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Always check if a Folder exists before accessing it

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This kinds of bugs will be less frequent once we have non null by
default enabled in Flutter.

Fixes #164
This commit is contained in:
Vishesh Handa
2020-07-31 21:16:36 +02:00
parent 8e8c11c5ef
commit 8ab7ec22c4
4 changed files with 38 additions and 15 deletions
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16
lib/utils.dart
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@ -1,6 +1,7 @@
import 'package:flutter/material.dart';
import 'package:package_info/package_info.dart';
import 'package:provider/provider.dart';
import 'package:gitjournal/core/notes_folder_fs.dart';
import 'package:gitjournal/screens/note_editor.dart';
@ -50,14 +51,16 @@ NotesFolderFS getFolderForEditor(
EditorType editorType,
) {
var spec = Settings.instance.defaultNewNoteFolderSpec;
var journalSpec = Settings.instance.journalEditordefaultNewNoteFolderSpec;
switch (editorType) {
case EditorType.Journal:
return rootFolder.getFolderWithSpec(journalSpec);
spec = Settings.instance.journalEditordefaultNewNoteFolderSpec;
break;
default:
return rootFolder.getFolderWithSpec(spec);
break;
}
return rootFolder.getFolderWithSpec(spec) ?? rootFolder;
}
Future<void> showAlertDialog(
@ -68,3 +71,10 @@ Future<void> showAlertDialog(
);
return showDialog(context: context, builder: (context) => dialog);
}
bool folderWithSpecExists(BuildContext context, String spec) {
var stateContainer = Provider.of<StateContainer>(context, listen: false);
var rootFolder = stateContainer.appState.notesFolder;
return rootFolder.getFolderWithSpec(spec) != null;
}