mirror of
https://github.com/kuhyx/todo-app.git
synced 2026-11-14 14:11:00 +01:00
Krzysztof kuhy Rudnicki
c37a9ef118
The desktop app is a browser now, so it cannot write files. This adds the other half: a loopback HTTP server that serves the web build and owns the two files the browser cannot touch -- `~/todo/BACKLOG.md`, which the user's tooling and the todo MCP server read, and a disk copy of the note log so a wiped Chrome profile is not a total-loss event for unsynced notes. Notable details: - Binds to 127.0.0.1 only. The endpoints overwrite files in the user's home with no authentication, so a routable bind would let anything on the network rewrite the backlog. - Serves explicit content types. CanvasKit refuses a `.wasm` labelled anything else and the app then renders nothing at all. - Mirroring to disk is debounced. The store persists on every keystroke, so mirroring eagerly meant an HTTP request plus a whole-log write per character; IndexedDB still gets every keystroke, only the durability copy waits. Separately, this fixes a pre-existing destructive bug found while testing: `settings_screen_test` did real file I/O and overwrote the user's canonical `~/todo/BACKLOG.md` with a single fake note on *every* `flutter test` run. It went unnoticed because the app rewrites the file whenever it launches. The export destination is now injectable and the test redirects it to a temp dir; verified that a full suite run leaves the real file byte-identical. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
44 lines
1.8 KiB
Dart
44 lines
1.8 KiB
Dart
import 'dart:io';
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import 'package:path_provider/path_provider.dart';
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import 'package:share_plus/share_plus.dart';
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/// Resolves the home directory the desktop export writes under.
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///
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/// Overridable **so the test suite never writes to the real `~/todo`**. This is
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/// not hypothetical: before this seam existed, running `flutter test` exported
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/// a fake note over the user's canonical `~/todo/BACKLOG.md` every time.
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String Function() resolveExportHome =
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() => Platform.environment['HOME'] ?? Directory.current.path;
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/// Writes the Markdown export somewhere the user can get at it, and returns a
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/// human-readable description of where it went.
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///
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/// On mobile this opens the system share sheet; on a `dart:io` desktop host it
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/// writes the canonical `~/todo/BACKLOG.md`.
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Future<String> exportBacklog(String markdown, int noteCount) async {
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// coverage:ignore-start
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// Mobile-only share path: Platform.isAndroid/isIOS are always false on the
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// Linux test host, so these lines are structurally unreachable in CI and
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// excluded from the coverage denominator. Verified on-device.
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if (Platform.isAndroid || Platform.isIOS) {
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final dir = await getTemporaryDirectory();
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final file = File('${dir.path}/todo-backlog.md');
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await file.writeAsString(markdown);
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await SharePlus.instance.share(
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ShareParams(
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files: [XFile(file.path, mimeType: 'text/markdown')],
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subject: 'todo backlog ($noteCount notes)',
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),
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);
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return 'Shared $noteCount notes';
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}
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// coverage:ignore-end
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final home = resolveExportHome();
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final dir = Directory('$home/todo');
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if (!dir.existsSync()) dir.createSync(recursive: true);
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final file = File('${dir.path}/BACKLOG.md');
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await file.writeAsString(markdown);
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return 'Exported $noteCount notes to ${file.path}';
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}
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