Subversion Repositories eFlore/Projets.eflore-projets

<?php
/**
 * Exemple de lancement du script : /opt/lampp/bin/php cli.php ontologie -a analyser
 *
 */
class Ontologie extends Script {

        private $lecteur = null;
        private $fichier = '';
        private $lotsTermes = array();
        private $lotsRelations = array();
        private $baseIdGroupe = 10000;
        private $baseIdSousGroupe = 20000;
        private $types = array(
                'FREQUENCY_MODIFIERS' => 2,
                'QUALIFIERS' => 3,
                'RELATIVE_MODIFIERS' => 4,
                'RELATIVE_VALUES' => 5,
                'SPATIAL_MODIFIERS' => 6,
                'LOCATER_REGIONS' => 7,
                'TEMPORAL_MODIFIERS' => 8,
                'UNIT_TERMS' => 9,
                'QUANTITATIVE_PROPERTIES' => 10,
                'NEW_QUALITATIVE_PROPERTIES' => 11,
                'DISALLOWED_TERMS' => 20,
                'QUALITATIVE_STATES' => 13);

        public function executer() {
                try {
                        $this->bdd = new Bdd();
                        $this->fichier = realpath(dirname(__FILE__)).'/../../../donnees/ontologie/v1.00_2003-02-18/Ontology.xml';
                        // Lancement de l'action demandée
                        $cmd = $this->getParametre('a');
                    switch ($cmd) {
                        case 'analyser' :
                                        $this->vider();
                                $this->lireFichierXml();
                                        break;
                        case 'vider' :
                                $this->vider();
                                default :
                                        throw new Exception("Erreur : la commande '$cmd' n'existe pas!");
                        }
                } catch (Exception $e) {
                        $this->traiterErreur($e->getMessage());
                }
    }


    /**
         * Lit le fichier OSM et lance l'analyse des noeuds xml en fonction de leur type.
         */
        private function lireFichierXml() {
                $termes = array_keys($this->types);
                $this->lecteur = new XMLReader();
                if ($this->ouvrirFichierXml()) {
                        while ($this->lecteur->read()) {
                                if ($this->lecteur->nodeType == XMLREADER::ELEMENT) {
                                        if (in_array($this->lecteur->localName, $termes)) {
                                                $noeud = $this->obtenirNoeudSimpleXml();
                                                $type = $this->lecteur->localName;
                                                $this->traiterTermes($this->types[$type], $noeud->children());
                                        } else if ($this->lecteur->localName == 'STATE_GROUPS') {
                                                $noeud = $this->obtenirNoeudSimpleXml();
                                                $this->traiterGroupes($noeud->children());
                                        }
                                }
                        }
                        if (count($this->lotsTermes) > 0) {
                                $this->insererLotDeTermes();
                        }
                        if (count($this->lotsRelations) > 0) {
                                $this->insererLotDeRelations();
                        }
                }
        }

        private function ouvrirFichierXml() {
                if ($this->lecteur->open($this->fichier) === false) {
                        throw new Exception("Impossible d'ouvrir le fichier XML : $this->fichier");
                }
                return true;
        }

        private function obtenirNoeudSimpleXml() {
                $doc = new DOMDocument;
                $element = $this->lecteur->expand();
                $noeud = simplexml_import_dom($doc->importNode($element, true));
                return $noeud;
        }

        private function traiterTermes($type, $termes) {
                foreach ($termes as $terme) {
                        $id = (int) $terme->attributes()->GLOBALID;
                        if (isset($lotsTermes[$id]) === false) {
                                $valeur = array();
                                $valeur[] = (int) $id;
                                $valeur[] = (int) $type;
                                $valeur[] = (string) $terme->attributes()->term;
                                $valeur[] = (string) $this->obtenirDefinition($terme);
                                $valeur[] = (int) $this->obtenirPreference($terme);
                                $valeur[] = (int) $this->obtenirAuteur($terme);
                                $valeur[] = (int) $terme->attributes()->citationREF;
                                $valeur[] = (int) $this->obtenirImage($terme);
                                $this->lotsTermes[$id] = $valeur;
                        }
                        if (isset($terme->attributes()->parentID)) {
                                $relation = array();
                                $relation[] = (int) $terme->attributes()->GLOBALID;
                                $relation[] = (int) $terme->attributes()->parentID;
                                $relation[] = 'A POUR PARENT';
                                $this->lotsRelations[] = $relation;
                        }
                        if (isset($terme->attributes()->stateOfNEWPROPERTYID)) {
                                $relation = array();
                                $relation[] = (int) $terme->attributes()->GLOBALID;
                                $relation[] = (int) $terme->attributes()->stateOfNEWPROPERTYID;
                                $relation[] = 'A POUR NOUVELLE QUALITE';
                                $this->lotsRelations[] = $relation;
                        }
                }
        }

        private function obtenirDefinition($terme) {
                $definition = null;
                if (isset($terme->DEFINITION)) {
                        $definition = $terme->DEFINITION;
                }
                return $definition;
        }

        private function obtenirPreference($terme) {
                $preference = '1';
                if (isset($terme->attributes()->PREFERRED_TERM)) {
                        $valeur = (string) $terme->attributes()->PREFERRED_TERM;
                        $preference = (trim($valeur) == 'Disallowed Term') ? '0' : '1';
                }
                return $preference;
        }

        private function obtenirAuteur($terme) {
                $auteur = 0;
                if (isset($terme->attributes()->authorID)) {
                        $auteur = $terme->attributes()->authorID;
                } elseif (isset($terme->attributes()->authorREF)) {
                        $auteur = $terme->attributes()->authorREF;
                }
                return $auteur;
        }

        private function obtenirImage($terme) {
                $image = 0;
                if (isset($terme->attributes()->pictureREF)) {
                        $image = $terme->attributes()->pictureREF;
                }
                return $image;
        }

        private function traiterGroupes($groupes) {
                $lotsTermes = $lotsRelations = array();
                foreach ($groupes as $groupe) {
                        $id = $this->baseIdGroupe + (int) $groupe->attributes()->GROUP_ID;
                        if (isset($lotsTermes[$id]) === false) {
                                $valeur = array();
                                $valeur[] = (int) $id;
                                $valeur[] = 18;
                                $valeur[] = (string) $groupe->attributes()->groupName;
                                $valeur[] = '';
                                $valeur[] = 1;
                                $valeur[] = 0;
                                $valeur[] = 0;
                                $valeur[] = 0;
                                $this->lotsTermes[$id] = $valeur;
                        }
                        if (isset($groupe->STRUCTURES_LINKED_TO_GROUP)) {
                                foreach ($groupe->STRUCTURES_LINKED_TO_GROUP->children() as $structure) {
                                        $relation = array();
                                        $relation[] = (int) $structure->attributes()->GLOBALID;
                                        $relation[] = (int) $id;
                                        $relation[] = 'A POUR GROUPE';
                                        $this->lotsRelations[] = $relation;
                                }
                        }
                        if (isset($groupe->STATES_IN_GROUP)) {
                                foreach ($groupe->STATES_IN_GROUP->children() as $etat) {
                                        $relation = array();
                                        $relation[] = (int) $id;
                                        $relation[] = (int) $etat->attributes()->GLOBALID;
                                        $relation[] = 'A POUR ETAT';
                                        $this->lotsRelations[] = $relation;
                                }
                        }
                        if (isset($groupe->STATESUBGROUPS)) {
                                $this->traiterSousGroupes($id, $groupe->STATESUBGROUPS->children());
                        }
                }
        }

        private function traiterSousGroupes($idGroupe, $sousGroupes) {
                $lotsTermes = $lotsRelations = array();
                foreach ($sousGroupes as $sg) {
                        $id = $this->baseIdSousGroupe + (int) $sg->attributes()->STATESUBGROUP_GLOBALID;
                        if (isset($lotsTermes[$id]) === false) {
                                $valeur = array();
                                $valeur[] = (int) $id;
                                $valeur[] = 19;
                                $valeur[] = (string) $sg->attributes()->subgGroupName;
                                $valeur[] = '';
                                $valeur[] = 1;
                                $valeur[] = 0;
                                $valeur[] = 0;
                                $valeur[] = 0;
                                $this->lotsTermes[$id] = $valeur;

                                $relation = array();
                                $relation[] = (int) $idGroupe;
                                $relation[] = (int) $id;
                                $relation[] = 'A POUR SOUS-GROUPE';
                                $this->lotsRelations[] = $relation;
                        }
                        if (isset($sg->STATES_IN_SUBGROUP)) {
                                foreach ($sg->STATES_IN_SUBGROUP->children() as $etat) {
                                        $relation = array();
                                        $relation[] = (int) $id;
                                        $relation[] = (int) $etat->attributes()->GLOBALID;
                                        $relation[] = 'A POUR ETAT';
                                        $this->lotsRelations[] = $relation;
                                }
                        }
                }
        }

        private function insererLotDeTermes() {
                $champs = implode(',', array('id_terme', 'ce_type', 'terme', 'definition', 'preference', 'ce_auteur', 'ce_publication', 'ce_image'));
                $values = $this->creerValues($this->lotsTermes);
                $requete = "INSERT INTO ontologie_terme ($champs) VALUES $values";
                $this->executerSql($requete);
        }

        private function insererLotDeRelations() {
                $champs = implode(',', array('id_terme_01', 'id_terme_02', 'relation'));
                $values = $this->creerValues($this->lotsRelations);
                $requete = "INSERT INTO ontologie_relation ($champs) VALUES $values";
                $this->executerSql($requete);
        }

        private function creerValues($valeurs) {
                $values = array();
                foreach ($valeurs as $valeur) {
                        foreach ($valeur as $id => $val) {
                                $valeur[$id] = $this->etreVide($val) ? 'NULL' : $this->proteger(trim($val));
                        }
                        $values[]  = '('.implode(',', $valeur).')';
                }
                $values = implode(',', $values);
                return $values;
        }

        private function etreVide($val) {
                $vide = ($val === null || trim($val) === '') ? true : false;
                return $vide;
        }

        private function executerSql($requete) {
                $this->bdd->requeter($requete);
        }

        private function proteger($chaine) {
                return $this->bdd->proteger($chaine);
        }

        private function vider() {
                $requete = 'TRUNCATE TABLE ontologie_terme';
                $this->executerSql($requete);
                $requete = 'TRUNCATE TABLE ontologie_relation';
                $this->executerSql($requete);
        }
}
?>