fix

fix listen loop
improve example

chats_api.go

@@ -53,3 +53,23 @@ func (c *Client) IndexChats(ctx context.Context, req *IndexChatsQuery) ([]*Chat,
 
 	return resp, nil
 }
+func (c *Client) IndexRelations(ctx context.Context) ([]*User, error) {
+	httpReq, err := http.NewRequest("GET", "https://api.groupme.com/v4"+"/relationships", nil)
+	if err != nil {
+		return nil, err
+	}
+
+	URL := httpReq.URL
+	query := URL.Query()
+
+	query.Set("include_blocked", "true")
+	URL.RawQuery = query.Encode()
+
+	var resp []*User
+	err = c.doWithAuthToken(ctx, httpReq, &resp)
+	if err != nil {
+		return nil, err
+	}
+
+	return resp, nil
+}

examples/real_time_updates/main.go

@@ -0,0 +1,185 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+
+	"github.com/densestvoid/groupme"
+	"github.com/karmanyaahm/wray"
+)
+
+// This is not a real token. Please find yours by logging
+// into the GroupMe development website: https://dev.groupme.com/
+
+var authorizationToken = "ABCD"
+
+//This adapts your faye library to an interface compatible with this library
+type FayeClient struct {
+	*wray.FayeClient
+}
+
+func (fc FayeClient) WaitSubscribe(channel string, msgChannel chan groupme.PushMessage) {
+	c_new := make(chan wray.Message)
+	fc.FayeClient.WaitSubscribe(channel, c_new)
+	//converting between types because channels don't support interfaces well
+	go func() {
+		for i := range c_new {
+			msgChannel <- i
+		}
+	}()
+}
+
+//for authentication, specific implementation will vary based on faye library
+type AuthExt struct{}
+
+func (a *AuthExt) In(wray.Message) {}
+func (a *AuthExt) Out(m wray.Message) {
+	groupme.OutMsgProc(m)
+}
+
+//specific to faye library
+type fayeLogger struct{}
+
+func (l fayeLogger) Infof(f string, a ...interface{}) {
+	log.Printf("[INFO]  : "+f, a...)
+}
+func (l fayeLogger) Errorf(f string, a ...interface{}) {
+	log.Printf("[ERROR] : "+f, a...)
+}
+func (l fayeLogger) Debugf(f string, a ...interface{}) {
+	log.Printf("[DEBUG] : "+f, a...)
+}
+func (l fayeLogger) Warnf(f string, a ...interface{}) {
+	log.Printf("[WARN]  : "+f, a...)
+}
+
+// A short program that subscribes to 2 groups and 2 direct chats
+// and prints out all recognized events in those
+func main() {
+
+	//Create and initialize fayeclient
+	fc := FayeClient{wray.NewFayeClient(groupme.PushServer)}
+	fc.SetLogger(fayeLogger{})
+	fc.AddExtension(&AuthExt{})
+	//for additional logging uncomment the following line
+	//fc.AddExtension(fc.FayeClient)
+
+	//create push subscription and start listening
+	p := groupme.NewPushSubscription(context.Background())
+	go p.StartListening(context.TODO(), fc)
+
+	// Create a new client with your auth token
+	client := groupme.NewClient(authorizationToken)
+	User, _ := client.MyUser(context.Background())
+	//Subscribe to get messages and events for the specific user
+	err := p.SubscribeToUser(context.Background(), User.ID, authorizationToken)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	//handles (in this case prints) all messages
+	p.AddFullHandler(Handler{User: User})
+
+	// Get the groups your user is part of
+	groups, err := client.IndexGroups(
+		context.Background(),
+		&groupme.GroupsQuery{
+			Page:    0,
+			PerPage: 2,
+			Omit:    "memberships",
+		})
+
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+	//Subscribe to those groups
+	for _, j := range groups {
+		err = p.SubscribeToGroup(context.TODO(), j.ID, authorizationToken)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+
+	//get chats your user is part of
+	chats, err := client.IndexChats(context.Background(),
+		&groupme.IndexChatsQuery{
+			Page:    0,
+			PerPage: 2,
+		})
+	//subscribe to all those chats
+	for _, j := range chats {
+		err = p.SubscribeToDM(context.TODO(), j.LastMessage.ConversationID, authorizationToken)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+
+	//blocking
+	<-make(chan (struct{}))
+}
+
+//Following example handlers print out all data
+type Handler struct {
+	User *groupme.User
+}
+
+func (h Handler) HandleError(e error) {
+	fmt.Println(e)
+}
+
+func (h Handler) HandleTextMessage(msg groupme.Message) {
+	fmt.Println(msg.Text, msg.Name, msg.Attachments)
+}
+
+func (h Handler) HandleJoin(group groupme.ID) {
+	fmt.Println("User joined group with id", group.String())
+}
+
+func (h Handler) HandleLike(msg groupme.Message) {
+	fmt.Println(msg.ID, "liked by", msg.FavoritedBy)
+}
+
+func (h Handler) HandlerMembership(i groupme.ID) {
+	fmt.Println("Membership event on", i.String())
+}
+
+func (h Handler) HandleGroupTopic(group groupme.ID, newTopic string) {
+	fmt.Println(group.String(), "has new topic of", newTopic)
+}
+func (h Handler) HandleGroupName(group groupme.ID, newName string) {
+	fmt.Println(group.String(), "has new name of", newName)
+}
+func (h Handler) HandleGroupAvatar(group groupme.ID, newAvatar string) {
+	fmt.Println(group.String(), "has new avatar url of", newAvatar)
+}
+
+func (h Handler) HandleLikeIcon(group groupme.ID, PackID, PackIndex int, Type string) {
+	//Not sure how to use without groupme icon packs
+	if len(Type) == 0 {
+		fmt.Println("Default like icon set")
+		return
+	}
+	fmt.Println(group.String(), "has new like icon of", PackID, PackIndex, Type)
+}
+
+func (h Handler) HandleNewNickname(group groupme.ID, user groupme.ID, newName string) {
+	fmt.Printf("In group %s, user %s has new nickname %s\n", group.String(), user.String(), newName)
+}
+func (h Handler) HandleNewAvatarInGroup(group groupme.ID, user groupme.ID, avatarURL string) {
+	if avatarURL == "" {
+		//get default avatar
+		avatarURL = h.User.ImageURL
+	}
+	fmt.Printf("In group %s, user %s has new avatar with url %s\n", group.String(), user.String(), avatarURL)
+}
+
+func (h Handler) HandleMembers(group groupme.ID, members []groupme.Member, added bool) {
+	action := "removed"
+	if added {
+		action = "added"
+	}
+
+	fmt.Printf("In group %s, users %v %s\n", group.String(), members, action)
+}

go.mod

@@ -5,5 +5,6 @@ go 1.15
 require (
 	github.com/google/uuid v1.2.0
 	github.com/gorilla/mux v1.8.0
+	github.com/karmanyaahm/wray v0.0.0-20210303233435-756d58657c14
 	github.com/stretchr/testify v1.7.0
 )

go.sum

@@ -1,15 +1,30 @@
+github.com/autogrowsystems/wray v0.0.0-20160519030252-f36984f6648c/go.mod h1:druJ8QMeBCUmwJ7ZSFowx77dWxEWF3SYlQlsqZaLZQg=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/google/uuid v1.2.0 h1:qJYtXnJRWmpe7m/3XlyhrsLrEURqHRM2kxzoxXqyUDs=
 github.com/google/uuid v1.2.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
+github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
+github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
+github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
+github.com/karmanyaahm/wray v0.0.0-20210303233435-756d58657c14 h1:NrATjZKvkY+ojL8FXTWa3fQ+wihFrAxLNE6T+wOkIcY=
+github.com/karmanyaahm/wray v0.0.0-20210303233435-756d58657c14/go.mod h1:ysD86MIEevmAkdfdg5s6Qt3I07RN6fvMAyna7jCGG2o=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
+github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
+github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
+github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
+github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=

json.go

@@ -111,6 +111,8 @@ type Message struct {
 	System      bool       `json:"system,omitempty"`
 	Name        string     `json:"name,omitempty"`
 	RecipientID ID         `json:"recipient_id,omitempty"`
+	//ChatID - over push ConversationID seems to be called ChatID
+	ChatID         ID     `json:"chat_id,omitempty"`
 	ConversationID ID     `json:"conversation_id,omitempty"`
 	AvatarURL      string `json:"avatar_url,omitempty"`
 	// Maximum length of 1000 characters

real_time.go

@@ -0,0 +1,208 @@
+package groupme
+
+import (
+	"context"
+	"errors"
+	"log"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/karmanyaahm/wray"
+)
+
+const (
+	PushServer       = "https://push.groupme.com/faye"
+	userChannel      = "/user/"
+	groupChannel     = "/group/"
+	dmChannel        = "/direct_message/"
+	subscribeChannel = "/meta/subscribe"
+)
+
+var (
+	ErrHandlerNotFound    = errors.New("Handler not found")
+	ErrListenerNotStarted = errors.New("GroupMe listener not started")
+)
+
+var concur = sync.Mutex{}
+var token string
+
+func init() {
+	wray.RegisterTransports([]wray.Transport{&wray.HTTPTransport{}})
+}
+
+type HandlerAll interface {
+	Handler
+
+	//of self
+	HandlerText
+	HandlerLike
+	HandlerMembership
+
+	//of group
+	HandleGroupTopic
+	HandleGroupAvatar
+	HandleGroupName
+	HandleGroupLikeIcon
+
+	//of group members
+	HandleMemberNewNickname
+	HandleMemberNewAvatar
+	HandleMembers
+}
+type Handler interface {
+	HandleError(error)
+}
+type HandlerText interface {
+	HandleTextMessage(Message)
+}
+type HandlerLike interface {
+	HandleLike(Message)
+}
+type HandlerMembership interface {
+	HandleJoin(ID)
+}
+
+//Group Handlers
+type HandleGroupTopic interface {
+	HandleGroupTopic(group ID, newTopic string)
+}
+
+type HandleGroupName interface {
+	HandleGroupName(group ID, newName string)
+}
+type HandleGroupAvatar interface {
+	HandleGroupAvatar(group ID, newAvatar string)
+}
+type HandleGroupLikeIcon interface {
+	HandleLikeIcon(group ID, PackID, PackIndex int, Type string)
+}
+
+//Group member handlers
+type HandleMemberNewNickname interface {
+	HandleNewNickname(group ID, user ID, newName string)
+}
+
+type HandleMemberNewAvatar interface {
+	HandleNewAvatarInGroup(group ID, user ID, avatarURL string)
+}
+type HandleMembers interface {
+	//HandleNewMembers returns only partial member with id and nickname; added is false if removing
+	HandleMembers(group ID, members []Member, added bool)
+}
+
+type PushMessage interface {
+	Channel() string
+	Data() map[string]interface{}
+	Ext() map[string]interface{}
+	Error() string
+}
+
+type FayeClient interface {
+	//Listen starts a blocking listen loop
+	Listen()
+	//WaitSubscribe is a blocking/synchronous subscribe method
+	WaitSubscribe(channel string, msgChannel chan PushMessage)
+}
+
+//PushSubscription manages real time subscription
+type PushSubscription struct {
+	channel       chan PushMessage
+	fayeClient    FayeClient
+	handlers      []Handler
+	LastConnected int64
+}
+
+//NewPushSubscription creates and returns a push subscription object
+func NewPushSubscription(context context.Context) PushSubscription {
+
+	r := PushSubscription{
+		channel: make(chan PushMessage),
+	}
+
+	return r
+}
+
+func (r *PushSubscription) AddHandler(h Handler) {
+	r.handlers = append(r.handlers, h)
+}
+
+//AddFullHandler is the same as AddHandler except it ensures the interface implements everything
+func (r *PushSubscription) AddFullHandler(h HandlerAll) {
+	r.handlers = append(r.handlers, h)
+}
+
+var RealTimeHandlers map[string]func(r *PushSubscription, channel string, data ...interface{})
+var RealTimeSystemHandlers map[string]func(r *PushSubscription, channel string, id ID, rawData []byte)
+
+//Listen connects to GroupMe. Runs in Goroutine.
+func (r *PushSubscription) StartListening(context context.Context, client FayeClient) {
+	r.fayeClient = client
+
+	go r.fayeClient.Listen()
+
+	go func() {
+		for msg := range r.channel {
+			r.LastConnected = time.Now().Unix()
+			data := msg.Data()
+			content := data["subject"]
+			contentType := data["type"].(string)
+			channel := msg.Channel()
+
+			handler, ok := RealTimeHandlers[contentType]
+			if !ok {
+				if contentType == "ping" ||
+					len(contentType) == 0 ||
+					content == nil {
+					continue
+				}
+				log.Println("Unable to handle GroupMe message type", contentType)
+			}
+
+			handler(r, channel, content)
+		}
+	}()
+}
+
+//SubscribeToUser to users
+func (r *PushSubscription) SubscribeToUser(context context.Context, id ID, authToken string) error {
+	return r.subscribeWithPrefix(userChannel, context, id, authToken)
+}
+
+//SubscribeToGroup to groups for typing notification
+func (r *PushSubscription) SubscribeToGroup(context context.Context, id ID, authToken string) error {
+	return r.subscribeWithPrefix(groupChannel, context, id, authToken)
+}
+
+//SubscribeToDM to users
+func (r *PushSubscription) SubscribeToDM(context context.Context, id ID, authToken string) error {
+	id = ID(strings.Replace(id.String(), "+", "_", 1))
+	return r.subscribeWithPrefix(dmChannel, context, id, authToken)
+}
+
+func (r *PushSubscription) subscribeWithPrefix(prefix string, context context.Context, groupID ID, authToken string) error {
+	concur.Lock()
+	defer concur.Unlock()
+	if r.fayeClient == nil {
+		return ErrListenerNotStarted
+	}
+
+	token = authToken
+	r.fayeClient.WaitSubscribe(prefix+groupID.String(), r.channel)
+
+	return nil
+}
+
+//Connected check if connected
+func (r *PushSubscription) Connected() bool {
+	return r.LastConnected+30 >= time.Now().Unix()
+}
+
+// Out adds the authentication token to the messages ext field
+func OutMsgProc(msg PushMessage) {
+	if msg.Channel() == subscribeChannel {
+		ext := msg.Ext()
+		ext["access_token"] = token
+		ext["timestamp"] = time.Now().Unix()
+	}
+}

real_time_handler.go

@@ -0,0 +1,239 @@
+package groupme
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"strconv"
+)
+
+func init() {
+
+	RealTimeHandlers = make(map[string]func(r *PushSubscription, channel string, data ...interface{}))
+
+	//Base Handlers on user channel
+	RealTimeHandlers["direct_message.create"] = func(r *PushSubscription, channel string, data ...interface{}) {
+		b, _ := json.Marshal(data[0])
+		out := Message{}
+		_ = json.Unmarshal(b, &out)
+
+		//maybe something with API versioning
+		out.ConversationID = out.ChatID
+
+		if out.UserID.String() == "system" {
+			event := struct {
+				Event struct {
+					Kind string `json:"type"`
+					Data interface{}
+				}
+			}{}
+
+			err := json.Unmarshal(b, &event)
+			if err != nil {
+				fmt.Println(err)
+			}
+			rawData, _ := json.Marshal(event.Event.Data)
+			handler, ok := RealTimeSystemHandlers[event.Event.Kind]
+			if !ok {
+				log.Println("Unable to handle system message of type", event.Event.Kind)
+				return
+			}
+
+			id := out.GroupID
+			if len(id) == 0 {
+				id = out.ConversationID
+			}
+
+			handler(r, channel, id, rawData)
+			return
+		}
+
+		for _, h := range r.handlers {
+			if h, ok := h.(HandlerText); ok {
+				h.HandleTextMessage(out)
+			}
+		}
+	}
+
+	RealTimeHandlers["line.create"] = RealTimeHandlers["direct_message.create"]
+
+	RealTimeHandlers["like.create"] = func(r *PushSubscription, channel string, data ...interface{}) { //should be an associated chatEvent
+	}
+
+	RealTimeHandlers["membership.create"] = func(r *PushSubscription, channel string, data ...interface{}) {
+		c, _ := data[0].(map[string]interface{})
+		id, _ := c["id"].(string)
+
+		for _, h := range r.handlers {
+			if h, ok := h.(HandlerMembership); ok {
+				h.HandleJoin(ID(id))
+			}
+		}
+
+	}
+
+	//following are for each chat
+	RealTimeHandlers["favorite"] = func(r *PushSubscription, channel string, data ...interface{}) {
+		c, ok := data[0].(map[string]interface{})
+		if !ok {
+			fmt.Println(data, "err")
+			return
+		}
+		e, ok := c["line"]
+		if !ok {
+			fmt.Println(data, "err")
+			return
+		}
+		d, _ := json.Marshal(e)
+		msg := Message{}
+		_ = json.Unmarshal(d, &msg)
+		for _, h := range r.handlers {
+			if h, ok := h.(HandlerLike); ok {
+				h.HandleLike(msg)
+			}
+		}
+	}
+
+	//following are for messages from system (administrative/settings changes)
+	RealTimeSystemHandlers = make(map[string]func(r *PushSubscription, channel string, id ID, rawData []byte))
+
+	RealTimeSystemHandlers["membership.nickname_changed"] = func(r *PushSubscription, channel string, id ID, rawData []byte) {
+		thing := struct {
+			Name string
+			User struct {
+				ID int
+			}
+		}{}
+		_ = json.Unmarshal(rawData, &thing)
+
+		for _, h := range r.handlers {
+			if h, ok := h.(HandleMemberNewNickname); ok {
+				h.HandleNewNickname(id, ID(strconv.Itoa(thing.User.ID)), thing.Name)
+			}
+		}
+
+	}
+
+	RealTimeSystemHandlers["membership.avatar_changed"] = func(r *PushSubscription, channel string, id ID, rawData []byte) {
+		content := struct {
+			AvatarURL string `json:"avatar_url"`
+			User      struct {
+				ID int
+			}
+		}{}
+		_ = json.Unmarshal(rawData, &content)
+
+		for _, h := range r.handlers {
+			if h, ok := h.(HandleMemberNewAvatar); ok {
+				h.HandleNewAvatarInGroup(id, ID(strconv.Itoa(content.User.ID)), content.AvatarURL)
+			}
+		}
+
+	}
+
+	RealTimeSystemHandlers["membership.announce.added"] = func(r *PushSubscription, channel string, id ID, rawData []byte) {
+		data := struct {
+			Added []Member `json:"added_users"`
+		}{}
+		_ = json.Unmarshal(rawData, &data)
+		for _, h := range r.handlers {
+			if h, ok := h.(HandleMembers); ok {
+				h.HandleMembers(id, data.Added, true)
+			}
+		}
+	}
+
+	RealTimeSystemHandlers["membership.notifications.removed"] = func(r *PushSubscription, channel string, id ID, rawData []byte) {
+		data := struct {
+			Added Member `json:"removed_user"`
+		}{}
+		_ = json.Unmarshal(rawData, &data)
+		for _, h := range r.handlers {
+			if h, ok := h.(HandleMembers); ok {
+				h.HandleMembers(id, []Member{data.Added}, false)
+			}
+		}
+
+	}
+
+	RealTimeSystemHandlers["membership.name_change"] = func(r *PushSubscription, channel string, id ID, rawData []byte) {
+
+		data := struct {
+			Name string
+		}{}
+		_ = json.Unmarshal(rawData, &data)
+
+		for _, h := range r.handlers {
+			if h, ok := h.(HandleGroupName); ok {
+				h.HandleGroupName(id, data.Name)
+			}
+		}
+	}
+
+	RealTimeSystemHandlers["group.name_change"] = func(r *PushSubscription, channel string, id ID, rawData []byte) {
+
+		data := struct {
+			Name string
+		}{}
+		_ = json.Unmarshal(rawData, &data)
+
+		for _, h := range r.handlers {
+			if h, ok := h.(HandleGroupName); ok {
+				h.HandleGroupName(id, data.Name)
+			}
+		}
+	}
+
+	RealTimeSystemHandlers["group.topic_change"] = func(r *PushSubscription, channel string, id ID, rawData []byte) {
+
+		data := struct {
+			Topic string
+		}{}
+		_ = json.Unmarshal(rawData, &data)
+
+		for _, h := range r.handlers {
+			if h, ok := h.(HandleGroupTopic); ok {
+				h.HandleGroupTopic(id, data.Topic)
+			}
+		}
+	}
+
+	RealTimeSystemHandlers["group.avatar_change"] = func(r *PushSubscription, channel string, id ID, rawData []byte) {
+		data := struct {
+			AvatarURL string `json:"avatar_url"`
+		}{}
+		_ = json.Unmarshal(rawData, &data)
+
+		for _, h := range r.handlers {
+			if h, ok := h.(HandleGroupAvatar); ok {
+				h.HandleGroupAvatar(id, data.AvatarURL)
+			}
+		}
+	}
+
+	RealTimeSystemHandlers["group.like_icon_set"] = func(r *PushSubscription, channel string, id ID, rawData []byte) {
+		data := struct {
+			LikeIcon struct {
+				PackID    int `json:"pack_id"`
+				PackIndex int `json:"pack_index"`
+				Type      string
+			} `json:"like_icon"`
+		}{}
+		_ = json.Unmarshal(rawData, &data)
+
+		for _, h := range r.handlers {
+			if h, ok := h.(HandleGroupLikeIcon); ok {
+				h.HandleLikeIcon(id, data.LikeIcon.PackID, data.LikeIcon.PackIndex, data.LikeIcon.Type)
+			}
+		}
+	}
+
+	RealTimeSystemHandlers["group.like_icon_removed"] = func(r *PushSubscription, channel string, id ID, rawData []byte) {
+		for _, h := range r.handlers {
+			if h, ok := h.(HandleGroupLikeIcon); ok {
+				h.HandleLikeIcon(id, 0, 0, "")
+			}
+		}
+	}
+
+}