<?php

// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
//
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id$

class Search_FacetProvider implements Search_FacetProvider_Interface
{
    private $facets = [];

    public function addContentSource($type, Search_ContentSource_Interface $source)
    {
        if ($source instanceof Search_FacetProvider_Interface) {
            $this->addProvider($source);
        }
    }

    public function addGlobalSource(Search_GlobalSource_Interface $source)
    {
        if ($source instanceof Search_FacetProvider_Interface) {
            $this->addProvider($source);
        }
    }

    public function addProvider(Search_FacetProvider_Interface $provider)
    {
        $this->addFacets($provider->getFacets());
    }

    public function addFacets(array $facets)
    {
        foreach ($facets as $facet) {
            $this->facets[$facet->getName()] = $facet;
        }
    }

    /**
     * @return \Search_Query_Facet_Term[]
     */
    public function getFacets()
    {
        return $this->facets;
    }

    /**
     * @param string $name
     *
     * @return \Search_Query_Facet_Term|void
     */
    public function getFacet($name)
    {
        if (isset($this->facets[$name])) {
            return $this->facets[$name];
        }
    }
}