SimpleCloudNotifier/flutter/lib/pages/channel_message_view/channel_message_view.dart

106 lines
3.5 KiB
Dart
Raw Normal View History

2024-07-13 00:11:13 +02:00
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, filter: MessageFilter(channelIDs: [this.widget.channel.channelID]));
2024-07-13 00:11:13 +02:00
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(messageID: item.messageID, preloadedData: (item,)));
2024-07-13 00:11:13 +02:00
},
),
),
),
),
);
}
}