594 lines
21 KiB
Dart
594 lines
21 KiB
Dart
import 'dart:async';
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import 'dart:developer';
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import 'package:auto_route/auto_route.dart';
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import 'package:easy_localization/easy_localization.dart';
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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_hooks/flutter_hooks.dart';
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import 'package:gap/gap.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:island/models/file.dart';
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import 'package:island/models/post.dart';
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import 'package:island/screens/creators/publishers.dart';
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import 'package:island/services/responsive.dart';
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import 'package:island/widgets/app_scaffold.dart';
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import 'package:island/screens/posts/detail.dart';
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import 'package:island/widgets/content/attachment_preview.dart';
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import 'package:island/widgets/content/cloud_files.dart';
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import 'package:island/widgets/content/markdown.dart';
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import 'package:island/widgets/post/compose_shared.dart';
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import 'package:island/widgets/post/compose_settings_sheet.dart';
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import 'package:island/services/compose_storage_db.dart';
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import 'package:island/widgets/post/publishers_modal.dart';
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import 'package:island/widgets/post/draft_manager.dart';
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import 'package:material_symbols_icons/symbols.dart';
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import 'package:styled_widget/styled_widget.dart';
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@RoutePage()
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class ArticleEditScreen extends HookConsumerWidget {
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final String id;
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const ArticleEditScreen({super.key, @PathParam('id') required this.id});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final post = ref.watch(postProvider(id));
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return post.when(
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data: (post) => ArticleComposeScreen(originalPost: post),
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loading:
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() => AppScaffold(
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appBar: AppBar(leading: const PageBackButton()),
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body: const Center(child: CircularProgressIndicator()),
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),
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error:
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(e, _) => AppScaffold(
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appBar: AppBar(leading: const PageBackButton()),
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body: Text('Error: $e', textAlign: TextAlign.center),
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),
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);
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}
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}
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@RoutePage()
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class ArticleComposeScreen extends HookConsumerWidget {
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final SnPost? originalPost;
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const ArticleComposeScreen({super.key, this.originalPost});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final theme = Theme.of(context);
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final colorScheme = theme.colorScheme;
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final publishers = ref.watch(publishersManagedProvider);
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final state = useMemoized(
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() => ComposeLogic.createState(originalPost: originalPost),
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[originalPost],
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);
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// Start auto-save when component mounts
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useEffect(() {
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Timer? autoSaveTimer;
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if (originalPost == null) {
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// Only auto-save for new articles, not edits
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autoSaveTimer = Timer.periodic(const Duration(seconds: 3), (_) {
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_saveArticleDraft(ref, state);
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});
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}
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return () {
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// Stop auto-save first to prevent race conditions
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state.stopAutoSave();
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// Save final draft before disposing
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if (originalPost == null) {
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_saveArticleDraft(ref, state);
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}
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ComposeLogic.dispose(state);
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autoSaveTimer?.cancel();
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};
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}, [state]);
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final showPreview = useState(false);
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// Initialize publisher once when data is available
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useEffect(() {
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if (publishers.value?.isNotEmpty ?? false) {
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state.currentPublisher.value = publishers.value!.first;
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}
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return null;
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}, [publishers]);
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// Load draft if available (only for new articles)
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useEffect(() {
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if (originalPost == null) {
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// Try to load the most recent article draft
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final drafts = ref.read(articleStorageNotifierProvider);
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if (drafts.isNotEmpty) {
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final mostRecentDraft = drafts.values.reduce(
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(a, b) => a.lastModified.isAfter(b.lastModified) ? a : b,
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);
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// Only load if the draft has meaningful content
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if (!mostRecentDraft.isEmpty) {
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state.titleController.text = mostRecentDraft.title;
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state.descriptionController.text = mostRecentDraft.description;
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state.contentController.text = mostRecentDraft.content;
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state.visibility.value = _parseArticleVisibility(
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mostRecentDraft.visibility,
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);
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}
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}
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}
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return null;
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}, []);
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// Auto-save cleanup
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useEffect(() {
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return () {
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state.stopAutoSave();
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ComposeLogic.dispose(state);
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};
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}, [state]);
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// Helper methods
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void showSettingsSheet() {
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showModalBottomSheet(
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context: context,
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isScrollControlled: true,
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builder:
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(context) => ComposeSettingsSheet(
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titleController: state.titleController,
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descriptionController: state.descriptionController,
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visibility: state.visibility,
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onVisibilityChanged: () {
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// Trigger rebuild if needed
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},
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),
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);
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}
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Widget buildPreviewPane() {
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return Container(
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decoration: BoxDecoration(
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border: Border.all(color: colorScheme.outline.withOpacity(0.3)),
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borderRadius: BorderRadius.circular(8),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: colorScheme.surfaceVariant.withOpacity(0.3),
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borderRadius: const BorderRadius.only(
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topLeft: Radius.circular(8),
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topRight: Radius.circular(8),
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),
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),
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child: Row(
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children: [
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Icon(Symbols.preview, size: 20),
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const Gap(8),
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Text('preview'.tr(), style: theme.textTheme.titleMedium),
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],
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),
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),
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Expanded(
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child: SingleChildScrollView(
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padding: const EdgeInsets.all(16),
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child: ValueListenableBuilder<TextEditingValue>(
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valueListenable: state.titleController,
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builder: (context, titleValue, _) {
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return ValueListenableBuilder<TextEditingValue>(
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valueListenable: state.descriptionController,
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builder: (context, descriptionValue, _) {
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return ValueListenableBuilder<TextEditingValue>(
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valueListenable: state.contentController,
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builder: (context, contentValue, _) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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if (titleValue.text.isNotEmpty) ...[
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Text(
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titleValue.text,
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style: theme.textTheme.headlineSmall
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?.copyWith(fontWeight: FontWeight.bold),
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),
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const Gap(16),
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],
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if (descriptionValue.text.isNotEmpty) ...[
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Text(
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descriptionValue.text,
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style: theme.textTheme.bodyLarge?.copyWith(
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color: colorScheme.onSurface.withOpacity(
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0.7,
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),
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),
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),
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const Gap(16),
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],
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if (contentValue.text.isNotEmpty)
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MarkdownTextContent(
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content: contentValue.text,
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textStyle: theme.textTheme.bodyMedium,
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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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);
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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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);
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}
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Widget buildEditorPane() {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Publisher row
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Card(
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margin: EdgeInsets.only(bottom: 8),
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elevation: 1,
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child: Padding(
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padding: const EdgeInsets.all(12),
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child: Row(
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children: [
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GestureDetector(
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child: ProfilePictureWidget(
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fileId: state.currentPublisher.value?.picture?.id,
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radius: 20,
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fallbackIcon:
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state.currentPublisher.value == null
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? Symbols.question_mark
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: null,
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),
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onTap: () {
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showModalBottomSheet(
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isScrollControlled: true,
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context: context,
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builder: (context) => const PublisherModal(),
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).then((value) {
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if (value != null) {
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state.currentPublisher.value = value;
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}
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});
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},
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),
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const Gap(12),
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Text(
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state.currentPublisher.value?.name ??
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'postPublisherUnselected'.tr(),
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style: theme.textTheme.bodyMedium,
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),
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],
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),
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),
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),
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// Content field with keyboard listener
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Expanded(
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child: RawKeyboardListener(
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focusNode: FocusNode(),
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onKey:
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(event) => _handleKeyPress(
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event,
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state,
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ref,
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context,
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originalPost: originalPost,
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),
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child: TextField(
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controller: state.contentController,
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style: theme.textTheme.bodyMedium,
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decoration: InputDecoration(
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border: InputBorder.none,
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hintText: 'postContent'.tr(),
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contentPadding: const EdgeInsets.all(8),
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),
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maxLines: null,
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expands: true,
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textAlignVertical: TextAlignVertical.top,
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onTapOutside:
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(_) => FocusManager.instance.primaryFocus?.unfocus(),
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),
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),
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),
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// Attachments preview
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ValueListenableBuilder<List<UniversalFile>>(
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valueListenable: state.attachments,
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builder: (context, attachments, _) {
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if (attachments.isEmpty) return const SizedBox.shrink();
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return Column(
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children: [
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const Gap(16),
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ValueListenableBuilder<Map<int, double>>(
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valueListenable: state.attachmentProgress,
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builder: (context, progressMap, _) {
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return Wrap(
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spacing: 8,
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runSpacing: 8,
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children: [
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for (var idx = 0; idx < attachments.length; idx++)
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SizedBox(
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width: 120,
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height: 120,
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child: AttachmentPreview(
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item: attachments[idx],
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progress: progressMap[idx],
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onRequestUpload:
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() => ComposeLogic.uploadAttachment(
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ref,
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state,
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idx,
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),
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onDelete:
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() => ComposeLogic.deleteAttachment(
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ref,
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state,
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idx,
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),
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onMove: (delta) {
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state
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.attachments
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.value = ComposeLogic.moveAttachment(
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state.attachments.value,
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idx,
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delta,
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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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},
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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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);
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}
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return PopScope(
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onPopInvoked: (_) {
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if (originalPost == null) {
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_saveArticleDraft(ref, state);
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}
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},
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child: AppScaffold(
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noBackground: false,
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appBar: AppBar(
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leading: const PageBackButton(),
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title: ValueListenableBuilder<TextEditingValue>(
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valueListenable: state.titleController,
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builder: (context, titleValue, _) {
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return Text(
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titleValue.text.isEmpty ? 'postTitle'.tr() : titleValue.text,
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);
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},
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),
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actions: [
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// Info banner for article compose
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const SizedBox.shrink(),
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if (originalPost == null) // Only show drafts for new articles
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IconButton(
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icon: const Icon(Symbols.draft),
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onPressed: () {
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showModalBottomSheet(
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context: context,
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isScrollControlled: true,
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builder:
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(context) => DraftManagerSheet(
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isArticle: true,
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onDraftSelected: (draftId) {
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final draft =
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ref.read(
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articleStorageNotifierProvider,
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)[draftId];
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if (draft != null) {
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state.titleController.text = draft.title;
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state.descriptionController.text =
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draft.description;
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state.contentController.text = draft.content;
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state.visibility.value = _parseArticleVisibility(
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draft.visibility,
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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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tooltip: 'drafts'.tr(),
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),
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IconButton(
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icon: const Icon(Symbols.save),
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onPressed: () => _saveArticleDraft(ref, state),
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tooltip: 'saveDraft'.tr(),
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),
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IconButton(
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icon: const Icon(Symbols.settings),
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onPressed: showSettingsSheet,
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tooltip: 'postSettings'.tr(),
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),
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Tooltip(
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message: 'togglePreview'.tr(),
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child: IconButton(
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icon: Icon(showPreview.value ? Symbols.edit : Symbols.preview),
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onPressed: () => showPreview.value = !showPreview.value,
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),
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),
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ValueListenableBuilder<bool>(
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valueListenable: state.submitting,
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builder: (context, submitting, _) {
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return IconButton(
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onPressed:
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submitting
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? null
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: () => ComposeLogic.performAction(
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ref,
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state,
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context,
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originalPost: originalPost,
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postType: 1, // Article type
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),
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icon:
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submitting
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? SizedBox(
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width: 28,
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height: 28,
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child: const CircularProgressIndicator(
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color: Colors.white,
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strokeWidth: 2.5,
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),
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).center()
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: Icon(
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originalPost != null
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? Symbols.edit
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: Symbols.upload,
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),
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);
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},
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),
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const Gap(8),
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],
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),
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body: Column(
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children: [
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Expanded(
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child: Padding(
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padding: const EdgeInsets.only(left: 16, right: 16),
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child:
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isWideScreen(context)
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? Row(
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spacing: 16,
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children: [
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Expanded(
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flex: showPreview.value ? 1 : 2,
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child: buildEditorPane(),
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),
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if (showPreview.value)
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Expanded(child: buildPreviewPane()),
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],
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)
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: showPreview.value
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? buildPreviewPane()
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: buildEditorPane(),
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),
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),
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// Bottom toolbar
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Material(
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elevation: 4,
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child: Row(
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children: [
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IconButton(
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onPressed: () => ComposeLogic.pickPhotoMedia(ref, state),
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icon: const Icon(Symbols.add_a_photo),
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color: colorScheme.primary,
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),
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IconButton(
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onPressed: () => ComposeLogic.pickVideoMedia(ref, state),
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icon: const Icon(Symbols.videocam),
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color: colorScheme.primary,
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),
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],
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).padding(
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bottom: MediaQuery.of(context).padding.bottom + 16,
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horizontal: 16,
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top: 8,
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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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}
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// Helper method to handle keyboard shortcuts
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void _handleKeyPress(
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RawKeyEvent event,
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ComposeState state,
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WidgetRef ref,
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BuildContext context, {
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SnPost? originalPost,
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}) {
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if (event is! RawKeyDownEvent) return;
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final isPaste = event.logicalKey == LogicalKeyboardKey.keyV;
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final isSave = event.logicalKey == LogicalKeyboardKey.keyS;
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final isModifierPressed = event.isMetaPressed || event.isControlPressed;
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final isSubmit = event.logicalKey == LogicalKeyboardKey.enter;
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if (isPaste && isModifierPressed) {
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ComposeLogic.handlePaste(state);
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} else if (isSave && isModifierPressed) {
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_saveArticleDraft(ref, state);
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} else if (isSubmit && isModifierPressed && !state.submitting.value) {
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ComposeLogic.performAction(
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ref,
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state,
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context,
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originalPost: originalPost,
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postType: 1, // Article type
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);
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}
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}
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// Helper method to save article draft
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Future<void> _saveArticleDraft(WidgetRef ref, ComposeState state) async {
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try {
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final draft = ArticleDraftModel(
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id: state.draftId,
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title: state.titleController.text,
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description: state.descriptionController.text,
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content: state.contentController.text,
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visibility: _visibilityToString(state.visibility.value),
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lastModified: DateTime.now(),
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);
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await ref.read(articleStorageNotifierProvider.notifier).saveDraft(draft);
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} catch (e) {
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log('[ArticleCompose] Failed to save draft, error: $e');
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// Silently fail for auto-save to avoid disrupting user experience
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}
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}
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// Helper method to convert visibility int to string
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String _visibilityToString(int visibility) {
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switch (visibility) {
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case 0:
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return 'public';
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case 1:
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return 'unlisted';
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case 2:
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return 'friends';
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case 3:
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return 'private';
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default:
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return 'public';
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}
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}
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// Helper method to parse article visibility
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int _parseArticleVisibility(String visibility) {
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switch (visibility) {
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case 'public':
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return 0;
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case 'unlisted':
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return 1;
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case 'friends':
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return 2;
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|
case 'private':
|
|
return 3;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
}
|