102 lines
2.5 KiB
Dart
102 lines
2.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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class SinglePreference {
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String slug;
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String name;
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String description;
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int value;
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int minVal;
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int maxVal;
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Icon icon;
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SinglePreference({
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required this.slug,
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required this.name,
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required this.description,
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required this.value,
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required this.icon,
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this.minVal = 0,
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this.maxVal = 5,
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});
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void save() async {
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SharedPreferences sharedPrefs = await SharedPreferences.getInstance();
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sharedPrefs.setInt('pref_$slug', value);
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}
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void load() async {
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SharedPreferences sharedPrefs = await SharedPreferences.getInstance();
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value = sharedPrefs.getInt('pref_$slug') ?? minVal;
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}
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}
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class UserPreferences {
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SinglePreference sightseeing = SinglePreference(
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name: "Sightseeing",
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slug: "sightseeing",
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description: "How much do you like sightseeing?",
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value: 0,
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icon: Icon(Icons.church),
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);
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SinglePreference shopping = SinglePreference(
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name: "Shopping",
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slug: "shopping",
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description: "How much do you like shopping?",
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value: 0,
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icon: Icon(Icons.shopping_bag),
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);
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SinglePreference nature = SinglePreference(
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name: "Nature",
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slug: "nature",
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description: "How much do you like nature?",
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value: 0,
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icon: Icon(Icons.landscape),
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);
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SinglePreference maxTime = SinglePreference(
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name: "Trip duration",
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slug: "duration",
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description: "How long do you want your trip to be?",
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value: 30,
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minVal: 30,
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maxVal: 720,
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icon: Icon(Icons.timer),
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);
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SinglePreference maxDetour = SinglePreference(
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name: "Trip detours",
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slug: "detours",
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description: "Are you okay with roaming even if makes the trip longer?",
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value: 0,
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maxVal: 30,
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icon: Icon(Icons.loupe_sharp),
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);
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Future<void> load() async {
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for (SinglePreference pref in [sightseeing, shopping, nature, maxTime, maxDetour]) {
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pref.load();
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}
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}
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Map<String, dynamic> toJson() {
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// This is "opinionated" JSON, corresponding to the backend's expectations
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return {
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"sightseeing": {"type": "sightseeing", "score": sightseeing.value},
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"shopping": {"type": "shopping", "score": shopping.value},
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"nature": {"type": "nature", "score": nature.value},
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"max_time_minute": maxTime.value,
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"detour_tolerance_minute": maxDetour.value
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};
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}
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}
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Future<UserPreferences> loadUserPreferences() async {
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UserPreferences prefs = UserPreferences();
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await prefs.load();
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return prefs;
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} |