mirror of
https://github.com/inventree/inventree-app.git
synced 2025-04-28 05:26:47 +00:00
106 lines
3.3 KiB
Dart
106 lines
3.3 KiB
Dart
import 'package:flutter/cupertino.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'api.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:sembast/sembast.dart';
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import 'package:sembast/sembast_io.dart';
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import 'package:path/path.dart';
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import 'dart:async';
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/*
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* Class for storing InvenTree preferences in a NoSql DB
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*/
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class InvenTreePreferencesDB {
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static final InvenTreePreferencesDB _singleton = InvenTreePreferencesDB._();
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static InvenTreePreferencesDB get instance => _singleton;
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InvenTreePreferencesDB._();
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Completer<Database> _dbOpenCompleter;
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Future<Database> get database async {
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// If completer is null, AppDatabaseClass is newly instantiated, so database is not yet opened
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if (_dbOpenCompleter == null) {
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_dbOpenCompleter = Completer();
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// Calling _openDatabase will also complete the completer with database instance
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_openDatabase();
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}
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// If the database is already opened, awaiting the future will happen instantly.
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// Otherwise, awaiting the returned future will take some time - until complete() is called
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// on the Completer in _openDatabase() below.
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return _dbOpenCompleter.future;
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}
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Future _openDatabase() async {
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// Get a platform-specific directory where persistent app data can be stored
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final appDocumentDir = await getApplicationDocumentsDirectory();
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print("Documents Dir: ${appDocumentDir.toString()}");
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print("Path: ${appDocumentDir.path}");
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// Path with the form: /platform-specific-directory/demo.db
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final dbPath = join(appDocumentDir.path, 'InvenTreeSettings.db');
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final database = await databaseFactoryIo.openDatabase(dbPath);
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// Any code awaiting the Completer's future will now start executing
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_dbOpenCompleter.complete(database);
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}
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}
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class InvenTreePreferences {
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static const String _SERVER = 'server';
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static const String _USERNAME = 'username';
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static const String _PASSWORD = 'password';
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/* The following settings are not stored to persistent storage,
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* instead they are only used as 'session preferences'.
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* They are kept here as a convenience only.
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*/
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// Expand subcategory list in PartCategory view
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bool expandCategoryList = false;
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// Expand part list in PartCategory view
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bool expandPartList = true;
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// Expand sublocation list in StockLocation view
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bool expandLocationList = false;
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// Expand item list in StockLocation view
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bool expandStockList = true;
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// Ensure we only ever create a single instance of the preferences class
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static final InvenTreePreferences _api = new InvenTreePreferences._internal();
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factory InvenTreePreferences() {
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return _api;
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}
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InvenTreePreferences._internal();
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// Load saved login details, and attempt connection
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void loadLoginDetails(BuildContext context) async {
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print("Loading login details");
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await InvenTreeAPI().connectToServer(context);
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}
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void saveLoginDetails(BuildContext context, String server, String username, String password) async {
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SharedPreferences prefs = await SharedPreferences.getInstance();
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await prefs.setString(_SERVER, server);
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await prefs.setString(_USERNAME, username);
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await prefs.setString(_PASSWORD, password);
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// Reconnect the API
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await InvenTreeAPI().connectToServer(context);
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}
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} |