property string ExcludeTags
 * @property string IncludeIn
 * @property string AddTo
 * @property string CrawlID
 */
class GlobalAutoLinkSettings extends DataObject{

	public static $enabled  = true;
    public static $encoding = 'UTF-8';

	private static $db = array(
		'MaxLinksPerPage' => 'INT',
		'ExcludeTags'	  => 'VARCHAR(255)',
		'IncludeIn'		  => 'Text',
		'AddTo'           => 'Text',
        'CrawlID'         => 'VARCHAR(15)'
	);

	private static $defaults = array(
		'IncludeIn' => 'Content'
	);

    public static $default_create_config = array(
        'MaxLinksPerPage' => 0,
        'ExcludeTags'     => 'pre,h1,h2,h3,h4,h5,h6',
        'IncludeIn'		  => 'Content'
    );

    /**
     * Return an array of all html tags we'll exclude
     *
     * @return array
     */
	public function ExcludeTags(){
		return array_unique( explode( ',', str_replace( ' ', '', $this->ExcludeTags ).',a,img,iframe,video,object' ) );
	}

    /**
     * Return an array of where automated links can be created
     *
     * @return array
     */
	public function IncludeInFields(){
		return explode( ',', str_replace( ' ', '', $this->IncludeIn ) );
	}

    public function requireDefaultRecords() {
        $hasData = self::get()->first();
        if(!$hasData) {
            $obj = self::create(self::$default_create_config);
            $obj->CrawlID = $this->createCrawlID();
            $obj->write();
            DB::alteration_message("Added default Global Auto Link Settings","created");
        } else{
            if(!$hasData->CrawlID){
                $hasData->CrawlID = $this->createCrawlID();
                $hasData->write();
            }
        }

        parent::requireDefaultRecords();
    }

    /**
     * Create a random CrawlID
     *
     * @return string
     */
    private function createCrawlID() {
        $ret   = '';
        $alpha = 'abcdefghijklm[)0123456789(]nopqrstuvwxyz';
        $alpha_len = strlen($alpha);

        while (strlen($ret) < 14)
            $ret .= (rand(0, 1) == 0) ? strtoupper($alpha[rand(0, $alpha_len-1)]) : $alpha[rand(0, $alpha_len-1)];

        return $ret;
    }

    /**
     * Returns a list of ClassNames where
     * auto links are allowed in
     *
     * Note: This function tries to cleanup user input
     *
     * @return array
     */
        public function AllowedIn(){
        $classes = array_values( ClassInfo::subclassesFor( 'SiteTree' ) );
        if( !$this->AddTo ) return $classes;

        $sanitized = explode( ',', str_replace( ' ', '', strtolower( $this->AddTo ) ) );
        $len       = count($sanitized);

        for( $x = 0; $x < $len; $x++ ){
            $found = false;

            foreach( $classes as $class ){
                if( strtolower( $class ) === $sanitized[$x] ){
                    $sanitized[$x] = $class;
                    $found = true;
                    break 1;
                }
            }

            if( !$found ) unset( $sanitized[$x] );
        }

        return (array) $sanitized;
        }

    /**
     * Gets the current config
     *
     * @return \DataObject
     * @throws \ValidationException
     * @throws null
     */
    public static function get_current() {
        $obj = self::get()->first();
        if (!$obj) {
            self::create(self::$default_create_config)->write();
            self::flush_and_destroy_cache();
        }
        return $obj;
    }
}