From dfebe4fde8da3fdae568b1b5e4f07686c6c4a7f3 Mon Sep 17 00:00:00 2001
From: mikems66 <>
Date: Wed, 10 Mar 2021 15:12:32 +0100
Subject: Moved geofence feature creation to mapUtil.

---
 modern/src/map/GeofenceMap.js | 19 ++-----------------
 1 file changed, 2 insertions(+), 17 deletions(-)

(limited to 'modern/src/map/GeofenceMap.js')

diff --git a/modern/src/map/GeofenceMap.js b/modern/src/map/GeofenceMap.js
index 31da290..c98a8c1 100644
--- a/modern/src/map/GeofenceMap.js
+++ b/modern/src/map/GeofenceMap.js
@@ -1,18 +1,8 @@
-import wellknown from 'wellknown';
 import { useEffect, useState } from 'react';
 
 import { map } from './Map';
 import { useEffectAsync } from '../reactHelper';
-import { reverseCoordinates } from './mapUtil';
-import circle from '@turf/circle';
-
-
-const circleToPolygon = (item) => {
-  let coordinates = item.area.replace(/CIRCLE|\(|\)|,/g, " ").trim().split(/ +/);
-  var options = { steps: 32, units: 'meters' };
-  let polygon = circle([Number(coordinates[1]), Number(coordinates[0])], Number(coordinates[2]), options);
-  return [item.name, polygon.geometry];
-}
+import { geofenceToFeature } from './mapUtil';
 
 const GeofenceMap = () => {
   const id = 'geofences';
@@ -81,14 +71,9 @@ const GeofenceMap = () => {
   }, []);
 
   useEffect(() => {
-    let circleFence = geofences.filter((item => item.area.indexOf('CIRCLE') > -1)).map(circleToPolygon);
     map.getSource(id).setData({
       type: 'FeatureCollection',
-      features: geofences.map(item => [item.name, reverseCoordinates(wellknown(item.area))]).filter(([, geometry]) => !!geometry).concat(circleFence).map(([name, geometry]) => ({
-        type: 'Feature',
-        geometry: geometry,
-        properties: { name },
-      })),
+      features: geofences.map(geofenceToFeature)
     });
   }, [geofences]);
 
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