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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,5 +1,6 @@ | ||
| { | ||
| "files.associations": { | ||
| "ostream": "cpp" | ||
| } | ||
| }, | ||
| "java.compile.nullAnalysis.mode": "disabled" | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| // This source code is a part of Project Violet. | ||
| // Copyright (C) 2020-2023. violet-team. Licensed under the Apache-2.0 License. | ||
|
|
||
| import 'dart:io'; | ||
|
|
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| import 'package:flutter/material.dart'; | ||
| import 'package:path_provider/path_provider.dart'; | ||
| import 'package:sqflite_common_ffi/sqflite_ffi.dart'; | ||
| import 'package:sqflite/sqflite.dart'; | ||
| import 'package:flutter/services.dart'; | ||
|
|
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| class SettingsManager { | ||
| String? dbPath; | ||
| Database? db; | ||
| static SettingsManager? _instance; | ||
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| SettingsManager({this.dbPath}); | ||
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| static SettingsManager create(String dbPath) { | ||
| return SettingsManager(dbPath: dbPath); | ||
| } | ||
|
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| @protected | ||
| @mustCallSuper | ||
| void dispose() async { | ||
| print('close: ${dbPath!}'); | ||
| if (db != null) db!.close(); | ||
| } | ||
|
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| static Future<SettingsManager> getInstance() async { | ||
| if (_instance == null) { | ||
| var home = ''; | ||
| if(Platform.isLinux){ | ||
| Platform.environment.forEach((key, value) => { | ||
| if(key == 'HOME'){ | ||
| home = value | ||
| } | ||
| }); | ||
| } | ||
| var dbPath = (Platform.isLinux) | ||
| ? '${home}/.violet/settings.db' | ||
| : ''; | ||
| if(!(await File(dbPath).exists())){ | ||
| await File(dbPath).create(recursive: true); | ||
| final sharedLibraryPath = 'assets/db/null.db'; | ||
| final sharedLibraryContent = await rootBundle.load(sharedLibraryPath); | ||
|
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| final libraryFile = File('${dbPath}'); | ||
| final createdFile = await libraryFile.create(); | ||
| final openFile = await createdFile.open(mode: FileMode.write); | ||
| final writtenFile = | ||
| await openFile.writeFrom(Uint8List.view(sharedLibraryContent.buffer)); | ||
| await writtenFile.close(); | ||
|
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|
|
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| } | ||
| _instance = create(dbPath); | ||
| await _instance!.open(); | ||
| } | ||
| return _instance!; | ||
| } | ||
|
|
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| static Future<void> reloadInstance() async { | ||
| var home = ''; | ||
| if(Platform.isLinux){ | ||
| Platform.environment.forEach((key, value) => { | ||
| if(key == 'HOME'){ | ||
| home = value | ||
| } | ||
| }); | ||
| } | ||
| var dbPath = (Platform.isLinux) | ||
| ? '${home}/.violet/settings.db' | ||
| : ''; | ||
| _instance = create(dbPath); | ||
| } | ||
|
|
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| Future open() async { | ||
| db ??= await openDatabase(dbPath!); | ||
| } | ||
|
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| Future checkOpen() async { | ||
| if(db != null){ | ||
| if (!db!.isOpen) db = await openDatabase(dbPath!); | ||
| } else if(db == null){ | ||
| db = await openDatabase(dbPath!); | ||
| } | ||
| } | ||
|
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| Future<List<Map<String, dynamic>>> query(String str) async { | ||
| List<Map<String, dynamic>> result = []; | ||
| await checkOpen(); | ||
| result = await db!.rawQuery(str); | ||
| return result; | ||
| } | ||
|
|
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| Future<void> execute(String str) async { | ||
| await checkOpen(); | ||
| await db!.execute(str); | ||
| } | ||
|
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| Future<int> insert(String name, Map<String, dynamic> wh) async { | ||
| int result = -1; | ||
| await checkOpen(); | ||
| result = await db!.insert(name, wh); | ||
| return result; | ||
| } | ||
|
|
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| Future<void> update(String name, Map<String, dynamic> wh, String where, | ||
| List<dynamic> args) async { | ||
| await checkOpen(); | ||
| await db!.update(name, wh, where: where, whereArgs: args); | ||
| } | ||
|
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| Future<void> swap(String name, String key, String what, int key1, int key2, | ||
| int s1, int s2) async { | ||
| await checkOpen(); | ||
| await db!.transaction((txn) async { | ||
| await txn.rawUpdate('UPDATE $name SET $what=? WHERE $key=?', [s2, key1]); | ||
| await txn.rawUpdate('UPDATE $name SET $what=? WHERE $key=?', [s1, key2]); | ||
| }); | ||
| } | ||
|
|
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| Future<void> delete(String name, String where, List<dynamic> args) async { | ||
| await checkOpen(); | ||
| await db!.delete(name, where: where, whereArgs: args); | ||
| } | ||
| } |
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