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Ability to filter posts containing keyword in title/body (#974)
* initial work on keyword filtering * applied filtering to post title and body * cleaned up logic for input dialog * minor linting * checks for empty strings, and trimming whitespace * moved filter description to top of page * updated naming for dialog context
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| import 'package:flutter/material.dart'; | ||
|
|
||
| import 'package:flutter_bloc/flutter_bloc.dart'; | ||
| import 'package:flutter_gen/gen_l10n/app_localizations.dart'; | ||
|
|
||
| import 'package:thunder/core/enums/local_settings.dart'; | ||
| import 'package:thunder/core/singletons/preferences.dart'; | ||
| import 'package:thunder/settings/widgets/settings_list_tile.dart'; | ||
| import 'package:thunder/shared/dialogs.dart'; | ||
| import 'package:thunder/shared/input_dialogs.dart'; | ||
| import 'package:thunder/thunder/bloc/thunder_bloc.dart'; | ||
|
|
||
| class FilterSettingsPage extends StatefulWidget { | ||
| const FilterSettingsPage({super.key}); | ||
|
|
||
| @override | ||
| State<FilterSettingsPage> createState() => _FilterSettingsPageState(); | ||
| } | ||
|
|
||
| class _FilterSettingsPageState extends State<FilterSettingsPage> with SingleTickerProviderStateMixin { | ||
| /// The list of keyword filters to apply for posts | ||
| List<String> keywordFilters = []; | ||
|
|
||
| void setPreferences(attribute, value) async { | ||
| final prefs = (await UserPreferences.instance).sharedPreferences; | ||
|
|
||
| switch (attribute) { | ||
| case LocalSettings.keywordFilters: | ||
| await prefs.setStringList(LocalSettings.keywordFilters.name, value); | ||
| setState(() => keywordFilters = value); | ||
| break; | ||
| } | ||
|
|
||
| if (context.mounted) { | ||
| context.read<ThunderBloc>().add(UserPreferencesChangeEvent()); | ||
| } | ||
| } | ||
|
|
||
| void _initPreferences() async { | ||
| final prefs = (await UserPreferences.instance).sharedPreferences; | ||
|
|
||
| setState(() { | ||
| keywordFilters = prefs.getStringList(LocalSettings.keywordFilters.name) ?? []; | ||
| }); | ||
| } | ||
|
|
||
| @override | ||
| void initState() { | ||
| super.initState(); | ||
| WidgetsBinding.instance.addPostFrameCallback((_) => _initPreferences()); | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| final theme = Theme.of(context); | ||
| final l10n = AppLocalizations.of(context)!; | ||
|
|
||
| return Scaffold( | ||
| body: CustomScrollView( | ||
| slivers: [ | ||
| SliverAppBar( | ||
| title: Text(l10n.filters), | ||
| centerTitle: false, | ||
| toolbarHeight: 70.0, | ||
| pinned: true, | ||
| ), | ||
| SliverToBoxAdapter( | ||
| child: Padding( | ||
| padding: const EdgeInsets.only(left: 16.0, bottom: 8.0), | ||
| child: Text( | ||
| l10n.keywordFilterDescription, | ||
| style: theme.textTheme.bodyMedium?.copyWith( | ||
| color: theme.textTheme.bodyMedium?.color?.withOpacity(0.8), | ||
| ), | ||
| ), | ||
| ), | ||
| ), | ||
| SliverToBoxAdapter( | ||
| child: Padding( | ||
| padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 8.0), | ||
| child: Row( | ||
| mainAxisAlignment: MainAxisAlignment.spaceBetween, | ||
| children: [ | ||
| Text(l10n.keywordFilters, style: theme.textTheme.titleMedium), | ||
| IconButton( | ||
| visualDensity: VisualDensity.compact, | ||
| icon: Icon( | ||
| Icons.add_rounded, | ||
| semanticLabel: l10n.add, | ||
| ), | ||
| onPressed: () => showKeywordInputDialog( | ||
| context, | ||
| title: l10n.addKeywordFilter, | ||
| onKeywordSelected: (keyword) { | ||
| setPreferences(LocalSettings.keywordFilters, [...keywordFilters, keyword]); | ||
| }, | ||
| ), | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| ), | ||
| SliverToBoxAdapter( | ||
| child: Padding( | ||
| padding: const EdgeInsets.only(left: 16.0, right: 16.0), | ||
| child: Align( | ||
| alignment: Alignment.centerLeft, | ||
| child: keywordFilters.isEmpty | ||
| ? Text( | ||
| l10n.noKeywordFilters, | ||
| style: theme.textTheme.bodyMedium?.copyWith( | ||
| color: theme.textTheme.bodyMedium?.color?.withOpacity(0.8), | ||
| ), | ||
| ) | ||
| : ListView.builder( | ||
| padding: const EdgeInsets.only(bottom: 20), | ||
| physics: const NeverScrollableScrollPhysics(), | ||
| shrinkWrap: true, | ||
| itemCount: keywordFilters.length, | ||
| itemBuilder: (context, index) { | ||
| return SettingsListTile( | ||
| description: keywordFilters[index], | ||
| widget: const SizedBox(height: 42.0, child: Icon(Icons.chevron_right_rounded)), | ||
| onTap: () async { | ||
| showThunderDialog( | ||
| context: context, | ||
| title: l10n.removeKeywordFilter, | ||
| contentText: l10n.removeKeyword(keywordFilters[index]), | ||
| primaryButtonText: l10n.remove, | ||
| onPrimaryButtonPressed: (dialogContext, setPrimaryButtonEnabled) { | ||
| setPreferences(LocalSettings.keywordFilters, keywordFilters.where((element) => element != keywordFilters[index]).toList()); | ||
| Navigator.of(dialogContext).pop(); | ||
| }, | ||
| secondaryButtonText: l10n.cancel, | ||
| onSecondaryButtonPressed: (dialogContext) => Navigator.of(dialogContext).pop(), | ||
| ); | ||
| }, | ||
| ); | ||
| }, | ||
| ), | ||
| ), | ||
| ), | ||
| ), | ||
| const SliverToBoxAdapter(child: SizedBox(height: 128.0)), | ||
| ], | ||
| ), | ||
| ); | ||
| } | ||
| } |
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