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feat(discussions): questions on published studysets, answered by learners

Browse source 
A learner asks about a published studyset, a topic in it, or one card,
note or step of a release, and others answer, as on Stack Exchange
(ADR 0013): questions and answers in the app's editor without images,
sounds or videos, comments of up to 600 characters under the question
and each answer. There are no votes: the asker accepts an answer, which
comes first, then the oldest; the author's posts are marked. The
instance reads from git's file list which topics a question's target
sits in, so a topic lists what is asked within it and below it.

Posts live in two server-only tables, written through endpoints, so the
synced tables stay as they are and v0.17.0 keeps syncing. Everyone
signed in reads; writing needs an identity and a public profile; the
studyset's author hides posts and blocks people with feedback's blocks;
a withdrawn studyset takes no new questions; anyone writes at most 30
posts an hour. A post with others' replies under it is emptied when
deleted, else deleted; deletePerson deletes what a person wrote the same
way, and a published studyset's deletion takes its discussions with it.

The migration adds Serverpod's gen_random_uuid_v7(), discussion_post
and discussion_seen with their indexes and cascading foreign keys, and
changes nothing else.

In the app, discussions open from a copy's studyset or topic menu, a
studied card's "Ask about this", Explore's summary and the Publish
sheet; the Profile tab's inbox lists those the person follows, and its
count includes what is new in them.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>
This commit is contained in:
Tizian 「ティツィアーン」 2026-10-15 23:52:40 +02:00
commit 5efa552489
Signed by: raisondetredev
GPG key ID: 07F6FCF405488B64
1 changed files with 28214 additions and 27 deletions
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26
halkyon_learn_flutter/lib/src/app/app_router.dart
View file

@ -16,6 +16,9 @@ import 'package:halkyon_learn_flutter/src/feature/card/bloc/card_composer_bloc.d
import 'package:halkyon_learn_flutter/src/feature/card/widget/card_browser_screen.dart';
import 'package:halkyon_learn_flutter/src/feature/card/widget/composer/card_composer_screen.dart';
import 'package:halkyon_learn_flutter/src/feature/dictionary/widget/dictionary_screen.dart';
import 'package:halkyon_learn_flutter/src/feature/discussion/model/discussion.dart';
import 'package:halkyon_learn_flutter/src/feature/discussion/widget/discussion_screen.dart';
import 'package:halkyon_learn_flutter/src/feature/discussion/widget/discussions_screen.dart';
import 'package:halkyon_learn_flutter/src/feature/explore/widget/explore_screen.dart';
import 'package:halkyon_learn_flutter/src/feature/feedback/bloc/inbox_count_bloc.dart';
import 'package:halkyon_learn_flutter/src/feature/home/widget/home_screen.dart';
@ -294,6 +297,29 @@ GoRouter buildRouter({String initialLocation = RoutePaths.home}) => GoRouter(
page: int.tryParse(state.uri.queryParameters['page'] ?? ''),
),
),
// A published studyset's discussions, and each of them (ADR 0013).
GoRoute(
path: '/discussions/:publicId',
builder: (context, state) => FramedScreen(
child: DiscussionsScreen(
publicId: state.pathParameters['publicId']!,
topic: state.uri.queryParameters['topic'],
version: int.tryParse(state.uri.queryParameters['version'] ?? ''),
title: state.uri.queryParameters['title'],
ask: targetFromQuery(state.uri.queryParameters['ask']),
),
),
routes: [
GoRoute(
path: ':questionId',
builder: (context, state) => FramedScreen(
child: DiscussionScreen(
questionId: state.pathParameters['questionId']!,
),
),
),
],
),
GoRoute(
path: RoutePaths.settings,
builder: (context, state) => const FramedScreen(child: SettingsScreen()),