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:math';
+
+import 'package:collection/collection.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_openim_sdk/flutter_openim_sdk.dart';
+import 'package:get/get.dart';
+import 'package:openim_common/openim_common.dart';
+
+import '../../../routes/app_navigator.dart';
+import '../../conversation/conversation_logic.dart';
+import '../select_contacts/select_contacts_logic.dart';
+
+class CreateGroupLogic extends GetxController {
+  final conversationLogic = Get.find<ConversationLogic>();
+  final nameCtrl = TextEditingController();
+  final checkedList = <UserInfo>[];
+  final defaultCheckedList = <UserInfo>[];
+  final allList = <UserInfo>[].obs;
+  final faceURL = ''.obs;
+
+  @override
+  void onInit() {
+    defaultCheckedList.addAll(Get.arguments['defaultCheckedList']);
+    checkedList.addAll(Get.arguments['checkedList']);
+    allList.addAll(defaultCheckedList);
+    allList.addAll(checkedList);
+    super.onInit();
+  }
+
+  String get groupName {
+    String name = nameCtrl.text.trim();
+    if (name.isEmpty) {
+      int limit = min(allList.length, 3);
+      name = allList.sublist(0, limit).map((e) => e.nickname).join('、');
+    }
+    return name;
+  }
+
+  completeCreation() async {
+    if (allList.length > 1) {
+      var info = await LoadingView.singleton.wrap(
+        asyncFunction: () => OpenIM.iMManager.groupManager.createGroup(
+          groupInfo: GroupInfo(
+            groupID: '',
+            groupName: groupName,
+            faceURL: faceURL.value,
+            groupType: GroupType.work,
+          ),
+          memberUserIDs: allList.where((e) => e.userID != OpenIM.iMManager.userID).map((e) => e.userID!).toList(),
+        ),
+      );
+      conversationLogic.toChat(
+        offUntilHome: true,
+        groupID: info.groupID,
+        nickname: groupName,
+        faceURL: faceURL.value,
+        sessionType: info.sessionType,
+      );
+    } else {
+      conversationLogic.toChat(
+        offUntilHome: true,
+        userID: checkedList.firstOrNull?.userID,
+        nickname: checkedList.firstOrNull?.nickname,
+        faceURL: checkedList.firstOrNull?.faceURL,
+        sessionType: ConversationType.single,
+      );
+    }
+  }
+
+  void selectAvatar() {
+    IMViews.openPhotoSheet(onData: (path, url) {
+      if (url != null) faceURL.value = url;
+    });
+  }
+
+  int length() {
+    return (allList.length + 2) > 10 ? 10 : (allList.length + 2);
+  }
+
+  Widget itemBuilder({
+    required int index,
+    required Widget Function(UserInfo info) builder,
+    required Widget Function() addButton,
+    required Widget Function() delButton,
+  }) {
+    if (allList.length > 8) {
+      if (index < 8) {
+        var info = allList.elementAt(index);
+        return builder(info);
+      } else if (index == 8) {
+        return addButton();
+      } else {
+        return delButton();
+      }
+    } else {
+      if (index < allList.length) {
+        var info = allList.elementAt(index);
+        return builder(info);
+      } else if (index == allList.length) {
+        return addButton();
+      } else {
+        return delButton();
+      }
+    }
+  }
+
+  @override
+  void onClose() {
+    nameCtrl.dispose();
+    super.onClose();
+  }
+
+  void opMember({bool isDel = false}) async {
+    final result = await AppNavigator.startSelectContacts(
+      action: SelAction.addMember,
+      checkedList: checkedList,
+      defaultCheckedIDList: defaultCheckedList.map((e) => e.userID!).toList(),
+      openSelectedSheet: isDel,
+    );
+    final list = IMUtils.convertSelectContactsResultToUserInfo(result);
+    if (list is List<UserInfo>) {
+      checkedList
+        ..clear()
+        ..addAll(list);
+      allList
+        ..assignAll(defaultCheckedList)
+        ..addAll(list);
+    }
+  }
+}