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arthur |
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<?php
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// declare(encoding='UTF-8');
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/**
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* Classe principale de chargement des sous-services concernant les commentaires.
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*
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* URLs possibles :
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*
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* GET :
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* http://localhost/del/services/0.1/commentaires => liste tous les commentaires
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* http://localhost/del/services/0.1/commentaires/#id => retourne le contenu d'un commentaire d'id #id
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*
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* PUT :
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* http://localhost/del/services/0.1/commentaires => Ajoute un nouveau commentaire
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*
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* DELETE :
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* http://localhost/del/services/0.1/commentaires/#id => supprime le commentaire d'id #id
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*
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* @category DEL
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* @package Services
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* @subpackage Commentaires
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* @version 0.1
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* @author Mathias CHOUET <mathias@tela-botanica.org>
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* @author Jean-Pascal MILCENT <jpm@tela-botanica.org>
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* @author Aurelien PERONNET <aurelien@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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* @copyright 1999-2014 Tela Botanica <accueil@tela-botanica.org>
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*/
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class Commentaires extends RestService {
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private $parametres = array();
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private $ressources = array();
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private $methode = null;
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private $serviceNom = 'commentaires';
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private $sousServiceNom = null;
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private $cheminCourant = null;
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private $erreur = 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, $parametres) {
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$this->methode = 'consulter';
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$this->initialiserRessourcesEtParametres($ressources, $parametres);
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return $this->executerService();
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}
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public function ajouter($ressources, $requeteDonnees) {
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$this->methode = 'ajouter';
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$this->initialiserRessourcesEtParametres($ressources, $requeteDonnees);
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return $this->executerService();
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}
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public function supprimer($ressources) {
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$this->methode = 'supprimer';
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$this->initialiserRessourcesEtParametres($ressources);
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return $this->executerService();
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}
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private function initialiserRessourcesEtParametres($ressources, $parametres = array()) {
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$this->ressources = $ressources;
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$this->parametres = $parametres;
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}
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private function executerService() {
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$reponseHttp = new ReponseHttp();
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try {
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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 $corps;
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}
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private function traiterRessources() {
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$this->analyserRessources();
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$retour = $this->initialiserService();
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return $retour;
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}
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private function analyserRessources() {
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if ($this->methode == 'consulter') {
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if (!isset($this->ressources) || empty($this->ressources)) {
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$this->sousServiceNom = 'liste-commentaires';
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} else if (isset($this->ressources[0]) && count($this->ressources) == 1 && is_numeric($this->ressources[0])) {
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$this->sousServiceNom = 'commentaire-details';
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}
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} else if ($this->methode == 'ajouter') {
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$this->sousServiceNom = 'ajouter-commentaire';
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} else if ($this->methode == 'supprimer') {
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if (isset($this->ressources[0]) && count($this->ressources) == 1 && is_numeric($this->ressources[0])) {
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$this->sousServiceNom = 'supprimer-commentaire';
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} else {
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$this->erreur = "L'identifiant du commentaire est obligatoire et doit être un entier.";
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}
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}
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if ($this->sousServiceNom == null) {
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$this->lancerMessageErreurRessource();
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}
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}
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private function lancerMessageErreurRessource() {
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$ressource = $this->sousServiceNom.'/'.implode('/', $this->ressources);
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if ($this->erreur != null) {
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$message = $this->erreur;
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} else {
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$message = "La ressource demandée '$ressource' ".
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"n'est pas disponible pour le service ".$this->serviceNom." !\n".
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"Les URLs disponibles sont : \n".
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" - en GET : commentaires, commentaires/#id \n".
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" - en PUT : commentaires".
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" - en DELETE : commentaires/#id\n".
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"#id représente un nombre entier identifiant un commentaire.";
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}
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$code = RestServeur::HTTP_CODE_RESSOURCE_INTROUVABLE;
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throw new Exception($message, $code);
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}
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private function initialiserService() {
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$classe = $this->obtenirNomClasseService($this->sousServiceNom);
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//echo $this->sousServiceNom.':'.$classe."\n";
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//echo 'Ressources :'.print_r($this->ressources, true);
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//echo 'Parametres :'.print_r($this->parametres, true);
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$chemins = array();
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$chemins[] = $this->cheminCourant.$this->serviceNom.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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require_once $chemin;
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$service = new $classe($this->conteneur);
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if ($this->methode == 'consulter') {
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$retour = $service->consulter($this->ressources);
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} elseif ($this->methode == 'ajouter') {
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$retour = $service->ajouter($this->parametres);
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} elseif ($this->methode == 'supprimer') {
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$retour = $service->supprimer($this->ressources);
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}
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}
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}
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if (is_null($service)) {
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$ressource = $this->sousServiceNom.'/'.implode('/', $this->ressources);
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$message = "Le classe '$classe' correspondant à la ressource '$ressource' ".
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"n'existe pas dans le service '{$this->serviceNom}' !";
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$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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