fix(ux): check db access before opening

main/registerIpcMainActionListeners.ts

@@ -7,6 +7,7 @@ import {
   ipcMain,
 } from 'electron';
 import { autoUpdater } from 'electron-updater';
+import { constants } from 'fs';
 import fs from 'fs/promises';
 import path from 'path';
 import { SelectFileOptions, SelectFileReturn } from 'utils/types';
@@ -27,6 +28,16 @@ import {
 import { saveHtmlAsPdf } from './saveHtmlAsPdf';
 
 export default function registerIpcMainActionListeners(main: Main) {
+  ipcMain.handle(IPC_ACTIONS.CHECK_DB_ACCESS, async (_, filePath: string) => {
+    try {
+      await fs.access(filePath, constants.W_OK | constants.R_OK);
+    } catch (err) {
+      return false;
+    }
+
+    return true;
+  });
+
   ipcMain.handle(
     IPC_ACTIONS.GET_OPEN_FILEPATH,
     async (_, options: OpenDialogOptions) => {

src/App.vue

@@ -52,7 +52,8 @@ import './styles/index.css';
 import { connectToDatabase, dbErrorActionSymbols } from './utils/db';
 import { initializeInstance } from './utils/initialization';
 import * as injectionKeys from './utils/injectionKeys';
-import { checkForUpdates } from './utils/ipcCalls';
+import { showDialog } from './utils/interactive';
+import { checkDbAccess, checkForUpdates } from './utils/ipcCalls';
 import { updateConfigFiles } from './utils/misc';
 import { updatePrintTemplates } from './utils/printTemplates';
 import { Search } from './utils/search';
@@ -161,6 +162,18 @@ export default defineComponent({
         return;
       }
 
+      if (!(await checkDbAccess(filePath))) {
+        await showDialog({
+          title: this.t`Cannot open file`,
+          type: 'error',
+          detail: this
+            .t`Frappe Books does not have access to the selected file: ${filePath}`,
+        });
+
+        fyo.config.set('lastSelectedFilePath', null);
+        return;
+      }
+
       try {
         await this.showSetupWizardOrDesk(filePath);
       } catch (error) {

src/pages/DatabaseSelector.vue

@@ -37,10 +37,10 @@
 
         <div>
           <p class="font-medium">
-            {{ t`New File` }}
+            {{ t`New Company` }}
           </p>
           <p class="text-sm text-gray-600">
-            {{ t`Create a new file and store it in your computer.` }}
+            {{ t`Create a new company and store it on your computer.` }}
           </p>
         </div>
       </div>
@@ -56,10 +56,10 @@
         </div>
         <div>
           <p class="font-medium">
-            {{ t`Existing File` }}
+            {{ t`Existing Company` }}
           </p>
           <p class="text-sm text-gray-600">
-            {{ t`Load an existing .db file from your computer.` }}
+            {{ t`Load an existing company from your computer.` }}
           </p>
         </div>
       </div>

src/utils/ipcCalls.ts

@@ -51,6 +51,13 @@ export async function selectFile(
   )) as SelectFileReturn;
 }
 
+export async function checkDbAccess(filePath: string) {
+  return (await ipcRenderer.invoke(
+    IPC_ACTIONS.CHECK_DB_ACCESS,
+    filePath
+  )) as boolean;
+}
+
 export async function checkForUpdates() {
   await ipcRenderer.invoke(IPC_ACTIONS.CHECK_FOR_UPDATES);
   await setLanguageMap();

utils/messages.ts

@@ -19,6 +19,7 @@ export enum IPC_ACTIONS {
   SEND_ERROR = 'send-error',
   GET_LANGUAGE_MAP = 'get-language-map',
   CHECK_FOR_UPDATES = 'check-for-updates',
+  CHECK_DB_ACCESS = 'check-db-access',
   SELECT_FILE = 'select-file',
   GET_CREDS = 'get-creds',
   GET_DB_LIST = 'get-db-list',