New file |
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<?php |
// declare(encoding='UTF-8'); |
/** |
* Script d'extration des métadonnées des images pour intégration dans la BDD v2. |
* Utilisation : /opt/lampp/bin/php cli.php ExtracteurMeta |
* |
* @category php 5.2 |
* @package Cel/Scripts |
* @author Aurelien PERONNET <aurelien@tela-botanica.org> |
* @author Jean-Pascal MILCENT <jpm@tela-botanica.org> |
* @copyright Copyright (c) 2012, Tela Botanica (accueil@tela-botanica.org) |
* @license http://www.cecill.info/licences/Licence_CeCILL_V2-fr.txt Licence CECILL |
* @license http://www.gnu.org/licenses/gpl.html Licence GNU-GPL |
* @version $Id$ |
*/ |
class ExtracteurMeta { |
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const DROIT = 0705; |
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private $chemin_images = ''; |
private $bdd = null; |
private $script = null; |
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private $idImg = null; |
private $metaComplet = null; |
private $exif = null; |
private $iptc = null; |
private $xmp = null; |
private $makerNotes = null; |
private $metaAutres = null; |
|
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public function __construct(Conteneur $conteneur) { |
$this->chemin_images = $conteneur->getParametre('cel.chemin_images'); |
$this->bdd = $conteneur->getBdd(); |
$this->script = $conteneur->getScript(); |
} |
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public function executer($arguments) { |
echo "EXTRACTION des MÉTADONNÉES\n"; |
echo "Vérification config : ".$this->verifierConfig()."\n"; |
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$images = $this->obtenirImagesEnBdd(); |
foreach ($images as $img) { |
$this->idImg = $img['id_image']; |
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$cheminImage = $this->obtenirCheminImageOriginale($this->idImg); |
if (file_exists($cheminImage)) {clear |
$cmd = "exiftool -X -file:comment $cheminImage"; |
$metaFile = $this->executerCommandeSysteme($cmd); |
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if ($this->neccessiterRemplacement($metaFile) === true) { |
//print "Remplacement : {$this->idImg} \n"; |
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$cmd = "exiftool -X -D -U -b -c '%.6f' -d '%Y-%m-%d %H:%M:%S' -All $cheminImage"; |
$this->metaComplet = $this->executerCommandeSysteme($cmd); |
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$cmd = "exiftool -X -D -c '%.6f' -d '%Y-%m-%d %H:%M:%S' -exif:all $cheminImage"; |
$this->exif = $this->executerCommandeSysteme($cmd); |
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$cmd = "exiftool -X -D -c '%.6f' -d '%Y-%m-%d %H:%M:%S' -iptc:all $cheminImage"; |
$this->iptc = $this->executerCommandeSysteme($cmd); |
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$cmd = "exiftool -X -D -c '%.6f' -d '%Y-%m-%d %H:%M:%S' -xmp:all $cheminImage"; |
$this->xmp = $this->executerCommandeSysteme($cmd); |
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$cmd = "exiftool -X -D -c '%.6f' -d '%Y-%m-%d %H:%M:%S' -makernotes:all $cheminImage"; |
$this->makerNotes = $this->executerCommandeSysteme($cmd); |
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$cmd = "exiftool -X -D -c '%.6f' -d '%Y-%m-%d %H:%M:%S' --exif:all --iptc:all --xmp:all --makernotes:all $cheminImage"; |
$this->metaAutres = $this->executerCommandeSysteme($cmd); |
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$this->ecrireFichierRdf(); |
$this->mettreAJourBdd(); |
} |
} else { |
//print "Fichier image '{$this->idImg}' introuvable\n"; |
} |
$this->script->afficherAvancement("Analyse des images"); |
} |
print "\n"; |
} |
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private function verifierConfig() { |
if (empty($this->chemin_images)) { |
$message = "Vous devez indiquer le dossier contenant la hiérarchie des images dans le paramètre : ". |
"[cel] chemin_images"; |
$code = (string) E_USER_ERROR; |
throw new Exception($message); |
} |
return 'OK'; |
} |
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private function obtenirImagesEnBdd() { |
$requete = 'SELECT id_image FROM cel_images '; |
$images = $this->bdd->requeter($requete); |
return $images; |
} |
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private function executerCommandeSysteme($commande) { |
$handle = popen($commande, 'r'); |
$metaXml = ''; |
while (!feof($handle)) { |
$metaXml .= fread($handle, 8192); |
} |
fclose($handle); |
return $metaXml; |
} |
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private function obtenirCheminImageRDF() { |
return $this->obtenirCheminImage('RDF', 'xml'); |
} |
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private function obtenirCheminImageOriginale() { |
return $this->obtenirCheminImage('O'); |
} |
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private function obtenirCheminImage($format, $extension = 'jpg') { |
$nom = $this->convertirIdBddVersNomFichier($format, $extension); |
$cheminDossier = $this->obtenirDossierPourFormat($format); |
if (file_exists($cheminDossier) === false) { |
$this->creerDossier($cheminDossier); |
} |
return $cheminDossier.'/'.$nom; |
} |
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private function convertirIdBddVersNomFichier($format, $extension) { |
$id_avec_zeros = sprintf('%09s', $this->idImg) ; |
$id_avec_zeros_underscores = wordwrap($id_avec_zeros, 3 , '_', true) ; |
$nom_fichier = $id_avec_zeros_underscores.'_'.$format.'.'.$extension; |
return $nom_fichier; |
} |
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private function obtenirDossierPourFormat($format) { |
$id = sprintf('%09s', $this->idImg); |
$id = wordwrap($id, 3 , '_', true); |
list($dossierNiveau1, $dossierNiveau2) = explode('_', $id); |
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$chemin_sur_serveur_final = $this->chemin_images.'/'.$dossierNiveau1.'/'.$dossierNiveau2.'/'.$format; |
return $chemin_sur_serveur_final; |
} |
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private function creerDossier($cheminDossier) { |
umask(0); |
if (mkdir($cheminDossier, self::DROIT, true) === false) { |
$message = "Problème durant la création du dossier '$cheminDossier'."; |
throw new Exception($message); |
} |
} |
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private function neccessiterRemplacement($metaXml) { |
$meta = new SimpleXMLElement($metaXml); |
$rdf = $meta->children('http://www.w3.org/1999/02/22-rdf-syntax-ns#'); |
$file = $rdf->children('http://ns.exiftool.ca/File/1.0/'); |
return strpos($file->Comment, "CREATOR: gd-jpeg") === false ? true : false; |
} |
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private function ecrireFichierRdf() { |
$cheminRdf = $this->obtenirCheminImageRDF($this->idImg); |
file_put_contents($cheminRdf, $this->metaComplet); |
} |
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private function mettreAJourBdd() { |
$idImg = $this->bdd->proteger($this->idImg); |
$exif = $this->bdd->proteger($this->exif); |
$iptc = $this->bdd->proteger($this->iptc); |
$xmp = $this->bdd->proteger($this->xmp); |
$makerNotes = $this->bdd->proteger($this->makerNotes); |
$autres = $this->bdd->proteger($this->metaAutres); |
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$requete = 'UPDATE cel_images SET '. |
" meta_exif = $exif, ". |
" meta_iptc = $iptc, ". |
" meta_xmp = $xmp, ". |
" meta_makernote = $makerNotes, ". |
" meta_autres = $autres ". |
"WHERE id_image = $idImg "; |
$resultat = $this->bdd->executer($requete); |
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echo "Mise à jour image '{$this->idImg}' : $resultat\n"; |
} |
} |
?> |