253 lines
7.9 KiB
PHP
253 lines
7.9 KiB
PHP
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<?php
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/***************************************************************************\
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* SPIP, Systeme de publication pour l'internet *
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* *
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* Copyright (c) 2001-2019 *
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* Arnaud Martin, Antoine Pitrou, Philippe Riviere, Emmanuel Saint-James *
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* *
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* Ce programme est un logiciel libre distribue sous licence GNU/GPL. *
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* Pour plus de details voir le fichier COPYING.txt ou l'aide en ligne. *
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\***************************************************************************/
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if (!defined('_ECRIRE_INC_VERSION')) {
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return;
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}
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// methodes sql
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function inc_recherche_to_array_dist($recherche, $options = array()) {
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// options par defaut
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$options = array_merge(
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array(
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'score' => true,
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'champs' => false,
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'toutvoir' => false,
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'matches' => false,
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'jointures' => false
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),
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$options
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);
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include_spip('inc/rechercher');
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include_spip('inc/autoriser');
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$requete = array(
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"SELECT" => array(),
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"FROM" => array(),
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"WHERE" => array(),
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"GROUPBY" => array(),
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"ORDERBY" => array(),
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"LIMIT" => "",
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"HAVING" => array()
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);
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$table = sinon($options['table'], 'article');
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if ($options['champs']) {
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$champs = $options['champs'];
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} else {
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$l = liste_des_champs();
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$champs = $l['article'];
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}
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$serveur = $options['serveur'];
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list($methode, $q, $preg) = expression_recherche($recherche, $options);
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$jointures = $options['jointures']
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? liste_des_jointures()
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: array();
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$_id_table = id_table_objet($table);
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// c'est un pis-aller : ca a peu de chance de marcher, mais mieux quand meme que en conservant la ','
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// (aka ca marche au moins dans certains cas comme avec spip_formulaires_reponses_champs)
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if (strpos($_id_table, ",") !== false) {
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$_id_table = explode(',', $_id_table);
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$_id_table = reset($_id_table);
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}
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$requete['SELECT'][] = "t." . $_id_table;
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$a = array();
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// Recherche fulltext
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foreach ($champs as $champ => $poids) {
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if (is_array($champ)) {
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spip_log("requetes imbriquees interdites");
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} else {
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if (strpos($champ, ".") === false) {
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$champ = "t.$champ";
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}
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$requete['SELECT'][] = $champ;
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$a[] = $champ . ' ' . $methode . ' ' . $q;
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}
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}
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if ($a) {
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$requete['WHERE'][] = join(" OR ", $a);
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}
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$requete['FROM'][] = table_objet_sql($table) . ' AS t';
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$results = array();
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$s = sql_select(
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$requete['SELECT'], $requete['FROM'], $requete['WHERE'],
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implode(" ", $requete['GROUPBY']),
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$requete['ORDERBY'], $requete['LIMIT'],
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$requete['HAVING'], $serveur
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);
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while ($t = sql_fetch($s, $serveur)
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and (!isset($t['score']) or $t['score'] > 0)) {
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$id = intval($t[$_id_table]);
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if ($options['toutvoir']
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or autoriser('voir', $table, $id)
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) {
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// indiquer les champs concernes
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$champs_vus = array();
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$score = 0;
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$matches = array();
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$vu = false;
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foreach ($champs as $champ => $poids) {
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$champ = explode('.', $champ);
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$champ = end($champ);
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// translitteration_rapide uniquement si on est deja en utf-8
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$value = ($GLOBALS['meta']['charset'] == 'utf-8' ? translitteration_rapide($t[$champ]) : translitteration($t[$champ]));
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if ($n =
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($options['score'] || $options['matches'])
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? preg_match_all($preg, $value, $regs, PREG_SET_ORDER)
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: preg_match($preg, $value)
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) {
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$vu = true;
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if ($options['champs']) {
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$champs_vus[$champ] = $t[$champ];
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}
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if ($options['score']) {
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$score += $n * $poids;
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}
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if ($options['matches']) {
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$matches[$champ] = $regs;
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}
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if (!$options['champs']
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and !$options['score']
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and !$options['matches']
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) {
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break;
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}
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}
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}
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if ($vu) {
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if (!isset($results)) {
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$results = array();
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}
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$results[$id] = array();
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if ($champs_vus) {
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$results[$id]['champs'] = $champs_vus;
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}
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if ($score) {
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$results[$id]['score'] = $score;
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}
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if ($matches) {
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$results[$id]['matches'] = $matches;
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}
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}
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}
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}
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// Gerer les donnees associees
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// ici on est un peu naze : pas capables de reconstruire une jointure complexe
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// on ne sait passer que par table de laison en 1 coup
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if (isset($jointures[$table])
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and $joints = recherche_en_base(
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$recherche,
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$jointures[$table],
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array_merge($options, array('jointures' => false))
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)
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) {
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include_spip('action/editer_liens');
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$trouver_table = charger_fonction('trouver_table', 'base');
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$cle_depart = id_table_objet($table);
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$table_depart = table_objet($table, $serveur);
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$desc_depart = $trouver_table($table_depart, $serveur);
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$depart_associable = objet_associable($table);
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foreach ($joints as $table_liee => $ids_trouves) {
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// on peut definir une fonction de recherche jointe pour regler les cas particuliers
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if (
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!(
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$rechercher_joints = charger_fonction("rechercher_joints_${table}_${table_liee}", "inc", true)
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or $rechercher_joints = charger_fonction("rechercher_joints_objet_${table_liee}", "inc", true)
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or $rechercher_joints = charger_fonction("rechercher_joints_${table}_objet_lie", "inc", true)
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)
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) {
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$cle_arrivee = id_table_objet($table_liee);
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$table_arrivee = table_objet($table_liee, $serveur);
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$desc_arrivee = $trouver_table($table_arrivee, $serveur);
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// cas simple : $cle_depart dans la table_liee
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if (isset($desc_arrivee['field'][$cle_depart])) {
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$s = sql_select("$cle_depart, $cle_arrivee", $desc_arrivee['table_sql'],
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sql_in($cle_arrivee, array_keys($ids_trouves)), '', '', '', '', $serveur);
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} // cas simple : $cle_arrivee dans la table
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elseif (isset($desc_depart['field'][$cle_arrivee])) {
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$s = sql_select("$cle_depart, $cle_arrivee", $desc_depart['table_sql'],
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sql_in($cle_arrivee, array_keys($ids_trouves)), '', '', '', '', $serveur);
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}
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// sinon cherchons une table de liaison
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// cas recherche principale article, objet lie document : passer par spip_documents_liens
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elseif ($l = objet_associable($table_liee)) {
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list($primary, $table_liens) = $l;
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$s = sql_select("id_objet as $cle_depart, $primary as $cle_arrivee", $table_liens,
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array("objet='$table'", sql_in($primary, array_keys($ids_trouves))), '', '', '', '', $serveur);
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} // cas recherche principale auteur, objet lie article: passer par spip_auteurs_liens
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elseif ($l = $depart_associable) {
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list($primary, $table_liens) = $l;
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$s = sql_select("$primary as $cle_depart, id_objet as $cle_arrivee", $table_liens,
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array("objet='$table_liee'", sql_in('id_objet', array_keys($ids_trouves))), '', '', '', '', $serveur);
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} // cas table de liaison generique spip_xxx_yyy
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elseif ($t = $trouver_table($table_arrivee . "_" . $table_depart, $serveur)
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or $t = $trouver_table($table_depart . "_" . $table_arrivee, $serveur)
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) {
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$s = sql_select("$cle_depart,$cle_arrivee", $t["table_sql"], sql_in($cle_arrivee, array_keys($ids_trouves)),
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'', '', '', '', $serveur);
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}
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} else {
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list($cle_depart, $cle_arrivee, $s) = $rechercher_joints($table, $table_liee, array_keys($ids_trouves),
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$serveur);
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}
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while ($t = is_array($s) ? array_shift($s) : sql_fetch($s)) {
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$id = $t[$cle_depart];
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$joint = $ids_trouves[$t[$cle_arrivee]];
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if (!isset($results)) {
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$results = array();
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}
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if (!isset($results[$id])) {
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$results[$id] = array();
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}
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if (isset($joint['score']) and $joint['score']) {
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if (!isset($results[$id]['score'])) {
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$results[$id]['score'] = 0;
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}
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$results[$id]['score'] += $joint['score'];
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}
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if (isset($joint['champs']) and $joint['champs']) {
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foreach ($joint['champs'] as $c => $val) {
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$results[$id]['champs'][$table_liee . '.' . $c] = $val;
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}
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}
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if (isset($joint['matches']) and $joint['matches']) {
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foreach ($joint['matches'] as $c => $val) {
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$results[$id]['matches'][$table_liee . '.' . $c] = $val;
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}
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}
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}
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}
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}
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return $results;
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}
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