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<?php
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abstract class Formateur {
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protected $criteresRecherche;
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protected $bdd = null;
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protected $nomSource = '';
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public function __construct($criteresRecherche, $source) {
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$this->criteresRecherche = $criteresRecherche;
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$this->nomSource = $source;
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}
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protected function getBdd() {
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if (is_null($this->bdd)) {
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$this->bdd = new Bdd();
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$nomBdd = $this->nomSource == 'floradata' ? Config::get('bdd_nom_floradata') : Config::get('bdd_nom_eflore');
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$this->bdd->requeter("USE {$nomBdd}");
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}
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return $this->bdd;
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}
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public function recupererStations() {
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$stations = array();
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if ($this->nomSource == 'floradata' || $this->calculerNombreCriteresNonSpatiaux() > 0) {
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$requeteSql = $this->construireRequeteStations();
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$stations = $this->getBdd()->recupererTous($requeteSql);
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if ($this->determinerFormatRetour(count($stations)) == 'maille') {
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$maillage = new Maillage($this->criteresRecherche->bbox,
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$this->criteresRecherche->zoom, $this->nomSource);
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$maillage->genererMaillesVides();
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$maillage->ajouterStations($stations);
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$stations = $maillage->formaterSortie();
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}
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} else {
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$nombreStations = $this->obtenirNombreStationsDansBbox();
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if ($this->determinerFormatRetour($nombreStations) == 'maille') {
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$stations = $this->recupererMaillesDansBbox();
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} else {
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$requeteSql = $this->construireRequeteStations();
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$stations = $this->getBdd()->recupererTous($requeteSql);
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}
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}
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return $stations;
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}
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public function recupererWfs() {
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$requeteSql = $this->construireRequeteWfs();
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return $this->getBdd()->recupererTous($requeteSql);
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}
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protected function determinerFormatRetour($nombreStations) {
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$formatRetour = 'point';
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$zoomMaxMaillage = Config::get('zoom_maximal_maillage');
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if (isset($this->criteresRecherche->format) && $this->criteresRecherche->format == 'maille'
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&& $this->criteresRecherche->zoom <= $zoomMaxMaillage) {
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$formatRetour = 'maille';
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} else {
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$seuilMaillage = Config::get('seuil_maillage');
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if ($this->criteresRecherche->zoom <= $zoomMaxMaillage && $nombreStations > $seuilMaillage) {
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$formatRetour = 'maille';
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}
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}
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return $formatRetour;
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}
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protected function calculerNombreCriteresNonSpatiaux() {
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$nombreParametresNonSpatiaux = 0;
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$criteresAIgnorer = array('zoom', 'bbox', 'stations', 'referentiel', 'format');
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foreach ($this->criteresRecherche as $nomCritere => $valeur) {
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if (!in_array($nomCritere, $criteresAIgnorer)) {
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$nombreParametresNonSpatiaux ++;
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}
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}
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return $nombreParametresNonSpatiaux;
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}
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abstract protected function construireRequeteStations();
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protected function obtenirNombreStationsDansBbox() {}
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protected function recupererMaillesDansBbox() {}
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public function recupererObservations() {
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$requeteSql = $this->construireRequeteObservations();
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$observations = $this->getBdd()->recupererTous($requeteSql);
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if ($this->nomSource != 'floradata') {
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$this->recupererNumeroNomenclaturauxTaxons($observations);
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}
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$nomStation = $this->obtenirNomsStationsSurPoint();
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if (strlen($nomStation) == 0) {
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$nomStation = 'station sans nom';
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}
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for ($index = 0; $index < count($observations); $index ++) {
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$observations[$index]['nom_station'] = $nomStation;
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}
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return $observations;
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}
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abstract protected function construireRequeteObservations();
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protected function recupererNumeroNomenclaturauxTaxons(& $observations) {
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for ($index = 0; $index < count($observations); $index ++) {
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if (strlen (trim($observations[$index]['nomSci'])) == 0) {
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continue;
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}
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$numeroNomenclatural = isset($observations[$index]['nn']) ? $observations[$index]['nn'] : null;
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$referentiels = Referentiel::recupererListeReferentielsDisponibles();
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$taxon = null;
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$indexRef = 0;
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while ($indexRef < count($referentiels) && is_null($taxon)) {
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$referentiel = new Referentiel($referentiels[$indexRef]);
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$taxon = $referentiel->obtenirNumeroNomenclatural($observations[$index]['nomSci'],
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$numeroNomenclatural);
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$indexRef ++;
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}
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if (!is_null($taxon)) {
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$observations[$index]['nn'] = $taxon['nn'];
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$observations[$index]['nom_referentiel'] = $taxon['referentiel'];
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} else {
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$observations[$index]['nn'] = '';
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}
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}
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}
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abstract protected function obtenirNomsStationsSurPoint();
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}
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?>
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