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✨ Maintain basic messaging websocket

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This commit is contained in:
LittleSheep
2024-04-18 22:33:55 +08:00
parent 8943f089f2
commit 94f9076abb
52 changed files with 288 additions and 101 deletions
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72
lib/screens/chat/chat.dart
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@ -1,6 +1,5 @@
import 'dart:convert';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:infinite_scroll_pagination/infinite_scroll_pagination.dart';
import 'package:provider/provider.dart';
@ -9,6 +8,7 @@ import 'package:solian/models/message.dart';
import 'package:solian/models/pagination.dart';
import 'package:solian/providers/auth.dart';
import 'package:solian/utils/service_url.dart';
import 'package:solian/widgets/chat/maintainer.dart';
import 'package:solian/widgets/chat/message.dart';
import 'package:solian/widgets/chat/message_editor.dart';
import 'package:solian/widgets/indent_wrapper.dart';
@ -78,6 +78,14 @@ class _ChatScreenState extends State<ChatScreen> {
return a.createdAt.difference(b.createdAt).inMinutes <= 5;
}
void addMessage(Message item) {
WidgetsBinding.instance.addPostFrameCallback((_) {
setState(() {
_pagingController.itemList?.insert(0, item);
});
});
}
@override
void initState() {
Future.delayed(Duration.zero, () {
@ -94,35 +102,43 @@ class _ChatScreenState extends State<ChatScreen> {
return IndentWrapper(
hideDrawer: true,
title: _channelMeta?.name ?? "Loading...",
child: Column(
children: [
Expanded(
child: PagedListView<int, Message>(
pagingController: _pagingController,
builderDelegate: PagedChildBuilderDelegate<Message>(
itemBuilder: (context, item, index) {
bool isMerged = false, hasMerged = false;
if (index > 0) {
isMerged = getMessageMergeable(_pagingController.itemList?[index - 1], item);
}
if (index + 1 < (_pagingController.itemList?.length ?? 0)) {
hasMerged = getMessageMergeable(item, _pagingController.itemList?[index + 1]);
}
return Container(
padding: EdgeInsets.only(
top: !isMerged ? 8 : 0,
bottom: !hasMerged ? 8 : 0,
left: 12,
right: 12,
),
child: ChatMessage(item: item, underMerged: isMerged),
);
},
child: ChatMaintainer(
child: Column(
children: [
Expanded(
child: PagedListView<int, Message>(
reverse: true,
pagingController: _pagingController,
builderDelegate: PagedChildBuilderDelegate<Message>(
itemBuilder: (context, item, index) {
bool isMerged = false, hasMerged = false;
if (index > 0) {
hasMerged = getMessageMergeable(_pagingController.itemList?[index - 1], item);
}
if (index + 1 < (_pagingController.itemList?.length ?? 0)) {
isMerged = getMessageMergeable(item, _pagingController.itemList?[index + 1]);
}
return Container(
padding: EdgeInsets.only(
top: !isMerged ? 8 : 0,
bottom: !hasMerged ? 8 : 0,
left: 12,
right: 12,
),
child: ChatMessage(
key: Key('m${item.id}'),
item: item,
underMerged: isMerged,
),
);
},
),
),
),
),
ChatMessageEditor(channel: widget.alias),
],
ChatMessageEditor(channel: widget.alias),
],
),
onNewMessage: (message) => addMessage(message),
),
);
}