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<?php
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//declare(encoding='UTF-8');
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/**
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* Classe permettant de :
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* - rajouter l'objet point centroide de la commune.
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* - charger la bdd
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* Exemple de lancement du script : :
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* /opt/lampp/bin/php cli.php wikipedia -a chargerTous
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*
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* @category php 5.2
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* @package eFlore/Scripts
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* @author Mohcen BENMOUNAH <mohcen@tela-botanica.org>
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* @author Jean-Pascal MILCENT <jpm@tela-botanica.org>
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* @copyright Copyright (c) 2011, 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 Wikipedia extends EfloreScript {
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private $tableMeta = '';
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private $cheminFichierMeta = '';
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private $tableCommunes = '';
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private $cheminFichierCommunes = '';
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public function executer() {
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try {
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$this->initialiserProjet('wikipedia');
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$this->tableMeta = Config::get('tables.wikipediaMeta');
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$this->cheminFichierMeta = Config::get('chemins.wikipediaMeta');
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$this->tableCommunes = Config::get('tables.wikipediaCommunes');
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$this->cheminFichierCommunes = Config::get('chemins.wikipediaCommunes');
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// Lancement de l'action demandée
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$cmd = $this->getParametre('a');
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switch ($cmd) {
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case 'chargerTous' :
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$this->chargerStructureSql();
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$this->chargerMetaDonnees();
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$this->chargerWikipediaCommunes();
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$this->preparerTable();
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$this->recupererPoints();
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case 'points' :
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$this->preparerTable();
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$this->recupererPoints();
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break;
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case 'supprimerTous' :
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$this->supprimerTous();
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break;
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default :
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throw new Exception("Erreur : la commande '$cmd' n'existe pas!");
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}
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} catch (Exception $e) {
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$this->traiterErreur($e->getMessage());
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}
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}
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protected function chargerMetaDonnees() {
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$contenuSql = $this->recupererContenu($this->cheminFichierMeta);
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$this->executerScripSql($contenuSql);
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}
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private function chargerWikipediaCommunes() {
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$requete = "LOAD DATA INFILE '{$this->cheminFichierCommunes}' ".
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"REPLACE INTO TABLE {$this->tableCommunes} ".
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'CHARACTER SET utf8 '.
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'FIELDS '.
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" TERMINATED BY ',' ".
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" ENCLOSED BY '\"' ".
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" ESCAPED BY '\\\' ".
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'IGNORE 1 LINES';
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$this->getBdd()->requeter($requete);
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}
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private function preparerTable() {
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$requete = "ALTER TABLE {$this->tableCommunes} ".
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'DROP centroide ';
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$this->getBdd()->requeter($requete);
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$requete = "ALTER TABLE {$this->tableCommunes} ".
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' ADD centroide point NOT NULL ';
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$this->getBdd()->requeter($requete);
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$requete = "ALTER TABLE {$this->tableCommunes} ".
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' ADD INDEX (centroide) ';
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$this->getBdd()->requeter($requete);
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}
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private function recupererPoints() {
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$requete = 'SELECT * '.
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"FROM {$this->tableCommunes} ";
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$LatLons = $this->getBdd()->recupererTous($requete);
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foreach ($LatLons as $LatLon) {
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$latitude_degre = $LatLon['latitude'];
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$longitude_degre = $LatLon['longitude'];
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$insee = $LatLon['code_insee'];
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$this->formerPointCentre($latitude_degre, $longitude_degre, $insee);
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$this->afficherAvancement('Analyse des communes Wikipedia');
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}
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}
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private function formerPointCentre($latitude_degre, $longitude_degre, $insee) {
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$centre = "$latitude_degre $longitude_degre";
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$requete = "UPDATE {$this->tableCommunes} ".
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"SET centroide = POINTFROMTEXT('POINT($centre)') ".
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"WHERE code_insee = $insee ";
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$this->getBdd()->requeter($requete);
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}
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private function supprimerTous() {
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$requete = "DROP TABLE {$this->tableMeta}, {$this->tableCommunes}";
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$this->getBdd()->requeter($requete);
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}
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}
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?>
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