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delphine |
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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->features = array();
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if (count($stations) == 0) {
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return $objetJSON;
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}
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foreach ($stations as $station) {
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$stationJSON = NULL;
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// construction d'un objet feature adapte a la structure des donnees spatiales
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if (isset($station['sud'])) {
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$stationJSON = $this->formaterMaille($station);
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} else {
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$stationJSON = $this->formaterPoint($station);
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}
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if (!is_null($stationJSON)) {
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$objetJSON->features[] = $stationJSON;
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}
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}
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return $objetJSON;
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}
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private function formaterPoint($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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$json->geometry->type = "Point";
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if (is_null($station['latitude']) || is_null($station['longitude'])) {
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$json->properties->typeSite = 'COMMUNE';
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$json->geometry->coordinates = array($station['lat_commune'], $station['lng_commune']);
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} else {
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$json->properties->typeSite = 'STATION';
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$json->geometry->coordinates = array($station['latitude'], $station['longitude']);
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}
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$nom = $json->properties->typeSite == 'COMMUNE' ? $station['nom_commune'] : $station['station'];
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$nomDefaut = 'station sans nom';
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if ($json->properties->typeSite == 'COMMUNE') {
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$ce = substr($station['ce_zone_geo'],-5);
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$codeDept = ((int)substr($ce, 0, 2) > 95 ? substr($ce, 0, 3) : substr($ce, 0, 2));
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$nom = $station['zone_geo'] . " ($codeDept)";
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} else {
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if (strlen(trim($station['zone_geo']))==0) {
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$nom = $nomDefaut;
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} else {
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$nom = $station['zone_geo'];
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if (strlen(trim($station['ce_zone_geo']))!=0) {
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$ce = substr($station['ce_zone_geo'],-5);
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$nom .= ' ('.((int)substr($ce,0,2)>95 ? substr($ce,0,3) : substr($ce,0,2)).')';
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}
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}
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}
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$json->properties->nom = $nom;
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return $json;
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}
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private function formaterMaille($maille) {
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if ($maille['points'] == 0) {
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return null;
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}
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$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->typeSite = $maille['type_site'];
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$json->properties->nombrePoints = $maille['points'];
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return $json;
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}
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public function formaterObservations($observations, $nomSite) {
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$objetJSON = new StdClass();
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$objetJSON->site = $nomSite;
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$objetJSON->total = count($observations);
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$objetJSON->observations = array();
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foreach ($observations as $observation) {
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$observationJson = new stdClass();
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foreach ($observation as $colonne => $valeur) {
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$observationJson->$colonne = $valeur;
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}
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$objetJSON->observations[] = $observationJson;
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}
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return $objetJSON;
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}
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}
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?>
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