Add filter to subscription-list

flutter/lib/api/api_client.dart

@@ -54,6 +54,20 @@ class MessageFilter {
   });
 }
 
+class SubscriptionFilter {
+  static final SubscriptionFilter ALL = SubscriptionFilter('both', 'all', 'all');
+  static final SubscriptionFilter OWNED_INACTIVE = SubscriptionFilter('outgoing', 'unconfirmed', 'false');
+  static final SubscriptionFilter OWNED_ACTIVE = SubscriptionFilter('outgoing', 'confirmed', 'false');
+  static final SubscriptionFilter EXTERNAL_ALL = SubscriptionFilter('outgoing', 'all', 'true');
+  static final SubscriptionFilter INCOMING_ALL = SubscriptionFilter('incoming', 'all', 'true');
+
+  final String direction; // 'outgoing' | 'incoming' | 'both'
+  final String confirmation; // 'confirmed' | 'unconfirmed' | 'all'
+  final String external; // 'true' | 'false' | 'all'
+
+  SubscriptionFilter(this.direction, this.confirmation, this.external) {}
+}
+
 class APIClient {
   static const String _base = 'https://simplecloudnotifier.de';
   static const String _prefix = '/api/v2';
@@ -345,15 +359,15 @@ class APIClient {
     );
   }
 
-  static Future<List<Subscription>> getSubscriptionList(TokenSource auth) async {
+  static Future<List<Subscription>> getSubscriptionList(TokenSource auth, SubscriptionFilter filter) async {
     return await _request(
       name: 'getSubscriptionList',
       method: 'GET',
       relURL: 'users/${auth.getUserID()}/subscriptions',
       query: {
-        'direction': ['both'],
+        'direction': [filter.direction],
-        'confirmation': ['all'],
+        'confirmation': [filter.confirmation],
-        'external': ['all'],
+        'external': [filter.external],
       },
       fn: (json) => Subscription.fromJsonArray(json['subscriptions'] as List<dynamic>),
       authToken: auth.getToken(),

flutter/lib/components/filter_chips/filter_chips.dart

@@ -0,0 +1,47 @@
+import 'package:flutter/material.dart';
+
+class FilterChips<T extends Enum> extends StatelessWidget {
+  final List<(T, String)> options;
+  final T value;
+  final void Function(T)? onChanged;
+
+  const FilterChips({
+    Key? key,
+    required this.options,
+    required this.value,
+    required this.onChanged,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return SingleChildScrollView(
+      scrollDirection: Axis.horizontal,
+      child: Row(
+        children: [
+          for (var opt in options) _buildChiplet(context, opt.$1, opt.$2),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildChiplet(BuildContext context, T optValue, String optText) {
+    final isSelected = optValue == value;
+    return Padding(
+      padding: const EdgeInsets.fromLTRB(0, 2, 4, 2),
+      child: InputChip(
+        label: Text(
+          optText,
+          style: isSelected ? TextStyle(color: Theme.of(context).colorScheme.onPrimary) : null,
+        ),
+        visualDensity: VisualDensity(horizontal: -4, vertical: -4),
+        isEnabled: true,
+        selected: true,
+        showCheckmark: false,
+        onPressed: () {
+          if (!isSelected) onChanged?.call(optValue);
+        },
+        selectedColor: isSelected ? Theme.of(context).colorScheme.primary : null,
+      ),
+    );
+  }
+}

flutter/lib/pages/account/account.dart

@@ -117,7 +117,7 @@ class _AccountRootPageState extends State<AccountRootPage> {
 
       _futureSubscriptionCount = ImmediateFuture.ofFuture(() async {
         if (!userAcc.isAuth()) throw new Exception('not logged in');
-        final subs = await APIClient.getSubscriptionList(userAcc);
+        final subs = await APIClient.getSubscriptionList(userAcc, SubscriptionFilter.ALL);
         return subs.length;
       }());
 
@@ -153,7 +153,7 @@ class _AccountRootPageState extends State<AccountRootPage> {
         // refresh all data and then replace teh futures used in build()
 
         final channelsAll = await APIClient.getChannelList(userAcc, ChannelSelector.all);
-        final subs = await APIClient.getSubscriptionList(userAcc);
+        final subs = await APIClient.getSubscriptionList(userAcc, SubscriptionFilter.ALL);
         final clients = await APIClient.getClientList(userAcc);
         final keys = await APIClient.getKeyTokenList(userAcc);
         final senderNames = await APIClient.getSenderNameList(userAcc);

flutter/lib/pages/subscription_list/subscription_list.dart

@@ -3,6 +3,7 @@ import 'package:infinite_scroll_pagination/infinite_scroll_pagination.dart';
 import 'package:provider/provider.dart';
 import 'package:simplecloudnotifier/api/api_client.dart';
 import 'package:simplecloudnotifier/components/badge_display/badge_display.dart';
+import 'package:simplecloudnotifier/components/filter_chips/filter_chips.dart';
 import 'package:simplecloudnotifier/components/layout/scaffold.dart';
 import 'package:simplecloudnotifier/models/channel.dart';
 import 'package:simplecloudnotifier/models/subscription.dart';
@@ -13,6 +14,29 @@ import 'package:simplecloudnotifier/state/app_auth.dart';
 import 'package:simplecloudnotifier/pages/subscription_list/subscription_list_item.dart';
 import 'package:simplecloudnotifier/state/scn_data_cache.dart';
 
+enum SubscriptionListFilter {
+  ALL,
+  INACTIVE,
+  OWN,
+  EXTERNAL,
+  INCOMING;
+
+  SubscriptionFilter toAPIFilter() {
+    switch (this) {
+      case ALL:
+        return SubscriptionFilter.ALL;
+      case INACTIVE:
+        return SubscriptionFilter.OWNED_INACTIVE;
+      case OWN:
+        return SubscriptionFilter.OWNED_ACTIVE;
+      case EXTERNAL:
+        return SubscriptionFilter.EXTERNAL_ALL;
+      case INCOMING:
+        return SubscriptionFilter.INCOMING_ALL;
+    }
+  }
+}
+
 class SubscriptionListPage extends StatefulWidget {
   const SubscriptionListPage({super.key});
 
@@ -26,6 +50,8 @@ class _SubscriptionListPageState extends State<SubscriptionListPage> {
   final userCache = Map<String, UserPreview>();
   final channelCache = Map<String, ChannelPreview>();
 
+  SubscriptionListFilter filter = SubscriptionListFilter.ALL;
+
   @override
   void initState() {
     super.initState();
@@ -60,7 +86,7 @@ class _SubscriptionListPageState extends State<SubscriptionListPage> {
     }
 
     try {
-      final items = (await APIClient.getSubscriptionList(acc)).toList();
+      final items = (await APIClient.getSubscriptionList(acc, filter.toAPIFilter())).toList();
 
       items.sort((a, b) => -1 * a.timestampCreated.compareTo(b.timestampCreated));
 
@@ -106,6 +132,22 @@ class _SubscriptionListPageState extends State<SubscriptionListPage> {
               extraPadding: EdgeInsets.fromLTRB(0, 0, 0, 16),
               hidden: !AppSettings().showInfoAlerts,
             ),
+            FilterChips<SubscriptionListFilter>(
+              options: [
+                (SubscriptionListFilter.ALL, 'All'),
+                (SubscriptionListFilter.OWN, 'Own'),
+                (SubscriptionListFilter.EXTERNAL, 'External'),
+                (SubscriptionListFilter.INCOMING, 'Incoming'),
+                (SubscriptionListFilter.INACTIVE, 'Inactive'),
+              ],
+              value: filter,
+              onChanged: (newFilter) {
+                setState(() {
+                  filter = newFilter;
+                  _pagingController.refresh();
+                });
+              },
+            ),
             Expanded(
               child: _buildList(context),
             )