Clean/lib/module/people_photo/photo_group.dart

import 'package:get/get.dart';
import 'package:wechat_assets_picker/wechat_assets_picker.dart';

class PhotoGroup {
  // 照片组的标题
  final String title;

  // 照片组中的图片数量
  final int imageCount;
  // 照片组的选择状态
  final RxBool isSelected;

  // 照片组中的图片列表
  final List<AssetEntity> images;

  // 每张图片的选择状态
  final RxList<bool> selectedImages;

  // 照片组的位置
  final RxString? location;

  int get selectedCount => selectedImages.where((selected) => selected).length;

  PhotoGroup({
    required this.imageCount,
    required this.title,
    required bool isSelected,
    required this.images,
    this.location,
  })  : isSelected = isSelected.obs,
        selectedImages = List.generate(images.length, (_) => isSelected).obs;

  void toggleSelectAll(bool value) {
    isSelected.value = value;
    selectedImages.assignAll(List.generate(images.length, (_) => value));
  }
}