739 |
delphine |
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<?php
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// declare(encoding='UTF-8');
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/**
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* Service affichant les dernières observations publiques du CEL.
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* Encodage en entrée : utf8
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* Encodage en sortie : utf8
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*
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* Cas d'utilisation et documentation :
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* @link http://www.tela-botanica.org/wikini/eflore/wakka.php?wiki=AideCELWidget
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*
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* Paramètres :
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* ===> vignette = [0-9]+,[0-9]+ [par défaut : 4,3]
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* Indique le nombre de vignette par ligne et le nombre de ligne.
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*
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* @author Delphine <jpm@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 $Id$
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* @copyright Copyright (c) 2011, Tela Botanica (accueil@tela-botanica.org)
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*/
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class Observation extends WidgetCommun {
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const DS = DIRECTORY_SEPARATOR;
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const SERVICE_DEFAUT = 'observation';
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private $flux_rss_url = null;
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private $eflore_url_tpl = null;
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/**
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* Méthode appelée par défaut pour charger ce widget.
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*/
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public function executer() {
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$retour = null;
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// Pour la création de l'id du cache nous ne tenons pas compte du paramètre de l'url callback
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unset($this->parametres['callback']);
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extract($this->parametres);
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if (!isset($mode)) {
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$mode = self::SERVICE_DEFAUT;
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}
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$this->eflore_url_tpl = $this->config['observation']['efloreUrlTpl'];
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$this->flux_rss_url = $this->config['observation']['fluxRssUrl'];
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$cache_activation = $this->config['observation.cache']['activation'];
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$cache_stockage = $this->config['observation.cache']['stockageDossier'];
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$ddv = $this->config['observation.cache']['dureeDeVie'];
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$cache = new Cache($cache_stockage, $ddv, $cache_activation);
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$id_cache = 'observation-'.hash('adler32', print_r($this->parametres, true));
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if (! $contenu = $cache->charger($id_cache)) {
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$methode = $this->traiterNomMethodeExecuter($mode);
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if (method_exists($this, $methode)) {
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$retour = $this->$methode();
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} else {
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$this->messages[] = "Ce type de service '$methode' n'est pas disponible.";
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}
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if (is_null($retour)) {
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$contenu = 'Un problème est survenu : '.print_r($this->messages, true);
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} else {
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$squelette = dirname(__FILE__).self::DS.'squelettes'.self::DS.$retour['squelette'].'.tpl.html';
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$contenu = $this->traiterSquelettePhp($squelette, $retour['donnees']);
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$cache->sauver($id_cache, $contenu);
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}
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}
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if (isset($_GET['callback'])) {
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$this->envoyerJsonp(array('contenu' => $contenu));
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} else {
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$this->envoyer($contenu);
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}
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}
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private function executerAjax() {
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$widget = $this->executerObservation();
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$widget['squelette'] = 'observation_ajax';
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return $widget;
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}
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private function executerObservation() {
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$widget = null;
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extract($this->parametres);
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$max_obs = (isset($max_obs) && preg_match('/^[0-9]+,[0-9]+$/', $max_obs)) ? $max_obs : '10';
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$this->flux_rss_url .= $this->traiterParametres();
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delphine |
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if (@file_get_contents($this->flux_rss_url, false) != false) {
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788 |
delphine |
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$xml = file_get_contents($this->flux_rss_url);
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if ($xml) {
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try {
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$flux = new XmlFeedParser($xml);
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$widget['donnees']['flux_rss_url'] = $this->flux_rss_url;
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$widget['donnees']['url_css'] = sprintf($this->config['chemins']['baseURLAbsoluDyn'], 'modules/observation/squelettes/css/');
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$widget['donnees']['colonne'] = 1;
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$num = 0;
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foreach ($flux as $entree) {
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if ($num == $max_obs) {
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break;
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}
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$item = array();
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// Formatage date
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$date = $entree->updated ? $entree->updated : null;
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$date = $entree->pubDate ? $entree->pubDate : $date;
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$item['date'] = strftime('%A %d %B %Y', $date);
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// Formatage titre
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$item['titre'] = $entree->title;
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$item['nn'] = '';
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$item['eflore_url'] = '#';
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if (preg_match('/\[nn([0-9]+)\]/', $entree->title, $match)) {
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$item['nn'] = $match[1];
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$item['eflore_url'] = sprintf($this->eflore_url_tpl, $item['nn']);
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}
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// Récupération du GUID
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if (preg_match('/urn:lsid:tela-botanica.org:cel:obs([0-9]+)$/', $entree->id, $match)) {
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$item['guid'] = (int) $match[1];
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} else {
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$item['guid'] = $entree->id;
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}
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$item['description'] = $entree->content;
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$widget['donnees']['items'][$num++] = $item;
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delphine |
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}
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delphine |
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$widget['squelette'] = 'observation';
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} catch (XmlFeedParserException $e) {
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trigger_error('Flux invalide : '.$e->getMessage(), E_USER_WARNING);
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delphine |
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}
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delphine |
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} else {
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$this->messages[] = "Fichier xml invalide.";
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delphine |
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}
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delphine |
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} else {
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$this->messages[] = "L'URI, $this->flux_rss_url, est invalide.";
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delphine |
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}
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return $widget;
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}
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private function traiterParametres() {
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$parametres_flux = '?';
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delphine |
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$criteres = array('utilisateur', 'commune', 'dept', 'taxon', 'commentaire', 'date', 'projet');
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delphine |
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foreach($this->parametres as $nom_critere => $valeur_critere) {
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delphine |
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if (in_array($nom_critere, $criteres)) {
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$valeur_critere = str_replace(' ', '%20', $valeur_critere);
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$parametres_flux .= $nom_critere.'='.$valeur_critere.'&';
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delphine |
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}
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}
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if ($parametres_flux == '?') {
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$parametres_flux = '';
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} else {
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$parametres_flux = rtrim($parametres_flux, '&');
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}
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return $parametres_flux;
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}
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}
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?>
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