130 lines
4.3 KiB
Dart
130 lines
4.3 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_animate/flutter_animate.dart';
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import 'package:get/get.dart';
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import 'package:solian/controllers/chat_events_controller.dart';
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import 'package:solian/models/channel.dart';
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import 'package:solian/models/event.dart';
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import 'package:solian/providers/last_read.dart';
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import 'package:solian/widgets/chat/chat_event.dart';
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import 'package:solian/widgets/chat/chat_event_action.dart';
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import 'package:very_good_infinite_list/very_good_infinite_list.dart';
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class ChatEventList extends StatelessWidget {
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final bool noAnimated;
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final String scope;
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final Channel channel;
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final ChatEventController chatController;
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final Function(Event) onEdit;
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final Function(Event) onReply;
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const ChatEventList({
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super.key,
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this.scope = 'global',
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required this.channel,
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required this.chatController,
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required this.onEdit,
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required this.onReply,
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this.noAnimated = false,
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});
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bool _checkMessageMergeable(Event? a, Event? b) {
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if (a == null || b == null) return false;
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if (a.sender.account.id != b.sender.account.id) return false;
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return a.createdAt.difference(b.createdAt).inMinutes <= 3;
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}
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@override
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Widget build(BuildContext context) {
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return CustomScrollView(
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cacheExtent: 100,
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reverse: true,
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slivers: [
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Obx(() {
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return SliverInfiniteList(
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key: Key('chat-history#${channel.id}'),
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isLoading: chatController.isLoading.value,
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itemCount: chatController.currentEvents.length,
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itemBuilder: (context, index) {
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Get.find<LastReadProvider>().messagesLastReadAt =
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chatController.currentEvents[index].id;
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bool isMerged = false, hasMerged = false;
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if (index > 0) {
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hasMerged = _checkMessageMergeable(
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chatController.currentEvents[index - 1].data,
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chatController.currentEvents[index].data,
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);
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}
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if (index + 1 < chatController.currentEvents.length) {
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isMerged = _checkMessageMergeable(
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chatController.currentEvents[index].data,
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chatController.currentEvents[index + 1].data,
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);
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}
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final item = chatController.currentEvents[index].data;
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return GestureDetector(
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behavior: HitTestBehavior.opaque,
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child: Builder(builder: (context) {
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final widget = ChatEvent(
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key: Key('m${item!.uuid}'),
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item: item,
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isMerged: isMerged,
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chatController: chatController,
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).paddingOnly(
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top: !isMerged ? 8 : 0,
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bottom: !hasMerged ? 8 : 0,
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);
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if (noAnimated) {
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return widget;
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} else {
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return widget
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.animate(
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key: Key('animated-m${item.uuid}'),
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)
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.slideY(
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curve: Curves.fastLinearToSlowEaseIn,
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duration: 250.ms,
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begin: 0.5,
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end: 0,
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);
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}
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}),
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onLongPress: () {
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showModalBottomSheet(
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useRootNavigator: true,
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context: context,
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builder: (context) => ChatEventAction(
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channel: channel,
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realm: channel.realm,
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item: item!,
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onEdit: () {
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onEdit(item);
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},
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onReply: () {
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onReply(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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onFetchData: () {
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if (chatController.currentEvents.length <
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chatController.totalEvents.value) {
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chatController.loadEvents(
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chatController.channel!,
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chatController.scope!,
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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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}
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