tajniak81
71 lines
2.4 KiB
Dart
71 lines
2.4 KiB
Dart
import "package:flutter/material.dart";
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import "package:shared_preferences/shared_preferences.dart";
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import "models.dart";
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/// App-wide appearance preferences (theme / locale / date format / font size),
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/// mirroring the web app's prefs.js. Persisted to SharedPreferences so the
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/// chosen theme survives a restart before /api/me loads, and exposed as a
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/// ChangeNotifier so MaterialApp and date formatting react to changes.
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class AppSettings extends ChangeNotifier {
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static const _kTheme = "cc_theme";
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static const _kLocale = "cc_locale";
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static const _kDateFormat = "cc_dateFormat";
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static const _kFontSize = "cc_fontSize";
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String theme = "system"; // light | dark | system
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String locale = "en-US";
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String dateFormat = "YMD"; // YMD | DMY_NUM | DMY | MDY
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String fontSize = "medium"; // small | medium | large
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Future<void> loadFromStorage() async {
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final prefs = await SharedPreferences.getInstance();
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theme = prefs.getString(_kTheme) ?? theme;
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locale = prefs.getString(_kLocale) ?? locale;
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dateFormat = prefs.getString(_kDateFormat) ?? dateFormat;
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fontSize = prefs.getString(_kFontSize) ?? fontSize;
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notifyListeners();
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}
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Future<void> _persist() async {
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final prefs = await SharedPreferences.getInstance();
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await prefs.setString(_kTheme, theme);
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await prefs.setString(_kLocale, locale);
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await prefs.setString(_kDateFormat, dateFormat);
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await prefs.setString(_kFontSize, fontSize);
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}
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/// Sync from a freshly fetched profile (login, boot, settings saves).
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void applyFromProfile(UserProfile p) {
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theme = p.theme;
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locale = p.locale;
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dateFormat = p.dateFormat;
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fontSize = p.fontSize;
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_persist();
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notifyListeners();
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}
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/// Optimistically apply a single changed field (used by Settings so the UI
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/// reacts instantly while the PATCH is in flight).
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void patch({String? theme, String? locale, String? dateFormat, String? fontSize}) {
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if (theme != null) this.theme = theme;
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if (locale != null) this.locale = locale;
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if (dateFormat != null) this.dateFormat = dateFormat;
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if (fontSize != null) this.fontSize = fontSize;
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_persist();
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notifyListeners();
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}
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ThemeMode get themeMode => switch (theme) {
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"light" => ThemeMode.light,
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"dark" => ThemeMode.dark,
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_ => ThemeMode.system,
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};
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double get textScale => switch (fontSize) {
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"small" => 0.9375,
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"large" => 1.125,
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_ => 1.0,
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};
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}
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