applies FirasRG first review

Comments:
1. improved settings
2. using meaningful names
3. validations
4. some debug logs

Author: firasrg

application/config.json.template

@@ -194,9 +194,9 @@
         "videoLinkPattern": "http(s)?://www\\.youtube.com.*",
         "pollIntervalInMinutes": 10
     },
-    "quoteMessagesConfig": {
-        "minimumReactions": 2,
-        "boardChannelPattern": "quotes",
+    "quoteBoardConfig": {
+        "minimumReactionsToTrigger": 5,
+        "channel": "quotes",
         "reactionEmoji": "⭐"
     },
     "memberCountCategoryPattern": "Info",

application/src/main/java/org/togetherjava/tjbot/config/Config.java

@@ -48,7 +48,7 @@ public final class Config {
     private final RSSFeedsConfig rssFeedsConfig;
     private final String selectRolesChannelPattern;
     private final String memberCountCategoryPattern;
-    private final QuoteBoardConfig quoteMessagesConfig;
+    private final QuoteBoardConfig quoteBoardConfig;
     private final TopHelpersConfig topHelpers;
 
     @SuppressWarnings("ConstructorWithTooManyParameters")
@@ -103,8 +103,8 @@ private Config(@JsonProperty(value = "token", required = true) String token,
             @JsonProperty(value = "rssConfig", required = true) RSSFeedsConfig rssFeedsConfig,
             @JsonProperty(value = "selectRolesChannelPattern",
                     required = true) String selectRolesChannelPattern,
-            @JsonProperty(value = "quoteMessagesConfig",
-                    required = true) QuoteBoardConfig quoteMessagesConfig,
+            @JsonProperty(value = "quoteBoardConfig",
+                    required = true) QuoteBoardConfig quoteBoardConfig,
             @JsonProperty(value = "topHelpers", required = true) TopHelpersConfig topHelpers) {
         this.token = Objects.requireNonNull(token);
         this.githubApiKey = Objects.requireNonNull(githubApiKey);
@@ -140,7 +140,7 @@ private Config(@JsonProperty(value = "token", required = true) String token,
         this.featureBlacklistConfig = Objects.requireNonNull(featureBlacklistConfig);
         this.rssFeedsConfig = Objects.requireNonNull(rssFeedsConfig);
         this.selectRolesChannelPattern = Objects.requireNonNull(selectRolesChannelPattern);
-        this.quoteMessagesConfig = Objects.requireNonNull(quoteMessagesConfig);
+        this.quoteBoardConfig = Objects.requireNonNull(quoteBoardConfig);
         this.topHelpers = Objects.requireNonNull(topHelpers);
     }
 
@@ -443,8 +443,8 @@ public String getSelectRolesChannelPattern() {
      *
      * @return configuration of quote messages config
      */
-    public QuoteBoardConfig getQuoteMessagesConfig() {
-        return quoteMessagesConfig;
+    public QuoteBoardConfig getQuoteBoardConfig() {
+        return quoteBoardConfig;
     }
 
     /**

application/src/main/java/org/togetherjava/tjbot/config/QuoteBoardConfig.java

@@ -2,6 +2,7 @@
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonRootName;
+import org.apache.logging.log4j.LogManager;
 
 import org.togetherjava.tjbot.features.basic.QuoteBoardForwarder;
 
@@ -10,21 +11,33 @@
 /**
  * Configuration for the quote board feature, see {@link QuoteBoardForwarder}.
  */
-@JsonRootName("coolMessagesConfig")
+@JsonRootName("quoteBoardConfig")
 public record QuoteBoardConfig(
-        @JsonProperty(value = "minimumReactions", required = true) int minimumReactions,
-        @JsonProperty(value = "boardChannelPattern", required = true) String boardChannelPattern,
+        @JsonProperty(value = "minimumReactionsToTrigger", required = true) int minimumReactions,
+        @JsonProperty(required = true) String channel,
         @JsonProperty(value = "reactionEmoji", required = true) String reactionEmoji) {
 
     /**
      * Creates a QuoteBoardConfig.
      *
      * @param minimumReactions the minimum amount of reactions
-     * @param boardChannelPattern the pattern for the board channel
+     * @param channel the pattern for the board channel
      * @param reactionEmoji the emoji with which users should react to
      */
     public QuoteBoardConfig {
-        Objects.requireNonNull(boardChannelPattern);
+        if (minimumReactions <= 0) {
+            throw new IllegalArgumentException("minimumReactions must be greater than zero");
+        }
+        Objects.requireNonNull(channel);
+        if (channel.isBlank()) {
+            throw new IllegalArgumentException("channel must not be empty or blank");
+        }
         Objects.requireNonNull(reactionEmoji);
+        if (reactionEmoji.isBlank()) {
+            throw new IllegalArgumentException("reactionEmoji must not be empty or blank");
+        }
+        LogManager.getLogger(QuoteBoardConfig.class)
+            .debug("Quote-Board configs loaded: minimumReactions={}, channel='{}', reactionEmoji='{}'",
+                    minimumReactions, channel, reactionEmoji);
     }
 }

application/src/main/java/org/togetherjava/tjbot/features/basic/QuoteBoardForwarder.java

@@ -14,6 +14,7 @@
 import org.togetherjava.tjbot.config.QuoteBoardConfig;
 import org.togetherjava.tjbot.features.MessageReceiverAdapter;
 
+import java.util.List;
 import java.util.Optional;
 import java.util.function.Predicate;
 import java.util.regex.Pattern;
@@ -45,47 +46,59 @@ public final class QuoteBoardForwarder extends MessageReceiverAdapter {
      *        including the reaction emoji and the pattern to match board channel names
      */
     public QuoteBoardForwarder(Config config) {
-        this.config = config.getQuoteMessagesConfig();
+        this.config = config.getQuoteBoardConfig();
         this.triggerReaction = Emoji.fromUnicode(this.config.reactionEmoji());
 
-        isQuoteBoardChannelName =
-                Pattern.compile(this.config.boardChannelPattern()).asMatchPredicate();
+        this.isQuoteBoardChannelName = Pattern.compile(this.config.channel()).asMatchPredicate();
     }
 
     @Override
     public void onMessageReactionAdd(MessageReactionAddEvent event) {
+        logger.debug("Received MessageReactionAddEvent: messageId={}, channelId={}, userId={}",
+                event.getMessageId(), event.getChannel().getId(), event.getUserId());
+
         final MessageReaction messageReaction = event.getReaction();
-        boolean isTriggerEmoji = messageReaction.getEmoji().equals(triggerReaction);
-        long guildId = event.getGuild().getIdLong();
 
-        if (!isTriggerEmoji) {
+        if (!messageReaction.getEmoji().equals(triggerReaction)) {
+            logger.debug("Reaction emoji '{}' does not match trigger emoji '{}'. Ignoring.",
+                    messageReaction.getEmoji(), triggerReaction);
             return;
         }
 
         if (hasAlreadyForwardedMessage(event.getJDA(), messageReaction)) {
+            logger.debug("Message has already been forwarded by the bot. Skipping.");
             return;
         }
 
-        final int reactionsCount = (int) messageReaction.retrieveUsers().stream().count();
-
-        if (reactionsCount < config.minimumReactions()) {
+        long reactionCount = messageReaction.retrieveUsers().stream().count();
+        if (reactionCount < config.minimumReactions()) {
+            logger.debug("Reaction count {} is less than minimum required {}. Skipping.",
+                    reactionCount, config.minimumReactions());
             return;
         }
 
+        final long guildId = event.getGuild().getIdLong();
+
         Optional<TextChannel> boardChannel = findQuoteBoardChannel(event.getJDA(), guildId);
 
         if (boardChannel.isEmpty()) {
             logger.warn(
                     "Could not find board channel with pattern '{}' in server with ID '{}'. Skipping reaction handling...",
-                    this.config.boardChannelPattern(), guildId);
+                    this.config.channel(), guildId);
             return;
         }
 
+        logger.debug("Forwarding message to quote board channel: {}", boardChannel.get().getName());
+
         event.retrieveMessage()
-            .queue(message -> markAsProcessed(message).flatMap(v -> message
-                .forwardTo(boardChannel.orElseThrow())).queue(), e -> logger.warn(
-                        "Unknown error while attempting to retrieve and forward message for quote-board, message is ignored.",
-                        e));
+            .queue(message -> markAsProcessed(message)
+                .flatMap(v -> message.forwardTo(boardChannel.orElseThrow()))
+                .queue(_ -> logger.debug("Message forwarded to quote board channel: {}",
+                        boardChannel.get().getName())),
+
+                    e -> logger.warn(
+                            "Unknown error while attempting to retrieve and forward message for quote-board, message is ignored.",
+                            e));
 
     }
 
@@ -101,18 +114,26 @@ private RestAction<Void> markAsProcessed(Message message) {
      * @return the board text channel
      */
     private Optional<TextChannel> findQuoteBoardChannel(JDA jda, long guildId) {
-        return jda.getGuildById(guildId)
-            .getTextChannelCache()
+        var guild = jda.getGuildById(guildId);
+
+        if (guild == null) {
+            throw new IllegalStateException(
+                    String.format("Guild with ID '%d' not found.", guildId));
+        }
+
+        List<TextChannel> matchingChannels = guild.getTextChannelCache()
             .stream()
             .filter(channel -> isQuoteBoardChannelName.test(channel.getName()))
-            .findAny();
-    }
+            .toList();
 
-    /**
-     * Inserts a message to the specified text channel
-     *
-     * @return a {@link MessageCreateAction} of the call to make
-     */
+        if (matchingChannels.size() > 1) {
+            logger.warn(
+                    "Multiple quote board channels found matching pattern '{}' in guild with ID '{}'. Selecting the first one anyway.",
+                    this.config.channel(), guildId);
+        }
+
+        return matchingChannels.stream().findFirst();
+    }
 
     /**
      * Checks a {@link MessageReaction} to see if the bot has reacted to it.