// Code generated by ent, DO NOT EDIT.

package ent

import (
	"context"
	"fmt"

	"git.noahlan.cn/n-admin/n-admin-server/rpc/core/ent/department"
	"git.noahlan.cn/n-admin/n-admin-server/rpc/core/ent/dictionary"
	"git.noahlan.cn/n-admin/n-admin-server/rpc/core/ent/dictionarydetail"
	"git.noahlan.cn/n-admin/n-admin-server/rpc/core/ent/district"
	"git.noahlan.cn/n-admin/n-admin-server/rpc/core/ent/loginrecord"
	"git.noahlan.cn/n-admin/n-admin-server/rpc/core/ent/oauthprovider"
	"git.noahlan.cn/n-admin/n-admin-server/rpc/core/ent/role"
	"git.noahlan.cn/n-admin/n-admin-server/rpc/core/ent/token"
	"git.noahlan.cn/n-admin/n-admin-server/rpc/core/ent/user"
	"git.noahlan.cn/n-admin/n-admin-server/rpc/core/ent/usermeta"
	"git.noahlan.cn/n-admin/n-admin-server/rpc/core/ent/usersocial"
	"git.noahlan.cn/noahlan/ntool-biz/core/page"
)

type PageDetails = page.Pagination

// OrderDirection defines the directions in which to order a list of items.
type OrderDirection string

const (
	// OrderDirectionAsc specifies an ascending order.
	OrderDirectionAsc OrderDirection = "ASC"
	// OrderDirectionDesc specifies a descending order.
	OrderDirectionDesc OrderDirection = "DESC"
)

// Validate the order direction value.
func (o OrderDirection) Validate() error {
	if o != OrderDirectionAsc && o != OrderDirectionDesc {
		return fmt.Errorf("%s is not a valid OrderDirection", o)
	}
	return nil
}

// String implements fmt.Stringer interface.
func (o OrderDirection) String() string {
	return string(o)
}

func (o OrderDirection) reverse() OrderDirection {
	if o == OrderDirectionDesc {
		return OrderDirectionAsc
	}
	return OrderDirectionDesc
}

const errInvalidPagination = "INVALID_PAGINATION"

type DepartmentPager struct {
	Order  department.OrderOption
	Filter func(*DepartmentQuery) (*DepartmentQuery, error)
}

// DepartmentPaginateOption enables pagination customization.
type DepartmentPaginateOption func(*DepartmentPager)

// DefaultDepartmentOrder is the default ordering of Department.
var DefaultDepartmentOrder = Desc(department.FieldID)

func newDepartmentPager(opts []DepartmentPaginateOption) (*DepartmentPager, error) {
	pager := &DepartmentPager{}
	for _, opt := range opts {
		opt(pager)
	}
	if pager.Order == nil {
		pager.Order = DefaultDepartmentOrder
	}
	return pager, nil
}

func (p *DepartmentPager) ApplyFilter(query *DepartmentQuery) (*DepartmentQuery, error) {
	if p.Filter != nil {
		return p.Filter(query)
	}
	return query, nil
}

// DepartmentPageList is Department PageList result.
type DepartmentPageList struct {
	List        []*Department `json:"list"`
	PageDetails *PageDetails  `json:"pageDetails"`
}

func (d *DepartmentQuery) Page(
	ctx context.Context, pageNum uint64, pageSize uint64, opts ...DepartmentPaginateOption,
) (*DepartmentPageList, error) {

	pager, err := newDepartmentPager(opts)
	if err != nil {
		return nil, err
	}

	if d, err = pager.ApplyFilter(d); err != nil {
		return nil, err
	}

	ret := &DepartmentPageList{}

	ret.PageDetails = &PageDetails{
		Current: int64(pageNum),
		Size:    int64(pageSize),
	}

	acClone := d.Clone()
	acClone.modifiers = d.modifiers
	count, err := acClone.Count(ctx)

	if err != nil {
		return nil, err
	}

	ret.PageDetails.Total = int64(count)

	if pager.Order != nil {
		d = d.Order(pager.Order)
	} else {
		d = d.Order(DefaultDepartmentOrder)
	}

	d = d.Offset(int((pageNum - 1) * pageSize)).Limit(int(pageSize))
	list, err := d.All(ctx)
	if err != nil {
		return nil, err
	}
	ret.List = list

	return ret, nil
}

type DictionaryPager struct {
	Order  dictionary.OrderOption
	Filter func(*DictionaryQuery) (*DictionaryQuery, error)
}

// DictionaryPaginateOption enables pagination customization.
type DictionaryPaginateOption func(*DictionaryPager)

// DefaultDictionaryOrder is the default ordering of Dictionary.
var DefaultDictionaryOrder = Desc(dictionary.FieldID)

func newDictionaryPager(opts []DictionaryPaginateOption) (*DictionaryPager, error) {
	pager := &DictionaryPager{}
	for _, opt := range opts {
		opt(pager)
	}
	if pager.Order == nil {
		pager.Order = DefaultDictionaryOrder
	}
	return pager, nil
}

func (p *DictionaryPager) ApplyFilter(query *DictionaryQuery) (*DictionaryQuery, error) {
	if p.Filter != nil {
		return p.Filter(query)
	}
	return query, nil
}

// DictionaryPageList is Dictionary PageList result.
type DictionaryPageList struct {
	List        []*Dictionary `json:"list"`
	PageDetails *PageDetails  `json:"pageDetails"`
}

func (d *DictionaryQuery) Page(
	ctx context.Context, pageNum uint64, pageSize uint64, opts ...DictionaryPaginateOption,
) (*DictionaryPageList, error) {

	pager, err := newDictionaryPager(opts)
	if err != nil {
		return nil, err
	}

	if d, err = pager.ApplyFilter(d); err != nil {
		return nil, err
	}

	ret := &DictionaryPageList{}

	ret.PageDetails = &PageDetails{
		Current: int64(pageNum),
		Size:    int64(pageSize),
	}

	acClone := d.Clone()
	acClone.modifiers = d.modifiers
	count, err := acClone.Count(ctx)

	if err != nil {
		return nil, err
	}

	ret.PageDetails.Total = int64(count)

	if pager.Order != nil {
		d = d.Order(pager.Order)
	} else {
		d = d.Order(DefaultDictionaryOrder)
	}

	d = d.Offset(int((pageNum - 1) * pageSize)).Limit(int(pageSize))
	list, err := d.All(ctx)
	if err != nil {
		return nil, err
	}
	ret.List = list

	return ret, nil
}

type DictionaryDetailPager struct {
	Order  dictionarydetail.OrderOption
	Filter func(*DictionaryDetailQuery) (*DictionaryDetailQuery, error)
}

// DictionaryDetailPaginateOption enables pagination customization.
type DictionaryDetailPaginateOption func(*DictionaryDetailPager)

// DefaultDictionaryDetailOrder is the default ordering of DictionaryDetail.
var DefaultDictionaryDetailOrder = Desc(dictionarydetail.FieldID)

func newDictionaryDetailPager(opts []DictionaryDetailPaginateOption) (*DictionaryDetailPager, error) {
	pager := &DictionaryDetailPager{}
	for _, opt := range opts {
		opt(pager)
	}
	if pager.Order == nil {
		pager.Order = DefaultDictionaryDetailOrder
	}
	return pager, nil
}

func (p *DictionaryDetailPager) ApplyFilter(query *DictionaryDetailQuery) (*DictionaryDetailQuery, error) {
	if p.Filter != nil {
		return p.Filter(query)
	}
	return query, nil
}

// DictionaryDetailPageList is DictionaryDetail PageList result.
type DictionaryDetailPageList struct {
	List        []*DictionaryDetail `json:"list"`
	PageDetails *PageDetails        `json:"pageDetails"`
}

func (dd *DictionaryDetailQuery) Page(
	ctx context.Context, pageNum uint64, pageSize uint64, opts ...DictionaryDetailPaginateOption,
) (*DictionaryDetailPageList, error) {

	pager, err := newDictionaryDetailPager(opts)
	if err != nil {
		return nil, err
	}

	if dd, err = pager.ApplyFilter(dd); err != nil {
		return nil, err
	}

	ret := &DictionaryDetailPageList{}

	ret.PageDetails = &PageDetails{
		Current: int64(pageNum),
		Size:    int64(pageSize),
	}

	acClone := dd.Clone()
	acClone.modifiers = dd.modifiers
	count, err := acClone.Count(ctx)

	if err != nil {
		return nil, err
	}

	ret.PageDetails.Total = int64(count)

	if pager.Order != nil {
		dd = dd.Order(pager.Order)
	} else {
		dd = dd.Order(DefaultDictionaryDetailOrder)
	}

	dd = dd.Offset(int((pageNum - 1) * pageSize)).Limit(int(pageSize))
	list, err := dd.All(ctx)
	if err != nil {
		return nil, err
	}
	ret.List = list

	return ret, nil
}

type DistrictPager struct {
	Order  district.OrderOption
	Filter func(*DistrictQuery) (*DistrictQuery, error)
}

// DistrictPaginateOption enables pagination customization.
type DistrictPaginateOption func(*DistrictPager)

// DefaultDistrictOrder is the default ordering of District.
var DefaultDistrictOrder = Desc(district.FieldID)

func newDistrictPager(opts []DistrictPaginateOption) (*DistrictPager, error) {
	pager := &DistrictPager{}
	for _, opt := range opts {
		opt(pager)
	}
	if pager.Order == nil {
		pager.Order = DefaultDistrictOrder
	}
	return pager, nil
}

func (p *DistrictPager) ApplyFilter(query *DistrictQuery) (*DistrictQuery, error) {
	if p.Filter != nil {
		return p.Filter(query)
	}
	return query, nil
}

// DistrictPageList is District PageList result.
type DistrictPageList struct {
	List        []*District  `json:"list"`
	PageDetails *PageDetails `json:"pageDetails"`
}

func (d *DistrictQuery) Page(
	ctx context.Context, pageNum uint64, pageSize uint64, opts ...DistrictPaginateOption,
) (*DistrictPageList, error) {

	pager, err := newDistrictPager(opts)
	if err != nil {
		return nil, err
	}

	if d, err = pager.ApplyFilter(d); err != nil {
		return nil, err
	}

	ret := &DistrictPageList{}

	ret.PageDetails = &PageDetails{
		Current: int64(pageNum),
		Size:    int64(pageSize),
	}

	acClone := d.Clone()
	acClone.modifiers = d.modifiers
	count, err := acClone.Count(ctx)

	if err != nil {
		return nil, err
	}

	ret.PageDetails.Total = int64(count)

	if pager.Order != nil {
		d = d.Order(pager.Order)
	} else {
		d = d.Order(DefaultDistrictOrder)
	}

	d = d.Offset(int((pageNum - 1) * pageSize)).Limit(int(pageSize))
	list, err := d.All(ctx)
	if err != nil {
		return nil, err
	}
	ret.List = list

	return ret, nil
}

type LoginRecordPager struct {
	Order  loginrecord.OrderOption
	Filter func(*LoginRecordQuery) (*LoginRecordQuery, error)
}

// LoginRecordPaginateOption enables pagination customization.
type LoginRecordPaginateOption func(*LoginRecordPager)

// DefaultLoginRecordOrder is the default ordering of LoginRecord.
var DefaultLoginRecordOrder = Desc(loginrecord.FieldID)

func newLoginRecordPager(opts []LoginRecordPaginateOption) (*LoginRecordPager, error) {
	pager := &LoginRecordPager{}
	for _, opt := range opts {
		opt(pager)
	}
	if pager.Order == nil {
		pager.Order = DefaultLoginRecordOrder
	}
	return pager, nil
}

func (p *LoginRecordPager) ApplyFilter(query *LoginRecordQuery) (*LoginRecordQuery, error) {
	if p.Filter != nil {
		return p.Filter(query)
	}
	return query, nil
}

// LoginRecordPageList is LoginRecord PageList result.
type LoginRecordPageList struct {
	List        []*LoginRecord `json:"list"`
	PageDetails *PageDetails   `json:"pageDetails"`
}

func (lr *LoginRecordQuery) Page(
	ctx context.Context, pageNum uint64, pageSize uint64, opts ...LoginRecordPaginateOption,
) (*LoginRecordPageList, error) {

	pager, err := newLoginRecordPager(opts)
	if err != nil {
		return nil, err
	}

	if lr, err = pager.ApplyFilter(lr); err != nil {
		return nil, err
	}

	ret := &LoginRecordPageList{}

	ret.PageDetails = &PageDetails{
		Current: int64(pageNum),
		Size:    int64(pageSize),
	}

	acClone := lr.Clone()
	acClone.modifiers = lr.modifiers
	count, err := acClone.Count(ctx)

	if err != nil {
		return nil, err
	}

	ret.PageDetails.Total = int64(count)

	if pager.Order != nil {
		lr = lr.Order(pager.Order)
	} else {
		lr = lr.Order(DefaultLoginRecordOrder)
	}

	lr = lr.Offset(int((pageNum - 1) * pageSize)).Limit(int(pageSize))
	list, err := lr.All(ctx)
	if err != nil {
		return nil, err
	}
	ret.List = list

	return ret, nil
}

type OauthProviderPager struct {
	Order  oauthprovider.OrderOption
	Filter func(*OauthProviderQuery) (*OauthProviderQuery, error)
}

// OauthProviderPaginateOption enables pagination customization.
type OauthProviderPaginateOption func(*OauthProviderPager)

// DefaultOauthProviderOrder is the default ordering of OauthProvider.
var DefaultOauthProviderOrder = Desc(oauthprovider.FieldID)

func newOauthProviderPager(opts []OauthProviderPaginateOption) (*OauthProviderPager, error) {
	pager := &OauthProviderPager{}
	for _, opt := range opts {
		opt(pager)
	}
	if pager.Order == nil {
		pager.Order = DefaultOauthProviderOrder
	}
	return pager, nil
}

func (p *OauthProviderPager) ApplyFilter(query *OauthProviderQuery) (*OauthProviderQuery, error) {
	if p.Filter != nil {
		return p.Filter(query)
	}
	return query, nil
}

// OauthProviderPageList is OauthProvider PageList result.
type OauthProviderPageList struct {
	List        []*OauthProvider `json:"list"`
	PageDetails *PageDetails     `json:"pageDetails"`
}

func (op *OauthProviderQuery) Page(
	ctx context.Context, pageNum uint64, pageSize uint64, opts ...OauthProviderPaginateOption,
) (*OauthProviderPageList, error) {

	pager, err := newOauthProviderPager(opts)
	if err != nil {
		return nil, err
	}

	if op, err = pager.ApplyFilter(op); err != nil {
		return nil, err
	}

	ret := &OauthProviderPageList{}

	ret.PageDetails = &PageDetails{
		Current: int64(pageNum),
		Size:    int64(pageSize),
	}

	acClone := op.Clone()
	acClone.modifiers = op.modifiers
	count, err := acClone.Count(ctx)

	if err != nil {
		return nil, err
	}

	ret.PageDetails.Total = int64(count)

	if pager.Order != nil {
		op = op.Order(pager.Order)
	} else {
		op = op.Order(DefaultOauthProviderOrder)
	}

	op = op.Offset(int((pageNum - 1) * pageSize)).Limit(int(pageSize))
	list, err := op.All(ctx)
	if err != nil {
		return nil, err
	}
	ret.List = list

	return ret, nil
}

type RolePager struct {
	Order  role.OrderOption
	Filter func(*RoleQuery) (*RoleQuery, error)
}

// RolePaginateOption enables pagination customization.
type RolePaginateOption func(*RolePager)

// DefaultRoleOrder is the default ordering of Role.
var DefaultRoleOrder = Desc(role.FieldID)

func newRolePager(opts []RolePaginateOption) (*RolePager, error) {
	pager := &RolePager{}
	for _, opt := range opts {
		opt(pager)
	}
	if pager.Order == nil {
		pager.Order = DefaultRoleOrder
	}
	return pager, nil
}

func (p *RolePager) ApplyFilter(query *RoleQuery) (*RoleQuery, error) {
	if p.Filter != nil {
		return p.Filter(query)
	}
	return query, nil
}

// RolePageList is Role PageList result.
type RolePageList struct {
	List        []*Role      `json:"list"`
	PageDetails *PageDetails `json:"pageDetails"`
}

func (r *RoleQuery) Page(
	ctx context.Context, pageNum uint64, pageSize uint64, opts ...RolePaginateOption,
) (*RolePageList, error) {

	pager, err := newRolePager(opts)
	if err != nil {
		return nil, err
	}

	if r, err = pager.ApplyFilter(r); err != nil {
		return nil, err
	}

	ret := &RolePageList{}

	ret.PageDetails = &PageDetails{
		Current: int64(pageNum),
		Size:    int64(pageSize),
	}

	acClone := r.Clone()
	acClone.modifiers = r.modifiers
	count, err := acClone.Count(ctx)

	if err != nil {
		return nil, err
	}

	ret.PageDetails.Total = int64(count)

	if pager.Order != nil {
		r = r.Order(pager.Order)
	} else {
		r = r.Order(DefaultRoleOrder)
	}

	r = r.Offset(int((pageNum - 1) * pageSize)).Limit(int(pageSize))
	list, err := r.All(ctx)
	if err != nil {
		return nil, err
	}
	ret.List = list

	return ret, nil
}

type TokenPager struct {
	Order  token.OrderOption
	Filter func(*TokenQuery) (*TokenQuery, error)
}

// TokenPaginateOption enables pagination customization.
type TokenPaginateOption func(*TokenPager)

// DefaultTokenOrder is the default ordering of Token.
var DefaultTokenOrder = Desc(token.FieldID)

func newTokenPager(opts []TokenPaginateOption) (*TokenPager, error) {
	pager := &TokenPager{}
	for _, opt := range opts {
		opt(pager)
	}
	if pager.Order == nil {
		pager.Order = DefaultTokenOrder
	}
	return pager, nil
}

func (p *TokenPager) ApplyFilter(query *TokenQuery) (*TokenQuery, error) {
	if p.Filter != nil {
		return p.Filter(query)
	}
	return query, nil
}

// TokenPageList is Token PageList result.
type TokenPageList struct {
	List        []*Token     `json:"list"`
	PageDetails *PageDetails `json:"pageDetails"`
}

func (t *TokenQuery) Page(
	ctx context.Context, pageNum uint64, pageSize uint64, opts ...TokenPaginateOption,
) (*TokenPageList, error) {

	pager, err := newTokenPager(opts)
	if err != nil {
		return nil, err
	}

	if t, err = pager.ApplyFilter(t); err != nil {
		return nil, err
	}

	ret := &TokenPageList{}

	ret.PageDetails = &PageDetails{
		Current: int64(pageNum),
		Size:    int64(pageSize),
	}

	acClone := t.Clone()
	acClone.modifiers = t.modifiers
	count, err := acClone.Count(ctx)

	if err != nil {
		return nil, err
	}

	ret.PageDetails.Total = int64(count)

	if pager.Order != nil {
		t = t.Order(pager.Order)
	} else {
		t = t.Order(DefaultTokenOrder)
	}

	t = t.Offset(int((pageNum - 1) * pageSize)).Limit(int(pageSize))
	list, err := t.All(ctx)
	if err != nil {
		return nil, err
	}
	ret.List = list

	return ret, nil
}

type UserPager struct {
	Order  user.OrderOption
	Filter func(*UserQuery) (*UserQuery, error)
}

// UserPaginateOption enables pagination customization.
type UserPaginateOption func(*UserPager)

// DefaultUserOrder is the default ordering of User.
var DefaultUserOrder = Desc(user.FieldID)

func newUserPager(opts []UserPaginateOption) (*UserPager, error) {
	pager := &UserPager{}
	for _, opt := range opts {
		opt(pager)
	}
	if pager.Order == nil {
		pager.Order = DefaultUserOrder
	}
	return pager, nil
}

func (p *UserPager) ApplyFilter(query *UserQuery) (*UserQuery, error) {
	if p.Filter != nil {
		return p.Filter(query)
	}
	return query, nil
}

// UserPageList is User PageList result.
type UserPageList struct {
	List        []*User      `json:"list"`
	PageDetails *PageDetails `json:"pageDetails"`
}

func (u *UserQuery) Page(
	ctx context.Context, pageNum uint64, pageSize uint64, opts ...UserPaginateOption,
) (*UserPageList, error) {

	pager, err := newUserPager(opts)
	if err != nil {
		return nil, err
	}

	if u, err = pager.ApplyFilter(u); err != nil {
		return nil, err
	}

	ret := &UserPageList{}

	ret.PageDetails = &PageDetails{
		Current: int64(pageNum),
		Size:    int64(pageSize),
	}

	acClone := u.Clone()
	acClone.modifiers = u.modifiers
	count, err := acClone.Count(ctx)

	if err != nil {
		return nil, err
	}

	ret.PageDetails.Total = int64(count)

	if pager.Order != nil {
		u = u.Order(pager.Order)
	} else {
		u = u.Order(DefaultUserOrder)
	}

	u = u.Offset(int((pageNum - 1) * pageSize)).Limit(int(pageSize))
	list, err := u.All(ctx)
	if err != nil {
		return nil, err
	}
	ret.List = list

	return ret, nil
}

type UserMetaPager struct {
	Order  usermeta.OrderOption
	Filter func(*UserMetaQuery) (*UserMetaQuery, error)
}

// UserMetaPaginateOption enables pagination customization.
type UserMetaPaginateOption func(*UserMetaPager)

// DefaultUserMetaOrder is the default ordering of UserMeta.
var DefaultUserMetaOrder = Desc(usermeta.FieldID)

func newUserMetaPager(opts []UserMetaPaginateOption) (*UserMetaPager, error) {
	pager := &UserMetaPager{}
	for _, opt := range opts {
		opt(pager)
	}
	if pager.Order == nil {
		pager.Order = DefaultUserMetaOrder
	}
	return pager, nil
}

func (p *UserMetaPager) ApplyFilter(query *UserMetaQuery) (*UserMetaQuery, error) {
	if p.Filter != nil {
		return p.Filter(query)
	}
	return query, nil
}

// UserMetaPageList is UserMeta PageList result.
type UserMetaPageList struct {
	List        []*UserMeta  `json:"list"`
	PageDetails *PageDetails `json:"pageDetails"`
}

func (um *UserMetaQuery) Page(
	ctx context.Context, pageNum uint64, pageSize uint64, opts ...UserMetaPaginateOption,
) (*UserMetaPageList, error) {

	pager, err := newUserMetaPager(opts)
	if err != nil {
		return nil, err
	}

	if um, err = pager.ApplyFilter(um); err != nil {
		return nil, err
	}

	ret := &UserMetaPageList{}

	ret.PageDetails = &PageDetails{
		Current: int64(pageNum),
		Size:    int64(pageSize),
	}

	acClone := um.Clone()
	acClone.modifiers = um.modifiers
	count, err := acClone.Count(ctx)

	if err != nil {
		return nil, err
	}

	ret.PageDetails.Total = int64(count)

	if pager.Order != nil {
		um = um.Order(pager.Order)
	} else {
		um = um.Order(DefaultUserMetaOrder)
	}

	um = um.Offset(int((pageNum - 1) * pageSize)).Limit(int(pageSize))
	list, err := um.All(ctx)
	if err != nil {
		return nil, err
	}
	ret.List = list

	return ret, nil
}

type UserSocialPager struct {
	Order  usersocial.OrderOption
	Filter func(*UserSocialQuery) (*UserSocialQuery, error)
}

// UserSocialPaginateOption enables pagination customization.
type UserSocialPaginateOption func(*UserSocialPager)

// DefaultUserSocialOrder is the default ordering of UserSocial.
var DefaultUserSocialOrder = Desc(usersocial.FieldID)

func newUserSocialPager(opts []UserSocialPaginateOption) (*UserSocialPager, error) {
	pager := &UserSocialPager{}
	for _, opt := range opts {
		opt(pager)
	}
	if pager.Order == nil {
		pager.Order = DefaultUserSocialOrder
	}
	return pager, nil
}

func (p *UserSocialPager) ApplyFilter(query *UserSocialQuery) (*UserSocialQuery, error) {
	if p.Filter != nil {
		return p.Filter(query)
	}
	return query, nil
}

// UserSocialPageList is UserSocial PageList result.
type UserSocialPageList struct {
	List        []*UserSocial `json:"list"`
	PageDetails *PageDetails  `json:"pageDetails"`
}

func (us *UserSocialQuery) Page(
	ctx context.Context, pageNum uint64, pageSize uint64, opts ...UserSocialPaginateOption,
) (*UserSocialPageList, error) {

	pager, err := newUserSocialPager(opts)
	if err != nil {
		return nil, err
	}

	if us, err = pager.ApplyFilter(us); err != nil {
		return nil, err
	}

	ret := &UserSocialPageList{}

	ret.PageDetails = &PageDetails{
		Current: int64(pageNum),
		Size:    int64(pageSize),
	}

	acClone := us.Clone()
	acClone.modifiers = us.modifiers
	count, err := acClone.Count(ctx)

	if err != nil {
		return nil, err
	}

	ret.PageDetails.Total = int64(count)

	if pager.Order != nil {
		us = us.Order(pager.Order)
	} else {
		us = us.Order(DefaultUserSocialOrder)
	}

	us = us.Offset(int((pageNum - 1) * pageSize)).Limit(int(pageSize))
	list, err := us.All(ctx)
	if err != nil {
		return nil, err
	}
	ret.List = list

	return ret, nil
}