New file |
0,0 → 1,175 |
<?php |
/** |
* Description : |
* Classe principale de chargement des services de syndication |
* |
* Encodage en entrée : utf8 |
* Encodage en sortie : utf8 |
* @package del-service |
* @author Aurélien 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> |
* @version 0.1 |
* @copyright 1999-2011 Tela Botanica (accueil@tela-botanica.org) |
*/ |
class Syndication extends RestService { |
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private $parametres = array(); |
private $ressources = array(); |
private $methode = null; |
private $projetNom = array(); |
private $serviceNom = array(); |
private $cheminCourant = null; |
private $squelette_dossier = null; |
private $formats_autorises = null; |
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private $conteneur; |
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/** Indique si oui (true) ou non (false), on veut utiliser les paramètres bruts. */ |
protected $utilisationParametresBruts = true; |
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public function __construct() { |
$this->cheminCourant = dirname(__FILE__).DS; |
$this->squelette_dossier = dirname(__FILE__).DIRECTORY_SEPARATOR.'syndication'.DIRECTORY_SEPARATOR.'squelettes'.DIRECTORY_SEPARATOR; |
} |
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public function consulter($ressources, $parametres) { |
$this->methode = 'consulter'; |
$resultat = ''; |
$reponseHttp = new ReponseHttp(); |
try { |
$this->initialiserProjet(); |
$this->initialiserRessourcesEtParametres($ressources, $parametres); |
$this->conteneur = new Conteneur($this->parametres); |
$this->verifierRessourcesEtParametres(); |
$resultat = $this->traiterRessources(); |
$reponseHttp->setResultatService($this->creerResultatService($resultat)); |
} catch (Exception $e) { |
$reponseHttp->ajouterErreur($e); |
} |
$reponseHttp->emettreLesEntetes(); |
$corps = $reponseHttp->getCorps(); |
return $corps; |
} |
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private function initialiserRessourcesEtParametres($ressources, $parametres) { |
$this->ressources = $ressources; |
$this->parametres = $parametres; |
} |
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private function verifierRessourcesEtParametres() { |
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$servicesDispos = Config::get('servicesDispo'); |
if (!isset($this->ressources[0]) || !in_array($this->ressources[0], explode(',',$servicesDispos))) { |
$message = "Vous devez indiquer un nom de service valide, les services disponibles sont ".$servicesDispos; |
$code = RestServeur::HTTP_CODE_ERREUR; |
throw new Exception($message, $code); |
} |
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$chaineFormatsAutorises = Config::get('formatsRss'); |
$this->formats_autorises = explode(',', $chaineFormatsAutorises); |
if (!isset($this->ressources[1]) || !in_array($this->ressources[1], $this->formats_autorises)) { |
$message = "Vous devez indiquer un format de flux valide, les formats acceptés sont ".$chaineFormatsAutorises; |
$code = RestServeur::HTTP_CODE_ERREUR; |
throw new Exception($message, $code); |
} else { |
$this->format = $this->ressources[1]; |
} |
} |
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private function traiterRessources() { |
$retour = ''; |
$retour = $this->initialiserService(); |
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return $retour; |
} |
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private function creerResultatService($donnees) { |
$resultat = new ResultatService(); |
$resultat->mime = $this->getTypeMime(); |
$resultat->corps = SquelettePhp::analyser($this->squelette_dossier.$this->format.'.tpl.xml', $donnees); |
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return $resultat; |
} |
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/*------------------------------------------------------------------------------------------------------------------ |
CONFIGURATION DU PROJET |
------------------------------------------------------------------------------------------------------------------*/ |
private function initialiserProjet() { |
$this->projetNom = 'syndication'; |
$this->chargerConfigProjet(); |
} |
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private function chargerConfigProjet() { |
$projet = $this->projetNom; |
$chemin = Config::get('chemin_configurations')."config_$projet.ini"; |
Config::charger($chemin); |
} |
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/*------------------------------------------------------------------------------------------------------------------ |
CONFIGURATION DU SERVICE |
------------------------------------------------------------------------------------------------------------------*/ |
private function initialiserService() { |
$this->chargerNomService(); |
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$classe = $this->obtenirNomClasseService($this->serviceNom); |
$chemins = array(); |
$chemins[] = $this->cheminCourant.$this->projetNom.DS.$classe.'.php'; |
$chemins[] = $this->cheminCourant.'commun'.DS.$classe.'.php'; |
$retour = ''; |
$service = null; |
foreach ($chemins as $chemin) { |
if (file_exists($chemin)) { |
$this->conteneur->chargerConfiguration('config_'.$this->projetNom.'.ini'); |
require_once $chemin; |
$service = new $classe($this->conteneur); |
if ($this->methode == 'consulter') { |
$retour = $service->consulter($this->ressources, $this->parametres); |
} |
} |
} |
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if (is_null($service)) { |
$message = "Le service demandé '{$this->serviceNom}' n'existe pas dans le projet {$this->projetNom} !"; |
$code = RestServeur::HTTP_CODE_RESSOURCE_INTROUVABLE; |
throw new Exception($message, $code); |
} |
return $retour; |
} |
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private function chargerNomService() { |
if (!isset($this->ressources[0])) { |
$message = "Vous devez indiquer un nom de service"; |
$code = RestServeur::HTTP_CODE_ERREUR; |
throw new Exception($message, $code); |
} else { |
$this->serviceNom = $this->ressources[0]; |
} |
} |
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private function obtenirNomClasseService($mot) { |
$classeNom = 'Syndication'.ucwords($mot); |
return $classeNom; |
} |
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private function getTypeMime() { |
$mime = ''; |
switch ($this->format) { |
case 'atom' : |
$mime = 'application/atom+xml'; |
break; |
case 'rss1' : |
case 'rss2' : |
$mime = 'application/rss+xml'; |
break; |
case 'opml' : |
$mime = 'text/x-opml'; |
break; |
default: |
$mime = 'text/html'; |
} |
return $mime; |
} |
} |
?> |