Merge remote-tracking branch 'origin/errcode' into errcode

This commit is contained in:
skiffer-git
2023-02-03 16:51:57 +08:00
7 changed files with 475 additions and 370 deletions
+51 -218
View File
@@ -1,253 +1,86 @@
package cache
import (
"Open_IM/pkg/common/db/relation"
relation2 "Open_IM/pkg/common/db/table/relation"
"Open_IM/pkg/common/tracelog"
"Open_IM/pkg/common/db/table"
"Open_IM/pkg/utils"
"context"
"encoding/json"
"github.com/dtm-labs/rockscache"
"github.com/go-redis/redis/v8"
"golang.org/x/tools/go/ssa/testdata/src/strconv"
"time"
)
const (
conversationKey = "CONVERSATION:"
conversationIDsKey = "CONVERSATION_IDS:"
recvMsgOptKey = "RECV_MSG_OPT:"
superGroupRecvMsgNotNotifyUserIDsKey = "SUPER_GROUP_RECV_MSG_NOT_NOTIFY_USER_IDS:"
conversationExpireTime = time.Second * 60 * 60 * 12
)
type DBFun func() (string, error)
type ConversationCache struct {
conversationDB *relation.ConversationGorm
expireTime time.Duration
rcClient *rockscache.Client
type ConversationCache interface {
GetUserConversationIDListFromCache(userID string, fn DBFun) ([]string, error)
DelUserConversationIDListFromCache(userID string) error
GetConversationFromCache(ownerUserID, conversationID string, fn DBFun) (*table.ConversationModel, error)
GetConversationsFromCache(ownerUserID string, conversationIDList []string, fn DBFun) ([]*table.ConversationModel, error)
GetUserAllConversationList(ownerUserID string, fn DBFun) ([]*table.ConversationModel, error)
DelConversationFromCache(ownerUserID, conversationID string) error
}
type ConversationRedis struct {
rcClient *rockscache.Client
}
func NewConversationCache(rdb redis.UniversalClient, conversationDB *relation.ConversationGorm, options rockscache.Options) *ConversationCache {
return &ConversationCache{conversationDB: conversationDB, expireTime: conversationExpireTime, rcClient: rockscache.NewClient(rdb, options)}
func NewConversationRedis(rcClient *rockscache.Client) *ConversationRedis {
return &ConversationRedis{rcClient: rcClient}
}
func (c *ConversationCache) getConversationKey(ownerUserID, conversationID string) string {
return conversationKey + ownerUserID + ":" + conversationID
}
func (c *ConversationCache) getConversationIDsKey(ownerUserID string) string {
return conversationIDsKey + ownerUserID
}
func (c *ConversationCache) getRecvMsgOptKey(ownerUserID, conversationID string) string {
return recvMsgOptKey + ownerUserID + ":" + conversationID
}
func (c *ConversationCache) getSuperGroupRecvNotNotifyUserIDsKey(groupID string) string {
return superGroupRecvMsgNotNotifyUserIDsKey + groupID
}
func (c *ConversationCache) GetUserConversationIDs(ctx context.Context, ownerUserID string) (conversationIDs []string, err error) {
//getConversationIDs := func() (string, error) {
// conversationIDs, err := relation.GetConversationIDsByUserID(ownerUserID)
// if err != nil {
// return "", err
// }
// bytes, err := json.Marshal(conversationIDs)
// if err != nil {
// return "", utils.Wrap(err, "")
// }
// return string(bytes), nil
//}
//defer func() {
// tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "ownerUserID", ownerUserID, "conversationIDs", conversationIDs)
//}()
//conversationIDsStr, err := c.rcClient.Fetch(c.getConversationIDsKey(ownerUserID), time.Second*30*60, getConversationIDs)
//err = json.Unmarshal([]byte(conversationIDsStr), &conversationIDs)
//if err != nil {
// return nil, utils.Wrap(err, "")
//}
//return conversationIDs, nil
return GetCache(c.rcClient, c.getConversationIDsKey(ownerUserID), time.Second*30*60, func() ([]string, error) {
return relation.GetConversationIDsByUserID(ownerUserID)
})
}
func (c *ConversationCache) GetUserConversationIDs1(ctx context.Context, ownerUserID string, fn func() (any, error)) (conversationIDs []string, err error) {
//getConversationIDs := func() (string, error) {
// conversationIDs, err := relation.GetConversationIDsByUserID(ownerUserID)
// if err != nil {
// return "", err
// }
// bytes, err := json.Marshal(conversationIDs)
// if err != nil {
// return "", utils.Wrap(err, "")
// }
// return string(bytes), nil
//}
//defer func() {
// tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "ownerUserID", ownerUserID, "conversationIDs", conversationIDs)
//}()
//conversationIDsStr, err := c.rcClient.Fetch(c.getConversationIDsKey(ownerUserID), time.Second*30*60, getConversationIDs)
//err = json.Unmarshal([]byte(conversationIDsStr), &conversationIDs)
//if err != nil {
// return nil, utils.Wrap(err, "")
//}
//return conversationIDs, nil
return GetCache1[[]string](c.rcClient, c.getConversationIDsKey(ownerUserID), time.Second*30*60, fn)
}
func GetCache1[T any](rcClient *rockscache.Client, key string, expire time.Duration, fn func() (any, error)) (T, error) {
v, err := rcClient.Fetch(key, expire, func() (string, error) {
v, err := fn()
if err != nil {
return "", err
}
bs, err := json.Marshal(v)
if err != nil {
return "", utils.Wrap(err, "")
}
return string(bs), nil
})
var t T
func (c *ConversationRedis) GetUserConversationIDListFromCache(userID string, fn DBFun) ([]string, error) {
conversationIDListStr, err := c.rcClient.Fetch(conversationIDListCache+userID, time.Second*30*60, fn)
var conversationIDList []string
err = json.Unmarshal([]byte(conversationIDListStr), &conversationIDList)
if err != nil {
return t, err
return nil, utils.Wrap(err, "")
}
err = json.Unmarshal([]byte(v), &t)
if err != nil {
return t, utils.Wrap(err, "")
}
return t, nil
return conversationIDList, nil
}
func GetCache[T any](rcClient *rockscache.Client, key string, expire time.Duration, fn func() (T, error)) (T, error) {
v, err := rcClient.Fetch(key, expire, func() (string, error) {
v, err := fn()
if err != nil {
return "", err
}
bs, err := json.Marshal(v)
if err != nil {
return "", utils.Wrap(err, "")
}
return string(bs), nil
})
var t T
if err != nil {
return t, err
}
err = json.Unmarshal([]byte(v), &t)
if err != nil {
return t, utils.Wrap(err, "")
}
return t, nil
func (c *ConversationRedis) DelUserConversationIDListFromCache(userID string) error {
return utils.Wrap(c.rcClient.TagAsDeleted(conversationIDListCache+userID), "DelUserConversationIDListFromCache err")
}
func (c *ConversationCache) DelUserConversationIDs(ctx context.Context, ownerUserID string) (err error) {
defer func() {
tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "ownerUserID", ownerUserID)
}()
return utils.Wrap(c.rcClient.TagAsDeleted(c.getConversationIDsKey(ownerUserID)), "DelUserConversationIDs err")
}
func (c *ConversationCache) GetConversation(ctx context.Context, ownerUserID, conversationID string) (conversation *relation2.ConversationModel, err error) {
getConversation := func() (string, error) {
conversation, err := relation.GetConversation(ownerUserID, conversationID)
if err != nil {
return "", err
}
bytes, err := json.Marshal(conversation)
if err != nil {
return "", utils.Wrap(err, "conversation Marshal failed")
}
return string(bytes), nil
}
defer func() {
tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "ownerUserID", ownerUserID, "conversationID", conversationID, "conversation", *conversation)
}()
conversationStr, err := c.rcClient.Fetch(c.getConversationKey(ownerUserID, conversationID), c.expireTime, getConversation)
func (c *ConversationRedis) GetConversationFromCache(ownerUserID, conversationID string, fn DBFun) (*table.ConversationModel, error) {
conversationStr, err := c.rcClient.Fetch(conversationCache+ownerUserID+":"+conversationID, time.Second*30*60, fn)
if err != nil {
return nil, err
return nil, utils.Wrap(err, "Fetch failed")
}
conversation = &relation2.ConversationModel{}
conversation := table.ConversationModel{}
err = json.Unmarshal([]byte(conversationStr), &conversation)
return conversation, utils.Wrap(err, "Unmarshal failed")
}
func (c *ConversationCache) DelConversation(ctx context.Context, ownerUserID, conversationID string) (err error) {
defer func() {
tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "ownerUserID", ownerUserID, "conversationID", conversationID)
}()
return utils.Wrap(c.rcClient.TagAsDeleted(c.getConversationKey(ownerUserID, conversationID)), "DelConversation err")
}
func (c *ConversationCache) GetConversations(ctx context.Context, ownerUserID string, conversationIDs []string) (conversations []relation2.ConversationModel, err error) {
defer func() {
tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "ownerUserID", ownerUserID, "conversationIDs", conversationIDs, "conversations", conversations)
}()
for _, conversationID := range conversationIDs {
conversation, err := c.GetConversation(ctx, ownerUserID, conversationID)
if err != nil {
return nil, err
}
conversations = append(conversations, *conversation)
if err != nil {
return nil, utils.Wrap(err, "Unmarshal failed")
}
return conversations, nil
return &conversation, nil
}
func (c *ConversationCache) GetUserAllConversations(ctx context.Context, ownerUserID string) (conversations []relation2.ConversationModel, err error) {
defer func() {
tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "ownerUserID", ownerUserID, "conversations", conversations)
}()
IDs, err := c.GetUserConversationIDs(ctx, ownerUserID)
func (c *ConversationRedis) GetConversationsFromCache(ownerUserID string, conversationIDList []string, fn DBFun) ([]*table.ConversationModel, error) {
var conversationList []*table.ConversationModel
for _, conversationID := range conversationIDList {
conversation, err := c.GetConversationFromCache(ownerUserID, conversationID, fn)
if err != nil {
return nil, utils.Wrap(err, "GetConversationFromCache failed")
}
conversationList = append(conversationList, conversation)
}
return conversationList, nil
}
func (c *ConversationRedis) GetUserAllConversationList(ownerUserID string, fn DBFun) ([]*table.ConversationModel, error) {
IDList, err := c.GetUserConversationIDListFromCache(ownerUserID, fn)
if err != nil {
return nil, err
}
var conversationIDs []relation2.ConversationModel
for _, conversationID := range IDs {
conversation, err := c.GetConversation(ctx, ownerUserID, conversationID)
var conversationList []*table.ConversationModel
for _, conversationID := range IDList {
conversation, err := c.GetConversationFromCache(ownerUserID, conversationID, fn)
if err != nil {
return nil, err
return nil, utils.Wrap(err, "GetConversationFromCache failed")
}
conversationIDs = append(conversationIDs, *conversation)
conversationList = append(conversationList, conversation)
}
return conversationIDs, nil
return conversationList, nil
}
func (c *ConversationCache) GetUserRecvMsgOpt(ctx context.Context, ownerUserID, conversationID string) (opt int, err error) {
getConversation := func() (string, error) {
conversation, err := relation.GetConversation(ownerUserID, conversationID)
if err != nil {
return "", err
}
return strconv.Itoa(int(conversation.RecvMsgOpt)), nil
}
defer func() {
tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "ownerUserID", ownerUserID, "conversationID", conversationID, "opt", opt)
}()
optStr, err := c.rcClient.Fetch(c.getConversationKey(ownerUserID, conversationID), c.expireTime, getConversation)
if err != nil {
return 0, err
}
return strconv.Atoi(optStr)
}
func (c *ConversationCache) DelUserRecvMsgOpt(ctx context.Context, ownerUserID, conversationID string) error {
return utils.Wrap(c.rcClient.TagAsDeleted(c.getConversationKey(ownerUserID, conversationID)), "DelUserRecvMsgOpt failed")
}
func (c *ConversationCache) GetSuperGroupRecvMsgNotNotifyUserIDs(ctx context.Context, groupID string) (userIDs []string, err error) {
return nil, nil
}
func (c *ConversationCache) DelSuperGroupRecvMsgNotNotifyUserIDs(ctx context.Context, groupID string) (err error) {
return nil
}
func (c *ConversationCache) GetSuperGroupRecvMsgNotNotifyUserIDsHash(ctx context.Context, groupID string) (hash uint32, err error) {
return
}
func (c *ConversationCache) DelSuperGroupRecvMsgNotNotifyUserIDsHash(ctx context.Context, groupID string) {
return
func (c *ConversationRedis) DelConversationFromCache(ownerUserID, conversationID string) error {
return utils.Wrap(c.rcClient.TagAsDeleted(conversationCache+ownerUserID+":"+conversationID), "DelConversationFromCache err")
}
+119
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@@ -0,0 +1,119 @@
package controller
import (
"Open_IM/pkg/common/db/cache"
"Open_IM/pkg/common/db/relation"
"Open_IM/pkg/common/db/table"
"context"
)
type ConversationInterface interface {
//GetUserIDExistConversation 获取拥有该会话的的用户ID列表
GetUserIDExistConversation(ctx context.Context, userIDList []string, conversationID string) ([]string, error)
//UpdateUserConversationFiled 更新用户该会话的属性信息
UpdateUsersConversationFiled(ctx context.Context, UserIDList []string, conversationID string, args map[string]interface{}) error
//CreateConversation 创建一批新的会话
CreateConversation(ctx context.Context, conversations []*table.ConversationModel) error
//SyncPeerUserPrivateConversation 同步对端私聊会话内部保证事务操作
SyncPeerUserPrivateConversationTx(ctx context.Context, conversation *table.ConversationModel) error
//FindConversations 根据会话ID获取某个用户的多个会话
FindConversations(ctx context.Context, ownerUserID string, conversationID []string) ([]*table.ConversationModel, error)
//GetUserAllConversation 获取一个用户在服务器上所有的会话
GetUserAllConversation(ctx context.Context, ownerUserID string) ([]*table.ConversationModel, error)
//SetUserConversations 设置用户多个会话属性,如果会话不存在则创建,否则更新,内部保证原子性
SetUserConversations(ctx context.Context, ownerUserID string, conversations []*table.ConversationModel) error
}
type ConversationController struct {
database ConversationDataBaseInterface
}
func NewConversationController(database ConversationDataBaseInterface) *ConversationController {
return &ConversationController{database: database}
}
func (c *ConversationController) GetUserIDExistConversation(ctx context.Context, userIDList []string, conversationID string) ([]string, error) {
return c.database.GetUserIDExistConversation(ctx, userIDList, conversationID)
}
func (c ConversationController) UpdateUsersConversationFiled(ctx context.Context, UserIDList []string, conversationID string, args map[string]interface{}) error {
panic("implement me")
}
func (c ConversationController) CreateConversation(ctx context.Context, conversations []*table.ConversationModel) error {
panic("implement me")
}
func (c ConversationController) SyncPeerUserPrivateConversationTx(ctx context.Context, conversation *table.ConversationModel) error {
panic("implement me")
}
func (c ConversationController) FindConversations(ctx context.Context, ownerUserID string, conversationID []string) ([]*table.ConversationModel, error) {
panic("implement me")
}
func (c ConversationController) GetUserAllConversation(ctx context.Context, ownerUserID string) ([]*table.ConversationModel, error) {
panic("implement me")
}
func (c ConversationController) SetUserConversations(ctx context.Context, ownerUserID string, conversations []*table.ConversationModel) error {
panic("implement me")
}
var _ ConversationInterface = (*ConversationController)(nil)
type ConversationDataBaseInterface interface {
//GetUserIDExistConversation 获取拥有该会话的的用户ID列表
GetUserIDExistConversation(ctx context.Context, userIDList []string, conversationID string) ([]string, error)
//UpdateUserConversationFiled 更新用户该会话的属性信息
UpdateUsersConversationFiled(ctx context.Context, UserIDList []string, conversationID string, args map[string]interface{}) error
//CreateConversation 创建一批新的会话
CreateConversation(ctx context.Context, conversations []*table.ConversationModel) error
//SyncPeerUserPrivateConversation 同步对端私聊会话内部保证事务操作
SyncPeerUserPrivateConversationTx(ctx context.Context, conversation *table.ConversationModel) error
//FindConversations 根据会话ID获取某个用户的多个会话
FindConversations(ctx context.Context, ownerUserID string, conversationID []string) ([]*table.ConversationModel, error)
//GetUserAllConversation 获取一个用户在服务器上所有的会话
GetUserAllConversation(ctx context.Context, ownerUserID string) ([]*table.ConversationModel, error)
//SetUserConversations 设置用户多个会话属性,如果会话不存在则创建,否则更新,内部保证原子性
SetUserConversations(ctx context.Context, ownerUserID string, conversations []*table.ConversationModel) error
}
type ConversationDataBase struct {
db relation.Conversation
cache cache.ConversationCache
}
func (c ConversationDataBase) GetUserIDExistConversation(ctx context.Context, userIDList []string, conversationID string) ([]string, error) {
panic("implement me")
}
func (c ConversationDataBase) UpdateUsersConversationFiled(ctx context.Context, UserIDList []string, conversationID string, args map[string]interface{}) error {
panic("implement me")
}
func (c ConversationDataBase) CreateConversation(ctx context.Context, conversations []*table.ConversationModel) error {
panic("implement me")
}
func (c ConversationDataBase) SyncPeerUserPrivateConversationTx(ctx context.Context, conversation *table.ConversationModel) error {
panic("implement me")
}
func (c ConversationDataBase) FindConversations(ctx context.Context, ownerUserID string, conversationID []string) ([]*table.ConversationModel, error) {
panic("implement me")
}
func (c ConversationDataBase) GetUserAllConversation(ctx context.Context, ownerUserID string) ([]*table.ConversationModel, error) {
panic("implement me")
}
func (c ConversationDataBase) SetUserConversations(ctx context.Context, ownerUserID string, conversations []*table.ConversationModel) error {
panic("implement me")
}
func NewConversationDataBase(db relation.Conversation, cache cache.ConversationCache) *ConversationDataBase {
return &ConversationDataBase{db: db, cache: cache}
}
//func NewConversationController(db *gorm.DB, rdb redis.UniversalClient) ConversationInterface {
// groupController := &ConversationController{database: newGroupDatabase(db, rdb, mgoClient)}
// return groupController
//}
+26 -6
View File
@@ -1,15 +1,35 @@
package relation
import (
"Open_IM/pkg/common/db/table/relation"
"gorm.io/gorm"
)
type ConversationGorm struct {
DB *gorm.DB
var ConversationDB *gorm.DB
//type Conversation struct {
// OwnerUserID string `gorm:"column:owner_user_id;primary_key;type:char(128)" json:"OwnerUserID"`
// ConversationID string `gorm:"column:conversation_id;primary_key;type:char(128)" json:"conversationID"`
// ConversationType int32 `gorm:"column:conversation_type" json:"conversationType"`
// UserID string `gorm:"column:user_id;type:char(64)" json:"userID"`
// GroupID string `gorm:"column:group_id;type:char(128)" json:"groupID"`
// RecvMsgOpt int32 `gorm:"column:recv_msg_opt" json:"recvMsgOpt"`
// UnreadCount int32 `gorm:"column:unread_count" json:"unreadCount"`
// DraftTextTime int64 `gorm:"column:draft_text_time" json:"draftTextTime"`
// IsPinned bool `gorm:"column:is_pinned" json:"isPinned"`
// IsPrivateChat bool `gorm:"column:is_private_chat" json:"isPrivateChat"`
// BurnDuration int32 `gorm:"column:burn_duration;default:30" json:"burnDuration"`
// GroupAtType int32 `gorm:"column:group_at_type" json:"groupAtType"`
// IsNotInGroup bool `gorm:"column:is_not_in_group" json:"isNotInGroup"`
// UpdateUnreadCountTime int64 `gorm:"column:update_unread_count_time" json:"updateUnreadCountTime"`
// AttachedInfo string `gorm:"column:attached_info;type:varchar(1024)" json:"attachedInfo"`
// Ex string `gorm:"column:ex;type:varchar(1024)" json:"ex"`
//}
func (Conversation) TableName() string {
return "conversations"
}
func SetConversation(conversation relation.ConversationModel) (bool, error) {
func SetConversation(conversation Conversation) (bool, error) {
var isUpdate bool
newConversation := conversation
if ConversationDB.Model(&Conversation{}).Find(&newConversation).RowsAffected == 0 {
@@ -73,7 +93,7 @@ func GetExistConversationUserIDList(ownerUserIDList []string, conversationID str
return resultArr, nil
}
func GetConversation(OwnerUserID, conversationID string) (relation.ConversationModel, error) {
func GetConversation(OwnerUserID, conversationID string) (Conversation, error) {
var conversation Conversation
err := ConversationDB.Table("conversations").Where("owner_user_id=? and conversation_id=?", OwnerUserID, conversationID).Take(&conversation).Error
return conversation, err
@@ -96,7 +116,7 @@ func UpdateColumnsConversations(ownerUserIDList []string, conversationID string,
}
func GetConversationIDsByUserID(userID string) ([]string, error) {
func GetConversationIDListByUserID(userID string) ([]string, error) {
var IDList []string
err := ConversationDB.Model(&Conversation{}).Where("owner_user_id=?", userID).Pluck("conversation_id", &IDList).Error
return IDList, err
@@ -0,0 +1,73 @@
package relation
import (
"Open_IM/pkg/common/db/table"
"Open_IM/pkg/common/tracelog"
"Open_IM/pkg/utils"
"context"
"gorm.io/gorm"
)
type Conversation interface {
TableName() string
Create(ctx context.Context, conversations []*table.ConversationModel) (err error)
Delete(ctx context.Context, groupIDs []string) (err error)
UpdateByMap(ctx context.Context, groupID string, args map[string]interface{}) (err error)
Update(ctx context.Context, groups []*table.ConversationModel) (err error)
Find(ctx context.Context, groupIDs []string) (groups []*table.ConversationModel, err error)
Take(ctx context.Context, groupID string) (group *table.ConversationModel, err error)
}
type ConversationGorm struct {
DB *gorm.DB
}
func (c *ConversationGorm) TableName() string {
panic("implement me")
}
func NewConversationGorm(DB *gorm.DB) Conversation {
return &ConversationGorm{DB: DB}
}
func (c *ConversationGorm) Create(ctx context.Context, conversations []*table.ConversationModel) (err error) {
defer func() {
tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "conversations", conversations)
}()
return utils.Wrap(getDBConn(g.DB, tx).Create(&conversations).Error, "")
}
func (c *ConversationGorm) Delete(ctx context.Context, groupIDs []string) (err error) {
defer func() {
tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "groupIDs", groupIDs)
}()
return utils.Wrap(getDBConn(g.DB, tx).Where("group_id in (?)", groupIDs).Delete(&table.ConversationModel{}).Error, "")
}
func (c *ConversationGorm) UpdateByMap(ctx context.Context, groupID string, args map[string]interface{}) (err error) {
defer func() {
tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "groupID", groupID, "args", args)
}()
return utils.Wrap(getDBConn(g.DB, tx).Where("group_id = ?", groupID).Model(g).Updates(args).Error, "")
}
func (c *ConversationGorm) Update(ctx context.Context, groups []*table.ConversationModel) (err error) {
defer func() {
tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "groups", groups)
}()
return utils.Wrap(getDBConn(g.DB, tx).Updates(&groups).Error, "")
}
func (c *ConversationGorm) Find(ctx context.Context, groupIDs []string) (groups []*table.ConversationModel, err error) {
defer func() {
tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "groupIDs", groupIDs, "groups", groups)
}()
return groups, utils.Wrap(getDBConn(g.DB, tx).Where("group_id in (?)", groupIDs).Find(&groups).Error, "")
}
func (c *ConversationGorm) Take(ctx context.Context, groupID string) (group *table.ConversationModel, err error) {
group = &Group{}
defer func() {
tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "groupID", groupID, "group", *group)
}()
return group, utils.Wrap(getDBConn(g.DB, tx).Where("group_id = ?", groupID).Take(group).Error, "")
}