1 package net.pterodactylus.rhynodge.filters.webpages.savoy;
3 import static com.google.common.base.Preconditions.checkArgument;
4 import static java.time.format.DateTimeFormatter.ofPattern;
5 import static java.util.Optional.empty;
6 import static java.util.Optional.of;
7 import static net.pterodactylus.rhynodge.filters.webpages.savoy.Movie.byName;
8 import static net.pterodactylus.rhynodge.filters.webpages.savoy.Movie.withPresentations;
9 import static net.pterodactylus.rhynodge.filters.webpages.savoy.TicketLink.byPresentationTime;
10 import static org.jsoup.nodes.Document.createShell;
11 import static org.jsoup.parser.Tag.valueOf;
13 import java.time.LocalDate;
14 import java.time.format.DateTimeFormatter;
15 import java.util.Collection;
16 import java.util.List;
17 import java.util.Optional;
18 import java.util.stream.Collectors;
20 import net.pterodactylus.rhynodge.Filter;
21 import net.pterodactylus.rhynodge.State;
22 import net.pterodactylus.rhynodge.filters.webpages.savoy.Movie;
23 import net.pterodactylus.rhynodge.filters.webpages.savoy.MovieExtractor;
24 import net.pterodactylus.rhynodge.filters.webpages.savoy.TicketLink;
25 import net.pterodactylus.rhynodge.states.HtmlState;
26 import net.pterodactylus.rhynodge.states.OutputState;
28 import org.jetbrains.annotations.NotNull;
29 import org.jsoup.nodes.Document;
30 import org.jsoup.nodes.Element;
31 import org.jsoup.nodes.Node;
34 * {@link Filter} implementation that creates a list of movies running at the
35 * Savoy theatre in Hamburg.
37 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
39 public class SavoyTicketsFilter implements Filter {
41 private static final MovieExtractor movieExtractor = new MovieExtractor();
42 private DateTimeFormatter dateFormatter = ofPattern("dd.MM.uuuu");
43 private DateTimeFormatter timeFormatter = ofPattern("HH:mm");
44 private DateTimeFormatter dateTimeFormatter = ofPattern("dd.MM.uuuu, HH:mm");
48 public State filter(@NotNull State state) {
49 checkArgument(state instanceof HtmlState, "state must be HTML");
51 HtmlState htmlState = (HtmlState) state;
52 Collection<Movie> movies = movieExtractor.getMovies(htmlState.document());
53 return new OutputState(getPlainTextOutput(movies), getHtmlOutput(movies));
56 private Optional<String> getHtmlOutput(Collection<Movie> movies) {
57 Document document = createShell("");
58 document.head().appendElement("style").attr("type", "text/css").text(generateStyleSheet());
59 document.body().appendElement("h1").text("Kinoprogramm: Savoy");
60 document.body().appendElement("h2").text("Filme");
61 movies.stream().filter(withPresentations).sorted(byName).forEach(movie -> {
62 document.body().appendChild(createMovieNode(movie));
64 document.body().appendElement("h2").text("Zeiten");
65 movies.stream().flatMap(movie -> movie.getTicketLinks().stream().map(ticketLink -> new Presentation(movie, ticketLink))).sorted((leftPresentation, rightPresentation) -> leftPresentation.getTicketLink().getPresentationTime().compareTo(rightPresentation.getTicketLink().getPresentationTime())).collect(Collectors.<Presentation, LocalDate>groupingBy(presentation -> presentation.getTicketLink().getPresentationTime().toLocalDate())).entrySet().stream().sorted((leftEntry, rightEntry) -> leftEntry.getKey().compareTo(rightEntry.getKey())).forEach(dateEntry -> {
66 document.body().appendChild(createDayNode(dateEntry.getKey(), dateEntry.getValue()));
68 document.body().appendElement("h2").text("Vorschau");
69 movies.stream().filter(withPresentations.negate()).sorted(byName).forEach(movie -> {
70 document.body().appendElement("div").attr("class", "name").text(movie.getName());
72 return of(document.toString());
75 private String generateStyleSheet() {
76 StringBuilder styleSheet = new StringBuilder();
77 styleSheet.append(".movie .name { font-weight: bold; }\n");
78 styleSheet.append(".day:first-child { margin-top: 1em; }\n");
79 styleSheet.append(".date { display: table-cell; font-weight: bold; }\n");
80 styleSheet.append(".presentation { display: inline; }\n");
81 styleSheet.append(".time, .movie { display: inline; }\n");
82 return styleSheet.toString();
85 private Node createMovieNode(Movie movie) {
86 Element movieNode = new Element(valueOf("div"), "");
87 movieNode.attr("class", "movie");
88 movieNode.appendElement("div").attr("class", "name").text(movie.getName());
89 movie.getTicketLinks().stream().sorted(byPresentationTime).forEach(ticketLink -> {
90 Element presentationNode = movieNode.appendElement("div").attr("class", "presentation");
91 presentationNode.appendElement("div").attr("class", "time").text("» ").appendElement("a").attr("href", ticketLink.getLink()).text(ticketLink.getPresentationTime().format(dateTimeFormatter));
96 private Node createDayNode(LocalDate date, List<Presentation> presentations) {
97 Element dayNode = new Element(valueOf("div"), "").attr("class", "day");
98 dayNode.appendElement("div").attr("class", "date").text(date.format(dateFormatter));
99 presentations.stream().forEach(presentation -> {
100 Element presentationNode = dayNode.appendElement("div").attr("class", "presentation");
101 presentationNode.appendElement("div").attr("class", "time").text("» " + presentation.getTicketLink().getPresentationTime().format(timeFormatter));
102 presentationNode.appendElement("div").attr("class", "movie").appendElement("a").attr("href", presentation.getTicketLink().getLink()).text(presentation.getMovie().getName());
107 private Optional<String> getPlainTextOutput(Collection<Movie> movies) {
111 private static class Presentation {
113 private final Movie movie;
114 private final TicketLink ticketLink;
116 private Presentation(Movie movie, TicketLink ticketLink) {
118 this.ticketLink = ticketLink;
121 private Movie getMovie() {
125 private TicketLink getTicketLink() {