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| 1 | +package org.togetherjava.tjbot.features.help; |
| 2 | + |
| 3 | +import net.dv8tion.jda.api.entities.channel.concrete.ForumChannel; |
| 4 | +import net.dv8tion.jda.api.entities.channel.concrete.ThreadChannel; |
| 5 | +import net.dv8tion.jda.api.entities.channel.forums.ForumTag; |
| 6 | +import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent; |
| 7 | +import net.dv8tion.jda.api.interactions.commands.OptionType; |
| 8 | +import net.dv8tion.jda.api.interactions.commands.build.OptionData; |
| 9 | +import net.dv8tion.jda.api.interactions.commands.build.SubcommandData; |
| 10 | +import net.dv8tion.jda.api.interactions.commands.build.SubcommandGroupData; |
| 11 | +import net.dv8tion.jda.api.requests.restaction.pagination.ThreadChannelPaginationAction; |
| 12 | + |
| 13 | +import org.togetherjava.tjbot.features.CommandVisibility; |
| 14 | +import org.togetherjava.tjbot.features.SlashCommandAdapter; |
| 15 | + |
| 16 | +import java.time.OffsetDateTime; |
| 17 | +import java.util.*; |
| 18 | +import java.util.concurrent.TimeUnit; |
| 19 | +import java.util.function.Function; |
| 20 | +import java.util.stream.Collectors; |
| 21 | +import java.util.stream.Stream; |
| 22 | + |
| 23 | +import static java.util.stream.Collectors.averagingDouble; |
| 24 | +import static java.util.stream.Collectors.toMap; |
| 25 | + |
| 26 | +public class HelpThreadStatsCommand extends SlashCommandAdapter { |
| 27 | + |
| 28 | + public static final String COMMAND_NAME = "help-thread-stats"; |
| 29 | + public static final String DURATION_OPTION = "duration-option"; |
| 30 | + public static final String DURATION_SUBCOMMAND = "duration"; |
| 31 | + public static final String OPTIONAL_SUBCOMMAND_GROUP = "optional"; |
| 32 | + private final Map<String, Subcommand> nameToSubcommand; |
| 33 | + |
| 34 | + public HelpThreadStatsCommand() { |
| 35 | + super(COMMAND_NAME, "Display Help Thread Statistics", CommandVisibility.GUILD); |
| 36 | + OptionData durationOption = |
| 37 | + new OptionData(OptionType.STRING, DURATION_OPTION, "optional duration", false) |
| 38 | + .setMinLength(1); |
| 39 | + SubcommandData duration = Subcommand.DURATION.toSubcommandData().addOptions(durationOption); |
| 40 | + SubcommandGroupData optionalCommands = |
| 41 | + new SubcommandGroupData(OPTIONAL_SUBCOMMAND_GROUP, "optional commands") |
| 42 | + .addSubcommands(duration); |
| 43 | + getData().addSubcommandGroups(optionalCommands); |
| 44 | + nameToSubcommand = streamSubcommands() |
| 45 | + .collect(Collectors.toMap(Subcommand::getCommandName, Function.identity())); |
| 46 | + } |
| 47 | + |
| 48 | + @Override |
| 49 | + public void onSlashCommand(SlashCommandInteractionEvent event) { |
| 50 | + List<ForumChannel> forumChannels = |
| 51 | + Objects.requireNonNull(event.getGuild()).getForumChannels(); |
| 52 | + Subcommand invokedSubcommand = nameToSubcommand.get(event.getSubcommandName()); |
| 53 | + OffsetDateTime startDate = OffsetDateTime.MIN; |
| 54 | + if (Objects.nonNull(invokedSubcommand) && invokedSubcommand.equals(Subcommand.DURATION) |
| 55 | + && Objects.nonNull(event.getOption(DURATION_OPTION))) { |
| 56 | + startDate = |
| 57 | + OffsetDateTime.now().minusDays(event.getOption(DURATION_OPTION).getAsLong()); |
| 58 | + } |
| 59 | + ForumTag mostPopularTag = getMostPopularForumTag(forumChannels, startDate); |
| 60 | + Double averageNumberOfParticipants = |
| 61 | + getAverageNumberOfParticipantsPerThread(forumChannels, startDate); |
| 62 | + Integer totalNumberOfThreads = |
| 63 | + getThreadChannelsStream(forumChannels, startDate).toList().size(); |
| 64 | + Long emptyThreads = getThreadsWithNoParticipants(forumChannels, startDate); |
| 65 | + Integer totalMessages = getTotalNumberOfMessages(forumChannels, startDate); |
| 66 | + Double averageNumberOfMessages = Double.valueOf(totalMessages) / totalNumberOfThreads; |
| 67 | + Double averageThreadLifecycle = getAverageThreadLifecycle(forumChannels, startDate); |
| 68 | + String statistics = |
| 69 | + "Most Popular Tag: %s%nAverage Number Of Participants: %.2f%nEmpty Threads: %s%nAverage Number Of Messages: %.2f%nAverage Thread Lifecycle: %.2f" |
| 70 | + .formatted(mostPopularTag.getName(), averageNumberOfParticipants, emptyThreads, |
| 71 | + averageNumberOfMessages, averageThreadLifecycle); |
| 72 | + event.reply(statistics).delay(2, TimeUnit.SECONDS).queue(); |
| 73 | + } |
| 74 | + |
| 75 | + private ForumTag getMostPopularForumTag(List<ForumChannel> forumChannels, |
| 76 | + OffsetDateTime startDate) { |
| 77 | + Map<ForumTag, Integer> tagCount = getThreadChannelsStream(forumChannels, startDate) |
| 78 | + .flatMap((threadChannel -> threadChannel.getAppliedTags().stream())) |
| 79 | + .collect(toMap(Function.identity(), tag -> 1, Integer::sum)); |
| 80 | + return Collections.max(tagCount.entrySet(), Map.Entry.comparingByValue()).getKey(); |
| 81 | + } |
| 82 | + |
| 83 | + private Double getAverageNumberOfParticipantsPerThread(List<ForumChannel> forumChannels, |
| 84 | + OffsetDateTime startDate) { |
| 85 | + return getThreadChannelsStream(forumChannels, startDate) |
| 86 | + .collect(averagingDouble((ThreadChannel::getMemberCount))); |
| 87 | + } |
| 88 | + |
| 89 | + private Long getThreadsWithNoParticipants(List<ForumChannel> forumChannels, |
| 90 | + OffsetDateTime startDate) { |
| 91 | + return getThreadChannelsStream(forumChannels, startDate) |
| 92 | + .filter(threadChannel -> threadChannel.getMemberCount() > 1) |
| 93 | + .count(); |
| 94 | + } |
| 95 | + |
| 96 | + private Integer getTotalNumberOfMessages(List<ForumChannel> forumChannels, |
| 97 | + OffsetDateTime startDate) { |
| 98 | + return getThreadChannelsStream(forumChannels, startDate) |
| 99 | + .mapToInt(ThreadChannel::getMessageCount) |
| 100 | + .sum(); |
| 101 | + } |
| 102 | + |
| 103 | + private Double getAverageThreadLifecycle(List<ForumChannel> forumChannels, |
| 104 | + OffsetDateTime startDate) { |
| 105 | + return getThreadChannelsStream(forumChannels, startDate).filter(ThreadChannel::isArchived) |
| 106 | + .mapToDouble(threadChannel -> calculateDurationInDays( |
| 107 | + threadChannel.getTimeArchiveInfoLastModified(), threadChannel.getTimeCreated())) |
| 108 | + .average() |
| 109 | + .orElse(0); |
| 110 | + } |
| 111 | + |
| 112 | + private Double calculateDurationInDays(OffsetDateTime t1, OffsetDateTime t2) { |
| 113 | + long time1 = t1.toEpochSecond(); |
| 114 | + long time2 = t2.toEpochSecond(); |
| 115 | + return (time1 - time2) / 86400.0; |
| 116 | + } |
| 117 | + |
| 118 | + private Stream<ThreadChannel> getThreadChannelsStream(List<ForumChannel> forumChannels, |
| 119 | + OffsetDateTime startDate) { |
| 120 | + return forumChannels.stream() |
| 121 | + .flatMap(forumChannel -> getAllThreadChannels(forumChannel).stream()) |
| 122 | + .filter(threadChannel -> threadChannel.getTimeCreated().isAfter(startDate)); |
| 123 | + } |
| 124 | + |
| 125 | + private Set<ThreadChannel> getAllThreadChannels(ForumChannel forumChannel) { |
| 126 | + Set<ThreadChannel> threadChannels = new HashSet<>(forumChannel.getThreadChannels()); |
| 127 | + Optional<ThreadChannelPaginationAction> publicThreadChannels = |
| 128 | + Optional.of(forumChannel.retrieveArchivedPublicThreadChannels()); |
| 129 | + publicThreadChannels.ifPresent(threads -> threads.forEach(threadChannels::add)); |
| 130 | + return threadChannels; |
| 131 | + } |
| 132 | + |
| 133 | + private static Stream<Subcommand> streamSubcommands() { |
| 134 | + return Arrays.stream(Subcommand.values()); |
| 135 | + } |
| 136 | + |
| 137 | + enum Subcommand { |
| 138 | + DURATION(DURATION_SUBCOMMAND, "Set the duration"); |
| 139 | + |
| 140 | + private final String commandName; |
| 141 | + private final String description; |
| 142 | + |
| 143 | + Subcommand(String commandName, String description) { |
| 144 | + this.commandName = commandName; |
| 145 | + this.description = description; |
| 146 | + } |
| 147 | + |
| 148 | + String getCommandName() { |
| 149 | + return commandName; |
| 150 | + } |
| 151 | + |
| 152 | + SubcommandData toSubcommandData() { |
| 153 | + return new SubcommandData(commandName, description); |
| 154 | + } |
| 155 | + } |
| 156 | +} |
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