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<?php
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/**
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* Classe Informations.php redirige vers le web service pour baseflor ou pour les rangs supérieurs
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*
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* Encodage en entrée : utf8
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* Encodage en sortie : utf8
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* @package eflore-projets
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* @author Mathilde SALTHUN-LASSALLE <mathilde@tela-botanica.org>
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* @author Jean-Pascal MILCENT <jpm@tela-botanica.org>
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* @license GPL v3 <http://www.gnu.org/licenses/gpl.txt>
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* @license CECILL v2 <http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt>
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* @version 1.0
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* @copyright 1999-2011 Tela Botanica (accueil@tela-botanica.org)
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*
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* to do : éliminer l'heritage (tratement version et url.suivant url.precedent)
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*/
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class Informations extends Commun {
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protected $limite_requete = array( 'depart' => 0, 'limite' => 10);
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private $table = "";
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private $champs_recherches = '*';
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private $requete_condition = "";
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private $requete_jointure = "";
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protected $serviceNom = 'informations';
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public function consulter($ressources, $parametres) {
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$this->ressources = $ressources;
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$this->parametres = $parametres;
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$versionResultat = null;
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if (empty($this->ressources)){
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$this->traiterParametres();
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}
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$this->traiterRessources();
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$requete = $this->Requete_assemblage->assemblerLaRequete($this->Requete);
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$resultat = $this->Bdd->recupererTous($requete);
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$versionResultat = $this->analyserResultat($resultat);
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if ($versionResultat == null) {
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$message = 'Les données recherchées sont introuvables.';
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$code = RestServeur::HTTP_CODE_RESSOURCE_INTROUVABLE;
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throw new Exception($message, $code);
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}
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return $versionResultat;
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}
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public function __construct() {
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$this->Conteneur = new Conteneur();
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$this->Bdd = $this->Conteneur ->getBdd();
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$this->Requete = new Requete();
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$this->Requete_assemblage = $this->Conteneur->getRequetesAssemblage();
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}
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public function analyserResultat($resultat) {
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$res_formate = array();
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if (empty($this->ressources)) {
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$res_formate = $this->retournerResultatFormate($resultat);
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} else {
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$classe = empty($resultat[0]['baseflor']) ? 'InformationsTaxonsSup' : 'InformationsBaseflor';
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$info = new $classe(new Conteneur());
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$res_formate = $info->consulter($this->ressources, $this->parametres);
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}
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return $res_formate;
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}
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//+--------------------------traitement ressources ou paramètres -------------------------------------+
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//spécifiques à /informations
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public function traiterRessources() {
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$prefixe_table = array ('index' => config::get('bdd_table_index'),
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'baseflor' => config::get('bdd_table'),
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'rangSup' => config::get('bdd_table_rang_sup'));
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$tables = $this->definirTables($prefixe_table);
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if (empty($this->ressources)) {
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$this->Requete->limite_besoin = true;
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$this->Requete->table = $tables['index'];
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$baseflor = $tables['baseflor'];
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$rangSup = $tables['rangSup'];
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$this->Requete->requete_jointure = array(
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array('type' => 'LEFT JOIN', 'table' => $baseflor,
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'on' => array("{$baseflor}.cle = {$this->Requete->table}.baseflor")),
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array('type' => 'LEFT JOIN', 'table' => $rangSup ,
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'on' => array("{$rangSup}.cle = {$this->Requete->table}.RangSup"))
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);
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$this->Requete->champs_recherches = " {$baseflor}.num_nomen as 'baseflor.nn',
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{$baseflor}.BDNT as 'baseflor.bdnt', {$baseflor}.catminat_code, {$baseflor}.num_taxon ,
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{$rangSup}.num_nomen as 'rangSup.nn', {$rangSup}.bdnt as 'rangSup.bdnt',
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{$this->Requete->table}.cle as 'index.cle' ";
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} else {
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if(preg_match('/^(.+)\.nn:([0-9]+)$/', $this->ressources[0], $retour)){
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$this->Requete->table = $tables['index'];
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$this->Requete->champs_recherches = " baseflor, rangSup ";
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$this->Requete->requete_condition[] = " `bdnt.nn` = '{$retour[0]}' ";
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} else {
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$e = 'Erreur dans l\'url de votre requête : </br> La ressource demandée n\'existe pas.';
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throw new Exception($e, RestServeur::HTTP_CODE_MAUVAISE_REQUETE);
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break;
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}
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}
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}
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//paramètres spécifiques à /informations
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public function traiterParametres() {
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if (isset($this->parametres) && !empty($this->parametres) ) {
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foreach ($this->parametres as $param => $valeur) {
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switch ($param) {
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case 'navigation.depart' :
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if (isset($this->parametres['navigation.limite'])) {
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if(preg_match('/^([0-9]+)$/', $valeur)){
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$this->Requete->limite_requete['depart'] = $valeur;
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$this->limite_requete['depart'] = $valeur;
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break;
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} else {
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$e = "Erreur : valeur erronnée pour le paramètre navigation.depart.";
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throw new Exception($e, RestServeur::HTTP_CODE_MAUVAISE_REQUETE);
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}
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} else {
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$e = "indiquez également la valeur pour le paramètre navigation.limite.";
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throw new Exception($e, RestServeur::HTTP_CODE_MAUVAISE_REQUETE);
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}
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case 'navigation.limite' :
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if (isset($this->parametres['navigation.depart'])) {
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if(preg_match('/^([0-9]+)$/', $valeur) && $valeur != 0){
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$this->Requete->limite_requete['limite'] = $valeur;
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$this->limite_requete['limite'] = $valeur;
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break;
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} else {
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$e = "Erreur : valeur erronnée pour le paramètre navigation.limite.";
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throw new Exception($e, RestServeur::HTTP_CODE_MAUVAISE_REQUETE);
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}
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} else {
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$e = "indiquez également la valeur pour le paramètre navigation.depart.";
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throw new Exception($e, RestServeur::HTTP_CODE_MAUVAISE_REQUETE);
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}
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case 'version.projet' :
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$this->traiterVersion($valeur);
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break;
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default :
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$e = 'Erreur dans les parametres de votre requête : </br> Le paramètre " '
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.$param.' " n\'existe pas.';
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$this->renvoyerErreur(RestServeur::HTTP_CODE_MAUVAISE_REQUETE, $e); break;
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}
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}
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}
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}
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//+++------------------------------traitement des versions----------------------------------------++
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public function traiterVersion($valeur) {
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if (preg_match('/^[0-9]+(?:[._][0-9]+)*$/', $valeur) || $valeur == '*' || $valeur == '+') {
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$this->version_projet = $valeur;
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} else {
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$e = "Erreur : La version est inconnue.";
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throw new Exception($e, RestServeur::HTTP_CODE_MAUVAISE_REQUETE);
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}
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if ($this->version_projet == '*' && empty($this->ressources)) {
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$message = "L'affichage de plusieurs versions ne fonctionne que pour les ressources de type /ressources/#id";
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$code = RestServeur::HTTP_CODE_MAUVAISE_REQUETE;
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throw new Exception($message, $code);
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}
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}
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public function DefinirTables($prefixe_table) {
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$table_num_version = $this->recupererVersionDisponible();
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foreach ($prefixe_table as $nom => $prefixe ) {
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if ( in_array($this->version_projet,$table_num_version) ) {
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$tables[$nom] = $prefixe.'_v'.$this->version_projet;
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} elseif ($this->version_projet == '+') {
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$derniere_version = $table_num_version[count($table_num_version) - 1];
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$tables[$nom] = $prefixe.'_v'.str_replace('.', '_', $derniere_version);
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} else {
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$e = "Erreur : La version est inconnue.";
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throw new Exception($e, RestServeur::HTTP_CODE_MAUVAISE_REQUETE);
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}
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}
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return $tables;
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}
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//+--------------------------formatages de resultats -------------------------------------------+
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public function retournerResultatFormate($resultat) {
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$resultat_json = array();
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$resultat_json['entete'] = $this->ajouterEnteteResultat();
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foreach ($resultat as $ligne => $tab) {
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$num = $tab['index.cle'];
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$resultat_json['resultats'][$num]['num_nomen'] =
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(empty ($tab['baseflor.nn'])) ? $tab['rangSup.nn'] : $tab['baseflor.nn'];
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$resultat_json['resultats'][$num]['bdnt'] =
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(empty ($tab['baseflor.bdnt'])) ? $tab['rangSup.bdnt'] : $tab['baseflor.bdnt'];
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$resultat_json['resultats'][$num]['catminat_code'] =
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(empty ($tab['catminat_code'])) ? '' : $tab['catminat_code'];
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$resultat_json['resultats'][$num]['num_taxon'] =
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(empty ($tab['num_taxon'])) ? '' : $tab['num_taxon'];
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if ($resultat_json['resultats'][$num]['num_nomen'] != 0) {
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$bdnt = strtolower($resultat_json['resultats'][$num]['bdnt']);
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$nn = $resultat_json['resultats'][$num]['num_nomen'];
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$resultat_json['resultats'][$num]['href'] =
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$this->ajouterHref('informations',$bdnt.".nn:".$nn);
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}
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}
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return $resultat_json;
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}
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public function ajouterEnteteResultat() {
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$entete['depart'] = $this->Requete->limite_requete['depart'];
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$entete['limite'] = $this->Requete->limite_requete['limite'];
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$entete['total'] = $this->Requete_assemblage->getTotal_resultat();
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$entete['version'] = $this->version_projet;
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$url = $this->formulerUrl($this->Requete_assemblage->getTotal_resultat(), '/informations');
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if (isset($url['precedent']) && $url['precedent'] != '') {
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$entete['href.precedent'] = $url['precedent'];
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}
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if (isset($url['suivant']) && $url['suivant'] != '') {
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$entete['href.suivant'] = $url['suivant'];
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}
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return $entete;
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}
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}
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