124 lines
3.8 KiB
Dart
124 lines
3.8 KiB
Dart
import 'package:flutter/material.dart';
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import '../components/common/loading.dart';
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import '../components/common/opaque_box.dart';
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import '../components/history/date_divider.dart';
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import '../components/history/kanji_box.dart';
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import '../components/history/search_item.dart';
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import '../models/history/search.dart';
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import '../routing/routes.dart';
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class HistoryView extends StatelessWidget {
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const HistoryView({Key? key}) : super(key: key);
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Database get _db => GetIt.instance.get<Database>();
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Stream<Map<int, Search>> get searchStream => Search.store
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.query(finder: Finder(sortOrders: [SortOrder('timestamp', false)]))
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.onSnapshots(_db)
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.map(
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(snapshot) => Map.fromEntries(
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snapshot.where((snap) => snap.value != null).map(
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(snap) => MapEntry(
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snap.key,
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Search.fromJson(snap.value! as Map<String, Object?>),
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),
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),
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),
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);
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@override
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Widget build(BuildContext context) {
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return StreamBuilder<Map<int, Search>>(
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stream: searchStream,
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builder: (context, snapshot) {
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if (!snapshot.hasData) return const LoadingScreen();
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final Map<int, Search> data = snapshot.data!;
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if (data.isEmpty)
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return const Center(
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child: Text('The history is empty.\nTry searching for something!'),
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);
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return OpaqueBox(
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child: ListView.separated(
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itemCount: data.length + 1,
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itemBuilder: historyEntryWithData(data),
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separatorBuilder:
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historyEntrySeparatorWithData(data.values.toList()),
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),
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);
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},
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);
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}
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Widget Function(BuildContext, int) historyEntryWithData(
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Map<int, Search> data,
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) =>
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(context, index) {
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if (index == 0) return const SizedBox.shrink();
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final Search search = data.values.toList()[index - 1];
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final int objectKey = data.keys.toList()[index - 1];
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late final Widget child;
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late final void Function() onTap;
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if (search.isKanji) {
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child = KanjiBox(kanji: search.kanjiQuery!.kanji);
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onTap = () => Navigator.pushNamed(
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context,
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Routes.kanjiSearch,
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arguments: search.kanjiQuery!.kanji,
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);
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} else {
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child = Text(search.wordQuery!.query);
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onTap = () => Navigator.pushNamed(
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context,
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Routes.search,
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arguments: search.wordQuery!.query,
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);
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}
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return SearchItem(
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time: search.timestamp,
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search: child,
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objectKey: objectKey,
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onTap: onTap,
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onDelete: () => build(context),
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);
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};
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DateTime roundToDay(DateTime date) =>
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DateTime(date.year, date.month, date.day);
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bool dateChangedFromLastSearch(Search prevSearch, DateTime searchDate) {
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final DateTime prevSearchDate = roundToDay(prevSearch.timestamp);
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return prevSearchDate != searchDate;
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}
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DateTime get today => roundToDay(DateTime.now());
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DateTime get yesterday =>
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roundToDay(DateTime.now().subtract(const Duration(days: 1)));
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Widget Function(BuildContext, int) historyEntrySeparatorWithData(
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List<Search> data,
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) =>
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(context, index) {
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final Search search = data[index];
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final DateTime searchDate = roundToDay(search.timestamp);
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if (index == 0 ||
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dateChangedFromLastSearch(data[index - 1], searchDate)) {
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if (searchDate == today)
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return const DateDivider(text: 'Today');
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else if (searchDate == yesterday)
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return const DateDivider(text: 'Yesterday');
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else
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return DateDivider(date: searchDate);
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}
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return const Divider(height: 0);
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};
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}
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