add PRESENCE_UPDATE handling (for user object only)

discord/discord.cpp

@@ -519,6 +519,9 @@ void DiscordClient::HandleGatewayMessage(std::string str) {
                     case GatewayEvent::GUILD_MEMBER_UPDATE: {
                         HandleGatewayGuildMemberUpdate(m);
                     } break;
+                    case GatewayEvent::PRESENCE_UPDATE: {
+                        HandleGatewayPresenceUpdate(m);
+                    } break;
                 }
             } break;
             default:
@@ -600,6 +603,12 @@ void DiscordClient::HandleGatewayGuildMemberUpdate(const GatewayMessage &msg) {
     m_store.SetGuildMemberData(data.GuildID, data.User.ID, member);
 }
 
+void DiscordClient::HandleGatewayPresenceUpdate(const GatewayMessage &msg) {
+    PresenceUpdateMessage data = msg.Data;
+    auto cur = m_store.GetUser(data.User.at("id").get<Snowflake>());
+    User::update_from_json(data.User, *cur);
+}
+
 void DiscordClient::HandleGatewayMessageUpdate(const GatewayMessage &msg) {
     Snowflake id = msg.Data.at("id");
 
@@ -728,6 +737,7 @@ void DiscordClient::LoadEventMap() {
     m_event_map["GUILD_DELETE"] = GatewayEvent::GUILD_DELETE;
     m_event_map["MESSAGE_DELETE_BULK"] = GatewayEvent::MESSAGE_DELETE_BULK;
     m_event_map["GUILD_MEMBER_UPDATE"] = GatewayEvent::GUILD_MEMBER_UPDATE;
+    m_event_map["PRESENCE_UPDATE"] = GatewayEvent::PRESENCE_UPDATE;
 }
 
 DiscordClient::type_signal_gateway_ready DiscordClient::signal_gateway_ready() {

discord/discord.hpp

@@ -124,6 +124,7 @@ private:
     void HandleGatewayGuildDelete(const GatewayMessage &msg);
     void HandleGatewayMessageDeleteBulk(const GatewayMessage &msg);
     void HandleGatewayGuildMemberUpdate(const GatewayMessage &msg);
+    void HandleGatewayPresenceUpdate(const GatewayMessage &msg);
     void HeartbeatThread();
     void SendIdentify();
 

discord/objects.cpp

@@ -141,3 +141,17 @@ void from_json(const nlohmann::json &j, GuildMemberUpdateMessage &m) {
     JS_ON("nick", m.Nick);
     JS_D("joined_at", m.JoinedAt);
 }
+
+void from_json(const nlohmann::json &j, ClientStatus &m) {
+    JS_O("desktop", m.Desktop);
+    JS_O("mobile", m.Mobile);
+    JS_O("web", m.Web);
+}
+
+void from_json(const nlohmann::json &j, PresenceUpdateMessage &m) {
+    m.User = j.at("user");
+    JS_D("guild_id", m.GuildID);
+    JS_D("status", m.Status);
+    // JS_D("activities", m.Activities);
+    JS_D("client_status", m.ClientStatus);
+}

discord/objects.hpp

@@ -36,6 +36,7 @@ enum class GatewayEvent : int {
     GUILD_DELETE,
     MESSAGE_DELETE_BULK,
     GUILD_MEMBER_UPDATE,
+    PRESENCE_UPDATE,
 };
 
 struct GatewayMessage {
@@ -201,3 +202,21 @@ struct GuildMemberUpdateMessage {
 
     friend void from_json(const nlohmann::json &j, GuildMemberUpdateMessage &m);
 };
+
+struct ClientStatus {
+    std::string Desktop; // opt
+    std::string Mobile; // opt
+    std::string Web; // opt
+
+    friend void from_json(const nlohmann::json &j, ClientStatus &m);
+};
+
+struct PresenceUpdateMessage {
+    nlohmann::json User; // the client updates an existing object from this data
+    Snowflake GuildID;
+    std::string Status;
+    // std::vector<Activity> Activities;
+    ClientStatus ClientStatus;
+
+    friend void from_json(const nlohmann::json &j, PresenceUpdateMessage &m);
+};

discord/user.cpp

@@ -32,3 +32,22 @@ void from_json(const nlohmann::json &j, User &m) {
     JS_ON("nsfw_allowed", m.IsNSFWAllowed);
     JS_ON("phone", m.Phone);
 }
+
+void User::update_from_json(const nlohmann::json &j, User &m) {
+    JS_ON("username", m.Username);
+    JS_ON("discriminator", m.Discriminator);
+    JS_ON("avatar", m.Avatar);
+    JS_ON("bot", m.IsBot);
+    JS_ON("system", m.IsSystem);
+    JS_ON("mfa_enabled", m.IsMFAEnabled);
+    JS_ON("locale", m.Locale);
+    JS_ON("verified", m.IsVerified);
+    JS_ON("email", m.Email);
+    JS_ON("flags", m.Flags);
+    JS_ON("premium_type", m.PremiumType);
+    JS_ON("public_flags", m.PublicFlags);
+    JS_ON("desktop", m.IsDesktop);
+    JS_ON("mobile", m.IsMobile);
+    JS_ON("nsfw_allowed", m.IsNSFWAllowed);
+    JS_ON("phone", m.Phone);
+}

discord/user.hpp

@@ -25,6 +25,7 @@ struct User {
     std::string Phone;          // null?
 
     friend void from_json(const nlohmann::json &j, User &m);
+    static void update_from_json(const nlohmann::json &j, User &m);
 
     bool HasAvatar() const;
     std::string GetAvatarURL(std::string ext = "png", std::string size = "32") const;