fix: group application (#2367)

* fix: group application

* feat: constant

internal/rpc/group/notification.go

@@ -17,13 +17,13 @@ package group
 import (
 	"context"
 	"fmt"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/model"
-	"github.com/openimsdk/open-im-server/v3/pkg/rpcclient/notification"
 
 	"github.com/openimsdk/open-im-server/v3/pkg/authverify"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/servererrs"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/controller"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/model"
 	"github.com/openimsdk/open-im-server/v3/pkg/rpcclient"
+	"github.com/openimsdk/open-im-server/v3/pkg/rpcclient/notification"
 	"github.com/openimsdk/protocol/constant"
 	pbgroup "github.com/openimsdk/protocol/group"
 	"github.com/openimsdk/protocol/sdkws"
@@ -34,6 +34,12 @@ import (
 	"github.com/openimsdk/tools/utils/stringutil"
 )
 
+// GroupApplicationReceiver
+const (
+	applicantReceiver = iota
+	adminReceiver
+)
+
 func NewGroupNotificationSender(db controller.GroupDatabase, msgRpcClient *rpcclient.MessageRpcClient, userRpcClient *rpcclient.UserRpcClient, config *Config, fn func(ctx context.Context, userIDs []string) ([]notification.CommonUser, error)) *GroupNotificationSender {
 	return &GroupNotificationSender{
 		NotificationSender: rpcclient.NewNotificationSender(&config.NotificationConfig, rpcclient.WithRpcClient(msgRpcClient), rpcclient.WithUserRpcClient(userRpcClient)),
@@ -400,15 +406,17 @@ func (g *GroupNotificationSender) GroupApplicationAcceptedNotification(ctx conte
 	if err != nil {
 		return
 	}
-	tips := &sdkws.GroupApplicationAcceptedTips{Group: group, HandleMsg: req.HandledMsg}
-	if err = g.fillOpUser(ctx, &tips.OpUser, tips.Group.GroupID); err != nil {
+
+	var opUser *sdkws.GroupMemberFullInfo
+	if err = g.fillOpUser(ctx, &opUser, group.GroupID); err != nil {
 		return
 	}
 	for _, userID := range append(userIDs, req.FromUserID) {
+		tips := &sdkws.GroupApplicationAcceptedTips{Group: group, OpUser: opUser, HandleMsg: req.HandledMsg}
 		if userID == req.FromUserID {
-			tips.ReceiverAs = 0
+			tips.ReceiverAs = applicantReceiver
 		} else {
-			tips.ReceiverAs = 1
+			tips.ReceiverAs = adminReceiver
 		}
 		g.Notification(ctx, mcontext.GetOpUserID(ctx), userID, constant.GroupApplicationAcceptedNotification, tips)
 	}
@@ -431,15 +439,17 @@ func (g *GroupNotificationSender) GroupApplicationRejectedNotification(ctx conte
 	if err != nil {
 		return
 	}
-	tips := &sdkws.GroupApplicationRejectedTips{Group: group, HandleMsg: req.HandledMsg}
-	if err = g.fillOpUser(ctx, &tips.OpUser, tips.Group.GroupID); err != nil {
+
+	var opUser *sdkws.GroupMemberFullInfo
+	if err = g.fillOpUser(ctx, &opUser, group.GroupID); err != nil {
 		return
 	}
 	for _, userID := range append(userIDs, req.FromUserID) {
+		tips := &sdkws.GroupApplicationAcceptedTips{Group: group, OpUser: opUser, HandleMsg: req.HandledMsg}
 		if userID == req.FromUserID {
-			tips.ReceiverAs = 0
+			tips.ReceiverAs = applicantReceiver
 		} else {
-			tips.ReceiverAs = 1
+			tips.ReceiverAs = adminReceiver
 		}
 		g.Notification(ctx, mcontext.GetOpUserID(ctx), userID, constant.GroupApplicationRejectedNotification, tips)
 	}