WebSVN – Sites.tela-botanica.org – /trunk/actu/ecrire/inc_optimiser.php3

<?php

/***************************************************************************\
 *  SPIP, Systeme de publication pour l'internet                           *
 *                                                                         *
 *  Copyright (c) 2001-2005                                                *
 *  Arnaud Martin, Antoine Pitrou, Philippe Riviere, Emmanuel Saint-James  *
 *                                                                         *
 *  Ce programme est un logiciel libre distribue sous licence GNU/GPL.     *
 *  Pour plus de details voir le fichier COPYING.txt ou l'aide en ligne.   *
\***************************************************************************/


//
// Ce fichier ne sera execute qu'une fois
if (defined("_ECRIRE_OPTIMISER")) return;
define("_ECRIRE_OPTIMISER", "1");


function optimiser_base() {
        spip_log ("optimisation de la base");

        $mydate = date("YmdHis", time() - 24 * 3600);

        //
        // Rubriques
        //

        $query = "SELECT id_rubrique FROM spip_rubriques";
        $result = spip_query($query);
        $rubriques = '0';
        while ($row = spip_fetch_array($result)) $rubriques .= ','.$row['id_rubrique'];

        if ($rubriques) {
                $query = "DELETE FROM spip_articles WHERE id_rubrique NOT IN ($rubriques) AND maj < $mydate";
                spip_query($query);
                $query = "DELETE FROM spip_breves WHERE id_rubrique NOT IN ($rubriques) AND maj < $mydate";
                spip_query($query);
                $query = "DELETE FROM spip_forum WHERE id_rubrique NOT IN (0,$rubriques)";
                spip_query($query);
                $query = "DELETE FROM spip_auteurs_rubriques WHERE id_rubrique NOT IN ($rubriques)";
                spip_query($query);
                $query = "DELETE FROM spip_documents_rubriques WHERE id_rubrique NOT IN ($rubriques)";
                spip_query($query);
                $query = "DELETE FROM spip_mots_rubriques WHERE id_rubrique NOT IN ($rubriques)";
                spip_query($query);
        }


        //
        // Articles
        //

        $query = "DELETE FROM spip_articles WHERE statut='poubelle' AND maj < $mydate";
        spip_query($query);
        $query = "SELECT id_article FROM spip_articles";
        $result = spip_query($query);
        $articles = '0';
        while ($row = spip_fetch_array($result)) $articles .= ','.$row['id_article'];

        if ($articles) {
                $query = "DELETE FROM spip_auteurs_articles WHERE id_article NOT IN ($articles)";
                spip_query($query);
                $query = "DELETE FROM spip_documents_articles WHERE id_article NOT IN ($articles)";
                spip_query($query);
                $query = "DELETE FROM spip_mots_articles WHERE id_article NOT IN ($articles)";
                spip_query($query);
                $query = "DELETE FROM spip_forum WHERE id_article NOT IN (0,$articles)";
                spip_query($query);
        }


        //
        // Breves
        //

        $query = "DELETE FROM spip_breves WHERE statut='refuse' AND maj < $mydate";
        spip_query($query);
        $breves = '0';
        $query = "SELECT id_breve FROM spip_breves";
        $result = spip_query($query);
        while ($row = spip_fetch_array($result)) $breves .= ','.$row['id_breve'];

        if ($breves) {
                $query = "DELETE FROM spip_documents_breves WHERE id_breve NOT IN ($breves)";
                spip_query($query);
                $query = "DELETE FROM spip_mots_breves WHERE id_breve NOT IN ($breves)";
                spip_query($query);
                $query = "DELETE FROM spip_forum WHERE id_breve NOT IN (0,$breves)";
                spip_query($query);
        }


        //
        // Sites
        //

        $query = "DELETE FROM spip_syndic WHERE maj < $mydate AND statut = 'refuse'";
        spip_query($query);

        $syndic = '0';
        $query = "SELECT id_syndic FROM spip_syndic";
        $result = spip_query($query);
        while ($row = spip_fetch_array($result)) $syndic .= ','.$row['id_syndic'];

        if ($syndic) {
                $query = "DELETE FROM spip_syndic_articles WHERE id_syndic NOT IN (0,$syndic)";
                spip_query($query);
                $query = "DELETE FROM spip_mots_syndic WHERE id_syndic NOT IN ($syndic)";
                spip_query($query);
                $query = "DELETE FROM spip_forum WHERE id_syndic NOT IN (0,$syndic)";
                spip_query($query);
        }


        //
        // Auteurs
        //

        $auteurs = '0';
        $query = "SELECT id_auteur FROM spip_auteurs";
        $result = spip_query($query);
        while ($row = spip_fetch_array($result)) $auteurs .= ','.$row['id_auteur'];

        if ($auteurs) {
                $query = "DELETE FROM spip_auteurs_articles WHERE id_auteur NOT IN ($auteurs)";
                spip_query($query);
                $query = "DELETE FROM spip_auteurs_messages WHERE id_auteur NOT IN ($auteurs)";
                spip_query($query);
                $query = "DELETE FROM spip_auteurs_rubriques WHERE id_auteur NOT IN ($auteurs)";
                spip_query($query);
        }

        $query = "SELECT id_auteur,nom,email FROM spip_auteurs WHERE statut='5poubelle' AND maj < $mydate";
        $result = spip_query($query);
        while ($row = spip_fetch_array($result)) {
                $id_auteur = $row['id_auteur'];
                $nom = $row['nom'];
                $email = $row['email'];

                $query2 = "SELECT * FROM spip_auteurs_articles WHERE id_auteur=$id_auteur";
                $result2 = spip_query($query2);
                if (!spip_num_rows($result2)) {
                        $query3 = "DELETE FROM spip_auteurs WHERE id_auteur=$id_auteur";
                        $result3 = spip_query($query3);
                        spip_log ("suppression auteur $id_auteur ($nom, $email)");
                }
        }


        //
        // Messages prives
        //

        $query = "SELECT m.id_message FROM spip_messages AS m, spip_auteurs_messages AS lien ".
                "WHERE m.id_message = lien.id_message GROUP BY m.id_message";
        $result = spip_query($query);
        while ($row = spip_fetch_array($result)) $messages[] = $row['id_message'];

        $query = "SELECT id_message FROM spip_messages ".
                "WHERE type ='affich'";
        $result = spip_query($query);
        while ($row = spip_fetch_array($result)) $messages[] = $row['id_message'];

        if ($messages) {
                $messages = join(",", $messages);

                $query = "DELETE FROM spip_messages WHERE id_message NOT IN ($messages)";
                spip_query($query);
                $query = "DELETE FROM spip_forum WHERE id_message NOT IN (0,$messages)";
                spip_query($query);
        }


        //
        // Mots-cles
        //

        $query = "DELETE FROM spip_mots WHERE titre='' AND maj < $mydate";
        $result = spip_query($query);

        $mots = '0';
        $query = "SELECT id_mot FROM spip_mots";
        $result = spip_query($query);
        while ($row = spip_fetch_array($result)) $mots .= ','.$row['id_mot'];

        if ($mots) {
                $query = "DELETE FROM spip_mots_articles WHERE id_mot NOT IN ($mots)";
                spip_query($query);
                $query = "DELETE FROM spip_mots_breves WHERE id_mot NOT IN ($mots)";
                spip_query($query);
                $query = "DELETE FROM spip_mots_forum WHERE id_mot NOT IN ($mots)";
                spip_query($query);
                $query = "DELETE FROM spip_mots_rubriques WHERE id_mot NOT IN ($mots)";
                spip_query($query);
                $query = "DELETE FROM spip_mots_syndic WHERE id_mot NOT IN ($mots)";
                spip_query($query);
        }


        //
        // Forums
        //

        $query = "DELETE FROM spip_forum WHERE statut='redac' AND maj < $mydate";
        spip_query($query);

        $forums = '0';
        $query = "SELECT id_forum FROM spip_forum";
        $result = spip_query($query);
        while ($row = spip_fetch_array($result)) $forums .= ','.$row[0];

        if ($forums) {
                $query = "DELETE FROM spip_forum WHERE id_parent NOT IN (0,$forums)";
                spip_query($query);
                $query = "DELETE FROM spip_mots_forum WHERE id_forum NOT IN ($forums)";
                spip_query($query);
        }


        //
        // Indexation
        //

        // les objets inutiles
        $types = array('article','auteur','breve','mot','rubrique','forum','signature','syndic');
        while (list(,$type) = each($types)) {
                $table_objet = 'spip_'.table_objet($type);
                $table_index = 'spip_index_'.table_objet($type);
                
                // limiter aux objets publies
                switch ($type) {
                        case 'article':
                        case 'breve':
                        case 'rubrique':
                        case 'syndic':
                        case 'forum':
                        case 'signature':
                                $critere = "AND statut<>'publie'";
                                break;
                        case 'auteur':
                                $critere = "AND statut NOT IN ('0minirezo', '1comite')";
                                break;
                        case 'mot':
                        default:
                                $critere = 'AND 1=0';   // ne jamais desindexer un mot
                                break;
                }

                spip_query("UPDATE $table_objet SET idx='' WHERE idx<>'non' $critere");

                $suppr = '';
                $s = spip_query("SELECT id_$type FROM $table_objet WHERE idx='' $critere");
                while ($t = spip_fetch_array($s))
                        $suppr .= ','.$t[0];
                $s = spip_query("SELECT id_$type FROM $table_objet WHERE idx='non'");
                while ($t = spip_fetch_array($s))
                        $suppr .= ','.$t[0];
                if ($suppr)
                        spip_query("DELETE FROM $table_index WHERE id_$type IN (0$suppr)");
        }

        //
        // MySQL
        //
        if ($GLOBALS['table_prefix']) $table_pref = $GLOBALS['table_prefix']."_";
        else $table_pref = "";

        $query = "SHOW TABLES LIKE '$table_pref%'";
        $result = spip_query($query);
        while ($row = spip_fetch_array($result)) $tables[] = $row[0];

        if ($tables) {
                $tables = join(",", $tables);
                $query = "OPTIMIZE TABLE ".$tables;
                spip_query($query);
        }

        spip_log("optimisation ok");
}

        ## debug
        if ($GLOBALS['auteur_session']['statut'] == '0minirezo'
        AND $_GET['optimiser'] == 'oui')
                optimiser_base();

?>
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