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alex |
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<?php
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class FormateurJson {
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public function __construct() {}
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public function formaterStations($stations) {
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$objetJSON = new StdClass();
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$objetJSON->type = "FeatureCollection";
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$objetJSON->stats = new StdClass();
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$objetJSON->stats->source = array();
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$objetJSON->stats->formeDonnees = '';
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if (count($stations) > 0) {
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$objetJSON->stats->formeDonnees = ($stations[0]['type_site'] == 'MAILLE') ? 'maille' : 'point';
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}
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$objetJSON->stats->stations = 0;
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$objetJSON->stats->observations = 0;
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$objetJSON->features = array();
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foreach ($stations as $station) {
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$stationJSON = null;
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if ($station['type_site'] == 'MAILLE') {
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$stationJSON = $this->formaterMaille($station);
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$objetJSON->stats->stations += array_sum($station['stations']);
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$objetJSON->stats->observations += array_sum($station['observations']);
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} else {
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$stationJSON = $this->formaterPoint($station);
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$objetJSON->stats->stations ++;
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$objetJSON->stats->observations += $station['observations'];
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}
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$objetJSON->features[] = $stationJSON;
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$this->ajouterSourcesAuxStats($station, $objetJSON->stats);
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}
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return $objetJSON;
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}
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private function ajouterSourcesAuxStats($station, & $stats) {
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if ($station['type_site'] == 'MAILLE') {
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foreach ($station['stations'] as $source => $nombreStations) {
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if (!in_array($source, $stats->source)) {
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$stats->source[] = $source;
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}
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}
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} else {
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if (!in_array($station['source'], $stats->source)) {
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$stats->source[] = $station['source'];
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}
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}
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}
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private function formaterPoint(& $station) {
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$json = new StdClass();
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$json->type = "Feature";
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$json->geometry = new StdClass();
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$json->properties = new StdClass();
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$json->geometry->type = "Point";
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$json->properties->source = $station['source'];
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$json->properties->typeSite = $station['type_site'];
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$json->geometry->coordinates = array($station['latitude'], $station['longitude']);
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$codeInsee = isset($station['code_insee']) ? $station['code_insee'] : substr($station['ce_zone_geo'],-5);
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$codeDepartement = $this->extraireCodeDepartement($codeInsee);
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$nom = '';
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if ($station['source'] != 'floradata') {
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$json->properties->nom = trim($station['nom'])." ({$codeDepartement})";
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} else {
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$station['station'] = (is_null($station['station']) || strlen(trim($station['station'])) == 0)
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? $station['zone_geo'] : $station['station'];
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$nom = $station['type_site'] == 'COMMUNE' ? $station['zone_geo'] : $station['station'];
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$json->properties->nom = trim($nom)." ({$codeDepartement})";
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}
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return $json;
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}
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private function construireNomStation(& $station) {
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}
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private function extraireCodeDepartement($codeInsee) {
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$codeDepartement = substr($codeInsee, 0 ,2);
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if (intval($codeDepartement) > 95) {
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$codeDepartement = substr($codeInsee, 0 ,3);
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}
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return $codeDepartement;
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}
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private function formaterMaille($maille) {
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$json = new StdClass();
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$json->type = "Feature";
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$json->geometry = new StdClass();
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$json->geometry->type = "Polygon";
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$json->geometry->coordinates = array(
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array(floatval($maille['sud']), floatval($maille['ouest'])),
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array(floatval($maille['sud']), floatval($maille['est'])),
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array(floatval($maille['nord']), floatval($maille['est'])),
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array(floatval($maille['nord']), floatval($maille['ouest'])),
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array(floatval($maille['sud']), floatval($maille['ouest']))
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);
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$json->properties = new StdClass();
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$json->properties->source = array();
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foreach ($maille['stations'] as $source => $nombreStations) {
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$json->properties->source[] = $source;
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}
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$json->properties->typeSite = 'MAILLE';
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$json->properties->stations = $maille['stations'];
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$json->properties->observations = $maille['observations'];
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return $json;
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}
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public function formaterObservations($observations) {
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//print_r($observations); exit;
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$objetJSON = new StdClass();
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$objetJSON->site = trim($observations[0]['nom_station']);
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$objetJSON->total = count($observations);
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$objetJSON->observations = array();
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foreach ($observations as $observation) {
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$this->concatenerLieuObservation($observation);
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$observationJson = new stdClass();
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foreach ($observation as $colonne => $valeur) {
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if ($colonne == 'nom_referentiel') {
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$observationJson->urlEflore = $this->genererUrlFicheEflore($observation);
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} else {
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$observationJson->$colonne = is_string($valeur) ? trim($valeur) : $valeur;
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}
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}
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$this->formaterDateObservation($observationJson);
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$objetJSON->observations[] = $observationJson;
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}
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return $objetJSON;
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}
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private function formaterDateObservation(& $observation) {
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if (isset($observation->date) && strlen($observation->date) > 4) {
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$dateFormatee = preg_replace('/(\d{4})-(\d{2})-(\d{2})/', '$3/$2/$1', $observation->date);
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$observation->date = $dateFormatee;
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}
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}
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private function genererUrlFicheEflore(& $observation) {
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$url = null;
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if (strstr($observation['nom_referentiel'], 'bdtfx') !== false) {
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$url = 'http://www.tela-botanica.org/bdtfx-nn-'.$observation['nn'];
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}
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return $url;
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}
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private function concatenerLieuObservation(& $observation) {
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$lieux = array();
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if (!is_null($observation['lieudit'])) {
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$lieux[] = $observation['lieudit'];
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}
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if (!is_null($observation['milieu'])) {
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$lieux[] = $observation['milieu'];
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}
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unset($observation['lieudit']);
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unset($observation['milieu']);
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$observation['lieu'] = implode(', ', $lieux);
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}
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}
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?>
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