55 lines
1.6 KiB
Dart
55 lines
1.6 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:release_schedule/model/delayed_function_caller.dart';
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import 'package:release_schedule/model/movie.dart';
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import 'package:release_schedule/model/movie_manager.dart';
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class LiveSearch extends ChangeNotifier {
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String searchTerm = "";
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List<MovieData> searchResults = [];
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Duration minTimeBetweenRequests = const Duration(milliseconds: 200);
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late final DelayedFunctionCaller _searchCaller;
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final MovieManager manager;
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bool searchingOnline = false;
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LiveSearch(this.manager) {
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_searchCaller = DelayedFunctionCaller(searchOnline, minTimeBetweenRequests);
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}
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void updateSearch(String search) {
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searchTerm = search;
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if (searchTerm.isEmpty) {
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return;
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}
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searchResults = manager.localSearch(search);
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_searchCaller.call();
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notifyListeners();
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}
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void searchOnline() async {
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if (searchTerm.isEmpty) {
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return;
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}
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if (searchingOnline) {
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_searchCaller.call();
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return;
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}
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searchingOnline = true;
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try {
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String startedSearching = searchTerm;
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List<MovieData> onlineResults =
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await movieManager.onlineSearch(searchTerm);
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searchingOnline = false;
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// if the search term has changed since we started searching, ignore the results
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if (startedSearching != searchTerm) {
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return;
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}
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List<MovieData> localResults = manager.localSearch(searchTerm);
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localResults.removeWhere((element) => onlineResults.contains(element));
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searchResults = onlineResults + localResults;
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notifyListeners();
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} finally {
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searchingOnline = false;
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}
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}
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}
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