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<?php// declare(encoding='UTF-8');/*** Classe principale de chargement des services Observations.** URLs possibles :* GET :* http://localhost/service:del:0.1/observations* toutes les observations (infos obs, infos images, infos propositions, infos nb commentaires)** http://localhost/service:del:0.1/observations?retour.format=widget* toutes les infos des observations pour le Widget DEL** http://localhost/service:del:0.1/observations/#idObs* une observation donnée et ses images, SANS LES propositions & nombre de commentaire*** http://localhost/service:del:0.1/observations/#idObs/#idVote/vote* toutes les infos sur les votes d'une proposition** PUT :* http://localhost/service:del:0.1/observations/#idObs/#idCommentaire/vote* ajoute un vote (+ ou -) pour une obs et une proposition donnée** POST :* http://localhost/service:del:0.1/observations/#idObs* utilisé seulement par les admins pour modifier une obs depuis DEL (dépublication des obs)** http://localhost/service:del:0.1/observations/#idObs/#idCommentaire/vote* modifie un vote (+ ou -) pour une obs et une proposition donnée** @category DEL* @package Services* @subpackage Observations* @version 0.1* @author Mathias CHOUET <mathias@tela-botanica.org>* @author Jean-Pascal MILCENT <jpm@tela-botanica.org>* @author Aurelien PERONNET <aurelien@tela-botanica.org>* @license GPL v3 <http://www.gnu.org/licenses/gpl.txt>* @license CECILL v2 <http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt>* @copyright 1999-2014 Tela Botanica <accueil@tela-botanica.org>*/class Observations extends RestService {private $parametres = array();private $ressources = array();private $methode = null;private $serviceNom = 'observations';private $sousServiceNom = null;private $cheminCourant = null;private $conteneur;/** Indique si oui (true) ou non (false), on veut utiliser les paramètres bruts. */protected $utilisationParametresBruts = true;public function __construct() {$this->cheminCourant = dirname(__FILE__).DS;}public function consulter($ressources, $parametres) {$this->methode = 'consulter';$this->initialiserRessourcesEtParametres($ressources, $parametres);return $this->executerService();}public function ajouter($ressources, $requeteDonnees) {$this->methode = 'ajouter';$this->initialiserRessourcesEtParametres($ressources, $requeteDonnees);return $this->executerService();}public function modifier($ressources, $requeteDonnees) {$this->methode = 'modifier';$this->initialiserRessourcesEtParametres($ressources, $requeteDonnees);return $this->executerService();}private function executerService() {$reponseHttp = new ReponseHttp();try {$this->conteneur = new Conteneur($this->parametres);$resultat = $this->traiterRessources();$reponseHttp->setResultatService($resultat);} catch (Exception $e) {$reponseHttp->ajouterErreur($e);}$reponseHttp->emettreLesEntetes();$corps = $reponseHttp->getCorps();return $corps;}private function initialiserRessourcesEtParametres($ressources, $parametres = array()) {$this->ressources = $ressources;$this->parametres = $parametres;}private function traiterRessources() {$this->analyserRessources();$retour = $this->initialiserService();return $retour;}private function analyserRessources() {if ($this->methode == 'consulter') {$this->analyserRessoucesConsultation();} else if ($this->methode == 'modifier' || $this->methode == 'ajouter') {$this->analyserRessoucesModification();}}private function analyserRessoucesConsultation() {if (count($this->ressources) == 0) {// http://localhost/service:del:0.1/observations$this->sousServiceNom = 'liste-observations';} else if (count($this->ressources) == 1) {if ($this->etreRessourceIdentifiant(0)) {// http://localhost/service:del:0.1/observations/#idObs$this->sousServiceNom = 'observation-details';}} else if (count($this->ressources) == 3) {if ($this->etreRessourceIdentifiant(0) && $this->etreRessourceIdentifiant(1) && $this->verifierRessourceValeur(2, 'vote')) {// http://localhost/service:del:0.1/observations/#idObs/#idProposition/vote/$this->sousServiceNom = 'vote-observation';}}if ($this->sousServiceNom == null) {$this->lancerMessageErreurRessource();}}private function analyserRessoucesModification() {if (count($this->ressources) == 1) {if ($this->methode == 'modifier' && $this->etreRessourceIdentifiant(0)) {// http://localhost/service:del:0.1/observations/#idObs$this->sousServiceNom = 'observation-details';}} else if (count($this->ressources) == 3) {if ($this->etreRessourceIdentifiant(0) && $this->etreRessourceIdentifiant(1) && $this->verifierRessourceValeur(2, 'vote')) {// http://localhost/service:del:0.1/observations/#idObs/#idProposition/vote/$this->sousServiceNom = 'vote-observation';}}if ($this->sousServiceNom == null) {$this->lancerMessageErreurRessource();}}private function etreRessourceIdentifiant($num) {$presenceId = false;if (isset($this->ressources[$num]) && is_numeric($this->ressources[$num])) {$presenceId = true;}return $presenceId;}private function verifierRessourceValeur($num, $valeur) {$ok = false;if (isset($this->ressources[$num]) && $this->ressources[$num] == $valeur) {$ok = true;}return $ok;}private function verifierParametreValeur($cle, $valeur) {$ok = false;if (isset($this->parametres[$cle]) && $this->ressources[$cle] == $valeur) {$ok = true;}return $ok;}private function lancerMessageErreurRessource() {$ressource = $this->sousServiceNom.'/'.implode('/', $this->ressources);$message = "La ressource demandée '$ressource' "."n'est pas disponible pour le service ".$this->serviceNom." !\n"."Les URLs disponibles sont : \n"." - en GET : observations, observations/#idObs/#idProposition/vote \n"." - en POST : observations/#id, observations/#idObs/#idProposition/vote \n"." - en PUT : observations/#idObs/#idProposition/vote \n";$code = RestServeur::HTTP_CODE_RESSOURCE_INTROUVABLE;throw new Exception($message, $code);}private function initialiserService() {$classe = $this->obtenirNomClasseService($this->sousServiceNom);$chemins = array();$chemins[] = $this->cheminCourant.$this->serviceNom.DS.$classe.'.php';$chemins[] = $this->cheminCourant.'commun'.DS.$classe.'.php';$retour = '';$service = null;foreach ($chemins as $chemin) {if (file_exists($chemin)) {require_once $chemin;$service = new $classe($this->conteneur);if ($this->methode == 'consulter') {$retour = $service->consulter($this->ressources, $this->parametres);} elseif ($this->methode == 'ajouter') {$retour = $service->ajouter($this->ressources, $this->parametres);} elseif ($this->methode == 'modifier') {$retour = $service->modifier($this->ressources, $this->parametres);} else {$message = "Le sous-service '{$this->sousServiceNom}' du service '{$this->serviceNom}' "."ne possède pas de méthode '{$this->methode}' !";$code = RestServeur::HTTP_NON_IMPLEMENTE;throw new Exception($message, $code);}}}if (is_null($service)) {$ressource = $this->sousServiceNom.'/'.implode('/', $this->ressources);$message = "Le classe '$classe' correspondant à la ressource '$ressource' "."n'existe pas dans le service '{$this->serviceNom}' !";$code = RestServeur::HTTP_CODE_RESSOURCE_INTROUVABLE;throw new Exception($message, $code);}return $retour;}private function obtenirNomClasseService($mot) {$classeNom = str_replace(' ', '', ucwords(strtolower(str_replace('-', ' ', $mot))));return $classeNom;}}