initial commit

server/BratislavaOpendata.js

@@ -0,0 +1,46 @@
+export const OPENDATA_URL = 'http://opendata.bratislava.sk/api/mhd';
+
+export default class BratislavaOpendata {
+
+    constructor(apiKey) {
+        this.apiKey = apiKey;
+    }
+
+    async fetchOneStop(stationId) {
+        return this.request('/stationstop/' + stationId);
+    }
+
+    async fetchAllStops() {
+        return this.request('/stationstop');
+    }
+
+    async fetchAllVehicles() {
+        return this.request('/vehicle');
+    }
+
+    async request(uri) {
+        let url = OPENDATA_URL + '/' + uri;
+        let resp = await fetch(url, {
+            cache: 'no-cache',
+            headers: {
+                'User-Agent': 'node_mhdmap/1.0',
+                'Key': this.apiKey,
+            },
+        });
+
+        if (!resp.ok) {
+            console.warn('Error while fetching', url, 'status:', resp.status, resp.statusText);
+            return null;
+        }
+
+        try {
+            resp = await resp.json();
+            return resp;
+        } catch (e) {
+            console.warn('Incorrect response for fetching', url, e);
+            return null;
+        }
+    }
+
+
+}