channel_message_list

2024-07-13 00:11:13 +02:00
parent 778451fa4c
commit be7035978b
9 changed files with 281 additions and 127 deletions
--- a/flutter/lib/pages/channel_message_view/channel_message_view.dart
+++ b/flutter/lib/pages/channel_message_view/channel_message_view.dart
@@ -0,0 +1,105 @@
+import 'package:flutter/material.dart';
+import 'package:infinite_scroll_pagination/infinite_scroll_pagination.dart';
+import 'package:simplecloudnotifier/api/api_client.dart';
+import 'package:simplecloudnotifier/components/layout/scaffold.dart';
+import 'package:simplecloudnotifier/models/channel.dart';
+import 'package:simplecloudnotifier/models/scn_message.dart';
+import 'package:simplecloudnotifier/pages/message_list/message_list_item.dart';
+import 'package:simplecloudnotifier/pages/message_view/message_view.dart';
+import 'package:simplecloudnotifier/settings/app_settings.dart';
+import 'package:simplecloudnotifier/state/app_auth.dart';
+import 'package:simplecloudnotifier/state/application_log.dart';
+import 'package:simplecloudnotifier/state/scn_data_cache.dart';
+import 'package:simplecloudnotifier/utils/navi.dart';
+import 'package:provider/provider.dart';
+
+class ChannelMessageViewPage extends StatefulWidget {
+  const ChannelMessageViewPage({
+    required this.channel,
+    super.key,
+  });
+
+  final Channel channel;
+
+  @override
+  State<ChannelMessageViewPage> createState() => _ChannelMessageViewPageState();
+}
+
+class _ChannelMessageViewPageState extends State<ChannelMessageViewPage> {
+  PagingController<String, SCNMessage> _pagingController = PagingController.fromValue(PagingState(nextPageKey: null, itemList: [], error: null), firstPageKey: '@start');
+
+  @override
+  void initState() {
+    super.initState();
+
+    _pagingController.addPageRequestListener(_fetchPage);
+
+    _pagingController.refresh();
+  }
+
+  @override
+  void dispose() {
+    _pagingController.dispose();
+    super.dispose();
+  }
+
+  Future<void> _fetchPage(String thisPageToken) async {
+    final acc = Provider.of<AppAuth>(context, listen: false);
+    final cfg = Provider.of<AppSettings>(context, listen: false);
+
+    ApplicationLog.debug('Start ChannelMessageViewPage::_pagingController::_fetchPage [ ${thisPageToken} ]');
+
+    if (!acc.isAuth()) {
+      _pagingController.error = 'Not logged in';
+      return;
+    }
+
+    try {
+      final (npt, newItems) = await APIClient.getMessageList(acc, thisPageToken, pageSize: cfg.messagePageSize, channelIDs: [this.widget.channel.channelID]);
+
+      SCNDataCache().addToMessageCache(newItems); // no await
+
+      if (npt == '@end') {
+        _pagingController.appendLastPage(newItems);
+      } else {
+        _pagingController.appendPage(newItems, npt);
+      }
+    } catch (exc, trace) {
+      _pagingController.error = exc.toString();
+      ApplicationLog.error('Failed to list channel-messages: ' + exc.toString(), trace: trace);
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return SCNScaffold(
+      title: this.widget.channel.displayName,
+      showSearch: false,
+      showShare: false,
+      child: _buildMessageList(context),
+    );
+  }
+
+  Widget _buildMessageList(BuildContext context) {
+    return Padding(
+      padding: EdgeInsets.fromLTRB(8, 4, 8, 4),
+      child: RefreshIndicator(
+        onRefresh: () => Future.sync(
+          () => _pagingController.refresh(),
+        ),
+        child: PagedListView<String, SCNMessage>(
+          pagingController: _pagingController,
+          builderDelegate: PagedChildBuilderDelegate<SCNMessage>(
+            itemBuilder: (context, item, index) => MessageListItem(
+              message: item,
+              allChannels: {this.widget.channel.channelID: this.widget.channel},
+              onPressed: () {
+                Navi.push(context, () => MessageViewPage(message: item));
+              },
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}