Initial commit.

server/main.js

@@ -0,0 +1,66 @@
+
+function update_route(route_id) {
+  var path = [];
+  var route = Routes.findOne({_id: route_id});
+  var len = 0;
+  if (route) {
+    var point = Points.findOne({_id: route.first});
+    var next = null;
+    var heading = 0;
+    while (point !== undefined) {
+      path.push(point.latlng);
+
+      next = Points.findOne({_id: point.next});
+
+      var distance = 0;
+      // Uses previous heading if no next point
+      if (next) {
+        heading = computeFinalBearing(point.latlng, next.latlng);
+        distance = computeDistance(point.latlng, next.latlng);
+      }
+
+      len += distance;
+      Points.update({_id: point._id}, {$set: {
+        heading: heading,
+        distance: distance
+      }});
+
+      point = next;
+    }
+  }
+
+  Routes.update({_id: route_id}, {$set: {
+    path: createEncodedPolyline(path),
+    route_length: len
+  }});
+}
+
+
+Meteor.methods({
+  insert_point: function (latlng, route_id) {
+    var route = Routes.findOne({_id: route_id});
+    if (!route) return;
+
+    var point_id = Points.insert({latlng: latlng, route: route_id, distance: 0, next: null});
+
+    // Add new point after last point.
+    Points.update({route: route_id, next: null, _id: {$ne: point_id}}, {$set: {next: point_id}});
+
+    // If route didn't have any point, update first point,
+    Routes.update({_id: route_id, first: null}, {$set: {first: point_id}});
+
+    update_route(route_id);
+  },
+  remove_point: function (point_id) {
+    var point = Points.findOne({_id: point_id});
+    // Update previous point to point to point after removed one
+    Points.update({next: point._id}, {$set: {next: point.next}});
+
+    // Point was first of route, update routes first to removed points next.
+    Routes.update({first: point._id}, {$set: {first: point.next}});
+
+    Points.remove({_id: point_id});
+
+    update_route(point.route);
+  }
+});