107 lines
3.3 KiB
Dart
107 lines
3.3 KiB
Dart
import 'package:flutter/material.dart';
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import '../../bloc/database/database_bloc.dart';
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import '../../models/history/search.dart';
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import '../../objectbox.g.dart';
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import '../components/history/date_divider.dart';
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import '../components/history/kanji_search_item.dart';
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import '../components/history/phrase_search_item.dart';
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import '../components/opaque_box.dart';
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class HistoryView extends StatelessWidget {
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const HistoryView({Key? key}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return BlocBuilder<DatabaseBloc, DatabaseState>(
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builder: (context, state) {
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if (state is DatabaseDisconnected) {
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throw DatabaseNotConnectedException();
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}
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return StreamBuilder<List<Search>>(
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stream: getAsyncStream(state),
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builder: (context, snapshot) {
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if (!snapshot.hasData) {
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return Container();
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}
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final List<Search> data = snapshot.data!;
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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: historyEntrySeparatorWithData(data),
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),
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);
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},
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);
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},
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);
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}
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Stream<List<Search>> getAsyncStream(DatabaseState state) =>
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((state as DatabaseConnected).database.box<Search>().query()
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..order(Search_.timestamp, flags: Order.descending))
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.watch(triggerImmediately: true)
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.map((query) => query.find());
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Widget Function(BuildContext, int) historyEntryWithData(List<Search> data) =>
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(context, index) {
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if (index == 0) {
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return Container();
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}
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final Search search = data[index - 1];
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if (search.isKanji()) {
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return KanjiSearchItem(
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result: search.kanjiQuery.target!,
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timestamp: search.timestamp,
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);
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} else {
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return PhraseSearchItem(
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search: search.wordQuery.target!,
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timestamp: search.timestamp,
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);
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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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EdgeInsets? margin;
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if (index != 0) {
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margin = const EdgeInsets.only(bottom: 10);
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}
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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 DateDivider(text: 'Today', margin: margin);
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else if (searchDate == yesterday)
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return DateDivider(text: 'Yesterday', margin: margin);
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else
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return DateDivider(date: searchDate, margin: margin);
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}
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return const Divider();
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};
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}
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