// Code generated by gorm.io/gen. DO NOT EDIT.
// Code generated by gorm.io/gen. DO NOT EDIT.
// Code generated by gorm.io/gen. DO NOT EDIT.

package dao

import (
	"context"

	"gorm.io/gorm"
	"gorm.io/gorm/clause"
	"gorm.io/gorm/schema"

	"gorm.io/gen"
	"gorm.io/gen/field"

	"gorm.io/plugin/dbresolver"

	"leafdev.top/Leaf/api-platform/internal/entity"
)

func newOrderItem(db *gorm.DB, opts ...gen.DOOption) orderItem {
	_orderItem := orderItem{}

	_orderItem.orderItemDo.UseDB(db, opts...)
	_orderItem.orderItemDo.UseModel(&entity.OrderItem{})

	tableName := _orderItem.orderItemDo.TableName()
	_orderItem.ALL = field.NewAsterisk(tableName)
	_orderItem.Id = field.NewUint(tableName, "id")
	_orderItem.CreatedAt = field.NewTime(tableName, "created_at")
	_orderItem.UpdatedAt = field.NewTime(tableName, "updated_at")
	_orderItem.OrderId = field.NewUint(tableName, "order_id")
	_orderItem.PackageId = field.NewUint(tableName, "package_id")
	_orderItem.Order = orderItemBelongsToOrder{
		db: db.Session(&gorm.Session{}),

		RelationField: field.NewRelation("Order", "entity.Order"),
		PromoCode: struct {
			field.RelationField
		}{
			RelationField: field.NewRelation("Order.PromoCode", "entity.PromoCode"),
		},
	}

	_orderItem.Package = orderItemBelongsToPackage{
		db: db.Session(&gorm.Session{}),

		RelationField: field.NewRelation("Package", "entity.Packages"),
		Api: struct {
			field.RelationField
		}{
			RelationField: field.NewRelation("Package.Api", "entity.Api"),
		},
	}

	_orderItem.fillFieldMap()

	return _orderItem
}

type orderItem struct {
	orderItemDo

	ALL       field.Asterisk
	Id        field.Uint
	CreatedAt field.Time
	UpdatedAt field.Time
	OrderId   field.Uint
	PackageId field.Uint
	Order     orderItemBelongsToOrder

	Package orderItemBelongsToPackage

	fieldMap map[string]field.Expr
}

func (o orderItem) Table(newTableName string) *orderItem {
	o.orderItemDo.UseTable(newTableName)
	return o.updateTableName(newTableName)
}

func (o orderItem) As(alias string) *orderItem {
	o.orderItemDo.DO = *(o.orderItemDo.As(alias).(*gen.DO))
	return o.updateTableName(alias)
}

func (o *orderItem) updateTableName(table string) *orderItem {
	o.ALL = field.NewAsterisk(table)
	o.Id = field.NewUint(table, "id")
	o.CreatedAt = field.NewTime(table, "created_at")
	o.UpdatedAt = field.NewTime(table, "updated_at")
	o.OrderId = field.NewUint(table, "order_id")
	o.PackageId = field.NewUint(table, "package_id")

	o.fillFieldMap()

	return o
}

func (o *orderItem) GetFieldByName(fieldName string) (field.OrderExpr, bool) {
	_f, ok := o.fieldMap[fieldName]
	if !ok || _f == nil {
		return nil, false
	}
	_oe, ok := _f.(field.OrderExpr)
	return _oe, ok
}

func (o *orderItem) fillFieldMap() {
	o.fieldMap = make(map[string]field.Expr, 7)
	o.fieldMap["id"] = o.Id
	o.fieldMap["created_at"] = o.CreatedAt
	o.fieldMap["updated_at"] = o.UpdatedAt
	o.fieldMap["order_id"] = o.OrderId
	o.fieldMap["package_id"] = o.PackageId

}

func (o orderItem) clone(db *gorm.DB) orderItem {
	o.orderItemDo.ReplaceConnPool(db.Statement.ConnPool)
	return o
}

func (o orderItem) replaceDB(db *gorm.DB) orderItem {
	o.orderItemDo.ReplaceDB(db)
	return o
}

type orderItemBelongsToOrder struct {
	db *gorm.DB

	field.RelationField

	PromoCode struct {
		field.RelationField
	}
}

func (a orderItemBelongsToOrder) Where(conds ...field.Expr) *orderItemBelongsToOrder {
	if len(conds) == 0 {
		return &a
	}

	exprs := make([]clause.Expression, 0, len(conds))
	for _, cond := range conds {
		exprs = append(exprs, cond.BeCond().(clause.Expression))
	}
	a.db = a.db.Clauses(clause.Where{Exprs: exprs})
	return &a
}

func (a orderItemBelongsToOrder) WithContext(ctx context.Context) *orderItemBelongsToOrder {
	a.db = a.db.WithContext(ctx)
	return &a
}

func (a orderItemBelongsToOrder) Session(session *gorm.Session) *orderItemBelongsToOrder {
	a.db = a.db.Session(session)
	return &a
}

func (a orderItemBelongsToOrder) Model(m *entity.OrderItem) *orderItemBelongsToOrderTx {
	return &orderItemBelongsToOrderTx{a.db.Model(m).Association(a.Name())}
}

type orderItemBelongsToOrderTx struct{ tx *gorm.Association }

func (a orderItemBelongsToOrderTx) Find() (result *entity.Order, err error) {
	return result, a.tx.Find(&result)
}

func (a orderItemBelongsToOrderTx) Append(values ...*entity.Order) (err error) {
	targetValues := make([]interface{}, len(values))
	for i, v := range values {
		targetValues[i] = v
	}
	return a.tx.Append(targetValues...)
}

func (a orderItemBelongsToOrderTx) Replace(values ...*entity.Order) (err error) {
	targetValues := make([]interface{}, len(values))
	for i, v := range values {
		targetValues[i] = v
	}
	return a.tx.Replace(targetValues...)
}

func (a orderItemBelongsToOrderTx) Delete(values ...*entity.Order) (err error) {
	targetValues := make([]interface{}, len(values))
	for i, v := range values {
		targetValues[i] = v
	}
	return a.tx.Delete(targetValues...)
}

func (a orderItemBelongsToOrderTx) Clear() error {
	return a.tx.Clear()
}

func (a orderItemBelongsToOrderTx) Count() int64 {
	return a.tx.Count()
}

type orderItemBelongsToPackage struct {
	db *gorm.DB

	field.RelationField

	Api struct {
		field.RelationField
	}
}

func (a orderItemBelongsToPackage) Where(conds ...field.Expr) *orderItemBelongsToPackage {
	if len(conds) == 0 {
		return &a
	}

	exprs := make([]clause.Expression, 0, len(conds))
	for _, cond := range conds {
		exprs = append(exprs, cond.BeCond().(clause.Expression))
	}
	a.db = a.db.Clauses(clause.Where{Exprs: exprs})
	return &a
}

func (a orderItemBelongsToPackage) WithContext(ctx context.Context) *orderItemBelongsToPackage {
	a.db = a.db.WithContext(ctx)
	return &a
}

func (a orderItemBelongsToPackage) Session(session *gorm.Session) *orderItemBelongsToPackage {
	a.db = a.db.Session(session)
	return &a
}

func (a orderItemBelongsToPackage) Model(m *entity.OrderItem) *orderItemBelongsToPackageTx {
	return &orderItemBelongsToPackageTx{a.db.Model(m).Association(a.Name())}
}

type orderItemBelongsToPackageTx struct{ tx *gorm.Association }

func (a orderItemBelongsToPackageTx) Find() (result *entity.Packages, err error) {
	return result, a.tx.Find(&result)
}

func (a orderItemBelongsToPackageTx) Append(values ...*entity.Packages) (err error) {
	targetValues := make([]interface{}, len(values))
	for i, v := range values {
		targetValues[i] = v
	}
	return a.tx.Append(targetValues...)
}

func (a orderItemBelongsToPackageTx) Replace(values ...*entity.Packages) (err error) {
	targetValues := make([]interface{}, len(values))
	for i, v := range values {
		targetValues[i] = v
	}
	return a.tx.Replace(targetValues...)
}

func (a orderItemBelongsToPackageTx) Delete(values ...*entity.Packages) (err error) {
	targetValues := make([]interface{}, len(values))
	for i, v := range values {
		targetValues[i] = v
	}
	return a.tx.Delete(targetValues...)
}

func (a orderItemBelongsToPackageTx) Clear() error {
	return a.tx.Clear()
}

func (a orderItemBelongsToPackageTx) Count() int64 {
	return a.tx.Count()
}

type orderItemDo struct{ gen.DO }

type IOrderItemDo interface {
	gen.SubQuery
	Debug() IOrderItemDo
	WithContext(ctx context.Context) IOrderItemDo
	WithResult(fc func(tx gen.Dao)) gen.ResultInfo
	ReplaceDB(db *gorm.DB)
	ReadDB() IOrderItemDo
	WriteDB() IOrderItemDo
	As(alias string) gen.Dao
	Session(config *gorm.Session) IOrderItemDo
	Columns(cols ...field.Expr) gen.Columns
	Clauses(conds ...clause.Expression) IOrderItemDo
	Not(conds ...gen.Condition) IOrderItemDo
	Or(conds ...gen.Condition) IOrderItemDo
	Select(conds ...field.Expr) IOrderItemDo
	Where(conds ...gen.Condition) IOrderItemDo
	Order(conds ...field.Expr) IOrderItemDo
	Distinct(cols ...field.Expr) IOrderItemDo
	Omit(cols ...field.Expr) IOrderItemDo
	Join(table schema.Tabler, on ...field.Expr) IOrderItemDo
	LeftJoin(table schema.Tabler, on ...field.Expr) IOrderItemDo
	RightJoin(table schema.Tabler, on ...field.Expr) IOrderItemDo
	Group(cols ...field.Expr) IOrderItemDo
	Having(conds ...gen.Condition) IOrderItemDo
	Limit(limit int) IOrderItemDo
	Offset(offset int) IOrderItemDo
	Count() (count int64, err error)
	Scopes(funcs ...func(gen.Dao) gen.Dao) IOrderItemDo
	Unscoped() IOrderItemDo
	Create(values ...*entity.OrderItem) error
	CreateInBatches(values []*entity.OrderItem, batchSize int) error
	Save(values ...*entity.OrderItem) error
	First() (*entity.OrderItem, error)
	Take() (*entity.OrderItem, error)
	Last() (*entity.OrderItem, error)
	Find() ([]*entity.OrderItem, error)
	FindInBatch(batchSize int, fc func(tx gen.Dao, batch int) error) (results []*entity.OrderItem, err error)
	FindInBatches(result *[]*entity.OrderItem, batchSize int, fc func(tx gen.Dao, batch int) error) error
	Pluck(column field.Expr, dest interface{}) error
	Delete(...*entity.OrderItem) (info gen.ResultInfo, err error)
	Update(column field.Expr, value interface{}) (info gen.ResultInfo, err error)
	UpdateSimple(columns ...field.AssignExpr) (info gen.ResultInfo, err error)
	Updates(value interface{}) (info gen.ResultInfo, err error)
	UpdateColumn(column field.Expr, value interface{}) (info gen.ResultInfo, err error)
	UpdateColumnSimple(columns ...field.AssignExpr) (info gen.ResultInfo, err error)
	UpdateColumns(value interface{}) (info gen.ResultInfo, err error)
	UpdateFrom(q gen.SubQuery) gen.Dao
	Attrs(attrs ...field.AssignExpr) IOrderItemDo
	Assign(attrs ...field.AssignExpr) IOrderItemDo
	Joins(fields ...field.RelationField) IOrderItemDo
	Preload(fields ...field.RelationField) IOrderItemDo
	FirstOrInit() (*entity.OrderItem, error)
	FirstOrCreate() (*entity.OrderItem, error)
	FindByPage(offset int, limit int) (result []*entity.OrderItem, count int64, err error)
	ScanByPage(result interface{}, offset int, limit int) (count int64, err error)
	Scan(result interface{}) (err error)
	Returning(value interface{}, columns ...string) IOrderItemDo
	UnderlyingDB() *gorm.DB
	schema.Tabler
}

func (o orderItemDo) Debug() IOrderItemDo {
	return o.withDO(o.DO.Debug())
}

func (o orderItemDo) WithContext(ctx context.Context) IOrderItemDo {
	return o.withDO(o.DO.WithContext(ctx))
}

func (o orderItemDo) ReadDB() IOrderItemDo {
	return o.Clauses(dbresolver.Read)
}

func (o orderItemDo) WriteDB() IOrderItemDo {
	return o.Clauses(dbresolver.Write)
}

func (o orderItemDo) Session(config *gorm.Session) IOrderItemDo {
	return o.withDO(o.DO.Session(config))
}

func (o orderItemDo) Clauses(conds ...clause.Expression) IOrderItemDo {
	return o.withDO(o.DO.Clauses(conds...))
}

func (o orderItemDo) Returning(value interface{}, columns ...string) IOrderItemDo {
	return o.withDO(o.DO.Returning(value, columns...))
}

func (o orderItemDo) Not(conds ...gen.Condition) IOrderItemDo {
	return o.withDO(o.DO.Not(conds...))
}

func (o orderItemDo) Or(conds ...gen.Condition) IOrderItemDo {
	return o.withDO(o.DO.Or(conds...))
}

func (o orderItemDo) Select(conds ...field.Expr) IOrderItemDo {
	return o.withDO(o.DO.Select(conds...))
}

func (o orderItemDo) Where(conds ...gen.Condition) IOrderItemDo {
	return o.withDO(o.DO.Where(conds...))
}

func (o orderItemDo) Order(conds ...field.Expr) IOrderItemDo {
	return o.withDO(o.DO.Order(conds...))
}

func (o orderItemDo) Distinct(cols ...field.Expr) IOrderItemDo {
	return o.withDO(o.DO.Distinct(cols...))
}

func (o orderItemDo) Omit(cols ...field.Expr) IOrderItemDo {
	return o.withDO(o.DO.Omit(cols...))
}

func (o orderItemDo) Join(table schema.Tabler, on ...field.Expr) IOrderItemDo {
	return o.withDO(o.DO.Join(table, on...))
}

func (o orderItemDo) LeftJoin(table schema.Tabler, on ...field.Expr) IOrderItemDo {
	return o.withDO(o.DO.LeftJoin(table, on...))
}

func (o orderItemDo) RightJoin(table schema.Tabler, on ...field.Expr) IOrderItemDo {
	return o.withDO(o.DO.RightJoin(table, on...))
}

func (o orderItemDo) Group(cols ...field.Expr) IOrderItemDo {
	return o.withDO(o.DO.Group(cols...))
}

func (o orderItemDo) Having(conds ...gen.Condition) IOrderItemDo {
	return o.withDO(o.DO.Having(conds...))
}

func (o orderItemDo) Limit(limit int) IOrderItemDo {
	return o.withDO(o.DO.Limit(limit))
}

func (o orderItemDo) Offset(offset int) IOrderItemDo {
	return o.withDO(o.DO.Offset(offset))
}

func (o orderItemDo) Scopes(funcs ...func(gen.Dao) gen.Dao) IOrderItemDo {
	return o.withDO(o.DO.Scopes(funcs...))
}

func (o orderItemDo) Unscoped() IOrderItemDo {
	return o.withDO(o.DO.Unscoped())
}

func (o orderItemDo) Create(values ...*entity.OrderItem) error {
	if len(values) == 0 {
		return nil
	}
	return o.DO.Create(values)
}

func (o orderItemDo) CreateInBatches(values []*entity.OrderItem, batchSize int) error {
	return o.DO.CreateInBatches(values, batchSize)
}

// Save : !!! underlying implementation is different with GORM
// The method is equivalent to executing the statement: db.Clauses(clause.OnConflict{UpdateAll: true}).Create(values)
func (o orderItemDo) Save(values ...*entity.OrderItem) error {
	if len(values) == 0 {
		return nil
	}
	return o.DO.Save(values)
}

func (o orderItemDo) First() (*entity.OrderItem, error) {
	if result, err := o.DO.First(); err != nil {
		return nil, err
	} else {
		return result.(*entity.OrderItem), nil
	}
}

func (o orderItemDo) Take() (*entity.OrderItem, error) {
	if result, err := o.DO.Take(); err != nil {
		return nil, err
	} else {
		return result.(*entity.OrderItem), nil
	}
}

func (o orderItemDo) Last() (*entity.OrderItem, error) {
	if result, err := o.DO.Last(); err != nil {
		return nil, err
	} else {
		return result.(*entity.OrderItem), nil
	}
}

func (o orderItemDo) Find() ([]*entity.OrderItem, error) {
	result, err := o.DO.Find()
	return result.([]*entity.OrderItem), err
}

func (o orderItemDo) FindInBatch(batchSize int, fc func(tx gen.Dao, batch int) error) (results []*entity.OrderItem, err error) {
	buf := make([]*entity.OrderItem, 0, batchSize)
	err = o.DO.FindInBatches(&buf, batchSize, func(tx gen.Dao, batch int) error {
		defer func() { results = append(results, buf...) }()
		return fc(tx, batch)
	})
	return results, err
}

func (o orderItemDo) FindInBatches(result *[]*entity.OrderItem, batchSize int, fc func(tx gen.Dao, batch int) error) error {
	return o.DO.FindInBatches(result, batchSize, fc)
}

func (o orderItemDo) Attrs(attrs ...field.AssignExpr) IOrderItemDo {
	return o.withDO(o.DO.Attrs(attrs...))
}

func (o orderItemDo) Assign(attrs ...field.AssignExpr) IOrderItemDo {
	return o.withDO(o.DO.Assign(attrs...))
}

func (o orderItemDo) Joins(fields ...field.RelationField) IOrderItemDo {
	for _, _f := range fields {
		o = *o.withDO(o.DO.Joins(_f))
	}
	return &o
}

func (o orderItemDo) Preload(fields ...field.RelationField) IOrderItemDo {
	for _, _f := range fields {
		o = *o.withDO(o.DO.Preload(_f))
	}
	return &o
}

func (o orderItemDo) FirstOrInit() (*entity.OrderItem, error) {
	if result, err := o.DO.FirstOrInit(); err != nil {
		return nil, err
	} else {
		return result.(*entity.OrderItem), nil
	}
}

func (o orderItemDo) FirstOrCreate() (*entity.OrderItem, error) {
	if result, err := o.DO.FirstOrCreate(); err != nil {
		return nil, err
	} else {
		return result.(*entity.OrderItem), nil
	}
}

func (o orderItemDo) FindByPage(offset int, limit int) (result []*entity.OrderItem, count int64, err error) {
	result, err = o.Offset(offset).Limit(limit).Find()
	if err != nil {
		return
	}

	if size := len(result); 0 < limit && 0 < size && size < limit {
		count = int64(size + offset)
		return
	}

	count, err = o.Offset(-1).Limit(-1).Count()
	return
}

func (o orderItemDo) ScanByPage(result interface{}, offset int, limit int) (count int64, err error) {
	count, err = o.Count()
	if err != nil {
		return
	}

	err = o.Offset(offset).Limit(limit).Scan(result)
	return
}

func (o orderItemDo) Scan(result interface{}) (err error) {
	return o.DO.Scan(result)
}

func (o orderItemDo) Delete(models ...*entity.OrderItem) (result gen.ResultInfo, err error) {
	return o.DO.Delete(models)
}

func (o *orderItemDo) withDO(do gen.Dao) *orderItemDo {
	o.DO = *do.(*gen.DO)
	return o
}