.

build.gradle.kts

@@ -17,6 +17,15 @@ subprojects {
     apply(plugin = "java")
     apply(plugin = "io.freefair.lombok")
 
+    java {
+        withSourcesJar()
+        withJavadocJar()
+    }
+
+    tasks.withType<Javadoc>().configureEach {
+        (options as StandardJavadocDocletOptions).addStringOption("Xdoclint:all,-missing", "-quiet")
+    }
+
     repositories {
         mavenCentral()
         maven("https://hub.spigotmc.org/nexus/content/repositories/snapshots/") {
@@ -41,7 +50,7 @@ subprojects {
         implementation("org.jetbrains:annotations:26.0.2-1")
 
         // https://projectreactor.io/docs/core/release/reference/gettingStarted.html
-            implementation(platform("io.projectreactor:reactor-bom:2025.0.3"))
+        implementation(platform("io.projectreactor:reactor-bom:2025.0.3"))
         implementation("io.projectreactor:reactor-core")
 
         // https://mvnrepository.com/artifact/com.google.guava/guava

core-bukkit-api/build.gradle.kts

@@ -36,9 +36,9 @@ dependencies {
     api("org.spigotmc:spigot-api:1.21.11-R0.1-SNAPSHOT")
     api("net.kyori:adventure-platform-bukkit:4.4.1")
 
-    api("de.kentoj:kencommandapi-core:2.0.2")
+    api("de.kentoj.scrow:kencommandapi-core:0.2")
-    implementation("de.kentoj:kencommandapi-bukkit:2.0.2")
+    implementation("de.kentoj.scrow:kencommandapi-bukkit:0.2")
-    api("de.kentoj:kencommandapi-bukkit:2.0.2")
+    api("de.kentoj.scrow:kencommandapi-bukkit:0.2")
 }
 
 publishing {

core-bukkit-api/src/main/java/de/kentoj/scrow/bukkit/EconomyService.java

@@ -8,26 +8,26 @@ import java.util.UUID;
 public interface EconomyService {
 
     /**
-     * @throws IllegalArgumentException if amount < 0
+     * @throws IllegalArgumentException if amount is less than 0
      */
     Mono<@NotNull Integer> getCoins(UUID playerId);
 
     /**
      * @param playerId uuid of player
-     * @throws IllegalArgumentException if amount < 0
+     * @throws IllegalArgumentException if amount is less than 0
      */
     Mono<@NotNull Void> depositCoins(UUID playerId, int amount);
 
     /**
      * @param playerId uuid of player
      * @return true on success, false on insufficient funds
-     * @throws IllegalArgumentException if amount < 0
+     * @throws IllegalArgumentException if amount is less than 0
      */
     Mono<@NotNull Boolean> tryWithdrawCoins(UUID playerId, int amount);
 
     /**
      * @param playerId uuid of player
-     * @throws IllegalArgumentException if amount < 0
+     * @throws IllegalArgumentException if amount is less than 0
      */
     Mono<@NotNull Void> setCoins(UUID playerId, int amount);
 }

core-bukkit-api/src/main/java/de/kentoj/scrow/bukkit/friends/FriendRequestUsageException.java

@@ -1,12 +0,0 @@
-package de.kentoj.scrow.bukkit.friends;
-
-public class FriendRequestUsageException extends RuntimeException {
-
-    public FriendRequestUsageException(String message) {
-        super(message);
-    }
-
-    public FriendRequestUsageException(String message, Throwable cause) {
-        super(message, cause);
-    }
-}

core-bukkit-api/src/main/java/de/kentoj/scrow/bukkit/friends/FriendsService.java

@@ -10,22 +10,9 @@ public interface FriendsService {
 
     Flux<@NotNull Friendship> getFriendships(UUID playerId);
 
-    /**
-     * @param initiator id of player who wished to end the friendship
-     * @param other     id of the player the initiator wants to end the friendship with
-     * @throws FriendRequestUsageException
-     */
     Mono<@NotNull Boolean> removeFriend(Friendship friendship);
 
-    /**
-     * @param playerId
-     */
     Flux<@NotNull FriendRequest> getIncomingFriendRequests(UUID playerId);
 
     Flux<@NotNull FriendRequest> getOutgoingFriendRequests(UUID playerId);
-
-    /**
-     * @param from id of player sending the friend request
-     * @param to id of the player the initiator wants to befriend
-     */
 }

core-bukkit-impl/src/main/java/de/kentoj/scrow/bukkit/friends/handler/FriendAddHandler.java

@@ -1,5 +1,6 @@
 package de.kentoj.scrow.bukkit.friends.handler;
 
+import de.kentoj.kencommandapi.api.processing.CommandException;
 import de.kentoj.scrow.bukkit.ScrowAPI;
 import de.kentoj.scrow.bukkit.friends.friendship.FriendshipDAO;
 import de.kentoj.scrow.bukkit.friends.friendship.FriendshipImpl;
@@ -25,15 +26,18 @@ public class FriendAddHandler {
     public void handle() {
         findAction()
                 .flatMap(this::executeAction)
+                .doOnError(CommandException.class, e -> {
+                    ScrowAPI.getCommandManager().sendErrorMessage(self, e);
+                })
                 .subscribeOn(Schedulers.boundedElastic())
                 .subscribe();
     }
 
     private Mono<?> executeAction(AddAction action) {
         return switch (action) {
-            case ERR_ALREADY_FRIENDS -> sendMessage(self, "[friends] You are already friends with " + other.getName());
+            case ERR_CAN_NOT_ADD_SELF -> throw new CommandException("You can not add yourself");
-            case ERR_ALREADY_REQUESTED ->
+            case ERR_ALREADY_FRIENDS -> throw new CommandException("You are already friends with " + other.getName());
-                    sendMessage(self, "[friends] You already requested " + other.getName() + " to be friends with you");
+            case ERR_ALREADY_REQUESTED -> throw new CommandException("You already requested " + other.getName() + " to be friends with you");
             case SEND_REQUEST -> sendRequest();
             case ACCEPT_REQUEST -> acceptRequest();
         };
@@ -41,11 +45,11 @@ public class FriendAddHandler {
 
     private Mono<?> sendRequest() {
         return friendRequestDAO.saveFriendRequest(new FriendRequestImpl(self.getUniqueId(), other.getUniqueId(), Instant.now()))
-                .then(sendMessage(self.getPlayer(), "[friends] Successfully sent " + other.getName() + " a friend request."))
+                .then(sendMessage(self.getPlayer(), "Successfully sent " + other.getName() + " a friend request."))
                 .then(Mono.fromRunnable(() -> {
                     var otherPlayer = other.getPlayer();
                     if (otherPlayer != null)
-                        sendMessage(otherPlayer, "[friends] " + self.getName() + " wants to be friends with you. Use '/f add " + self.getName() + "' to accept.").subscribe();
+                        sendMessage(otherPlayer, self.getName() + " wants to be friends with you. Use '/f add " + self.getName() + "' to accept.").subscribe();
                 }))
                 .doOnError(this::handleError);
     }
@@ -56,16 +60,17 @@ public class FriendAddHandler {
                         friendRequestDAO.deleteFriendRequest(other.getUniqueId(), self.getUniqueId()),
                         friendshipDAO.saveFriendship(new FriendshipImpl(self.getUniqueId(), other.getUniqueId(), Instant.now()))
                 )
-                .then(sendMessage(self, "[friends] You are now friends with " + other.getName()))
+                .then(sendMessage(self, "You are now friends with " + other.getName()))
                 .then(Mono.fromRunnable(() -> {
                     var otherPlayer = other.getPlayer();
                     if (otherPlayer != null)
-                        sendMessage(otherPlayer, "[friends] You are now friends with " + self.getName()).subscribe();
+                        sendMessage(otherPlayer, "You are now friends with " + self.getName()).subscribe();
                 }))
                 .doOnError(this::handleError);
     }
 
     private Mono<@NotNull AddAction> findAction() {
+        if (self.getUniqueId() == other.getUniqueId()) return Mono.just(AddAction.ERR_CAN_NOT_ADD_SELF);
         return friendshipDAO.getFriendship(self.getUniqueId(), other.getUniqueId())
                 .map(f -> AddAction.ERR_ALREADY_FRIENDS)
                 .switchIfEmpty(
@@ -91,6 +96,7 @@ public class FriendAddHandler {
     private enum AddAction {
         ERR_ALREADY_FRIENDS,
         ERR_ALREADY_REQUESTED,
+        ERR_CAN_NOT_ADD_SELF,
         SEND_REQUEST,
         ACCEPT_REQUEST
     }