fix checkstyle

Author: jasonlessenich

src/main/java/net/javadiscord/javabot/systems/notification/QOTWNotificationService.java

@@ -14,7 +14,6 @@
 
 import javax.annotation.Nonnull;
 import java.time.Instant;
-import java.util.concurrent.ExecutorService;
 
 /**
  * An extension of {@link QOTWGuildNotificationService} which also handles user qotw

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

@@ -23,11 +23,8 @@
 import org.jetbrains.annotations.NotNull;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
-import org.springframework.util.StringUtils;
 
-import javax.swing.text.html.Option;
 import java.sql.SQLException;
-import java.time.OffsetDateTime;
 import java.util.Collections;
 import java.util.List;
 import java.util.Optional;

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

@@ -7,13 +7,11 @@
 import net.javadiscord.javabot.systems.notification.NotificationService;
 import net.javadiscord.javabot.systems.qotw.dao.QuestionQueueRepository;
 import net.javadiscord.javabot.systems.qotw.model.QOTWQuestion;
-import net.javadiscord.javabot.util.ExceptionLogger;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
 
 import lombok.RequiredArgsConstructor;
 
-import java.sql.Connection;
 import java.sql.SQLException;
 import java.util.Optional;
 

src/main/java/net/javadiscord/javabot/systems/qotw/model/QOTWSubmission.java

@@ -6,6 +6,10 @@
 
 import java.util.function.Consumer;
 
+/**
+ * Simple data class that represents a single {@link ThreadChannel submission} and the corresponding
+ * {@link User author}.
+ */
 @Data
 public class QOTWSubmission {
 	private final ThreadChannel thread;
@@ -15,6 +19,12 @@ public boolean hasAuthor() {
 		return author != null;
 	}
 
+	/**
+	 * Attempts to retrieve the thread's actual author. Since the bot is creating submission threads, we can't use
+	 * {@link ThreadChannel#getOwnerThreadMember()}, so we just filter all bot-users instead.
+	 *
+	 * @param onSuccess The success-{@link Consumer} for this operation.
+	 */
 	public void retrieveAuthor(Consumer<User> onSuccess) {
 		thread.retrieveThreadMembers().queue(s -> s.forEach(m -> {
 			if (author == null && !m.getUser().isBot()) {

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

@@ -1,7 +1,19 @@
 package net.javadiscord.javabot.systems.qotw.submissions;
 
+/**
+ * Represents a submissions' status.
+ */
 public enum SubmissionStatus {
+	/**
+	 * The submission got accepted and was among the best answers for the current week.
+	 */
 	ACCEPT_BEST,
+	/**
+	 * The submission simply got accepted.
+	 */
 	ACCEPT,
+	/**
+	 * The submission got declined.
+	 */
 	DECLINE
 }

src/main/java/net/javadiscord/javabot/systems/qotw/submissions/subcommands/QOTWReviewSubcommand.java

@@ -1,7 +1,5 @@
 package net.javadiscord.javabot.systems.qotw.submissions.subcommands;
 
-import net.dv8tion.jda.api.entities.ThreadMember;
-import net.dv8tion.jda.api.entities.User;
 import net.dv8tion.jda.api.entities.channel.ChannelType;
 import net.dv8tion.jda.api.entities.channel.concrete.ThreadChannel;
 import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
@@ -20,7 +18,6 @@
 import org.jetbrains.annotations.NotNull;
 import xyz.dynxsty.dih4jda.interactions.commands.application.SlashCommand;
 
-import java.util.Optional;
 import java.util.concurrent.ExecutorService;
 
 /**