// 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 queries

import (
	"context"

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

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

	"gorm.io/plugin/dbresolver"

	"platform/web/models"
)

func newCouponUser(db *gorm.DB, opts ...gen.DOOption) couponUser {
	_couponUser := couponUser{}

	_couponUser.couponUserDo.UseDB(db, opts...)
	_couponUser.couponUserDo.UseModel(&models.CouponUser{})

	tableName := _couponUser.couponUserDo.TableName()
	_couponUser.ALL = field.NewAsterisk(tableName)
	_couponUser.ID = field.NewInt32(tableName, "id")
	_couponUser.CouponID = field.NewInt32(tableName, "coupon_id")
	_couponUser.UserID = field.NewInt32(tableName, "user_id")
	_couponUser.Status = field.NewInt(tableName, "status")
	_couponUser.ExpireAt = field.NewTime(tableName, "expire_at")
	_couponUser.UsedAt = field.NewTime(tableName, "used_at")
	_couponUser.CreatedAt = field.NewTime(tableName, "created_at")
	_couponUser.Coupon = couponUserBelongsToCoupon{
		db: db.Session(&gorm.Session{}),

		RelationField: field.NewRelation("Coupon", "models.Coupon"),
	}

	_couponUser.User = couponUserBelongsToUser{
		db: db.Session(&gorm.Session{}),

		RelationField: field.NewRelation("User", "models.User"),
		Admin: struct {
			field.RelationField
			Roles struct {
				field.RelationField
				Permissions struct {
					field.RelationField
					Parent struct {
						field.RelationField
					}
					Children struct {
						field.RelationField
					}
				}
			}
		}{
			RelationField: field.NewRelation("User.Admin", "models.Admin"),
			Roles: struct {
				field.RelationField
				Permissions struct {
					field.RelationField
					Parent struct {
						field.RelationField
					}
					Children struct {
						field.RelationField
					}
				}
			}{
				RelationField: field.NewRelation("User.Admin.Roles", "models.AdminRole"),
				Permissions: struct {
					field.RelationField
					Parent struct {
						field.RelationField
					}
					Children struct {
						field.RelationField
					}
				}{
					RelationField: field.NewRelation("User.Admin.Roles.Permissions", "models.Permission"),
					Parent: struct {
						field.RelationField
					}{
						RelationField: field.NewRelation("User.Admin.Roles.Permissions.Parent", "models.Permission"),
					},
					Children: struct {
						field.RelationField
					}{
						RelationField: field.NewRelation("User.Admin.Roles.Permissions.Children", "models.Permission"),
					},
				},
			},
		},
		Discount: struct {
			field.RelationField
		}{
			RelationField: field.NewRelation("User.Discount", "models.ProductDiscount"),
		},
		Roles: struct {
			field.RelationField
			Permissions struct {
				field.RelationField
			}
		}{
			RelationField: field.NewRelation("User.Roles", "models.UserRole"),
			Permissions: struct {
				field.RelationField
			}{
				RelationField: field.NewRelation("User.Roles.Permissions", "models.Permission"),
			},
		},
	}

	_couponUser.fillFieldMap()

	return _couponUser
}

type couponUser struct {
	couponUserDo

	ALL       field.Asterisk
	ID        field.Int32
	CouponID  field.Int32
	UserID    field.Int32
	Status    field.Int
	ExpireAt  field.Time
	UsedAt    field.Time
	CreatedAt field.Time
	Coupon    couponUserBelongsToCoupon

	User couponUserBelongsToUser

	fieldMap map[string]field.Expr
}

func (c couponUser) Table(newTableName string) *couponUser {
	c.couponUserDo.UseTable(newTableName)
	return c.updateTableName(newTableName)
}

func (c couponUser) As(alias string) *couponUser {
	c.couponUserDo.DO = *(c.couponUserDo.As(alias).(*gen.DO))
	return c.updateTableName(alias)
}

func (c *couponUser) updateTableName(table string) *couponUser {
	c.ALL = field.NewAsterisk(table)
	c.ID = field.NewInt32(table, "id")
	c.CouponID = field.NewInt32(table, "coupon_id")
	c.UserID = field.NewInt32(table, "user_id")
	c.Status = field.NewInt(table, "status")
	c.ExpireAt = field.NewTime(table, "expire_at")
	c.UsedAt = field.NewTime(table, "used_at")
	c.CreatedAt = field.NewTime(table, "created_at")

	c.fillFieldMap()

	return c
}

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

func (c *couponUser) fillFieldMap() {
	c.fieldMap = make(map[string]field.Expr, 9)
	c.fieldMap["id"] = c.ID
	c.fieldMap["coupon_id"] = c.CouponID
	c.fieldMap["user_id"] = c.UserID
	c.fieldMap["status"] = c.Status
	c.fieldMap["expire_at"] = c.ExpireAt
	c.fieldMap["used_at"] = c.UsedAt
	c.fieldMap["created_at"] = c.CreatedAt

}

func (c couponUser) clone(db *gorm.DB) couponUser {
	c.couponUserDo.ReplaceConnPool(db.Statement.ConnPool)
	c.Coupon.db = db.Session(&gorm.Session{Initialized: true})
	c.Coupon.db.Statement.ConnPool = db.Statement.ConnPool
	c.User.db = db.Session(&gorm.Session{Initialized: true})
	c.User.db.Statement.ConnPool = db.Statement.ConnPool
	return c
}

func (c couponUser) replaceDB(db *gorm.DB) couponUser {
	c.couponUserDo.ReplaceDB(db)
	c.Coupon.db = db.Session(&gorm.Session{})
	c.User.db = db.Session(&gorm.Session{})
	return c
}

type couponUserBelongsToCoupon struct {
	db *gorm.DB

	field.RelationField
}

func (a couponUserBelongsToCoupon) Where(conds ...field.Expr) *couponUserBelongsToCoupon {
	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 couponUserBelongsToCoupon) WithContext(ctx context.Context) *couponUserBelongsToCoupon {
	a.db = a.db.WithContext(ctx)
	return &a
}

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

func (a couponUserBelongsToCoupon) Model(m *models.CouponUser) *couponUserBelongsToCouponTx {
	return &couponUserBelongsToCouponTx{a.db.Model(m).Association(a.Name())}
}

func (a couponUserBelongsToCoupon) Unscoped() *couponUserBelongsToCoupon {
	a.db = a.db.Unscoped()
	return &a
}

type couponUserBelongsToCouponTx struct{ tx *gorm.Association }

func (a couponUserBelongsToCouponTx) Find() (result *models.Coupon, err error) {
	return result, a.tx.Find(&result)
}

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

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

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

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

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

func (a couponUserBelongsToCouponTx) Unscoped() *couponUserBelongsToCouponTx {
	a.tx = a.tx.Unscoped()
	return &a
}

type couponUserBelongsToUser struct {
	db *gorm.DB

	field.RelationField

	Admin struct {
		field.RelationField
		Roles struct {
			field.RelationField
			Permissions struct {
				field.RelationField
				Parent struct {
					field.RelationField
				}
				Children struct {
					field.RelationField
				}
			}
		}
	}
	Discount struct {
		field.RelationField
	}
	Roles struct {
		field.RelationField
		Permissions struct {
			field.RelationField
		}
	}
}

func (a couponUserBelongsToUser) Where(conds ...field.Expr) *couponUserBelongsToUser {
	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 couponUserBelongsToUser) WithContext(ctx context.Context) *couponUserBelongsToUser {
	a.db = a.db.WithContext(ctx)
	return &a
}

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

func (a couponUserBelongsToUser) Model(m *models.CouponUser) *couponUserBelongsToUserTx {
	return &couponUserBelongsToUserTx{a.db.Model(m).Association(a.Name())}
}

func (a couponUserBelongsToUser) Unscoped() *couponUserBelongsToUser {
	a.db = a.db.Unscoped()
	return &a
}

type couponUserBelongsToUserTx struct{ tx *gorm.Association }

func (a couponUserBelongsToUserTx) Find() (result *models.User, err error) {
	return result, a.tx.Find(&result)
}

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

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

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

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

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

func (a couponUserBelongsToUserTx) Unscoped() *couponUserBelongsToUserTx {
	a.tx = a.tx.Unscoped()
	return &a
}

type couponUserDo struct{ gen.DO }

func (c couponUserDo) Debug() *couponUserDo {
	return c.withDO(c.DO.Debug())
}

func (c couponUserDo) WithContext(ctx context.Context) *couponUserDo {
	return c.withDO(c.DO.WithContext(ctx))
}

func (c couponUserDo) ReadDB() *couponUserDo {
	return c.Clauses(dbresolver.Read)
}

func (c couponUserDo) WriteDB() *couponUserDo {
	return c.Clauses(dbresolver.Write)
}

func (c couponUserDo) Session(config *gorm.Session) *couponUserDo {
	return c.withDO(c.DO.Session(config))
}

func (c couponUserDo) Clauses(conds ...clause.Expression) *couponUserDo {
	return c.withDO(c.DO.Clauses(conds...))
}

func (c couponUserDo) Returning(value interface{}, columns ...string) *couponUserDo {
	return c.withDO(c.DO.Returning(value, columns...))
}

func (c couponUserDo) Not(conds ...gen.Condition) *couponUserDo {
	return c.withDO(c.DO.Not(conds...))
}

func (c couponUserDo) Or(conds ...gen.Condition) *couponUserDo {
	return c.withDO(c.DO.Or(conds...))
}

func (c couponUserDo) Select(conds ...field.Expr) *couponUserDo {
	return c.withDO(c.DO.Select(conds...))
}

func (c couponUserDo) Where(conds ...gen.Condition) *couponUserDo {
	return c.withDO(c.DO.Where(conds...))
}

func (c couponUserDo) Order(conds ...field.Expr) *couponUserDo {
	return c.withDO(c.DO.Order(conds...))
}

func (c couponUserDo) Distinct(cols ...field.Expr) *couponUserDo {
	return c.withDO(c.DO.Distinct(cols...))
}

func (c couponUserDo) Omit(cols ...field.Expr) *couponUserDo {
	return c.withDO(c.DO.Omit(cols...))
}

func (c couponUserDo) Join(table schema.Tabler, on ...field.Expr) *couponUserDo {
	return c.withDO(c.DO.Join(table, on...))
}

func (c couponUserDo) LeftJoin(table schema.Tabler, on ...field.Expr) *couponUserDo {
	return c.withDO(c.DO.LeftJoin(table, on...))
}

func (c couponUserDo) RightJoin(table schema.Tabler, on ...field.Expr) *couponUserDo {
	return c.withDO(c.DO.RightJoin(table, on...))
}

func (c couponUserDo) Group(cols ...field.Expr) *couponUserDo {
	return c.withDO(c.DO.Group(cols...))
}

func (c couponUserDo) Having(conds ...gen.Condition) *couponUserDo {
	return c.withDO(c.DO.Having(conds...))
}

func (c couponUserDo) Limit(limit int) *couponUserDo {
	return c.withDO(c.DO.Limit(limit))
}

func (c couponUserDo) Offset(offset int) *couponUserDo {
	return c.withDO(c.DO.Offset(offset))
}

func (c couponUserDo) Scopes(funcs ...func(gen.Dao) gen.Dao) *couponUserDo {
	return c.withDO(c.DO.Scopes(funcs...))
}

func (c couponUserDo) Unscoped() *couponUserDo {
	return c.withDO(c.DO.Unscoped())
}

func (c couponUserDo) Create(values ...*models.CouponUser) error {
	if len(values) == 0 {
		return nil
	}
	return c.DO.Create(values)
}

func (c couponUserDo) CreateInBatches(values []*models.CouponUser, batchSize int) error {
	return c.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 (c couponUserDo) Save(values ...*models.CouponUser) error {
	if len(values) == 0 {
		return nil
	}
	return c.DO.Save(values)
}

func (c couponUserDo) First() (*models.CouponUser, error) {
	if result, err := c.DO.First(); err != nil {
		return nil, err
	} else {
		return result.(*models.CouponUser), nil
	}
}

func (c couponUserDo) Take() (*models.CouponUser, error) {
	if result, err := c.DO.Take(); err != nil {
		return nil, err
	} else {
		return result.(*models.CouponUser), nil
	}
}

func (c couponUserDo) Last() (*models.CouponUser, error) {
	if result, err := c.DO.Last(); err != nil {
		return nil, err
	} else {
		return result.(*models.CouponUser), nil
	}
}

func (c couponUserDo) Find() ([]*models.CouponUser, error) {
	result, err := c.DO.Find()
	return result.([]*models.CouponUser), err
}

func (c couponUserDo) FindInBatch(batchSize int, fc func(tx gen.Dao, batch int) error) (results []*models.CouponUser, err error) {
	buf := make([]*models.CouponUser, 0, batchSize)
	err = c.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 (c couponUserDo) FindInBatches(result *[]*models.CouponUser, batchSize int, fc func(tx gen.Dao, batch int) error) error {
	return c.DO.FindInBatches(result, batchSize, fc)
}

func (c couponUserDo) Attrs(attrs ...field.AssignExpr) *couponUserDo {
	return c.withDO(c.DO.Attrs(attrs...))
}

func (c couponUserDo) Assign(attrs ...field.AssignExpr) *couponUserDo {
	return c.withDO(c.DO.Assign(attrs...))
}

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

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

func (c couponUserDo) FirstOrInit() (*models.CouponUser, error) {
	if result, err := c.DO.FirstOrInit(); err != nil {
		return nil, err
	} else {
		return result.(*models.CouponUser), nil
	}
}

func (c couponUserDo) FirstOrCreate() (*models.CouponUser, error) {
	if result, err := c.DO.FirstOrCreate(); err != nil {
		return nil, err
	} else {
		return result.(*models.CouponUser), nil
	}
}

func (c couponUserDo) FindByPage(offset int, limit int) (result []*models.CouponUser, count int64, err error) {
	result, err = c.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 = c.Offset(-1).Limit(-1).Count()
	return
}

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

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

func (c couponUserDo) Scan(result interface{}) (err error) {
	return c.DO.Scan(result)
}

func (c couponUserDo) Delete(models ...*models.CouponUser) (result gen.ResultInfo, err error) {
	return c.DO.Delete(models)
}

func (c *couponUserDo) withDO(do gen.Dao) *couponUserDo {
	c.DO = *do.(*gen.DO)
	return c
}