SearchCategories.php

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<?php

namespace Ajax\semantic\components\search;

class SearchCategories extends AbstractSearchResult {
    private $categories;

    public function __construct() {
        $this->categories=array ();
    }

    public function add($results, $category) {
        $count=\sizeof($this->categories);
        if (\array_key_exists($category, $this->categories)) {
            $this->categories[$category]->addResults($results);
        } else {
            $categoryO=new SearchCategory("category" . $count, $category, $results);
            $this->categories[$category]=$categoryO;
        }
        return $this;
    }

    public function search($query, $field="title") {
        $result=array ();
        foreach ( $this->categories as $category ) {
            $r=$category->search($query, $field);
            if ($r !== false)
                $result[]=$r;
        }
        $this->categories=$result;
        return $this;
    }

    public function __toString() {
        return "{\"results\":{" . \implode(",", \array_values($this->categories)) . "}}";
    }

    public function getResponse() {
        return $this->__toString();
    }

    public function fromDatabaseObjects($objects, $function) {
        parent::fromDatabaseObjects($objects, $function);
    }

    protected function fromDatabaseObject($object, $function) {
        $result=$function($object);
        if ($result instanceof SearchCategory) {
            $this->categories[]=$result;
        }
    }
}