feat(mobile-next): 导入官方 openim-flutter-demo 固定基线 3.8.3-patch.3 并完成双构建

- 上游: github.com/OpenIMSDK/openim-flutter-demo tag 3.8.3-patch.3 commit b3dfdb1e8aaeaaf6f0793e10cadd20d5c184a31f - 并行目录 mobile-next/ 原样导入（含 LICENSE），不覆盖现网 mobile/ - 锁定 Flutter 3.24.5 / Dart 3.5.4 / JDK 17 / Gradle 7.6.3 / AGP 7.3.1 - 实测 Android debug 与 release 构建均成功（见 docs/mobile-next-baseline-import.md） - 本提交可单独回退：git revert 1db1229（重写前） Co-authored-by: multica-agent <github@multica.ai>
2026-08-19 15:24:33 +08:00
parent fa8584a73f
commit 8046ec7483
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+import 'dart:convert';
+
+import 'package:collection/collection.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_openim_sdk/flutter_openim_sdk.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:get/get.dart';
+import 'package:pull_to_refresh_new/pull_to_refresh.dart';
+
+import '../../../core/controller/im_controller.dart';
+
+class OANotificationLogic extends GetxController {
+  late ConversationInfo info;
+  var messageList = <Message>[].obs;
+  final pageSize = 40;
+  final refreshController = RefreshController(initialRefresh: false);
+  final imLogic = Get.find<IMController>();
+  int? lastMinSeq;
+  bool _isFirstLoad = false;
+
+  @override
+  void onInit() {
+    info = Get.arguments;
+
+    imLogic.onRecvNewMessage = (Message message) {
+      if (message.contentType == MessageType.oaNotification) {
+        if (!messageList.contains(message)) messageList.add(message);
+      }
+    };
+    super.onInit();
+  }
+
+  @override
+  void onReady() {
+    loadNotification();
+    super.onReady();
+  }
+
+ void loadNotification() async {
+    final result = await OpenIM.iMManager.messageManager.getAdvancedHistoryMessageList(
+      conversationID: info.conversationID,
+      count: 200,
+      startMsg: _isFirstLoad ? null : messageList.firstOrNull,
+    );
+    if (result.messageList == null || result.messageList!.isEmpty) {
+      return refreshController.loadNoData();
+    }
+    final list = result.messageList!;
+    lastMinSeq = result.lastMinSeq;
+
+    if (_isFirstLoad) {
+      _isFirstLoad = false;
+      messageList.assignAll(list);
+    } else {
+      messageList.insertAll(0, list);
+    }
+    if (result.isEnd == true) {
+      refreshController.loadNoData();
+    } else {
+      refreshController.loadComplete();
+    }
+  }
+
+  OANotification parse(Message message) => OANotification.fromJson(json.decode(message.notificationElem!.detail!));
+
+  Size calSize(OANotification oa, double w, double h) {
+    final width = 50.w;
+
+    final height = width * h / w;
+    print('----${oa.videoElem?.snapshotWidth}---width:$width');
+    print('----${oa.videoElem?.snapshotHeight}---height:$height');
+    return Size(width, height);
+  }
+}