Handle release unavailable

public/electron.js

@@ -72,6 +72,12 @@ function setWindowVisibility(show) {
 }
 
 const unmountAllDrives = () => {
+  // Reset mount states
+  for (const provider of Constants.PROVIDER_LIST) {
+    clearManualMountDetection(provider);
+    expectedUnmount[provider] = true;
+  }
+
   // Unmount all items
   for (const i in mountedLocations) {
     const data = mountedData[mountedLocations[i]];
@@ -898,16 +904,21 @@ ipcMain.on(Constants.IPC_Show_Window + '_sync', event => {
   event.returnValue = true;
 });
 
+ipcMain.on(Constants.IPC_Unmount_All_Drives, (event, data) => {
+  unmountAllDrives();
+  standardIPCReply(event, Constants.IPC_Unmount_All_Drives_Reply);
+});
+
 ipcMain.on(Constants.IPC_Unmount_Drive, (event, data) => {
   clearManualMountDetection(data.Provider);
 
   expectedUnmount[data.Provider] = true;
   helpers
     .stopMountProcess(data.Version, data.Provider)
-    .then((result)=> {
+    .then(result => {
       console.log(result);
     })
-    .catch((e) => {
+    .catch(e => {
       console.log(e);
     });
 });

src/constants.js

@@ -114,5 +114,8 @@ exports.IPC_Set_Config_Values_Reply = 'set_config_values_reply';
 
 exports.IPC_Shutdown = 'shutdown';
 
+exports.IPC_Unmount_All_Drives = 'unmount_all';
+exports.IPC_Unmount_All_Drives_Reply = 'unmount_all_reply';
+
 exports.IPC_Unmount_Drive = 'unmount_drive';
 exports.IPC_Unmount_Drive_Reply = 'unmount_drive_reply';

src/redux/actions/mount_actions.js

@@ -1,4 +1,6 @@
+import * as Constants from '../../constants';
 import {createAction} from 'redux-starter-kit';
+import {getIPCRenderer} from '../../utils';
 
 export const displayConfiguration = createAction('mounts/displayConfiguration');
 
@@ -9,6 +11,7 @@ export const resetMountsState = () => {
     payload: null,
   }
 };
+
 export const SET_ALLOW_MOUNT = 'mounts/setAllowMount';
 export const setAllowMount = (provider, allow) => {
   return {
@@ -55,3 +58,15 @@ export const setProviderState = (provider, state) => {
     }
   }
 };
+
+export const unmountAll = completedCallback => {
+  return (dispatch, getState) => {
+    const ipcRenderer = getIPCRenderer();
+    const unmountedCallback = () => {
+      dispatch(resetMountsState());
+      completedCallback();
+    };
+    ipcRenderer.once(Constants.IPC_Unmount_All_Drives_Reply, unmountedCallback);
+    ipcRenderer.send(Constants.IPC_Unmount_All_Drives);
+  }
+};

src/redux/actions/release_version_actions.js

@@ -3,9 +3,11 @@ import * as Constants from '../../constants';
 import {createAction} from 'redux-starter-kit';
 import {notifyError} from './error_actions';
 import {
+  saveState,
   setApplicationReady,
   showWindow
 } from './common_actions';
+import {unmountAll} from './mount_actions';
 
 export const CLEAR_UI_UPGRADE = 'relver/clearUIUpgrade';
 export const clearUIUpgrade = () => {
@@ -47,21 +49,36 @@ export const loadReleases = () => {
   return (dispatch, getState) => {
     const dispatchActions = (locationsLookup, versionLookup)=> {
       const state = getState().relver;
-      const latestVersion = versionLookup[Constants.RELEASE_TYPES[state.Release]].length - 1;
+      let latestVersion = versionLookup[Constants.RELEASE_TYPES[state.Release]].length - 1;
+      let release = state.Release;
       let version = state.Version;
-      if ((version === -1) || !versionLookup[Constants.RELEASE_TYPES[state.Release]][version]) {
+      if (versionLookup[Constants.RELEASE_TYPES[release]][0] === 'unavailable') {
+        release = state.ReleaseDefault;
+        latestVersion = version = 0;
+      } else if ((version === -1) || !versionLookup[Constants.RELEASE_TYPES[state.Release]][version]) {
         version = latestVersion;
       }
 
       dispatch(setReleaseData(locationsLookup, versionLookup));
-      if (version !== state.Version) {
-        dispatch(setActiveRelease(state.Release, version));
-      }
+
+      const dispatchActions = () => {
         dispatch(setReleaseUpgradeAvailable((version !== latestVersion)));
         dispatch(setApplicationReady(true));
         dispatch(detectUIUpgrade());
       };
 
+      if ((version !== state.Version) || (release !== state.Release)) {
+        dispatch(unmountAll(() => {
+          dispatch(setActiveRelease(release, version));
+          dispatchActions();
+          dispatch(showWindow());
+          dispatch(saveState());
+        }));
+      } else {
+        dispatchActions();
+      }
+    };
+
     axios
       .get(Constants.RELEASES_URL)
       .then(response => {

src/redux/reducers/release_version_reducer.js

@@ -17,6 +17,7 @@ export const releaseVersionReducer = createReducer({
   InstalledVersion: 'none',
   LocationsLookup: {},
   Release: 0,
+  ReleaseDefault: 0,
   ReleaseUpgradeAvailable: false,
   UpgradeAvailable: false,
   UpgradeData: null,