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<?php
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/**
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* Description :
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* Classe principale de chargement des services d'eFlore.
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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 Jennifer DHÉ <jennifer.dhe@tela-botanica.org>
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* @author Delphine CAUQUIL <delphine@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 0.1
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* @copyright 1999-2011 Tela Botanica (accueil@tela-botanica.org)
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*/
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class Observations extends RestService {
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/*
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* url possibles :
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* http://localhost/del/services/0.1/observations/ => toutes les observations (infos obs, infos images, infos propositions, infos nb commentaires)
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* http://localhost/del/services/0.1/observations/#id => une observation donnée et ses images, SANS LES propositions & nombre de commentaire
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* */
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private $parametres = array();
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private $ressources = array();
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private $projetNom = array();
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private $serviceNom = array();
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private $cheminCourant = null;
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private $conteneur;
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/** Indique si oui (true) ou non (false), on veut utiliser les paramètres bruts. */
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protected $utilisationParametresBruts = true;
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public function __construct() {
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$this->cheminCourant = dirname(__FILE__).DS;
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}
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public function consulter($ressources, $parametres) {
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$resultat = '';
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$reponseHttp = new ReponseHttp();
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try {
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$this->initialiserRessourcesEtParametres($ressources, $parametres);
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$this->conteneur = new Conteneur($this->parametres);
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$resultat = $this->traiterRessources();
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$reponseHttp->setResultatService($resultat);
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} catch (Exception $e) {
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$reponseHttp->ajouterErreur($e);
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}
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$reponseHttp->emettreLesEntetes();
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$corps = $reponseHttp->getCorps();
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return $corps;
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}
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private function initialiserRessourcesEtParametres($ressources, $parametres) {
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$this->ressources = $ressources;
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$this->parametres = $parametres;
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}
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private function traiterRessources() {
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$retour = '';
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$this->initialiserProjet();
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if ($this->avoirRessourceService()) {
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$retour = $this->initialiserService();
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}
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return $retour;
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}
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private function avoirRessourceIdentifiant() {
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$presenceId = false;
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if (is_numeric($this->ressources[0])) {
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$presenceId = true;
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} else {
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$message = "Le service demandé '$service' nécessite d'avoir un identifiant d'image valide";
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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 $presenceId;
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}
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/*------------------------------------------------------------------------------------------------------------------
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CONFIGURATION DU PROJET
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------------------------------------------------------------------------------------------------------------------*/
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private function initialiserProjet() {
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$this->chargerNomDuProjet();
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$this->chargerConfigProjet();
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}
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private function chargerNomDuProjet() {
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$this->projetNom = 'observations';
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}
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private function chargerConfigProjet() {
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$projet = $this->projetNom;
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$chemin = Config::get('chemin_configurations')."config_$projet.ini";
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Config::charger($chemin);
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}
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/*------------------------------------------------------------------------------------------------------------------
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CONFIGURATION DU SERVICE
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------------------------------------------------------------------------------------------------------------------*/
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private function avoirRessourceService() {
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/*
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* url possibles :
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* http://localhost/del/services/0.1/observations/ => toutes les observations (infos obs, infos images, infos propositions, infos nb commentaires)
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* http://localhost/del/services/0.1/observations/#id => une observation donnée et ses images, SANS LES propositions & nombre de commentaire
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* */
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$presenceRessourceService = false;
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if (isset($this->ressources[0])) {
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if ($this->avoirRessourceIdentifiant()) {
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if (sizeof($this->ressources) == 1) {
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$presenceRessourceService = true;
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$this->serviceNom = 'observation';
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} else {
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if (isset($this->ressources[1])) {
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$presenceRessourceService = $this->avoirRessourceSousService();
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}
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}
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}
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} else {
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$presenceRessourceService = true;
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$this->serviceNom = 'liste-observations';
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}
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return $presenceRessourceService;
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}
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private function avoirRessourceSousService() {
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$presenceRessourceService = false;
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$servicesDispo = Outils::recupererTableauConfig('servicesDispo');
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$service = $this->ressources[1];
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if (in_array($service, $servicesDispo)) {
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$presenceRessourceService = true;
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$this->serviceNom = 'votes-image';
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} else {
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$message = "Le service demandé '$service' n'est pas disponible pour le projet {$this->projetNom} !\n".
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"Les services disponibles sont : ".implode(', ', $servicesDispo);
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$code = RestServeur::HTTP_CODE_RESSOURCE_INTROUVABLE;
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throw new Exception($message, $code);
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}
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return $presenceRessourceService;
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}
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private function initialiserService() {
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//$this->chargerNomDuService();
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$classe = $this->obtenirNomClasseService($this->serviceNom);
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$chemins = array();
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$chemins[] = $this->cheminCourant.$this->projetNom.DS.$classe.'.php';
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$chemins[] = $this->cheminCourant.'commun'.DS.$classe.'.php';
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$retour = '';
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$service = null;
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foreach ($chemins as $chemin) {
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if (file_exists($chemin)) {
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$this->conteneur->chargerConfiguration('config_'.$this->projetNom.'.ini');
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require_once $chemin;
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$service = new $classe($this->conteneur);
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$retour = $service->consulter($this->ressources, $this->parametres);
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}
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}
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if (is_null($service)) {
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$message = "Le service demandé '{$this->serviceNom}' n'existe pas dans le projet {$this->projetNom} !";
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$code = RestServeur::HTTP_CODE_RESSOURCE_INTROUVABLE;
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throw new Exception($message, $code);
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}
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return $retour;
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}
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private function obtenirNomClasseService($mot) {
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$classeNom = str_replace(' ', '', ucwords(strtolower(str_replace('-', ' ', $mot))));
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return $classeNom;
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}
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}
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?>
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