Creating a mechanism to store settings both in the database and in redux.

src/components/map/GpxRecord.tsx

@@ -25,10 +25,9 @@ import {
 } from '../../lib/background-geolocation';
 import { appendTrkpt, deleteCurrent, saveCurrent } from '../../db/gpx';
 import { enterAnimation, leaveAnimation } from '../../lib/animation';
-import { useDispatch } from 'react-redux';
+import { useDispatch, useSelector } from 'react-redux';
 import { mapActions } from '../../store/map';
-
-const MIN_TIME_BETWEEN_LOCATIONS = 15 * 1000;
+import { SettingsState } from '../../store/settings';
 
 declare global {
   var $lastValidLocationTime: number;
@@ -41,6 +40,10 @@ const GpxRecord: React.FC<{}> = () => {
 
   const [watcher_id, setWatcher_id] = useState();
 
+  const geolocationsSettingsState = useSelector(
+    (state: { settings: SettingsState }) => state.settings.geolocation
+  );
+
   const gpxes = useFind({
     selector: {
       type: 'gpx',
@@ -72,7 +75,7 @@ const GpxRecord: React.FC<{}> = () => {
     );
     if (
       location.time - globalThis.$lastValidLocationTime >
-      MIN_TIME_BETWEEN_LOCATIONS
+      geolocationsSettingsState.minTimeInterval
     ) {
       globalThis.$lastValidLocationTime = location.time;
       appendTrkpt(db, {
@@ -98,7 +101,10 @@ const GpxRecord: React.FC<{}> = () => {
 
   const startRecording = () => {
     globalThis.$lastValidLocationTime = 0;
-    startBackgroundGeolocation(newLocationHandler).then((result) => {
+    startBackgroundGeolocation(
+      newLocationHandler,
+      geolocationsSettingsState.minDistance
+    ).then((result) => {
       setWatcher_id(result);
     });
     setIsRecording(true);

src/components/map/Settings.tsx

@@ -0,0 +1,177 @@
+import React, { Fragment, useEffect, useRef, useState } from 'react';
+
+import { useDB } from 'react-pouchdb';
+
+import {
+  IonButton,
+  IonButtons,
+  IonContent,
+  IonIcon,
+  IonInput,
+  IonItem,
+  IonLabel,
+  IonList,
+  IonListHeader,
+  IonModal,
+  IonTitle,
+  IonToolbar,
+} from '@ionic/react';
+import { options, text } from 'ionicons/icons';
+import { enterAnimation, leaveAnimation } from '../../lib/animation';
+import { useDispatch, useSelector } from 'react-redux';
+import { settingsActions, SettingsState } from '../../store/settings';
+import uri from '../../lib/ids';
+import _ from 'lodash';
+
+const Settings: React.FC<{}> = () => {
+  const dispatch = useDispatch();
+  const db = useDB();
+
+  useEffect(() => {
+    const initFromDb = async () => {
+      try {
+        const settingsFromDb = await db.get(uri('settings', {}));
+        console.log(
+          `settingsFromDb: ${JSON.stringify(settingsFromDb.settings)}`
+        );
+        dispatch(settingsActions.saveSettings(settingsFromDb.settings));
+      } catch {}
+    };
+    initFromDb();
+  }, []);
+
+  const settingsState = useSelector(
+    (state: { settings: SettingsState }) => state.settings
+  );
+
+  useEffect(() => {
+    if (!settingsState.default) {
+      const settingsFromRedux = async () => {
+        const id = uri('settings', {});
+        var settingsFromDb;
+        try {
+          settingsFromDb = await db.get(id);
+        } catch (error) {
+          console.log(
+            `Error getting settings from db: ${JSON.stringify(error)}`
+          );
+          settingsFromDb = { _id: id, settings: {} };
+        }
+        if (!_.isEqual(settingsState, settingsFromDb.settings)) {
+          console.log(`settingsFromRedux: ${JSON.stringify(settingsState)}`);
+          settingsFromDb.settings = settingsState;
+          db.put(settingsFromDb);
+        }
+      };
+      settingsFromRedux();
+    }
+  }, [settingsState]);
+
+  const pseudo = useRef<HTMLIonInputElement>(null);
+  const minTimeInterval = useRef<HTMLIonInputElement>(null);
+  const minDistance = useRef<HTMLIonInputElement>(null);
+
+  const modal = useRef<HTMLIonModalElement>(null);
+
+  const dismiss = () => {
+    modal.current?.dismiss();
+  };
+
+  const save = () => {
+    dispatch(
+      settingsActions.saveSettings({
+        user: {
+          pseudo: pseudo.current?.value,
+        },
+        geolocation: {
+          minTimeInterval: minTimeInterval.current?.value,
+          minDistance: minDistance.current?.value,
+        },
+      })
+    );
+    dismiss();
+  };
+
+  return (
+    <Fragment>
+      <IonButton id='open-SettingsDialog'>
+        <IonIcon slot='icon-only' icon={options} />
+      </IonButton>
+      <IonModal
+        ref={modal}
+        trigger='open-SettingsDialog'
+        enterAnimation={enterAnimation}
+        leaveAnimation={leaveAnimation}
+      >
+        <IonToolbar>
+          <IonTitle>Settings</IonTitle>
+          <IonButtons slot='end'>
+            <IonButton onClick={() => dismiss()}>Close</IonButton>
+          </IonButtons>
+        </IonToolbar>
+        <IonContent>
+          <IonList lines='full' class='ion-no-margin'>
+            <IonListHeader lines='full'>
+              <IonLabel>User</IonLabel>
+            </IonListHeader>
+            <IonItem>
+              <IonLabel>Pseudo: </IonLabel>
+              <IonInput
+                ref={pseudo}
+                value={settingsState.user.pseudo}
+                autocomplete='nickname'
+              ></IonInput>
+            </IonItem>
+          </IonList>
+          <IonList lines='full' class='ion-no-margin'>
+            <IonListHeader lines='full'>
+              <IonLabel>Geolocation</IonLabel>
+            </IonListHeader>
+            <IonItem>
+              <IonLabel>Minimal time interval (ms): </IonLabel>
+              <IonInput
+                value={settingsState.geolocation.minTimeInterval}
+                ref={minTimeInterval}
+                inputMode='numeric'
+                type='number'
+              ></IonInput>
+            </IonItem>
+            <IonItem>
+              <IonLabel>Minimal distance (m): </IonLabel>
+              <IonInput
+                value={settingsState.geolocation.minDistance}
+                ref={minDistance}
+                inputMode='numeric'
+                type='number'
+              ></IonInput>
+            </IonItem>
+          </IonList>
+          <IonItem>
+            <IonToolbar class='secondary'>
+              <IonButtons slot='secondary'>
+                <IonButton
+                  shape='round'
+                  fill='solid'
+                  color='primary'
+                  onClick={() => save()}
+                >
+                  Save
+                </IonButton>
+                <IonButton
+                  shape='round'
+                  fill='outline'
+                  color='primary'
+                  onClick={() => dismiss()}
+                >
+                  Cancel
+                </IonButton>
+              </IonButtons>
+            </IonToolbar>
+          </IonItem>
+        </IonContent>
+      </IonModal>
+    </Fragment>
+  );
+};
+
+export default Settings;

src/components/map/map.tsx

@@ -25,6 +25,7 @@ import { initDb } from '../../db';
 import TileServerChooserButton from './TileServerChooserButton';
 import TileServerChooserDialog from './TileServerChooserDialog';
 import TrackBrowser from './TracksBrowser';
+import Settings from './Settings';
 
 const Map: react.FC<{}> = (props: {}) => {
   const dispatch = useDispatch();
@@ -68,6 +69,7 @@ const Map: react.FC<{}> = (props: {}) => {
             <TrackBrowser/>
             <GpxRecord />
             <TileServerChooserButton />
+            <Settings />
           </IonButtons>
         </IonToolbar>
       </IonHeader>

src/db/index.ts

@@ -1,17 +1,22 @@
-import _ from 'lodash';
+import _, { constant } from 'lodash';
+import uri from '../lib/ids';
 
-const DBDEFINITION = '--db-definition--';
+const dbDefinitionId = uri('dbdef', {});
 
-const dbDefinition = {
-  _id: DBDEFINITION,
-  type: DBDEFINITION,
-  version: '0.000001',
+const currentDbDefinition = {
+  _id: dbDefinitionId,
+  type: dbDefinitionId,
+  def: { version: '0.000001' },
 };
 
 export const initDb = async (db: any, setDbReady: any) => {
+  var previousDbDefinition = {
+    _id: dbDefinitionId,
+    type: dbDefinitionId,
+    def: { version: '0' },
+  };
   try {
-    await db.get(DBDEFINITION);
-    // TODO: support migrations
+    previousDbDefinition = await db.get(dbDefinitionId);
   } catch (error: any) {
     if (error.status !== 404) {
       console.log(
@@ -21,6 +26,11 @@ export const initDb = async (db: any, setDbReady: any) => {
     }
   }
 
+  if (previousDbDefinition.def.version < currentDbDefinition.def.version) {
+    previousDbDefinition.def = currentDbDefinition.def;
+    db.put(previousDbDefinition);
+    // TODO: support migrations
+  }
   await await db.compact();
   await db.viewCleanup();
 

src/lib/background-geolocation.ts

@@ -34,7 +34,11 @@ const backgroundGeolocationConfig = {
   distanceFilter: 10,
 };
 
-export const startBackgroundGeolocation = async (newLocationHandler: any) => {
+export const startBackgroundGeolocation = async (
+  newLocationHandler: any,
+  distanceFilter: number
+) => {
+  backgroundGeolocationConfig.distanceFilter = distanceFilter;
   const locationHandler = (location: any, error: any) => {
     console.log('com.dyomedea.dyomedea  LOG', ' - Callback');
     if (error) {

src/lib/ids.test.ts

@@ -103,3 +103,14 @@ describe('Checking trkpt ids', () => {
     });
   });
 });
+
+describe('Checking settings id', () => {
+  test(', vice', () => {
+    const rte = uri('settings', {});
+    expect(rte).toBe('settings');
+  });
+  test(', and versa', () => {
+    const rte = uri('settings', 'settings');
+    expect(rte).toMatchObject({});
+  });
+});

src/lib/ids.ts

@@ -1,7 +1,8 @@
 import { route } from 'docuri';
 
 const routes = {
-  config: route('config'),
+  dbdef: route('dbdef'),
+  settings: route('settings'),
   gpx: route('gpx/:gpx'),
   trk: route('gpx/:gpx/trk/:trk'),
   trkseg: route('gpx/:gpx/trk/:trk/:trkseg'),

src/store/index.ts

@@ -1,9 +1,10 @@
 import { configureStore } from '@reduxjs/toolkit';
 
 import mapReducer from './map';
+import settingsReducer from './settings';
 
 const store = configureStore({
-  reducer: { map: mapReducer },
+  reducer: { map: mapReducer, settings: settingsReducer },
 });
 
 export default store;

src/store/settings.ts

@@ -0,0 +1,37 @@
+import { createSlice } from '@reduxjs/toolkit';
+
+export interface SettingsState {
+  default?: boolean;
+  user: {
+    pseudo: string;
+  };
+  geolocation: {
+    minTimeInterval: number;
+    minDistance: number;
+  };
+}
+
+export const initialSettingsState: SettingsState = {
+  default: true,
+  user: {
+    pseudo: 'user',
+  },
+  geolocation: {
+    minTimeInterval: 15000,
+    minDistance: 10,
+  },
+};
+
+const settingsSlice = createSlice({
+  name: 'settings',
+  initialState: initialSettingsState,
+  reducers: {
+    saveSettings: (state, action) => {
+      return action.payload;
+    },
+  },
+});
+
+export const settingsActions = settingsSlice.actions;
+
+export default settingsSlice.reducer;

src/theme/map.css

@@ -64,6 +64,11 @@ ion-modal ion-toolbar {
   --color: white;
 }
 
+ion-modal ion-toolbar.secondary {
+  --background: inherit;
+  --color: inherit;
+}
+
 ion-modal ion-content {
   background-color: rgba(255,255,255,.7)
   ;