Better publication and count of active fires in current map

imports/api/FireAlerts/server/publications.js

@@ -1,8 +1,42 @@
 /* eslint-disable prefer-arrow-callback */
+/* eslint-disable import/no-absolute-path */
 
 import { Meteor } from 'meteor/meteor';
+import { check } from 'meteor/check';
+import { NumberBetween } from '/imports/modules/server/other-checks';
+import moment from 'moment';
 import FireAlerts from '../FireAlerts';
 
-Meteor.publish('fireAlerts', function fireAlerts() {
-  return FireAlerts.find();
+Meteor.publish('fireAlerts', function fireAlerts(northEastLng, northEastLat, southWestLng, southWestLat) {
+  // latitude -90 and 90 and the longitude between -180 and 180
+  check(northEastLng, NumberBetween(-180, 180));
+  check(southWestLat, NumberBetween(-90, 90));
+  check(southWestLng, NumberBetween(-180, 180));
+  check(northEastLat, NumberBetween(-90, 90));
+
+  // https://stackoverflow.com/questions/29327222/mongodb-find-created-results-by-date-today/29327353
+  const start = new Date();
+  start.setHours(0, 0, 0, 0);
+  const end = new Date();
+  end.setHours(23, 59, 59, 999);
+
+  const fires = FireAlerts.find({
+    ourid: {
+      $geoWithin: {
+        $box: [
+          [southWestLng, southWestLat],
+          [northEastLng, northEastLat]
+        ]
+      }
+    },
+    createdAt: { $gte: start, $lt: end }
+  }, {
+    fields: {
+      lat: 1,
+      lon: 1,
+      scan: 1
+    }
+  });
+  // console.log(`Fires total: ${fires.count()}`);
+  return fires;
 });