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<?php
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// declare(encoding='UTF-8');
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/**
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* Script d'extration des métadonnées des images pour intégration dans la BDD v2.
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*
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* @category php 5.2
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* @package Cel/Scripts
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* @author Jean-Pascal MILCENT <jpm@tela-botanica.org>
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* @copyright Copyright (c) 2012, Tela Botanica (accueil@tela-botanica.org)
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* @license http://www.cecill.info/licences/Licence_CeCILL_V2-fr.txt Licence CECILL
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* @license http://www.gnu.org/licenses/gpl.html Licence GNU-GPL
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* @version $Id$
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*/
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class ExtracteurMeta extends Cel {
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public function executer() {
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try {
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echo "EXTRACTION des MÉTADONNÉES\n";
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echo "Vérification config : ".$this->verifierConfig();
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} catch (Exception $e) {
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$code = $e->getCode();
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$message = $e->getMessage();
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die("\n$code : $message\n");
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}
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}
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private function verifierConfig() {
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if (empty($this->config['cel']['chemin_images'])) {
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$message = "Vous devez indiquer le dossier contenant la hiérarchie des images dans le paramètre : ".
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"[cel] chemin_images";
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throw new Exception($message, E_USER_ERROR);
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}
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return 'OK';
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}
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private function extraireMetadonneesExifTool($cheminImage) {
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$metadata = array();
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$res = exec('/usr/bin/exiftool -g -D '.$chemin_image, $metadata);
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$metadata_decodees = array();
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$categorie = '';
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foreach($metadata as &$data) {
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if($this->estUnSeparateurCategorieExifTool($data)) {
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$categorie = trim(str_replace('----','',$data));
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} else {
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$data_decodee = $this->parserValeurMetadonneeExifTool($data);
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$cle_metadonnee = str_replace(' ', '', $data_decodee['cle']);
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$metadata_decodees[$categorie][$cle_metadonnee] = $data_decodee;
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$this->id_cle_metadonnees[$cle_metadonnee] = $data_decodee['id'];
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}
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}
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return $metadata_decodees;
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}
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public function obtenirCheminImageOriginale($id_image) {
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$nom = $this->convertirIdBddVersNomFichier($id_image, 'O');
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$dossier = $this->obtenirDossierPourFormat($id_image,'O');
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return $dossier.'/'.$nom;
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}
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public function convertirIdBddVersNomFichier($id, $format, $extension = 'jpg') {
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$id_avec_zeros = sprintf('%09s', $id) ;
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$id_avec_zeros_underscores = wordwrap($id_avec_zeros, 3 , '_', true) ;
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$nom_fichier = $id_avec_zeros_underscores.'_'.$format.'.'.$extension;
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return $nom_fichier;
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}
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public function obtenirDossierPourFormat($id, $format) {
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$chemin_base = $this->config['cel']['chemin_images'];
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$chemin_sur_serveur = $chemin_base;
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$id = sprintf('%09s', $id);
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$id = wordwrap($id, 3 , '_', true);
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list($dossierNiveau1, $dossierNiveau2) = explode('_', $id);
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$chemin_sur_serveur_final = $chemin_sur_serveur.'/'.$dossierNiveau1.'/'.$dossierNiveau2.'/'.$format;
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return $chemin_sur_serveur_final;
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}
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}
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?>
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