feat: add ads-b exchange source

src/lib/get-data.mjs

@@ -1,8 +1,7 @@
 import fetch from './fetch.mjs';
 
-const positionSourceMap = ['ADS-B', 'ASTERIX', 'MLAT'];
-
 export async function getOpenskyData() {
+  const positionSourceMap = ['ADS-B', 'ASTERIX', 'MLAT'];
   const res = await fetch.get(`https://opensky-network.org/api/states/all`);
   return res.data.states.map(rec => ({
     transponder: `${rec[0]}`.toLowerCase(),
@@ -23,3 +22,34 @@ export async function getOpenskyData() {
     position_source: positionSourceMap[rec[16]],
   }));
 }
+
+export async function getAdbsExchangeData({ lat, lon, radius }) {
+  const positionSourceMap = ['Unknown', 'Mode-S', 'ADS-B', 'ADS-B', 'ADS-B', 'ADS-B'];
+  const res = await fetch.get(
+    `http://public-api.adsbexchange.com/VirtualRadar/AircraftList.json?lat=${lat}&lng=${lon}&fDstL=0&fDstU=${radius}`
+  );
+
+  return res.data.acList.map(rec => ({
+    transponder: `${rec.Icao}`.toLowerCase(),
+    callsign: `${rec.Call}`.trim(),
+    origin_country: rec.Cou,
+    time_position: new Date(rec.PosTime),
+    last_contact: new Date(rec.PosTime),
+    location: rec.Lat && rec.Long ? `${rec.Lat},${rec.Long}` : null,
+    lat: rec.Lat,
+    lon: rec.Long,
+    baro_altitude: rec.Alt,
+    geo_altitude: rec.Galt,
+    on_ground: rec.Gnd,
+    velocity: rec.Spd,
+    vertical_rate: rec.Vsi,
+    squawk: rec.Sqk,
+    spi: false,
+    position_source: positionSourceMap[rec.Trt],
+    operator: rec.Op,
+    aircraft: rec.Mdl,
+    aircraft_manufacturer: rec.Man,
+    from: rec.From,
+    to: rec.To,
+  }));
+}