Adds shared preferences for config/theme storage + refactors a streamstate

1 files changed, 51 insertions, 0 deletions

diff --git a/lib/data/config.dart b/lib/data/config.dart
new file mode 100644
index 0000000..0dd33cd
--- /dev/null
+++ b/lib/data/config.dart
@@ -0,0 +1,51 @@
+import 'package:shared_preferences/shared_preferences.dart';
+import 'dart:async';
+
+String defaultTheme = 'dark';
+
+class Config {
+  String theme = defaultTheme;
+  Config({ this.theme }) {}
+
+  bool isDarkMode() {
+    return theme == 'dark';
+  }
+}
+
+StreamController<Config> config_$ = StreamController<Config>.broadcast();
+
+Future<Config> getConfig() async {
+  final prefs = await SharedPreferences.getInstance();
+
+  return Config(
+    theme: prefs.getString('theme'),
+  );
+}
+
+void initConfig() async {
+  Config c = await getConfig();
+  config_$.add(c);
+}
+
+Stream<Config> getConfig$() {
+  return config_$.stream;
+}
+
+void setConfig(Config config) async {
+  final prefs = await SharedPreferences.getInstance();
+  
+  prefs.setString('theme', config.theme);
+
+  config_$.add(await getConfig());
+}
+
+void toggleTheme() async {
+  final config = await getConfig();
+
+  if (config.theme == 'dark') {
+    setConfig(Config(theme: 'light'));
+  } else {
+    setConfig(Config(theme: 'dark'));
+  }
+}
+