Store complete GPX data

Rework the store to keep track of everything useful for building a full
GPX trace.

src/store/actions.js

@@ -112,18 +112,25 @@ export function setCurrentMapZoom({ commit, state }, { zoom }) {
 }
 
 export function setCurrentPosition(
-    { commit, state },
-    { accuracy = null, heading = null, latLng = null },
+    { commit, getters, state },
+    { coords, timestamp },
 ) {
-    const locationState = state.location;
-    if (
-        accuracy !== locationState.accuracy ||
-        heading !== locationState.heading ||
-        locationState.currentLatLng.some((item, index) => item !== latLng[index])
-    ) {
-        // Throttle mutations if nothing has changed
-        commit(SET_CURRENT_POSITION, { accuracy, heading, latLng });
-    }
+    const currentLocation = {
+        latitude: coords.latitude,
+        longitude: coords.longitude,
+        hdop: coords.accuracy ? coords.accuracy : null,
+        elevation: coords.elevation ? coords.elevation : null,
+        vdop: coords.altitudeAccuracy ? coords.altitudeAccuracy : null,
+        heading: (
+            (coords.heading !== null && !isNaN(coords.heading))
+            ? coords.heading
+            : null
+        ),
+        speed: coords.speed ? coords.speed : null,
+        timestamp,
+    };
+
+    commit(SET_CURRENT_POSITION, { currentLocation });
 }
 
 export function setLocationWatcherId({ commit }, { id }) {

src/store/getters.js

@@ -1,5 +1,13 @@
 import { REPORT_VOTES_THRESHOLD } from '@/constants';
 
+export function getLastLocation(state) {
+    const gpx = state.location.gpx;
+    if (gpx.length > 0) {
+        return gpx[gpx.length - 1];
+    }
+    return null;
+}
+
 export function notDismissedReports(state) {
     return state.reports.filter((item) => {
         if (item.attributes.downvotes === 0) {

src/store/mutations.js

@@ -86,11 +86,8 @@ export const initialState = {
     hasGoneThroughIntro: false,
     isLoading: false,
     location: {
-        accuracy: null,
-        currentLatLng: [null, null],
         error: null,
-        heading: null, // in degrees, clockwise wrt north
-        positionHistory: [],
+        gpx: [],
         watcherID: null,
     },
     map: {
@@ -161,11 +158,8 @@ export const mutations = {
     [types.SET_CURRENT_MAP_ZOOM](state, { zoom }) {
         Vue.set(state.map, 'zoom', zoom);
     },
-    [types.SET_CURRENT_POSITION](state, { accuracy, heading, latLng }) {
-        Vue.set(state.location, 'accuracy', accuracy);
-        Vue.set(state.location, 'currentLatLng', latLng);
-        Vue.set(state.location, 'heading', heading);
-        state.location.positionHistory.push(latLng);
+    [types.SET_CURRENT_POSITION](state, { currentLocation }) {
+        state.location.gpx.push(currentLocation);
     },
     [types.SET_LOCATION_ERROR](state, { error }) {
         Vue.set(state.location, 'error', error);

src/tools/index.js

@@ -38,6 +38,7 @@ export function mockLocation() {
             longitude: (Math.random() * (LNG_MAX - LNG_MIN)) + LNG_MIN,
             heading: null, // 20 * (Math.PI / 180),
         },
+        timestamp: new Date().getTime(),
     };
     console.log('New mock location: ', newLocation);
     return newLocation;

src/views/Map.vue

@@ -4,9 +4,9 @@
             <ReportCard></ReportCard>
             <v-flex xs12 fill-height v-if="mapCenter">
                 <Map
-                    :accuracy="accuracy"
+                    :accuracy="currentLocation.accuracy"
                     :center="mapCenter"
-                    :heading="heading"
+                    :heading="currentLocation.heading"
                     :markers="reportsMarkers"
                     :onMapCenterUpdate="onMapCenterUpdate"
                     :onMapZoomUpdate="onMapZoomUpdate"
@@ -61,10 +61,10 @@ function handlePositionError(error) {
 }
 
 function setPosition(position) {
-    const currentLatLng = store.state.location.currentLatLng;
-    if (currentLatLng) {
+    const lastLocation = store.getters.getLastLocation;
+    if (lastLocation !== null) {
         const distanceFromPreviousPoint = distance(
-            [currentLatLng[0], currentLatLng[1]],
+            [lastLocation.latitude, lastLocation.longitude],
             [position.coords.latitude, position.coords.longitude],
         );
         if (distanceFromPreviousPoint > constants.UPDATE_REPORTS_DISTANCE_THRESHOLD) {
@@ -73,15 +73,7 @@ function setPosition(position) {
     }
     store.dispatch(
         'setCurrentPosition',
-        {
-            accuracy: position.coords.accuracy ? position.coords.accuracy : null,
-            heading: (
-                (position.coords.heading !== null && !isNaN(position.coords.heading))
-                ? position.coords.heading
-                : null
-            ),
-            latLng: [position.coords.latitude, position.coords.longitude],
-        },
+        { coords: position.coords, timestamp: position.timestamp },
     );
 }
 
@@ -107,16 +99,16 @@ export default {
         ReportDialog,
     },
     computed: {
-        accuracy() {
-            return this.$store.state.location.accuracy;
-        },
         currentLatLng() {
-            const currentLatLng = this.$store.state.location.currentLatLng;
+            const currentLocation = this.$store.getters.getLastLocation;
             // Check that this is a correct position
-            if (currentLatLng.some(item => item === null)) {
+            if (currentLocation === null) {
                 return null;
             }
-            return currentLatLng;
+            return [currentLocation.latitude, currentLocation.longitude];
+        },
+        currentLocation() {
+            return this.$store.getters.getLastLocation;
         },
         error() {
             const errorCode = this.$store.state.location.error;
@@ -136,9 +128,6 @@ export default {
         hasCenterProvidedByRoute() {
             return this.$route.params.lat && this.$route.params.lng;
         },
-        heading() {
-            return this.$store.state.location.heading;
-        },
         mapCenter() {
             if (this.hasCenterProvidedByRoute) {
                 return [this.$route.params.lat, this.$route.params.lng];
@@ -153,7 +142,7 @@ export default {
             );
         },
         positionHistory() {
-            return this.$store.state.location.positionHistory;
+            return this.$store.state.location.gpx.map(item => [item.latitude, item.longitude]);
         },
         reportsMarkers() {
             return this.$store.getters.notDismissedReports.map(report => ({