From 6bb155ffd01afcbaf8aad60d17ef8fe6ad9877ec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Fern=C3=A1ndez=20Aldana?= <luskaner@gmail.com>
Date: Sun, 9 Aug 2026 18:59:41 +0200
Subject: [PATCH] Add support for clientLibVersion >= 194 for message sending
 in match

---
 server/internal/models/advertisement.go       |  5 ++--
 server/internal/models/message.go             | 23 ++++++++++++++-----
 .../routes/game/party/sendMatchChat.go        |  5 ++--
 3 files changed, 23 insertions(+), 10 deletions(-)

diff --git a/server/internal/models/advertisement.go b/server/internal/models/advertisement.go
index e6e2cbc0..d43647dd 100644
--- a/server/internal/models/advertisement.go
+++ b/server/internal/models/advertisement.go
@@ -64,7 +64,7 @@ type Advertisement interface {
 	GetIp() string
 	UnsafeGetHostId() int32
 	GetPeers() *i.SafeOrderedMap[int32, Peer]
-	MakeMessage(broadcast bool, content string, typeId uint8, sender User, receivers []User) Message
+	MakeMessage(broadcast bool, content string, typeId uint8, metadata string, sender User, receivers []User) Message
 	StartObserving(userId int32)
 	StopObserving(userId int32)
 	EncodePeers() []i.A
@@ -327,7 +327,7 @@ func (advs *MainAdvertisements) Store(advFrom *shared.AdvertisementHostRequest,
 	return storedAdv
 }
 
-func (adv *MainAdvertisement) MakeMessage(broadcast bool, content string, typeId uint8, sender User, receivers []User) Message {
+func (adv *MainAdvertisement) MakeMessage(broadcast bool, content string, typeId uint8, metadata string, sender User, receivers []User) Message {
 	return &MainMessage{
 		advertisementId: adv.GetId(),
 		time:            time.Now().UTC().Unix(),
@@ -336,6 +336,7 @@ func (adv *MainAdvertisement) MakeMessage(broadcast bool, content string, typeId
 		typ:             typeId,
 		sender:          sender,
 		receivers:       receivers,
+		metadata:        metadata,
 	}
 }
 
diff --git a/server/internal/models/message.go b/server/internal/models/message.go
index 70195834..b01da3da 100644
--- a/server/internal/models/message.go
+++ b/server/internal/models/message.go
@@ -12,7 +12,8 @@ type Message interface {
 	GetSender() User
 	GetReceivers() []User
 	GetAdvertisementId() int32
-	Encode() i.A
+	GetMetadata() string
+	Encode(clientLibVersion uint16) i.A
 }
 
 type MainMessage struct {
@@ -20,9 +21,11 @@ type MainMessage struct {
 	time            int64
 	broadcast       bool
 	content         string
-	typ             uint8
-	sender          User
-	receivers       []User
+	// Only used for clientLibVersion >= 194, json encoded
+	metadata  string
+	typ       uint8
+	sender    User
+	receivers []User
 }
 
 func (message *MainMessage) GetTime() int64 {
@@ -53,12 +56,20 @@ func (message *MainMessage) GetAdvertisementId() int32 {
 	return message.advertisementId
 }
 
-func (message *MainMessage) Encode() i.A {
-	return i.A{
+func (message *MainMessage) GetMetadata() string {
+	return message.metadata
+}
+
+func (message *MainMessage) Encode(clientLibVersion uint16) i.A {
+	msg := i.A{
 		message.sender.GetId(),
 		message.content,
 		message.content,
 		message.typ,
 		message.advertisementId,
 	}
+	if clientLibVersion >= 194 {
+		msg = append(msg, message.metadata)
+	}
+	return msg
 }
diff --git a/server/internal/routes/game/party/sendMatchChat.go b/server/internal/routes/game/party/sendMatchChat.go
index 95c6bfd9..b7871343 100644
--- a/server/internal/routes/game/party/sendMatchChat.go
+++ b/server/internal/routes/game/party/sendMatchChat.go
@@ -15,6 +15,7 @@ type request struct {
 	MatchID       int32  `schema:"match_id"`
 	Broadcast     bool   `schema:"broadcast"`
 	Message       string `schema:"message"`
+	Metadata      string `schema:"metadata"`
 }
 
 type profileIds struct {
@@ -86,11 +87,11 @@ func SendMatchChat(w http.ResponseWriter, r *http.Request) {
 		req.Broadcast,
 		req.Message,
 		req.MessageTypeID,
+		req.Metadata,
 		currentUser,
 		receivers,
 	)
 
-	messageEncoded := message.Encode()
 	sessions := g.Sessions()
 	var receiverSession models.Session
 	for _, receiver := range receivers {
@@ -101,7 +102,7 @@ func SendMatchChat(w http.ResponseWriter, r *http.Request) {
 		wss.SendOrStoreMessage(
 			receiverSession,
 			"MatchReceivedChatMessage",
-			messageEncoded,
+			message.Encode(receiverSession.GetClientLibVersion()),
 		)
 	}
 	i.JSON(&w, i.A{0})