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