95 lines
2.9 KiB
Dart
95 lines
2.9 KiB
Dart
import 'package:flutter/material.dart';
|
||
import 'package:get/get.dart';
|
||
import 'package:loopin/IM/im_message.dart';
|
||
import 'package:loopin/IM/im_service.dart';
|
||
import 'package:loopin/utils/index.dart';
|
||
import 'package:tencent_cloud_chat_sdk/models/v2_tim_message.dart';
|
||
|
||
class ChatDetailController extends GetxController {
|
||
final String userID;
|
||
|
||
ChatDetailController({required this.userID});
|
||
final ScrollController chatController = ScrollController();
|
||
|
||
final RxList<V2TimMessage> chatList = <V2TimMessage>[].obs;
|
||
final RxBool isFriend = true.obs;
|
||
final RxInt followType = 0.obs;
|
||
|
||
void updateChatListWithTimeLabels(List<V2TimMessage> originMessages) async {
|
||
final idRes = await ImService.instance.selfUserId();
|
||
if (idRes.success) {
|
||
final selfUserId = idRes.data;
|
||
List<V2TimMessage> displayMessages = [];
|
||
|
||
for (int i = 0; i < originMessages.length; i++) {
|
||
final current = originMessages[i];
|
||
final currentTimestamp = current.timestamp ?? 0;
|
||
|
||
// 判断是否需要给当前这条消息加时间标签
|
||
bool needInsertLabel = false;
|
||
|
||
if (i == originMessages.length - 1) {
|
||
// 最后一条消息，加时间标签
|
||
needInsertLabel = true;
|
||
} else {
|
||
final next = originMessages[i + 1];
|
||
final nextTimestamp = next.timestamp ?? 0;
|
||
final diff = currentTimestamp - nextTimestamp;
|
||
|
||
if (diff > 180) {
|
||
needInsertLabel = true;
|
||
}
|
||
}
|
||
|
||
// if (i == 0) {
|
||
// // 第一条一定插时间
|
||
// needInsertLabel = true;
|
||
// } else {
|
||
// final prev = originMessages[i - 1];
|
||
// final prevTimestamp = prev.timestamp ?? 0;
|
||
// final diff = currentTimestamp - prevTimestamp;
|
||
|
||
// if (diff > 180) {
|
||
// needInsertLabel = true;
|
||
// }
|
||
// }
|
||
// 把当前消息先插入，label后插入
|
||
displayMessages.add(current);
|
||
if (needInsertLabel) {
|
||
final labelTime = Utils.formatChatTime(currentTimestamp);
|
||
final timeLabel = await IMMessage().insertTimeLabel(labelTime, selfUserId);
|
||
displayMessages.add(timeLabel.data);
|
||
}
|
||
}
|
||
// 新加载的记录放在最上面
|
||
chatList.addAll(displayMessages);
|
||
}
|
||
}
|
||
|
||
///滚动
|
||
void scrollToBottom() {
|
||
if (chatController.hasClients) {
|
||
chatController.animateTo(
|
||
0,
|
||
duration: Duration(milliseconds: 200),
|
||
curve: Curves.easeOut,
|
||
);
|
||
}
|
||
// Future.delayed(Duration(milliseconds: 300), () {
|
||
// if (chatController.hasClients) {
|
||
// chatController.animateTo(
|
||
// chatController.position.maxScrollExtent,
|
||
// duration: Duration(milliseconds: 200),
|
||
// curve: Curves.easeOut,
|
||
// );
|
||
// }
|
||
// });
|
||
}
|
||
|
||
@override
|
||
void onClose() {
|
||
chatController.dispose();
|
||
super.onClose();
|
||
}
|
||
}
|