74 lines
2.0 KiB
Dart
74 lines
2.0 KiB
Dart
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import 'package:flutter/material.dart';
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import 'package:release_schedule/api/movie_api.dart';
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import 'package:release_schedule/api/wikidata_movie_api.dart';
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import 'package:release_schedule/model/movie.dart';
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T? firstWhereOrNull<T>(List<T> list, bool Function(T element) test) {
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try {
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return list.firstWhere(test);
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} catch (e) {
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return null;
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}
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}
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final movieManager = MovieManager(WikidataMovieApi());
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class MovieManager<CustomMovieData extends MovieData> extends ChangeNotifier {
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final List<CustomMovieData> movies = List.empty(growable: true);
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final MovieApi<CustomMovieData> api;
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MovieManager(this.api);
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List<CustomMovieData> addMovies(List<CustomMovieData> additionalMovies) {
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List<CustomMovieData> actualMovies = [];
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bool added = false;
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for (var movie in additionalMovies) {
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CustomMovieData? existing =
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firstWhereOrNull(movies, (element) => movie.same(element));
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if (existing == null) {
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movies.add(movie);
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added = true;
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actualMovies.add(movie);
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} else {
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actualMovies.add(existing);
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}
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}
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if (added) {
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notifyListeners();
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}
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return actualMovies;
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}
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/// Only search locally cached movies.
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localSearch(String search) {}
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/// Online search for movies.
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Future<List<CustomMovieData>> search(String search) async {
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List<CustomMovieData> movies = await api.searchForMovies(search);
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return addMovies(movies);
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}
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expandDetails(List<CustomMovieData> movies) {
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api.addMovieDetails(movies);
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}
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loadUpcomingMovies() async {
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List<CustomMovieData> movies = await api.getUpcomingMovies();
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addMovies(movies);
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}
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}
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class LiveSearch<CustomMovieData extends MovieData> extends ChangeNotifier {
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String searchTerm = "";
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List<CustomMovieData> searchResults = [];
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Duration minTimeBetweenRequests = const Duration(milliseconds: 500);
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Duration minTimeAfterChangeToRequest = const Duration(milliseconds: 200);
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final MovieManager manager;
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LiveSearch(this.manager);
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updateSearch(String search) {
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searchTerm = search;
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}
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}
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