opt.: mem usage

lib/data/model/app/backup.dart

@@ -6,12 +6,7 @@ import 'package:toolbox/data/model/server/server_private_info.dart';
 import 'package:toolbox/data/model/server/snippet.dart';
 import 'package:toolbox/data/res/logger.dart';
 import 'package:toolbox/data/res/path.dart';
-import 'package:toolbox/data/store/docker.dart';
-import 'package:toolbox/data/store/private_key.dart';
-import 'package:toolbox/data/store/server.dart';
-import 'package:toolbox/data/store/setting.dart';
-import 'package:toolbox/data/store/snippet.dart';
-import 'package:toolbox/locator.dart';
+import 'package:toolbox/data/res/store.dart';
 
 const backupFormatVersion = 1;
 
@@ -62,11 +57,11 @@ class Backup {
   Backup.loadFromStore()
       : version = backupFormatVersion,
         date = DateTime.now().toString().split('.').first,
-        spis = _server.fetch(),
-        snippets = _snippet.fetch(),
-        keys = _privateKey.fetch(),
-        dockerHosts = _dockerHosts.fetchAll(),
-        settings = _setting.toJson();
+        spis = Stores.server.fetch(),
+        snippets = Stores.snippet.fetch(),
+        keys = Stores.key.fetch(),
+        dockerHosts = Stores.docker.fetchAll(),
+        settings = Stores.setting.toJson();
 
   static Future<void> backup() async {
     final result = _diyEncrtpt(json.encode(Backup.loadFromStore()));
@@ -75,18 +70,18 @@ class Backup {
 
   Future<void> restore() async {
     for (final s in snippets) {
-      _snippet.put(s);
+      Stores.snippet.put(s);
     }
     for (final s in spis) {
-      _server.put(s);
+      Stores.server.put(s);
     }
     for (final s in keys) {
-      _privateKey.put(s);
+      Stores.key.put(s);
     }
     for (final k in dockerHosts.keys) {
       final val = dockerHosts[k];
       if (val != null && val is String && val.isNotEmpty) {
-        _dockerHosts.put(k, val);
+        Stores.docker.put(k, val);
       }
     }
   }
@@ -95,12 +90,6 @@ class Backup {
       : this.fromJson(json.decode(_diyDecrypt(raw)));
 }
 
-final _server = locator<ServerStore>();
-final _snippet = locator<SnippetStore>();
-final _privateKey = locator<PrivateKeyStore>();
-final _dockerHosts = locator<DockerStore>();
-final _setting = locator<SettingStore>();
-
 String _diyEncrtpt(String raw) => json.encode(
       raw.codeUnits.map((e) => e * 2 + 1).toList(growable: false),
     );

lib/data/model/server/cpu.dart

@@ -109,8 +109,8 @@ Cpus parseBsdCpu(String raw) {
       .allMatches(raw)
       .map((e) => double.parse(e.group(1) ?? '0') * 100)
       .toList();
-  if (percents.length != 3) return initCpuStatus;
-  return initCpuStatus
+  if (percents.length != 3) return InitStatus.cpus;
+  return InitStatus.cpus
     ..now = [
       OneTimeCpuStatus('cpu', percents[0].toInt(), 0, 0,
           percents[2].toInt() + percents[1].toInt(), 0, 0, 0)

lib/data/model/server/try_limiter.dart

@@ -1,11 +1,10 @@
-import '../../../locator.dart';
-import '../../store/setting.dart';
+import 'package:toolbox/data/res/store.dart';
 
 class TryLimiter {
   final Map<String, int> _triedTimes = {};
 
   bool canTry(String id) {
-    final maxCount = locator<SettingStore>().maxRetryCount.fetch();
+    final maxCount = Stores.setting.maxRetryCount.fetch();
     if (maxCount <= 0) {
       return true;
     }