Implement friends list

src/main/java/emu/nebula/server/handlers/HandlerFriendRecommendationGetReq.java

@@ -0,0 +1,29 @@
+package emu.nebula.server.handlers;
+
+import emu.nebula.net.NetHandler;
+import emu.nebula.net.NetMsgId;
+import emu.nebula.proto.FriendRecommendationGet.FriendRecommendationGetResp;
+import emu.nebula.net.HandlerId;
+import emu.nebula.Nebula;
+import emu.nebula.net.GameSession;
+
+@HandlerId(NetMsgId.friend_recommendation_get_req)
+public class HandlerFriendRecommendationGetReq extends NetHandler {
+
+    @Override
+    public byte[] handle(GameSession session, byte[] message) throws Exception {
+        // Build response
+        var rsp = FriendRecommendationGetResp.newInstance();
+        
+        // Get players
+        var players = Nebula.getGameContext().getPlayerModule().getRandomPlayerList(session.getPlayer());
+        
+        for (var player : players) {
+            rsp.addFriends(player.getFriendProto());
+        }
+        
+        // Encode and send
+        return session.encodeMsg(NetMsgId.friend_recommendation_get_succeed_ack, rsp);
+    }
+
+}