fix(ux): prevent unable to acquire conn

src/App.vue

@@ -50,7 +50,11 @@ import SetupWizard from './pages/SetupWizard/SetupWizard.vue';
 import setupInstance from './setup/setupInstance';
 import { SetupWizardOptions } from './setup/types';
 import './styles/index.css';
-import { connectToDatabase, dbErrorActionSymbols } from './utils/db';
+import {
+  connectToDatabase,
+  dbErrorActionSymbols,
+  handleDatabaseConnectionError,
+} from './utils/db';
 import { initializeInstance } from './utils/initialization';
 import * as injectionKeys from './utils/injectionKeys';
 import { checkForUpdates } from './utils/ipcCalls';
@@ -191,20 +195,57 @@ export default defineComponent({
         return await this.handleConnectionFailed(error, actionSymbol);
       }
 
-      const setupComplete = await fyo.getValue(
-        ModelNameEnum.AccountingSettings,
-        'setupComplete'
-      );
+      const setupComplete = await this.getSetupComplete(filePath);
+      if (typeof setupComplete === 'object') {
+        return await this.handleConnectionFailed(
+          setupComplete.error,
+          setupComplete.actionSymbol
+        );
+      }
 
       if (!setupComplete) {
         this.activeScreen = Screen.SetupWizard;
         return;
       }
 
-      await initializeInstance(filePath, false, countryCode, fyo);
+      await this.initializeInstanceWithErrorHandling(filePath, countryCode);
       await updatePrintTemplates(fyo);
       await this.setDesk(filePath);
     },
+    async getSetupComplete(dbPath: string) {
+      try {
+        return (await fyo.getValue(
+          ModelNameEnum.AccountingSettings,
+          'setupComplete'
+        )) as boolean;
+      } catch (error) {
+        if (!(error instanceof Error)) {
+          throw error;
+        }
+
+        return {
+          error,
+          actionSymbol: await handleDatabaseConnectionError(error, dbPath),
+        };
+      }
+    },
+    async initializeInstanceWithErrorHandling(
+      dbPath: string,
+      countryCode: string
+    ) {
+      try {
+        return await initializeInstance(dbPath, false, countryCode, fyo);
+      } catch (error) {
+        if (!(error instanceof Error)) {
+          throw error;
+        }
+
+        this.handleConnectionFailed(
+          error,
+          await handleDatabaseConnectionError(error, dbPath)
+        );
+      }
+    },
     async handleConnectionFailed(error: Error, actionSymbol: symbol) {
       await this.showDbSelector();
 

src/utils/db.ts

@@ -7,6 +7,7 @@ export const dbErrorActionSymbols = {
 
 const dbErrors = {
   DirectoryDoesNotExist: 'directory does not exist',
+  UnableToAcquireConnection: 'Unable to acquire a connection',
 } as const;
 
 type Conn = {
@@ -27,26 +28,52 @@ export async function connectToDatabase(
       throw error;
     }
 
-    const actionSymbol = await handleDatabaseConnectionError(error, dbPath);
-
-    return { countryCode: '', error, actionSymbol };
+    return {
+      countryCode: '',
+      error,
+      actionSymbol: await handleDatabaseConnectionError(error, dbPath),
+    };
   }
 }
 
-async function handleDatabaseConnectionError(error: Error, dbPath: string) {
-  if (error.message?.includes(dbErrors.DirectoryDoesNotExist)) {
+export async function handleDatabaseConnectionError(
+  error: Error,
+  dbPath: string
+) {
+  const message = error.message;
+  if (typeof message !== 'string') {
+    throw error;
+  }
+
+  if (message.includes(dbErrors.DirectoryDoesNotExist)) {
     return await handleDirectoryDoesNotExist(dbPath);
   }
 
+  if (message.includes(dbErrors.UnableToAcquireConnection)) {
+    return await handleUnableToAcquireConnection(dbPath);
+  }
+
   throw error;
 }
 
+async function handleUnableToAcquireConnection(dbPath: string) {
+  return await showDbErrorDialog(
+    t`Could not connect to database file ${dbPath}, please select the file manually`
+  );
+}
+
 async function handleDirectoryDoesNotExist(dbPath: string) {
+  return await showDbErrorDialog(
+    t`Directory for database file ${dbPath} does not exist, please select the file manually`
+  );
+}
+
+async function showDbErrorDialog(detail: string) {
   const { showDialog } = await import('src/utils/interactive');
   return await showDialog({
     type: 'error',
     title: t`Cannot Open File`,
-    detail: t`Directory for file ${dbPath} does not exist`,
+    detail,
     buttons: [
       {
         label: t`Select File`,