zapstore/lib/utils/system_info.dart

import 'package:android_package_manager/android_package_manager.dart';
import 'package:device_info_plus/device_info_plus.dart';
import 'package:flutter_data/flutter_data.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:system_info2/system_info2.dart';
import 'package:zapstore/main.dart';
import 'package:zapstore/main.data.dart';
import 'package:zapstore/utils/extensions.dart';

final deviceInfoPlugin = DeviceInfoPlugin();
final packageManager = AndroidPackageManager();

class SystemInfo {
  final AndroidDeviceInfo androidInfo;
  final PackageInfo zsInfo;
  final Map<String, int> dbInfo;

  SystemInfo({
    required this.androidInfo,
    required this.zsInfo,
    required this.dbInfo,
  });

  @override
  String toString() {
    return '''
Version name: ${zsInfo.versionName}
Version code: ${zsInfo.versionCode}
DB version: $kDbVersion
SDK version: ${androidInfo.version.sdkInt}
Device: ${androidInfo.brand} ${androidInfo.device} (${androidInfo.hardware})
Display: ${androidInfo.display}
Model: ${androidInfo.manufacturer} ${androidInfo.model} ${androidInfo.product}
Host: ${androidInfo.host}
Supported ABIs: ${androidInfo.supported64BitAbis}

DB: $dbInfo

Free/total memory: ${SysInfo.getFreePhysicalMemory() ~/ (1024 * 1024)}/${SysInfo.getTotalPhysicalMemory() ~/ (1024 * 1024)} MB
Free/total virtual: ${SysInfo.getFreeVirtualMemory() ~/ (1024 * 1024)}/${SysInfo.getTotalVirtualMemory() ~/ (1024 * 1024)} MB
Low RAM device? ${androidInfo.isLowRamDevice}
''';
  }
}

class SystemInfoNotifier extends StateNotifier<AsyncValue<SystemInfo>> {
  final Ref ref;

  SystemInfoNotifier(this.ref) : super(AsyncLoading()) {
    fetch();
  }

  Future<SystemInfo> fetch() async {
    final zsInfo = await packageManager.getPackageInfo(
        packageName: kZapstoreAppIdentifier);
    final dbInfo = {
      'apps': ref.apps.countLocal,
      'releases': ref.releases.countLocal,
      'metadata': ref.fileMetadata.countLocal,
    };

    final info = SystemInfo(
      androidInfo: await deviceInfoPlugin.androidInfo,
      zsInfo: zsInfo!,
      dbInfo: dbInfo,
    );

    state = AsyncData(info);
    return info;
  }
}

final systemInfoNotifierProvider =
    StateNotifierProvider<SystemInfoNotifier, AsyncValue<SystemInfo>>(
        SystemInfoNotifier.new);