Initial commit

middleware/Stations.js

@@ -0,0 +1,34 @@
+import models from "../models";
+
+class Stations {
+  static getAll(req, callback) {
+    const { radius, lon, lat, start, limit } = req.query;
+    const query = {
+      location: {
+        $near: {
+          $maxDistance: Number(radius),
+          $geometry: {
+            type: "Point",
+            coordinates: [Number(lon), Number(lat)]
+          }
+        }
+      }
+    };
+
+    const skip = start || 0;
+    const _limit = limit && limit <= 50 ? limit : 20;
+
+    models.Stations.count(query)
+      .then(count => {
+        models.Stations.find(query)
+          .skip(parseInt(skip, 10))
+          .limit(parseInt(_limit, 10))
+          .then(items => {
+            callback(null, { total: count, items });
+          });
+      })
+      .catch(callback);
+  }
+}
+
+export default Stations;