fix: Introduce proper XbelParseError

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

Author: marcelklehr

_locales/en/messages.json

@@ -137,6 +137,9 @@
   "Error046": {
     "message": "E046: Invalid URL. `{0}` is not a valid URL."
   },
+  "Error047": {
+    "message": "E047: Failed to parse XBEL file. The XBEL data seems to be corrupted or incomplete. You can try removing the file on the server to let floccus recreate it. Make sure to take a backup first."
+  },
   "LabelWebdavurl": {
     "message": "WebDAV URL"
   },

src/errors/Error.ts

@@ -403,4 +403,12 @@ export class InvalidUrlError extends FloccusError {
     this.url = url
     Object.setPrototypeOf(this, InvalidUrlError.prototype)
   }
+}
+
+export class XbelParseError extends FloccusError {
+  constructor() {
+    super(`E047: Failed to parse XBEL file. The XBEL data seems to be corrupted or incomplete. You can try removing the file on the server to let floccus recreate it. Make sure to take a backup first.`)
+    this.code = 47
+    Object.setPrototypeOf(this, XbelParseError.prototype)
+  }
 }

src/lib/serializers/Xbel.ts

@@ -2,6 +2,7 @@ import Serializer from '../interfaces/Serializer'
 import { Bookmark, Folder, ItemLocation } from '../Tree'
 import { XMLParser, XMLBuilder } from 'fast-xml-parser'
 import Logger from '../Logger'
+import { XbelParseError } from '../../errors/Error'
 
 class XbelSerializer implements Serializer {
   serialize(folder: Folder<typeof ItemLocation.SERVER>) {
@@ -22,22 +23,19 @@ class XbelSerializer implements Serializer {
       xmlObj = parser.parse(xbel)
     } catch (e) {
       Logger.log('Parse Error: ' + e.message)
-      throw new Error('Parse Error: ' + e.message)
+      throw new XbelParseError()
     }
 
     if (!Array.isArray(xmlObj[0].xbel)) {
-      throw new Error(
-        'Parse Error: ' + xbel
-      )
+      throw new XbelParseError()
     }
 
     const rootFolder = new Folder({ id: 0, title: 'root', location: ItemLocation.SERVER })
     try {
       this._parseFolder(xmlObj[0].xbel, rootFolder)
     } catch (e) {
-      throw new Error(
-        'Parse Error: ' + e.message
-      )
+      Logger.log('Parse Error: ' + e.message)
+      throw new XbelParseError()
     }
     return rootFolder
   }