fix: Throw nice error for when gdrive search fails

fixes #1845

Signed-off-by: Marcel Klehr <[email protected]>

Author: marcelklehr

_locales/en/messages.json

@@ -116,6 +116,9 @@
   "Error039": {
     "message": "E039: Failed to update the following bookmark on the server: {0}"
   },
+  "Error040": {
+    "message": "E040: Could not search for your file name in your Google Drive"
+  },
   "LabelWebdavurl": {
     "message": "WebDAV URL"
   },

src/errors/Error.ts

@@ -333,4 +333,12 @@ export class UpdateBookmarkError extends FloccusError {
     this.bookmark = bookmark
     Object.setPrototypeOf(this, UpdateBookmarkError.prototype)
   }
+}
+
+export class GoogleDriveSearchError extends FloccusError {
+  constructor() {
+    super('E040: Could not search for your file name in your Google Drive')
+    this.code = 40
+    Object.setPrototypeOf(this, GoogleDriveSearchError.prototype)
+  }
 }

src/lib/adapters/GoogleDrive.ts

@@ -8,7 +8,7 @@ import {
   DecryptionError, FileUnreadableError,
   GoogleDriveAuthenticationError, HttpError, CancelledSyncError, MissingPermissionsError,
   NetworkError,
-  OAuthTokenError, ResourceLockedError
+  OAuthTokenError, ResourceLockedError, GoogleDriveSearchError
 } from '../../errors/Error'
 import { OAuth2Client } from '@byteowls/capacitor-oauth2'
 import { Capacitor, CapacitorHttp as Http } from '@capacitor/core'
@@ -216,6 +216,10 @@ export default class GoogleDriveAdapter extends CachingAdapter {
     this.accessToken = await this.getAccessToken(this.server.refreshToken)
 
     const fileList = await this.listFiles(`name = '${this.server.bookmark_file}'`, 100)
+    if (!fileList.files) {
+      throw new GoogleDriveSearchError()
+    }
+
     const file = fileList.files.filter(file => !file.trashed)[0]
 
     const filesToDelete = fileList.files.filter(file => !file.trashed).slice(1)