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Merge pull request #20 from OctagonalStar/feat/WebDAV_Sync
添加WebDav数据备份恢复
2 parents b556a05 + 449aa48 commit b85c1de

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10 files changed

+551
-93
lines changed

10 files changed

+551
-93
lines changed

‎lib/funcs/sync.dart‎

Lines changed: 98 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,98 @@
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import 'dart:convert';
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import 'dart:typed_data' show Uint8List;
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import 'package:flutter/material.dart';
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import 'package:webdav_client/webdav_client.dart';
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import 'package:arabic_learning/package_replacement/storage.dart' show SharedPreferences;
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class WebDAV {
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String uri;
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String user;
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String password;
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WebDAV({required this.uri, required this.user, required this.password});
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bool isReachable = false;
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bool isReadable = false;
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bool isWriteable = false;
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late Client client;
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static Future<List<dynamic>> test(String uri, String user, {String password = ''}) async {
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Client tempClient = newClient(
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uri,
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user: user,
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password: password
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);
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try{
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tempClient.setHeaders(
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{
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'accept-charset': 'utf-8',
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'Content-Type': 'text/xml',
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},
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);
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tempClient.setConnectTimeout(8000);
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tempClient.setSendTimeout(60000);
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tempClient.setReceiveTimeout(60000);
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} catch (e) {
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return [false, false, "base setting error: $e"];
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}
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try{
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await tempClient.ping(); // test for connection
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} catch (e) {
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return [false, false, "remote server didn't response: $e"];
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}
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try {
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await tempClient.readDir('/'); // test for read
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} catch (e) {
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return [true, false, 'no read access: $e'];
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}
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try{
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await tempClient.write("TestFile", Uint8List(64)); // test for write
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await tempClient.remove("TestFile");
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} catch (e) {
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return [true, false, 'no write access: $e'];
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}
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return [true, true, 'ok'];
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}
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Future<void> connect() async {
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try{
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client = newClient(
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uri,
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user: user,
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password: password
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);
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client.setHeaders({'accept-charset': 'utf-8'});
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client.setConnectTimeout(8000);
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client.setSendTimeout(8000);
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client.setReceiveTimeout(8000);
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await client.ping(); // test for connection
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isReachable = true;
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await client.readDir(''); // test for read
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isReadable = true;
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await client.write("TestFile", Uint8List(64)); // test for write
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isWriteable = true;
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await client.remove("TestFile");
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} catch (e) {
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debugPrint(e.toString());
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}
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}
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Future<bool> upload(SharedPreferences pref,{bool force = false}) async {
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if(isWriteable || force) {
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await client.write("arabic_learning.bak", utf8.encode(jsonEncode(pref.export())));
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return true;
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}
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return false;
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}
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Future<bool> download(SharedPreferences pref,{bool force = false}) async {
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if(isReadable || force) {
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Map<String, dynamic> file = jsonDecode(utf8.decode(await client.read("arabic_learning.bak")));
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pref.recovery(file);
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return true;
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}
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return false;
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}
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}

‎lib/package_replacement/storage.dart‎

Lines changed: 24 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -7,8 +7,9 @@ class SharedPreferences {
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late bool type; // true: shpr ; false: indexDB
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late idb.IdbFactory idbFactory;
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late idb.Database db;
10-
Map<String, dynamic> dbCache = {}; // 使用缓存避免异步加载
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late shpr.SharedPreferences prefs;
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static const List<String> usedKeys = ["settingData", "wordData", "fsrsData"]; // ! change this whenever add new setting key !
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Map<String, dynamic> dbCache = {}; // 使用缓存避免异步加载
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static Future<SharedPreferences> getInstance() async {
1314
SharedPreferences rt = SharedPreferences();
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if(kIsWeb) {
@@ -24,9 +25,9 @@ class SharedPreferences {
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);
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var txn = rt.db.transaction("data", "readonly");
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var store = txn.objectStore("data");
27-
rt.dbCache["settingData"] = await store.getObject("settingData");
28-
rt.dbCache["wordData"] = await store.getObject("wordData");
29-
rt.dbCache["fsrsData"] = await store.getObject("fsrsData");
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for(String keyName in usedKeys) {
29+
rt.dbCache[keyName] = await store.getObject(keyName);
30+
}
3031
rt.type = false;
3132
} catch (e) {
3233
// print("FallBack to shpr $e");
@@ -82,4 +83,23 @@ class SharedPreferences {
8283
return false;
8384
}
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}
86+
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Map<String, dynamic> export() {
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if(type) {
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Map<String, dynamic> overall = {};
90+
for(String keyName in usedKeys){
91+
overall[keyName] = prefs.getString(keyName);
92+
}
93+
return overall;
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} else {
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return dbCache;
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}
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}
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void recovery(Map<String, dynamic> backup) {
100+
if(!type) dbCache = {}; // create a new instance
101+
for(String keyName in usedKeys) {
102+
setString(keyName, backup[keyName]);
103+
}
104+
}
85105
}

‎lib/pages/setting_page.dart‎

Lines changed: 44 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -5,6 +5,7 @@ import 'package:arabic_learning/sub_pages_builder/setting_pages/data_download_pa
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import 'package:arabic_learning/sub_pages_builder/setting_pages/item_widget.dart';
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import 'package:arabic_learning/sub_pages_builder/setting_pages/model_download_page.dart' show ModelDownload;
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import 'package:arabic_learning/sub_pages_builder/setting_pages/questions_setting_page.dart' show QuestionsSettingLeadingPage;
8+
import 'package:arabic_learning/sub_pages_builder/setting_pages/sync_page.dart' show DataSyncPage;
89
import 'package:arabic_learning/vars/global.dart';
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import 'package:flutter/foundation.dart' show kIsWeb;
1011
import 'package:file_picker/file_picker.dart';
@@ -22,23 +23,36 @@ class SettingPage extends StatefulWidget {
2223
class _SettingPage extends State<SettingPage> {
2324
@override
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Widget build(BuildContext context) {
25-
final mediaQuery = MediaQuery.of(context);
2626
return Consumer<Global>(
2727
builder: (context, value, child) {
2828
var setting = value.settingData;
2929
return ListView(
3030
children: [
31-
settingItem(context, mediaQuery, regularSetting(mediaQuery, context, setting), "常规设置"),
32-
settingItem(context, mediaQuery, dataSetting(mediaQuery, context, setting), "学习设置", withPadding: false),
33-
settingItem(context, mediaQuery, audioSetting(mediaQuery, context, setting), "音频设置", withPadding: false),
34-
settingItem(context, mediaQuery, aboutSetting(mediaQuery, context, setting), "关于", withPadding: false),
31+
SettingItem(
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title: "常规设置",
33+
padding: EdgeInsets.all(8.0),
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children: regularSetting(context, setting),
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),
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SettingItem(
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title: "学习设置",
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children: dataSetting(context, setting),
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),
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SettingItem(
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title: "音频设置",
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children: audioSetting(context, setting),
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),
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SettingItem(
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title: "关于",
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children: aboutSetting(context, setting),
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),
3548
],
3649
);
3750
},
3851
);
3952
}
4053

41-
List<Widget> regularSetting(MediaQueryData mediaQuery, BuildContext context, Map<String, dynamic> setting) {
54+
List<Widget> regularSetting(BuildContext context, Map<String, dynamic> setting) {
55+
MediaQueryData mediaQuery = MediaQuery.of(context);
4256
return [
4357
Row(
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children: [
@@ -117,7 +131,8 @@ class _SettingPage extends State<SettingPage> {
117131
];
118132
}
119133

120-
List<Widget> dataSetting(MediaQueryData mediaQuery, BuildContext context, Map<String, dynamic> setting) {
134+
List<Widget> dataSetting(BuildContext context, Map<String, dynamic> setting) {
135+
MediaQueryData mediaQuery = MediaQuery.of(context);
121136
return [
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Column(
123138
children: [
@@ -268,11 +283,29 @@ class _SettingPage extends State<SettingPage> {
268283
Icon(Icons.arrow_forward_ios)
269284
],
270285
)
271-
)
286+
),
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ElevatedButton(
288+
style: ElevatedButton.styleFrom(
289+
minimumSize: Size.fromHeight(mediaQuery.size.height * 0.08),
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backgroundColor: Theme.of(context).colorScheme.onPrimary.withAlpha(150),
291+
shape: RoundedRectangleBorder(borderRadius: BorderRadiusGeometry.vertical(bottom: Radius.circular(25.0)))
292+
),
293+
onPressed: (){
294+
Navigator.of(context).push(MaterialPageRoute(builder: (context) => DataSyncPage()));
295+
},
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child: Row(
297+
children: [
298+
Icon(Icons.sync),
299+
Expanded(child: Text("数据备份及同步")),
300+
Icon(Icons.arrow_forward_ios)
301+
],
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)
303+
),
272304
];
273305
}
274306

275-
List<Widget> audioSetting(MediaQueryData mediaQuery, BuildContext context, Map<String, dynamic> setting) {
307+
List<Widget> audioSetting(BuildContext context, Map<String, dynamic> setting) {
308+
MediaQueryData mediaQuery = MediaQuery.of(context);
276309
var set = context.read<Global>().settingData;
277310
return [
278311
Column(
@@ -374,7 +407,8 @@ class _SettingPage extends State<SettingPage> {
374407
];
375408
}
376409

377-
List<Widget> aboutSetting(MediaQueryData mediaQuery, BuildContext context, Map<String, dynamic> setting) {
410+
List<Widget> aboutSetting(BuildContext context, Map<String, dynamic> setting) {
411+
MediaQueryData mediaQuery = MediaQuery.of(context);
378412
return [
379413
ElevatedButton(
380414
style: ElevatedButton.styleFrom(

‎lib/sub_pages_builder/learning_pages/learning_pages_build.dart‎

Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,3 @@
1-
import 'dart:convert';
21
import 'dart:math';
32

43
import 'package:arabic_learning/funcs/ui.dart';

‎lib/sub_pages_builder/setting_pages/data_download_page.dart‎

Lines changed: 5 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -12,7 +12,6 @@ class DownloadPage extends StatelessWidget {
1212
const DownloadPage({super.key});
1313
@override
1414
Widget build(BuildContext context) {
15-
final mediaQuery = MediaQuery.of(context);
1615
return Scaffold(
1716
appBar: AppBar(
1817
title: Text("下载在线词库"),
@@ -27,7 +26,11 @@ class DownloadPage extends StatelessWidget {
2726
}
2827
return ListView(
2928
children: [
30-
settingItem(context, mediaQuery, snapshot.data!, "来自 Github @${StaticsVar.onlineDictOwner} 学长的词库 (在此表示感谢)")
29+
SettingItem(
30+
title: "来自 Github @${StaticsVar.onlineDictOwner} 学长的词库 (在此表示感谢)",
31+
padding: EdgeInsets.all(8.0),
32+
children: snapshot.data!,
33+
)
3134
],
3235
);
3336
}

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