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delphine |
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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 services Observations.
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*
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* URLs possibles :
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* GET :
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* http://localhost/service:del:0.1/observations
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* toutes les observations (infos obs, infos images, infos propositions, infos nb commentaires)
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*
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* http://localhost/service:del:0.1/observations?retour.format=widget
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* toutes les infos des observations pour le Widget DEL
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*
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* http://localhost/service:del:0.1/observations/#idObs
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* une observation donnée et ses images, SANS LES propositions & nombre de commentaire*
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*
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* http://localhost/service:del:0.1/observations/#idObs/#idVote/vote
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* toutes les infos sur les votes d'une proposition
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*
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* PUT :
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* http://localhost/service:del:0.1/observations/#idObs/#idCommentaire/vote
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* ajoute un vote (+ ou -) pour une obs et une proposition donnée
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*
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* POST :
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* http://localhost/service:del:0.1/observations/#idObs
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* utilisé seulement par les admins pour modifier une obs depuis DEL (dépublication des obs)
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*
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* http://localhost/service:del:0.1/observations/#idObs/#idCommentaire/vote
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* modifie un vote (+ ou -) pour une obs et une proposition donnée
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*
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* @category DEL
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* @package Services
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* @subpackage Observations
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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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delphine |
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class Tepik extends RestService {
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delphine |
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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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delphine |
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private $serviceNom = 'tepik';
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delphine |
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private $sousServiceNom = null;
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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, $parametres) {
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$this->methode = 'consulter';
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$this->initialiserRessourcesEtParametres($ressources, $parametres);
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return $this->executerService();
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}
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private function executerService() {
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$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 $corps;
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}
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private function initialiserRessourcesEtParametres($ressources, $parametres = array()) {
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$this->ressources = $ressources;
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$this->parametres = $parametres;
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}
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private function traiterRessources() {
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$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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$this->analyserRessoucesConsultation();
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delphine |
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}
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delphine |
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}
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private function analyserRessoucesConsultation() {
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if (count($this->ressources) == 0) {
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// http://localhost/service:del:0.1/observations
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$this->sousServiceNom = 'liste-observations';
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} else if (count($this->ressources) == 1) {
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if ($this->etreRessourceIdentifiant(0)) {
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// http://localhost/service:del:0.1/observations/#idObs
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$this->sousServiceNom = 'observation-details';
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}
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delphine |
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}
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delphine |
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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 analyserRessoucesModification() {
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if (count($this->ressources) == 1) {
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if ($this->methode == 'modifier' && $this->etreRessourceIdentifiant(0)) {
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// http://localhost/service:del:0.1/observations/#idObs
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$this->sousServiceNom = 'observation-details';
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}
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}
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delphine |
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delphine |
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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 etreRessourceIdentifiant($num) {
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$presenceId = false;
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if (isset($this->ressources[$num]) && is_numeric($this->ressources[$num])) {
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$presenceId = true;
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}
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return $presenceId;
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}
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private function verifierRessourceValeur($num, $valeur) {
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$ok = false;
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if (isset($this->ressources[$num]) && $this->ressources[$num] == $valeur) {
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$ok = true;
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}
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return $ok;
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}
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private function verifierParametreValeur($cle, $valeur) {
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$ok = false;
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if (isset($this->parametres[$cle]) && $this->ressources[$cle] == $valeur) {
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$ok = true;
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}
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return $ok;
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}
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private function lancerMessageErreurRessource() {
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$ressource = $this->sousServiceNom.'/'.implode('/', $this->ressources);
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$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 : observations, observations/#idObs/#idProposition/vote \n".
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" - en POST : observations/#id, observations/#idObs/#idProposition/vote \n".
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" - en PUT : observations/#idObs/#idProposition/vote \n";
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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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$chemins = array();
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$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, $this->parametres);
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} else {
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$message = "Le sous-service '{$this->sousServiceNom}' du service '{$this->serviceNom}' ".
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"ne possède pas de méthode '{$this->methode}' !";
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$code = RestServeur::HTTP_NON_IMPLEMENTE;
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throw new Exception($message, $code);
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}
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}
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}
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if (is_null($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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