source: trunk/spip/esqueleto-redcta/plugins/cfg/depots/table.php @ 548

<?php

/*
 * Plugin CFG pour SPIP
 * (c) toggg 2007, distribue sous licence GNU/GPL
 * Documentation et contact: http://www.spip-contrib.net/
 *
 * classe cfg_table: storage naturel dans une table
 */

if (!defined("_ECRIRE_INC_VERSION")) return;



// cfg_table retrouve et met a jour les colonnes d'une table
// ici, cfg_id est obligatoire ... 
class cfg_depot_table
{
        var $champs = array();
        var $champs_id = array();
        var $val = array();
        var $param = array();
        var $messages = array('message_ok'=>array(), 'message_erreur'=>array(), 'erreurs'=>array());
        
        var $_arbre = array();
        var $_id = array();
        var $_base = null;
        var $_ici = null;
        
        // version du depot
        var $version = 2;
        
        function cfg_depot_table($params=array())
        {
                foreach ($params as $o=>$v) {
                        $this->$o = $v;
                }
        }
        
        // charge la base (racine) et le point de l'arbre sur lequel on se trouve (ici)
        function charger($creer = false){
                
                if (!$this->param['table']) {
                        $this->messages['message_erreur'][] = _T('cfg:nom_table_manquant');
                        return false;
                }
                
                // colid : nom de la colonne primary key
                list($this->param['table'], $colid) = $this->get_table_id($this->param['table']);
                
                // renseigner les liens id=valeur
                $id = explode('/',$this->param['cfg_id']);
                foreach ($colid as $n=>$c) {
                        if (isset($id[$n])) {
                                $this->_id[$c] = $id[$n];
                        }
                }
                
                if (!$this->param['cfg_id'] AND !($this->param['autoriser_absence_id'] == 'oui')) {
                        $this->messages['message_erreur'][] = _T('cfg:id_manquant');
                        return false;
                }

                // select
                $this->_select = array();
                if ($this->champs){
                        foreach ($this->champs as $nom => $def) {
                                if (isset($def['id'])) {
                                        continue;
                                }
                                $this->_select[] = $nom;
                        }
                } else {
                        $this->_select[] = '*'; 
                }
                
                // where
                $this->_where = array();
                foreach ($this->_id as $nom => $id) {
                        $this->_where[] = $nom . '=' . sql_quote($id);
                }
                        
                $this->_base = ($d = sql_fetsel(
                        $this->_select, 
                        $this->param['table'], 
                        $this->_where)) ? $d : array();
                
                $this->_existe = count($this->_base);
                        
                $this->_ici = &$this->_base;
        return true;    
        }
        
        // recuperer les valeurs.
        function lire()
        {
                // charger
                if (!$this->charger()){
                        return array(false, $this->val, $this->messages);       
                }

        // utile ??
        if ($this->param['cfg_id']) {
                $cles = explode('/', $this->param['cfg_id']);
                        foreach ($this->champs_id as $i => $name) {
                                $this->_ici[$name] = $cles[$i];
                    }
        }
        
        // s'il y a des champs demandes, ne retourner que ceux-ci
        if (count($this->champs)){
                $val = array();
                        foreach ($this->champs as $name => $def) {
                                $val[$name] = $this->_ici[$name];
                        }
                        $this->_ici = $val;
        }
            return array(true, $this->_ici);
        }


        // ecrit une entree pour tous les champs
        function ecrire()
        {
                // charger
                if (!$this->charger()){
                        return array(false, $this->val, $this->messages);       
                }

                if ($this->champs){
                        foreach ($this->champs as $name => $def) {
                                if (isset($def['id'])) continue;
                                $this->_ici[$name] = $this->val[$name];
                        }
                } else {
                        $this->_ici = $this->val;       
                }       
                        
                // update
                if ($this->_existe) {   
                    $ok = sql_updateq($this->param['table'], $this->_ici, $this->_where );
            } else {
                        $ok = $id = sql_insertq($this->param['table'], $this->_ici);
            }

                // remettre l'id
                if ($ok && (count($this->champs_id)==1)) {
                        $this->_ici[$nomid = $this->champs_id[0]] = $this->_existe ? $this->val[$nomid] : $ok;
                }
                        
                return array($ok, $this->_ici);
        }
        
        
        // supprime chaque enregistrement de meta pour chaque champ
        function effacer(){
                // charger
                if (!$this->charger()){
                        return array(false, $this->val, $this->messages);       
                }
                
                $ok = !$this->_existe || sql_delete($this->param['table'], $this->_where );     
                return array($ok, array());
        }
        
        
        // charger les arguments
        // lire_config(table::table@colonne:id
        // lire_config(table::table:id
        function charger_args($args){

                list($table, $id) = explode(':',$args,2);
                list($table, $colonne) = explode('@',$table);
                list($table, $colid) = $this->get_table_id($table);
                
                $this->param['cfg_id'] = $id;
                $this->param['champs'] = $colonne ? array($colonne=>true) : '';
                $this->param['table'] = $table ? $table : 'spip_cfg';
                
                // renseigner les liens id=valeur
                $id = explode(':',$id);
                foreach ($colid as $n=>$c) {
                        if (isset($id[$n])) {
                                $this->_id[$c] = $id[$n];
                        }
                }
                
                return true;    
        }
        
        
        // se positionner dans le tableau arborescent
        function & monte_arbre(&$base, $chemin){
                if (!$chemin) {
                        return $base;
                }
                if (!is_array($chemin)) {
                        $chemin = explode('/', $chemin);
                }
                if (!is_array($base)) {
                        $base = array();
                }
                
                foreach ($chemin as $dossier) {
                        if (!isset($base[$dossier])) {
                                $base[$dossier] = array();
                        }
                        $this->_arbre[] = array(&$base, $dossier);
                        $base = &$base[$dossier];
                }
                
                return $base;
        }
        

        //
        // Cherche le vrai nom d'une table
        // ainsi que ses cles primaires
        //
        function get_table_id($table) { 
                static $catab = array(
                        'tables_principales' => 'base/serial',
                        'tables_auxiliaires' => 'base/auxiliaires',
                );
                $try = array($table, 'spip_' . $table);
                foreach ($catab as $categ => $catinc) {
                        include_spip($catinc);
                        foreach ($try as $nom) {
                                if (isset($GLOBALS[$categ][$nom])) {
                                        return array($nom,
                                                preg_split('/\s*,\s*/', $GLOBALS[$categ][$nom]['key']['PRIMARY KEY']));
                                }
                        }
                }
                if ($try = table_objet($table)) {
                        return array('spip_' . $try, array(id_table_objet($table)));
                }
                return array(false, false);
        }

}







?>