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