feat: 添加群组和群成员信息获取功能

- 新增 action/group_member.go 文件，实现获取群组列表和群成员列表的方法
- 在 constants/uri.go 中定义群组相关的 API 路径常量
- 在 model/group.go 中添加群组和群成员的数据结构定义

action/group_member.go

@@ -0,0 +1,58 @@
+package action
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+
+	"git.lxtend.com/qqbot/config"
+	"git.lxtend.com/qqbot/constants"
+	"git.lxtend.com/qqbot/model"
+)
+
+func GetGroupMemberList(groupID int64) ([]model.GroupMember, error) {
+	fullURL := fmt.Sprintf("http://%s%s?group_id=%d", config.ConfigManager.GetConfig().NapcatHttpSrv, constants.GET_GROUP_MEMBER_LIST, groupID)
+
+	response, err := http.Get(fullURL)
+	if err != nil {
+		return nil, err
+	}
+	defer response.Body.Close()
+
+	body, err := io.ReadAll(response.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	var groupMemberListResponse model.GroupMemberListResponse
+	err = json.Unmarshal(body, &groupMemberListResponse)
+	if err != nil {
+		return nil, err
+	}
+
+	return groupMemberListResponse.Data, nil
+}
+
+func GetGroupList() ([]model.Group, error) {
+	fullURL := fmt.Sprintf("http://%s%s", config.ConfigManager.GetConfig().NapcatHttpSrv, constants.GET_GROUP_LIST)
+
+	response, err := http.Get(fullURL)
+	if err != nil {
+		return nil, err
+	}
+	defer response.Body.Close()
+
+	body, err := io.ReadAll(response.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	var groupListResponse model.GroupListResponse
+	err = json.Unmarshal(body, &groupListResponse)
+	if err != nil {
+		return nil, err
+	}
+
+	return groupListResponse.Data, nil
+}

constants/uri.go

@@ -0,0 +1,6 @@
+package constants
+
+const (
+	GET_GROUP_LIST        = "/get_group_list"
+	GET_GROUP_MEMBER_LIST = "/get_group_member_list"
+)

model/group.go

@@ -0,0 +1,47 @@
+package model
+
+type Group struct {
+	GroupID        int64  `json:"group_id"`
+	GroupName      string `json:"group_name"`
+	MemberCount    int    `json:"member_count"`
+	MaxMemberCount int    `json:"max_member_count"`
+}
+
+type GroupListResponse struct {
+	Status  string  `json:"status"`
+	Retcode int     `json:"retcode"`
+	Data    []Group `json:"data"`
+	Message string  `json:"message"`
+	Wording string  `json:"wording"`
+	Echo    string  `json:"echo"`
+}
+
+type GroupMember struct {
+	GroupID         int64  `json:"group_id"`
+	UserID          int64  `json:"user_id"`
+	Nickname        string `json:"nickname"`
+	Card            string `json:"card"`
+	Sex             string `json:"sex"`
+	Age             int    `json:"age"`
+	Area            string `json:"area"`
+	Level           string `json:"level"`
+	QQLevel         int    `json:"qq_level"`
+	JoinTime        int    `json:"join_time"`
+	LastSentTime    int    `json:"last_sent_time"`
+	TitleExpireTime int    `json:"title_expire_time"`
+	Unfriendly      bool   `json:"unfriendly"`
+	CardChangeable  bool   `json:"card_changeable"`
+	IsRobot         bool   `json:"is_robot"`
+	ShutUpTimestamp int    `json:"shut_up_timestamp"`
+	Role            string `json:"role"`
+	Title           string `json:"title"`
+}
+
+type GroupMemberListResponse struct {
+	Status  string        `json:"status"`
+	Retcode int           `json:"retcode"`
+	Data    []GroupMember `json:"data"`
+	Message string        `json:"message"`
+	Wording string        `json:"wording"`
+	Echo    string        `json:"echo"`
+}