forked from firka/firka
633 lines
22 KiB
Dart
633 lines
22 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'dart:math';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_arc_text/flutter_arc_text.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:flutter_screenutil/flutter_screenutil.dart';
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import 'package:kreta_api/kreta_api.dart';
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import 'package:watch_connectivity/watch_connectivity.dart';
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import 'package:wear_plus/wear_plus.dart';
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import 'package:firka_wear/app/app_state.dart';
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import 'package:firka_wear/core/bloc/wear_sync_cubit.dart';
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import 'package:firka_wear/core/debug_helper.dart';
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import 'package:firka_wear/core/extensions.dart';
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import 'package:firka_wear/l10n/app_localizations.dart';
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import 'package:firka_wear/ui/theme/style.dart';
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import 'package:firka_wear/ui/shared/class_icon.dart';
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import 'package:firka_wear/ui/wear/widgets/lesson_card_small.dart';
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import 'package:firka_wear/ui/wear/widgets/circular_progress_indicator.dart';
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part 'home_screen_body.dart';
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class WearHomeScreen extends StatefulWidget {
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final WearAppInitialization data;
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const WearHomeScreen(this.data, {super.key});
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@override
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State<WearHomeScreen> createState() => _WearHomeScreenState();
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}
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class _WearHomeScreenState extends State<WearHomeScreen> {
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WearAppInitialization get data => widget.data;
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int? currentLessonNo;
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List<Lesson> today = List.empty(growable: true);
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String apiError = "";
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DateTime now = timeNow();
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Timer? timer;
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bool init = false;
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WearMode mode = WearMode.active;
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final platform = MethodChannel('firka.app/main');
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final watch = WatchConnectivity();
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StreamSubscription? _messageSub;
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WearSyncCubit? _syncCubit;
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late final PageController _pageController;
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bool disposed = false;
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DateTime? _anchorLessonStart;
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int _bodyPageIndex = 0;
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int? _activeLessonNo;
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@override
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void didChangeDependencies() {
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super.didChangeDependencies();
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_syncCubit ??= context.read<WearSyncCubit>();
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}
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@override
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void initState() {
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super.initState();
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_pageController = PageController();
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now = timeNow();
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today = data.syncStore.getLessonsForDate(now);
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init = data.syncStore.timetable.isNotEmpty;
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_messageSub = watch.messageStream.listen((e) {
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final raw = Map<String, dynamic>.from(e);
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final data = raw['data'];
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final msg = data is String
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? jsonDecode(data) as Map<String, dynamic>
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: raw;
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if (msg['id'] == 'sync_data') _onSyncData(msg);
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});
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timer = Timer.periodic(Duration(seconds: 1), (timer) async {
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setState(() {
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now = timeNow();
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});
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});
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initStateAsync();
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}
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void _onSyncData(Map<String, dynamic> msg) async {
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if (disposed) return;
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_syncCubit?.setSyncing(true);
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try {
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final lastSyncAt = msg['lastSyncAt'] != null
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? DateTime.parse(msg['lastSyncAt'] as String)
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: null;
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final rawTimetable = msg['timetable'] as List<dynamic>? ?? [];
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final timetable = rawTimetable
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.map((e) => Lesson.fromJson(Map<String, dynamic>.from(e as Map)))
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.toList();
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final rawGrades = msg['grades'] as List<dynamic>? ?? [];
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final grades = rawGrades
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.map((e) => Grade.fromJson(Map<String, dynamic>.from(e as Map)))
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.toList();
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await data.syncStore.save(
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lastSyncAt: lastSyncAt,
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timetable: timetable,
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grades: grades,
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);
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watch.sendMessage(<String, dynamic>{
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'data': jsonEncode(<String, dynamic>{'id': 'sync_done'}),
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});
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if (disposed) return;
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setState(() {
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now = timeNow();
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today = data.syncStore.getLessonsForDate(now);
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});
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} finally {
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if (!disposed) _syncCubit?.setSyncing(false);
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}
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}
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Future<void> initStateAsync() async {
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now = timeNow();
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if (data.syncStore.needsSync) {
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watch.sendMessage(<String, dynamic>{
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'data': jsonEncode(<String, dynamic>{'id': 'request_sync'}),
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});
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}
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await data.syncStore.load();
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if (disposed) return;
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setState(() {
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now = timeNow();
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today = data.syncStore.getLessonsForDate(now);
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init = true;
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});
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}
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(List<Widget>, double, double?) buildBody(
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BuildContext context,
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WearMode mode,
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) {
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var body = List<Widget>.empty(growable: true);
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if (!init) {
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return (body, 0.h, null);
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}
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if (today.isEmpty &&
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data.syncStore.needsSync &&
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data.syncStore.timetable.isEmpty) {
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body.add(
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Text(
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AppLocalizations.of(context)!.wear_sync_with_phone,
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style: wearStyle.fonts.H_18px.apply(
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color: wearStyle.colors.textPrimary,
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),
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textAlign: TextAlign.center,
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),
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);
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return (body, 50.h, null);
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}
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if (today.isEmpty) {
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body.add(
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Text(
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AppLocalizations.of(context)!.noClasses,
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style: wearStyle.fonts.H_18px.apply(
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color: wearStyle.colors.textPrimary,
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),
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textAlign: TextAlign.center,
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),
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);
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platform.invokeMethod('activity_cancel');
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return (body, 50.h, null);
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}
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if (now.isAfter(today.last.end)) {
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body.add(
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Text(
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AppLocalizations.of(context)!.noMoreClasses,
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style: wearStyle.fonts.H_18px.apply(
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color: wearStyle.colors.textPrimary,
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),
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textAlign: TextAlign.center,
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),
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);
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platform.invokeMethod('activity_cancel');
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return (body, 50.h, null);
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}
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if (now.isBefore(today.first.start)) {
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var untilFirst = today.first.start.difference(now);
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body.add(
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Text(
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AppLocalizations.of(context)!.firstIn(untilFirst.formatDuration()),
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style: wearStyle.fonts.H_18px.apply(
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color: wearStyle.colors.textPrimary,
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),
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textAlign: TextAlign.center,
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),
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);
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platform.invokeMethod('activity_update');
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return (body, 50.h, null);
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}
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currentLessonNo = null;
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if (now.isAfter(today.first.start) && now.isBefore(today.last.end)) {
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Lesson? currentLesson = today.getCurrentLesson(now);
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Lesson? lastLesson = today.getPrevLesson(now);
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Lesson? nextLesson = today.getNextLesson(now);
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if (currentLesson != null) {
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currentLessonNo = today.getLessonNo(currentLesson);
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}
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Duration? currentBreak;
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Duration? currentBreakProgress;
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if (lastLesson != null && nextLesson != null) {
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currentBreak = nextLesson.start.difference(lastLesson.end);
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currentBreakProgress = nextLesson.start.difference(now);
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}
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if (currentLesson == null) {
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if (currentBreak == null) {
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throw Exception("currentBreak == null");
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}
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if (currentBreakProgress == null) {
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throw Exception("currentBreakProgress == null");
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}
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var minutes = currentBreakProgress.inMinutes + 1;
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final progress =
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currentBreakProgress.inMilliseconds / currentBreak.inMilliseconds;
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body.add(
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Column(
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mainAxisAlignment: MainAxisAlignment.start,
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children: [
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Center(
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child: Text(
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AppLocalizations.of(context)!.breakTxt,
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style: TextStyle(
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color: wearStyle.colors.textPrimary,
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fontSize: 14,
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fontFamily: 'Montserrat',
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fontVariations: [FontVariation('wght', 600)],
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),
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),
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),
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Center(
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child: Text(
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AppLocalizations.of(context)!.timeLeft(minutes),
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style: TextStyle(
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color: wearStyle.colors.textPrimary,
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fontSize: 12,
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fontFamily: 'Montserrat',
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fontVariations: [FontVariation('wght', 400)],
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),
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),
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),
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],
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),
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);
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platform.invokeMethod('activity_update');
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return (body, 20.h, progress);
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} else {
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var duration = currentLesson.start.difference(currentLesson.end);
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var elapsed = currentLesson.start.difference(now);
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var timeLeft = currentLesson.end.difference(now);
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var minutes = timeLeft.inMinutes + 1;
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final progress = elapsed.inMilliseconds / duration.inMilliseconds;
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Widget nextLessonWidget = SizedBox();
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if (nextLesson != null) {
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var nextLessonText = "${nextLesson.name}, ${nextLesson.roomName}";
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if (nextLessonText.length > 10) {
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if (nextLesson.roomName!.length > 10) {
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nextLessonText =
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"${nextLesson.name}, ${nextLesson.roomName!.substring(0, 6)}...";
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} else {
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nextLessonText =
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"${nextLesson.name.substring(0, 10)}..., ${nextLesson.roomName}";
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}
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}
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nextLessonWidget = Center(
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child: Text(
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"→ $nextLessonText",
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style: TextStyle(
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color: wearStyle.colors.textPrimary,
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fontSize: 12,
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fontFamily: 'Montserrat',
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fontVariations: [FontVariation('wght', 400)],
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),
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),
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);
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}
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var currentLessonText =
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"${currentLesson.name}, ${currentLesson.roomName}";
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if (currentLessonText.length > 10) {
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if (currentLesson.roomName!.length > 10) {
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currentLessonText =
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"${currentLesson.name}, ${currentLesson.roomName?.substring(0, 6) ?? ''}...";
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} else {
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currentLessonText =
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"${currentLesson.name.substring(0, 10)}..., ${currentLesson.roomName}";
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}
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}
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body.add(
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Column(
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children: [
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Center(
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child: ClassIconWidget(
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color: wearStyle.colors.accent,
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size: 16,
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uid: currentLesson.uid,
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className: currentLesson.name,
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category: currentLesson.subject?.name ?? '',
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).build(context),
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),
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const SizedBox(height: 4),
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Center(
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child: Text(
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currentLessonText,
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style: TextStyle(
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color: wearStyle.colors.textPrimary,
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fontSize: 14,
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fontFamily: 'Montserrat',
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fontVariations: [FontVariation('wght', 600)],
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),
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),
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),
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Center(
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child: Text(
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AppLocalizations.of(context)!.timeLeft(minutes),
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style: TextStyle(
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color: wearStyle.colors.textPrimary,
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fontSize: 12,
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fontFamily: 'Montserrat',
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fontVariations: [FontVariation('wght', 400)],
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),
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),
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),
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const SizedBox(height: 8),
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nextLessonWidget,
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],
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),
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);
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platform.invokeMethod('activity_update');
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return (body, 0.h, progress);
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}
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}
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platform.invokeMethod('activity_cancel');
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throw Exception("unexpected state");
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}
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@override
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Widget build(BuildContext context) {
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ScreenUtil.init(context);
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Widget titleBar = SizedBox();
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if (currentLessonNo != null) {
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titleBar = ArcText(
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radius: 99,
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startAngle: pi / 180,
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startAngleAlignment: StartAngleAlignment.center,
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text: AppLocalizations.of(context)!.wearTitle(currentLessonNo!),
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textStyle: TextStyle(
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fontSize: 12,
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color: wearStyle.colors.secondary,
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fontFamily: 'Montserrat',
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fontVariations: [FontVariation('wght', 500)],
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),
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placement: Placement.inside,
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);
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}
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return BlocBuilder<WearSyncCubit, WearSyncState>(
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builder: (context, syncState) {
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var (body, padding, progress) = buildBody(context, mode);
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final viewportHeight = MediaQuery.of(context).size.height;
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return Scaffold(
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backgroundColor: mode == WearMode.active
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? wearStyle.colors.background
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: wearStyle.colors.backgroundAmoled,
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body: Stack(
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children: [
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Center(child: titleBar),
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Transform.translate(
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offset: Offset(0, 200.h),
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child: CustomPaint(
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painter: CircularProgressPainter(
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progress: progress ?? 0.0,
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screenSize: MediaQuery.of(context).size,
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strokeWidth: 4,
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color: wearStyle.colors.accent,
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),
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child: SizedBox.expand(),
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),
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),
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Center(
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child: Column(
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children: [
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WatchShape(
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builder: (context, shape, child) {
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return Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[child!],
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);
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},
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child: AmbientMode(
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builder: (context, mode, child) {
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if (this.mode != mode) {
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Timer(Duration(milliseconds: 100), () {
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setState(() {
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this.mode = mode;
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});
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});
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}
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final hasScrollableLessons =
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today.isNotEmpty &&
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!now.isBefore(today.first.start) &&
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!now.isAfter(today.last.end);
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if (!hasScrollableLessons) {
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return SizedBox(
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height: viewportHeight,
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child: _HomeScreenBodyPage(
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body: body,
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padding: padding,
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viewportHeight: viewportHeight,
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),
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);
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}
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final anchorLesson =
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today.getCurrentLesson(now) ??
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today.getNextLesson(now) ??
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(today.isNotEmpty ? today.first : null);
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final anchorIndex = anchorLesson == null
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? 0
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: today.indexWhere(
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(e) =>
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e.start.millisecondsSinceEpoch ==
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anchorLesson.start.millisecondsSinceEpoch,
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);
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final safeAnchorIndex = anchorIndex < 0
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? 0
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: anchorIndex.clamp(0, today.length);
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final beforeLessons = today
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.take(safeAnchorIndex)
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.toList(growable: false);
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final afterLessons = today
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.skip(safeAnchorIndex + 1)
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.toList(growable: false);
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final pages = <Widget>[
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...beforeLessons.map(
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(lesson) => _LessonCardPage(
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key: ValueKey(
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'before_${lesson.start.millisecondsSinceEpoch}',
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),
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lesson: lesson,
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viewportHeight: viewportHeight,
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),
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),
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_HomeScreenBodyPage(
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body: body,
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padding: padding,
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viewportHeight: viewportHeight,
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),
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...afterLessons.map(
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(lesson) => _LessonCardPage(
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key: ValueKey(
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'after_${lesson.start.millisecondsSinceEpoch}',
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),
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lesson: lesson,
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viewportHeight: viewportHeight,
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),
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),
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];
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final newBodyPageIndex = beforeLessons.length;
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final anchorStart = anchorLesson?.start;
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final currentPage = _pageController.hasClients
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? _pageController.page
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: null;
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final shouldRetainBody =
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currentPage == null ||
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currentPage.round() == _bodyPageIndex;
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int? pageIndexForLessonStart(DateTime start) {
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final beforeIndex = beforeLessons.indexWhere(
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(e) =>
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e.start.millisecondsSinceEpoch ==
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start.millisecondsSinceEpoch,
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);
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if (beforeIndex != -1) {
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return beforeIndex;
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}
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final afterIndex = afterLessons.indexWhere(
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(e) =>
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e.start.millisecondsSinceEpoch ==
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start.millisecondsSinceEpoch,
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);
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if (afterIndex != -1) {
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return beforeLessons.length + 1 + afterIndex;
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}
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return null;
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}
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DateTime? visibleLessonStartForPageIndex(
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int pageIndex,
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) {
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if (pageIndex == newBodyPageIndex) return null;
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if (pageIndex < newBodyPageIndex) {
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final beforeIndex = pageIndex;
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if (beforeIndex < 0 ||
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beforeIndex >= beforeLessons.length) {
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return null;
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}
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return beforeLessons[beforeIndex].start;
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}
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final afterIndex = pageIndex - newBodyPageIndex - 1;
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if (afterIndex < 0 ||
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afterIndex >= afterLessons.length) {
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return null;
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}
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return afterLessons[afterIndex].start;
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}
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final activeLessonNo = currentLessonNo;
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final activeLessonChanged =
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activeLessonNo != _activeLessonNo;
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final pageIndex = currentPage?.round();
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final visibleLessonStart = pageIndex == null
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? null
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: visibleLessonStartForPageIndex(pageIndex);
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final targetPageIndex = shouldRetainBody
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? newBodyPageIndex
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: (visibleLessonStart == null
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? null
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: pageIndexForLessonStart(
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visibleLessonStart,
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|
));
|
|
|
|
if (anchorStart != _anchorLessonStart ||
|
|
newBodyPageIndex != _bodyPageIndex ||
|
|
activeLessonChanged) {
|
|
WidgetsBinding.instance.addPostFrameCallback((_) {
|
|
if (!mounted) return;
|
|
if (anchorStart != _anchorLessonStart) {
|
|
_anchorLessonStart = anchorStart;
|
|
}
|
|
if (newBodyPageIndex != _bodyPageIndex) {
|
|
_bodyPageIndex = newBodyPageIndex;
|
|
}
|
|
if (activeLessonChanged) {
|
|
_activeLessonNo = activeLessonNo;
|
|
}
|
|
if (_pageController.hasClients &&
|
|
targetPageIndex != null) {
|
|
_pageController.jumpToPage(targetPageIndex);
|
|
}
|
|
});
|
|
}
|
|
|
|
return SizedBox(
|
|
height: viewportHeight,
|
|
child: PageView(
|
|
controller: _pageController,
|
|
scrollDirection: Axis.vertical,
|
|
children: pages,
|
|
),
|
|
);
|
|
},
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
if (syncState.isSyncing)
|
|
Positioned.fill(
|
|
child: Container(
|
|
color: wearStyle.colors.background.withValues(alpha: 0.8),
|
|
child: Center(
|
|
child: Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
const SizedBox(
|
|
width: 32,
|
|
height: 32,
|
|
child: CircularProgressIndicator(strokeWidth: 2),
|
|
),
|
|
SizedBox(height: 12.h),
|
|
Text(
|
|
AppLocalizations.of(context)!.wear_syncing,
|
|
style: wearStyle.fonts.B_16R.apply(
|
|
color: wearStyle.colors.textPrimary,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
},
|
|
);
|
|
}
|
|
|
|
@override
|
|
void dispose() {
|
|
_messageSub?.cancel();
|
|
timer?.cancel();
|
|
_pageController.dispose();
|
|
disposed = true;
|
|
super.dispose();
|
|
}
|
|
}
|