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<?php
//declare(encoding='UTF-8');
/**
 * Exemple de lancement du script : :
 * /opt/lampp/bin/php cli.php bdtfx -a chargerTous
 *
 * @category    php 5.2
 * @package             eFlore/Scripts
 * @author              Jennifer DHÉ <jennifer@tela-botanica.org>
 * @author              Jean-Pascal MILCENT <jpm@tela-botanica.org>
 * @copyright   Copyright (c) 2011, 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 Bdtfx extends EfloreScript {

        private $table = null;
        private $pasInsertion = 1000;
        private $departInsertion = 0;

        protected $parametres_autorises = array(
                '-t' => array(false, false, 'Permet de tester le script sur un jeu réduit de données (indiquer le nombre de lignes).'));

        public function executer() {
                try {
                        $this->initialiserProjet('bdtfx');

                        // Lancement de l'action demandée
                        $cmd = $this->getParametre('a');
                        switch ($cmd) {
                                case 'chargerTous' :
                                        $this->chargerStructureSql();
                                        $this->chargerBdtfx();
                                        $this->genererChpNomSciHtml();
                                        $this->genererChpFamille();
                                        $this->genererDonneesTestMultiVersion();
                                        break;
                                case 'chargerStructureSql' :
                                        $this->chargerStructureSql();
                                        break;
                                case 'chargerBdtfx' :
                                        $this->chargerBdtfx();
                                        break;
                                case 'genererNomSciHtml' :
                                        $this->genererChpNomSciHtml();
                                        break;
                                case 'genererChpFamille' :
                                        $this->genererChpFamille();
                                        break;
                                case 'genererDonneesTestMultiVersion' :
                                        $this->genererDonneesTestMultiVersion();
                                        break;
                                case 'supprimerDonneesTestMultiVersion' :
                                        $this->supprimerDonneesTestMultiVersion();
                                        break;
                                case 'supprimerTous' :
                                        $this->supprimerTous();
                                        break;
                                default :
                                        throw new Exception("Erreur : la commande '$cmd' n'existe pas!");
                        }
                } catch (Exception $e) {
                        $this->traiterErreur($e->getMessage());
                }
        }

        private function chargerBdtfx() {
                $chemin = Config::get('chemins.bdtfx');
                $table = Config::get('tables.bdtfx');
                $requete = "LOAD DATA INFILE '$chemin' ".
                                "REPLACE INTO TABLE $table ".
                                'CHARACTER SET utf8 '.
                                'FIELDS '.
                                "       TERMINATED BY '\t' ".
                                "       ENCLOSED BY '' ".
                                "       ESCAPED BY '\\\' ".
                                'IGNORE 1 LINES';
                $this->getBdd()->requeter($requete);
        }

        private function genererChpNomSciHtml() {
                $this->initialiserGenerationChamps();
                $this->preparerTablePrChpNomSciHtml();
                $generateur = new GenerateurNomSciHtml();
                $nbreTotal = $this->recupererNbTotalTuples();
                $erreurs = array();
                $this->departInsertion = 0;
                while ($this->departInsertion < $nbreTotal) {
                        $resultat = $this->recupererTuplesPrChpNomSciHtml();

                        try {
                                $nomsSciEnHtml = $generateur->generer($resultat);
                        } catch (Exception $e) {
                                $erreurs[] = $e->getMessage();
                        }

                        $this->remplirChpNomSciHtm($nomsSciEnHtml);
                        $this->departInsertion += $this->pasInsertion;
                        $this->afficherAvancement("Insertion des noms scientifique au format HTML dans la base par paquet de {$this->pasInsertion} en cours");
                        if ($this->stopperLaBoucle($this->getParametre('t'))) break;
                }
                echo "\n";

                $this->creerFichierLog('Erreurs lors de la génération HTML des noms scientifiques', $erreurs, 'erreurs_noms_sci_html');
        }

        private function initialiserGenerationChamps() {
                $this->table = Config::get('tables.bdtfx');
        }

        private function preparerTablePrChpNomSciHtml() {
                $requete = "SHOW COLUMNS FROM {$this->table} LIKE 'nom_sci_html' ";
                $resultat = $this->getBdd()->recuperer($requete);
                if ($resultat === false) {
                        $requete =      "ALTER TABLE {$this->table} ".
                                'ADD nom_sci_html VARCHAR( 500 ) '.
                                'CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL ';
                        $this->getBdd()->requeter($requete);
                }
        }

        private function recupererNbTotalTuples(){
                $requete = "SELECT count(*) AS nb FROM {$this->table} ";
                $resultat = $this->getBdd()->recuperer($requete);
                return $resultat['nb'];
        }

        private function recupererTuplesPrChpNomSciHtml() {
                $requete = 'SELECT      num_nom, rang, nom_supra_generique, genre, epithete_infra_generique, '.
                        '       epithete_sp, type_epithete, epithete_infra_sp,cultivar_groupe, '.
                        '       nom_commercial, cultivar '.
                        "FROM {$this->table} ".
                        "LIMIT {$this->departInsertion},{$this->pasInsertion} ";
                $resultat = $this->getBdd()->recupererTous($requete);
                return $resultat;
        }

        private function remplirChpNomSciHtm($nomsSciHtm) {
                foreach ($nomsSciHtm as $id => $html) {
                        $html = $this->getBdd()->proteger($html);
                        $requete = "UPDATE {$this->table} SET nom_sci_html = $html WHERE num_nom = $id ";
                        $resultat = $this->getBdd()->requeter($requete);
                        if ($resultat === false) {
                                throw new Exception("Erreur d'insertion pour le tuple $id");
                        }
                }
        }

        private function genererChpFamille() {
                $this->initialiserGenerationChamps();
                $this->preparerTablePrChpFamille();
                $resultats = $this->recupererTuplesPrChpFamille();
                $noms = array();
                $introuvables = array();
                $introuvablesSyno = array();
                foreach ($resultats as $id => $nom) {
                        $nn = $nom['num_nom'];
                        $nnr = $nom['num_nom_retenu'];
                        $nts = $nom['num_tax_sup'];
                        $rg = $nom['rang'];
                        if ($nnr != '') {
                                if ($rg == '180') {
                                        $noms[$nn] = $nom['nom_sci'];
                                } else {
                                        if ($nn == $nnr) {// nom retenu
                                                if (isset($noms[$nts])) {
                                                        $noms[$nn] = $noms[$nts];
                                                } else {
                                                        $introuvables[] = $nn;
                                                }
                                        } else {// nom synonyme
                                                if (isset($noms[$nnr])) {
                                                        $noms[$nn] = $noms[$nnr];
                                                } else {
                                                        $introuvablesSyno[] = $nom;
                                                }
                                        }
                                }
                        }
                        unset($resultats[$id]);
                        $this->afficherAvancement("Attribution de leur famille aux noms en cours");
                        if ($this->stopperLaBoucle($this->getParametre('t'))) break;
                }
                echo "\n";

                foreach ($introuvablesSyno as $id => $nom) {
                        $nn = $nom['num_nom'];
                        $nnr = $nom['num_nom_retenu'];
                        if (isset($noms[$nnr])) {
                                $noms[$nn] = $noms[$nnr];
                        } else {
                                $introuvables[] = $nn;
                        }
                        unset($introuvablesSyno[$id]);
                        $this->afficherAvancement("Attribution de leur famille aux synonymes en cours");
                }
                echo "\n";

                $msg = 'Plusieurs familles sont introuvables';
                $this->creerFichierLog($msg, $introuvables, 'famille_introuvable');

                $this->remplirChpFamille($noms);
        }

        private function preparerTablePrChpFamille() {
                $requete = "SHOW COLUMNS FROM {$this->table} LIKE 'famille' ";
                $resultat = $this->getBdd()->recuperer($requete);
                if ($resultat === false) {
                        $requete =      "ALTER TABLE {$this->table} ".
                                'ADD famille VARCHAR(255) '.
                                'CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL ';
                        $this->getBdd()->requeter($requete);
                }
        }

        private function recupererTuplesPrChpFamille() {
                $requete = 'SELECT num_nom, num_nom_retenu, num_tax_sup, rang, nom_sci '.
                                "FROM {$this->table} ".
                                "WHERE rang >= 180 ".
                                "ORDER BY rang ASC, num_tax_sup ASC, num_nom_retenu DESC ";
                $resultat = $this->getBdd()->recupererTous($requete);
                return $resultat;
        }

        private function remplirChpFamille($noms) {
                foreach ($noms as $id => $famille) {
                        $famille = $this->getBdd()->proteger($famille);
                        $requete = "UPDATE {$this->table} SET famille = $famille WHERE num_nom = $id ";
                        $resultat = $this->getBdd()->requeter($requete);
                        if ($resultat === false) {
                                throw new Exception("Erreur d'insertion pour le tuple $id");
                        }
                        $this->afficherAvancement("Insertion des noms de famille dans la base en cours");
                }
                echo "\n";
        }

        private function genererDonneesTestMultiVersion() {
                $contenuSql = $this->recupererContenu(Config::get('chemins.structureSqlTest'));
                $this->executerScripSql($contenuSql);

                $table = Config::get('tables.bdtfx');
                $tableTest = Config::get('tables.bdtfxTest');
                $requete = "INSERT INTO $tableTest SELECT * FROM $table";
                $this->getBdd()->requeter($requete);
        }

        private function supprimerDonneesTestMultiVersion() {
                $tableMeta = Config::get('tables.bdtfxMeta');
                $requete = "DELETE FROM $tableMeta WHERE guid = 'urn:lsid:tela-botanica.org:bdtfx:1.02'";
                $this->getBdd()->requeter($requete);

                $tableTest = Config::get('tables.bdtfxTest');
                $requete = "DROP TABLE IF EXISTS $tableTest";
                $this->getBdd()->requeter($requete);
        }

        private function supprimerTous() {
                $requete = "DROP TABLE IF EXISTS bdtfx_meta, bdtfx_v1_01, bdtfx_v1_02";
                $this->getBdd()->requeter($requete);
        }

        private function creerFichierLog($message, $lignes, $nomFichier) {
                $lignesNbre = count($lignes);
                if ($lignesNbre != 0) {
                        echo "$message. Voir le log de $lignesNbre lignes :\n";

                        $logContenu = implode(", \n", $lignes);
                        $logFichier = realpath(dirname(__FILE__))."/log/$nomFichier.log";
                        echo $logFichier."\n";
                                        file_put_contents($logFichier, $logContenu);
                }
        }
}
?>