Added QOTW Reminder

Author: jasonlessenich

src/main/java/net/javadiscord/javabot/systems/qotw/QOTWUserReminderJob.java

@@ -0,0 +1,44 @@
+package net.javadiscord.javabot.systems.qotw;
+
+import net.dv8tion.jda.api.JDA;
+import net.dv8tion.jda.api.entities.Guild;
+import net.dv8tion.jda.api.entities.TextChannel;
+import net.javadiscord.javabot.Bot;
+import net.javadiscord.javabot.data.config.guild.QOTWConfig;
+import net.javadiscord.javabot.systems.qotw.submissions.SubmissionManager;
+import net.javadiscord.javabot.systems.qotw.submissions.model.QOTWSubmission;
+import net.javadiscord.javabot.systems.user_preferences.UserPreferenceManager;
+import net.javadiscord.javabot.systems.user_preferences.model.Preference;
+import net.javadiscord.javabot.systems.user_preferences.model.UserPreference;
+import net.javadiscord.javabot.tasks.jobs.DiscordApiJob;
+import org.jetbrains.annotations.NotNull;
+import org.quartz.JobExecutionContext;
+import org.quartz.JobExecutionException;
+
+import java.util.List;
+
+/**
+ * Checks that there's a question in the QOTW queue ready for posting soon.
+ */
+public class QOTWUserReminderJob extends DiscordApiJob {
+	@Override
+	protected void execute(JobExecutionContext context, @NotNull JDA jda) throws JobExecutionException {
+		for (Guild guild : jda.getGuilds()) {
+			QOTWConfig config = Bot.getConfig().get(guild).getQotwConfig();
+			List<QOTWSubmission> submissions = new SubmissionManager(config).getActiveSubmissionThreads();
+			for (QOTWSubmission submission : submissions) {
+				UserPreferenceManager manager = new UserPreferenceManager(Bot.getDataSource());
+				UserPreference preference = manager.getOrCreate(submission.getAuthorId(), Preference.QOTW_REMINDER);
+				if (preference.isEnabled()) {
+					TextChannel channel = config.getSubmissionChannel();
+					channel.getThreadChannels().stream().filter(t -> t.getIdLong() == submission.getThreadId()).forEach(t -> {
+						if (t.getMessageCount() <= 1) {
+							t.sendMessageFormat("**Question of the Week Reminder**\nHey <@%s>! You still have some time left to submit your answer!", submission.getAuthorId())
+									.queue();
+						}
+					});
+				}
+			}
+		}
+	}
+}

src/main/java/net/javadiscord/javabot/systems/qotw/submissions/SubmissionManager.java

@@ -25,6 +25,7 @@
 import java.sql.Connection;
 import java.sql.SQLException;
 import java.time.Instant;
+import java.util.List;
 import java.util.Optional;
 
 /**
@@ -129,6 +130,21 @@ public boolean hasActiveSubmissionThreads(long authorId) {
 		}
 	}
 
+	/**
+	 * Gets all active submission threads.
+	 *
+	 * @return An immutable {@link List} of {@link QOTWSubmission}s.
+	 */
+	public List<QOTWSubmission> getActiveSubmissionThreads() {
+		try (Connection con = Bot.getDataSource().getConnection()) {
+			QOTWSubmissionRepository repo = new QOTWSubmissionRepository(con);
+			return repo.getSubmissionByQuestionNumber(repo.getCurrentQuestionNumber());
+		} catch (SQLException e) {
+			ExceptionLogger.capture(e, getClass().getSimpleName());
+			return List.of();
+		}
+	}
+
 	private @NotNull MessageEmbed buildSubmissionThreadEmbed(@NotNull User createdBy, @NotNull QOTWQuestion question, @NotNull QOTWConfig config) {
 		return new EmbedBuilder()
 				.setColor(Responses.Type.DEFAULT.getColor())

src/main/java/net/javadiscord/javabot/tasks/ScheduledTasks.java

@@ -5,6 +5,7 @@
 import net.javadiscord.javabot.systems.qotw.QOTWCloseSubmissionsJob;
 import net.javadiscord.javabot.systems.qotw.QOTWJob;
 import net.javadiscord.javabot.systems.qotw.QOTWReminderJob;
+import net.javadiscord.javabot.systems.qotw.QOTWUserReminderJob;
 import net.javadiscord.javabot.tasks.jobs.DiscordApiJob;
 import net.javadiscord.javabot.util.ExceptionLogger;
 import org.quartz.*;
@@ -54,6 +55,9 @@ private static void scheduleAllTasks(Scheduler scheduler, JDA jda) throws Schedu
 		// Schedule posting a new QOTW every Monday at 9am.
 		scheduleApiJob(scheduler, jda, QOTWJob.class, CronScheduleBuilder.weeklyOnDayAndHourAndMinute(DateBuilder.MONDAY, 9, 0));
 
+		// Schedule QOTW Reminder (if no answer was yet submitted)
+		scheduleApiJob(scheduler, jda, QOTWUserReminderJob.class, CronScheduleBuilder.weeklyOnDayAndHourAndMinute(DateBuilder.FRIDAY, 16, 0));
+
 		// Schedule closing submissions every Sunday at 9pm.
 		scheduleApiJob(scheduler, jda, QOTWCloseSubmissionsJob.class, CronScheduleBuilder.weeklyOnDayAndHourAndMinute(DateBuilder.SUNDAY, 21, 0));