<?php
// +-------------------------------------------------+
// © 2002-2004 PMB Services / www.sigb.net pmb@sigb.net et contributeurs (voir www.sigb.net)
// +-------------------------------------------------+
// $Id: authorities_collection.class.php,v 1.11.4.2 2020/04/22 12:50:39 arenou Exp $

if (stristr($_SERVER['REQUEST_URI'], ".class.php")) die("no access");

require_once ($class_path . "/author.class.php");
require_once ($class_path . "/category.class.php");
require_once ($class_path . "/editor.class.php");
require_once ($class_path . "/collection.class.php");
require_once ($class_path . "/subcollection.class.php");
require_once ($class_path . "/serie.class.php");
require_once ($class_path . "/indexint.class.php");
require_once ($class_path . "/titre_uniforme.class.php");
require_once ($class_path . "/skos/skos_concept.class.php");
require_once ($class_path . "/concept.class.php");
require_once ($class_path . "/authperso_authority.class.php");

class authorities_collection
{

    public const OPTIMIZE_MEMORY = 0;

    public const OPTIMIZE_SPEED = 1;

    private static $authorities = array();

    private static $optimizer = self::OPTIMIZE_SPEED;

    private static $nbInCollections = 0;

    static public function get_authority($authority_type, $authority_id, $params = array())
    {
        $authority_type = intval($authority_type);
        $authority_id = intval($authority_id);
        if (! $authority_type) {
            return null;
        }
        if (isset($params['num_object']) && isset($params['type_object']) && isset(self::$authorities[$authority_type][$params['num_object'] . '_' . $params['type_object']])) {
            return self::$authorities[$authority_type][$params['num_object'] . '_' . $params['type_object']];
        }
        if ($authority_id > 0 && isset(self::$authorities[$authority_type][$authority_id])) {
            return self::$authorities[$authority_type][$authority_id];
        }

        if (! isset(self::$authorities[$authority_type]) || count(self::$authorities[$authority_type]) > 10000) {
            self::$authorities[$authority_type] = array();
        }

        if (self::$optimizer === self::OPTIMIZE_MEMORY && self::$nbInCollections >= 100) {
            self::$authorities = [];
            self::$nbInCollections=0;
        }

        switch ($authority_type) {
            case AUT_TABLE_AUTHORS:
                if (! isset($params['recursif']))
                    $params['recursif'] = 0;
                self::$authorities[$authority_type][$authority_id] = new auteur($authority_id, $params['recursif']);
                break;
            case AUT_TABLE_CATEG:
                global $lang;
                self::$authorities[$authority_type][$authority_id] = new category($authority_id, $lang);
                break;
            case AUT_TABLE_PUBLISHERS:
                self::$authorities[$authority_type][$authority_id] = new editeur($authority_id);
                break;
            case AUT_TABLE_COLLECTIONS:
                self::$authorities[$authority_type][$authority_id] = new collection($authority_id);
                break;
            case AUT_TABLE_SUB_COLLECTIONS:
                self::$authorities[$authority_type][$authority_id] = new subcollection($authority_id);
                break;
            case AUT_TABLE_SERIES:
                self::$authorities[$authority_type][$authority_id] = new serie($authority_id);
                break;
            case AUT_TABLE_INDEXINT:
                self::$authorities[$authority_type][$authority_id] = new indexint($authority_id);
                break;
            case AUT_TABLE_TITRES_UNIFORMES:
                self::$authorities[$authority_type][$authority_id] = new titre_uniforme($authority_id);
                break;
            case AUT_TABLE_CONCEPT:
                self::$authorities[$authority_type][$authority_id] = new skos_concept($authority_id);
                break;
            case AUT_TABLE_INDEX_CONCEPT:
                self::$authorities[$authority_type][$authority_id] = new concept($authority_id);
                break;
            case AUT_TABLE_AUTHPERSO:
                self::$authorities[$authority_type][$authority_id] = new authperso_authority($authority_id);
                break;
            case AUT_TABLE_CATEGORIES:
                self::$authorities[$authority_type][$authority_id] = new categories($authority_id, $params['lang'], $params['for_indexation']);
                break;
            case AUT_TABLE_AUTHORITY:
                if (! isset($params['num_object']))
                    $params['num_object'] = '';
                if ($authority_id > 0) {
                    $aut = new authority($authority_id);
                } else {
                    $aut = new authority($authority_id, $params['num_object'], $params['type_object']);
                    $authority_id = $aut->get_id();
                }
                self::$authorities[$authority_type][$authority_id] = $aut;
                self::$nbInCollections ++;
                self::$authorities[$authority_type][$aut->get_num_object() . '_' . $aut->get_type_object()] = $aut;
                break;
            default:
                return null;
        }
        self::$nbInCollections ++;
        return self::$authorities[$authority_type][$authority_id];
    }

    public static function setOptimizer($what = self::OPTIMIZE_SPEED)
    {
        self::$optimizer = $what;
    }
}