Create packet class for PacketCreator::showNotes

src/main/java/net/packet/out/ShowNotesPacket.java

@@ -0,0 +1,30 @@
+package net.packet.out;
+
+import model.Note;
+import net.opcodes.SendOpcode;
+import net.packet.ByteBufOutPacket;
+
+import java.util.List;
+import java.util.Objects;
+
+import static tools.PacketCreator.getTime;
+
+public final class ShowNotesPacket extends ByteBufOutPacket {
+
+    public ShowNotesPacket(List<Note> notes) {
+        super(SendOpcode.MEMO_RESULT);
+        Objects.requireNonNull(notes);
+
+        writeByte(3);
+        writeByte(notes.size());
+        notes.forEach(this::writeNote);
+    }
+
+    private void writeNote(Note note) {
+        writeInt(note.id());
+        writeString(note.from() + " "); //Stupid nexon forgot space lol
+        writeString(note.message());
+        writeLong(getTime(note.timestamp()));
+        writeByte(note.fame());
+    }
+}

src/main/java/net/server/channel/handlers/NoteActionHandler.java

@@ -64,7 +64,7 @@ public final class NoteActionHandler extends AbstractPacketHandler {
                 int id = p.readInt();
                 p.readByte(); //Fame, but we read it from the database :)
 
-                Optional<Note> discardedNote = noteService.discard(id);
+                Optional<Note> discardedNote = noteService.delete(id);
                 if (discardedNote.isEmpty()) {
                     log.warn("Note with id {} not able to be discarded. Already discarded?", id);
                     continue;

src/main/java/service/NoteService.java

@@ -4,12 +4,12 @@ import client.Character;
 import database.DaoException;
 import database.note.NoteDao;
 import model.Note;
-import net.packet.Packet;
+import net.packet.out.ShowNotesPacket;
 import net.server.Server;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import tools.PacketCreator;
 
+import java.util.Collections;
 import java.util.List;
 import java.util.Optional;
 
@@ -62,32 +62,43 @@ public class NoteService {
             throw new IllegalArgumentException("Unable to show notes - chr is null");
         }
 
-        final List<Note> notes;
-        try {
-            notes = noteDao.findAllByTo(chr.getName());
-        } catch (DaoException e) {
-            log.error("Failed to find notes sent to chr name {}", chr.getName(), e);
+        List<Note> notes = getNotes(chr.getName());
+        if (notes.isEmpty()) {
             return;
         }
 
-        Packet showNotesPacket = PacketCreator.showNotes(notes);
-        chr.sendPacket(showNotesPacket);
+        chr.sendPacket(new ShowNotesPacket(notes));
+    }
+
+    private List<Note> getNotes(String to) {
+        final List<Note> notes;
+        try {
+            notes = noteDao.findAllByTo(to);
+        } catch (DaoException e) {
+            log.error("Failed to find notes sent to chr name {}", to, e);
+            return Collections.emptyList();
+        }
+
+        if (notes == null || notes.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        return notes;
     }
 
     /**
-     * Discard a read note
+     * Delete a read note
      *
-     * @param id Id of note to discard
+     * @param noteId Id of note to discard
      * @return Discarded note. Empty optional if failed to discard.
      */
-    public Optional<Note> discard(int id) {
+    public Optional<Note> delete(int noteId) {
         try {
-            return noteDao.delete(id);
+            return noteDao.delete(noteId);
         } catch (DaoException e) {
-            log.error("Failed to discard note with id {}", id, e);
+            log.error("Failed to discard note with id {}", noteId, e);
             return Optional.empty();
         }
     }
 
-
 }

src/main/java/tools/PacketCreator.java

@@ -40,7 +40,6 @@ import constants.inventory.ItemConstants;
 import constants.skills.Buccaneer;
 import constants.skills.Corsair;
 import constants.skills.ThunderBreaker;
-import model.Note;
 import net.encryption.InitializationVector;
 import net.opcodes.SendOpcode;
 import net.packet.ByteBufOutPacket;
@@ -72,7 +71,6 @@ import server.movement.LifeMovementFragment;
 
 import java.awt.*;
 import java.net.InetAddress;
-import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.List;
 import java.util.*;
@@ -5423,20 +5421,6 @@ public class PacketCreator {
         return p;
     }
 
-    public static Packet showNotes(List<Note> notes) {
-        final OutPacket p = OutPacket.create(SendOpcode.MEMO_RESULT);
-        p.writeByte(3);
-        p.writeByte(notes.size());
-        notes.forEach(note -> {
-            p.writeInt(note.id());
-            p.writeString(note.from() + " ");//Stupid nexon forgot space lol
-            p.writeString(note.message());
-            p.writeLong(getTime(note.timestamp()));
-            p.writeByte(note.fame());//FAME :D
-        });
-        return p;
-    }
-
     public static Packet useChalkboard(Character chr, boolean close) {
         OutPacket p = OutPacket.create(SendOpcode.CHALKBOARD);
         p.writeInt(chr.getId());