Subversion Repositories eFlore/Applications.moissonnage

<?php


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

?>