feat: 获取单个群员信息

client/cache.go

@@ -150,15 +150,15 @@ func (c *QQClient) GetFriendsData() (map[uint32]*entity.Friend, error) {
 // GetGroupMembersData 获取指定群所有成员信息
 func (c *QQClient) GetGroupMembersData(groupUin uint32) (map[uint32]*entity.GroupMember, error) {
 	groupMembers := make(map[uint32]*entity.GroupMember)
-	members, token, err := c.FetchGroupMember(groupUin, "")
+	members, token, err := c.FetchGroupMembers(groupUin, "")
 	if err != nil {
 		return groupMembers, err
 	}
 	for _, member := range members {
 		groupMembers[member.Uin] = member
 	}
 	for token != "" {
-		members, token, err = c.FetchGroupMember(groupUin, token)
+		members, token, err = c.FetchGroupMembers(groupUin, token)
 		if err != nil {
 			return groupMembers, err
 		}

client/operation.go

@@ -46,8 +46,25 @@ func (c *QQClient) FetchGroups() ([]*entity.Group, error) {
 	return groups, nil
 }
 
-// FetchGroupMember 获取对应群的群成员信息，使用token可以获取下一页的群成员信息
-func (c *QQClient) FetchGroupMember(groupUin uint32, token string) ([]*entity.GroupMember, string, error) {
+// FetchGroupMember 获取对应群的群成员信息
+func (c *QQClient) FetchGroupMember(groupUin, memberUin uint32) (*entity.GroupMember, error) {
+	pkt, err := oidb2.BuildFetchMemberReq(groupUin, c.GetUid(memberUin, groupUin))
+	if err != nil {
+		return nil, err
+	}
+	resp, err := c.sendOidbPacketAndWait(pkt)
+	if err != nil {
+		return nil, err
+	}
+	members, err := oidb2.ParseFetchMemberResp(resp)
+	if err != nil {
+		return nil, err
+	}
+	return members, nil
+}
+
+// FetchGroupMembers 获取对应群的所有群成员信息，使用token可以获取下一页的群成员信息
+func (c *QQClient) FetchGroupMembers(groupUin uint32, token string) ([]*entity.GroupMember, string, error) {
 	pkt, err := oidb2.BuildFetchMembersReq(groupUin, token)
 	if err != nil {
 		return nil, "", err

client/packets/oidb/FetchMember.go

@@ -0,0 +1,49 @@
+package oidb
+
+import (
+	"github.com/LagrangeDev/LagrangeGo/client/entity"
+	"github.com/LagrangeDev/LagrangeGo/client/packets/pb/service/oidb"
+	"github.com/LagrangeDev/LagrangeGo/utils"
+)
+
+func BuildFetchMemberReq(groupUin uint32, memberUid string) (*OidbPacket, error) {
+	body := &oidb.OidbSvcTrpcTcp0XFE7_4{
+		GroupUin: groupUin,
+		Field2:   3,
+		Field3:   0,
+		Body: &oidb.OidbSvcTrpcScp0XFE7_3Body{
+			MemberName:       true,
+			MemberCard:       true,
+			Level:            true,
+			JoinTimestamp:    true,
+			LastMsgTimestamp: true,
+			Permission:       true,
+		},
+		Params: &oidb.OidbSvcTrpcScp0XFE7_4Params{Uid: memberUid},
+	}
+	return BuildOidbPacket(0xFE7, 4, body, false, false)
+}
+
+func ParseFetchMemberResp(data []byte) (*entity.GroupMember, error) {
+	var resp oidb.OidbSvcTrpcTcp0XFE7_4Response
+	_, err := ParseOidbPacket(data, &resp)
+	if err != nil {
+		return nil, err
+	}
+	interner := utils.NewStringInterner()
+	member := resp.Member
+	m := &entity.GroupMember{
+		Uin:         member.Uin.Uin,
+		Uid:         interner.Intern(member.Uin.Uid),
+		Permission:  entity.GroupMemberPermission(member.Permission),
+		MemberCard:  interner.Intern(member.MemberCard.MemberCard.Unwrap()),
+		MemberName:  interner.Intern(member.MemberName),
+		JoinTime:    member.JoinTimestamp,
+		LastMsgTime: member.LastMsgTimestamp,
+		Avatar:      interner.Intern(entity.FriendAvatar(member.Uin.Uin)),
+	}
+	if member.Level != nil {
+		m.GroupLevel = member.Level.Level
+	}
+	return m, nil
+}

client/packets/oidb/builder.go

@@ -48,6 +48,9 @@ func ParseOidbPacket(b []byte, pkt any) (oidbBaseResp oidb.OidbSvcTrpcTcpBase, e
 	if err != nil {
 		return
 	}
+	if oidbBaseResp.ErrorCode != 0 {
+		return oidbBaseResp, errors.New(oidbBaseResp.ErrorMsg)
+	}
 	if pkt == nil {
 		return
 	}

client/packets/pb/service/oidb/OidbSvcTrpcTcp0xFE7_3.proto

@@ -60,3 +60,21 @@ message OidbSvcTrpcTcp0xFE7_2Level {
   repeated uint32 Infos = 1;
   uint32 Level = 2;
 }
+
+message OidbSvcTrpcTcp0xFE7_4 {
+  uint32 GroupUin = 1;
+  uint32 Field2 = 2;
+  uint32 Field3 = 3;
+  OidbSvcTrpcScp0xFE7_3Body Body = 4;
+  OidbSvcTrpcScp0xFE7_4Params Params = 5;
+}
+
+message OidbSvcTrpcScp0xFE7_4Params {
+  string Uid = 2;
+}
+
+message OidbSvcTrpcTcp0xFE7_4Response {
+  uint32 GroupUin = 1;
+  OidbSvcTrpcTcp0xFE7_2Member Member = 2;
+  uint32 Field3 = 3;
+}