cake_wallet/lib/src/screens/faq/faq_page.dart

import 'dart:convert';
import 'package:cake_wallet/palette.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:provider/provider.dart';
import 'package:cake_wallet/generated/i18n.dart';
import 'package:cake_wallet/src/stores/settings/settings_store.dart';
import 'package:cake_wallet/src/screens/base_page.dart';

class FaqPage extends BasePage {
  @override
  String get title => S.current.faq;

  @override
  Color get backgroundColor => PaletteDark.historyPanel;

  @override
  Widget body(BuildContext context) {
    return Container(
      color: PaletteDark.historyPanel,
      padding: EdgeInsets.only(top: 12),
      child: Container(
        color: PaletteDark.menuList,
        child: FutureBuilder(
          builder: (context, snapshot) {
            final faqItems = jsonDecode(snapshot.data.toString()) as List;

            return ListView.separated(
              itemBuilder: (BuildContext context, int index) {
                final itemTitle = faqItems[index]["question"].toString();
                final itemChild = faqItems[index]["answer"].toString();

                return ExpansionTile(
                  title: Padding(
                    padding: EdgeInsets.only(left: 8, top: 12, bottom: 12),
                    child: Text(itemTitle),
                  ),
                  backgroundColor: PaletteDark.menuHeader,
                  children: <Widget>[
                    Row(
                      mainAxisAlignment: MainAxisAlignment.start,
                      children: <Widget>[
                        Expanded(
                            child: Container(
                              padding: EdgeInsets.only(left: 24.0, right: 24.0, bottom: 4),
                              child: Text(
                                itemChild,
                              ),
                            ))
                      ],
                    )
                  ],
                );
              },
              separatorBuilder: (_, __) =>
                  Divider(color: PaletteDark.mainBackgroundColor, height: 1.0),
              itemCount: faqItems == null ? 0 : faqItems.length,
            );
          },
          future: rootBundle.loadString(getFaqPath(context)),
        ),
      ),
    );
  }

  String getFaqPath(BuildContext context) {
    final settingsStore = Provider.of<SettingsStore>(context);

    switch (settingsStore.languageCode) {
      case 'en':
        return 'assets/faq/faq_en.json';
      case 'uk':
        return 'assets/faq/faq_uk.json';
      case 'ru':
        return 'assets/faq/faq_ru.json';
      case 'es':
        return 'assets/faq/faq_es.json';
      case 'ja':
        return 'assets/faq/faq_ja.json';
      case 'ko':
        return 'assets/faq/faq_ko.json';
      case 'hi':
        return 'assets/faq/faq_hi.json';
      case 'de':
        return 'assets/faq/faq_de.json';
      case 'zh':
        return 'assets/faq/faq_zh.json';
      case 'pt':
        return 'assets/faq/faq_pt.json';
      case 'pl':
        return 'assets/faq/faq_pl.json';
      case 'nl':
        return 'assets/faq/faq_nl.json';
      default:
        return 'assets/faq/faq_en.json';
    }
  }
}