// 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 newArea(db *gorm.DB, opts ...gen.DOOption) area {
	_area := area{}

	_area.areaDo.UseDB(db, opts...)
	_area.areaDo.UseModel(&models.Area{})

	tableName := _area.areaDo.TableName()
	_area.ALL = field.NewAsterisk(tableName)
	_area.ID = field.NewInt32(tableName, "id")
	_area.CreatedAt = field.NewTime(tableName, "created_at")
	_area.UpdatedAt = field.NewTime(tableName, "updated_at")
	_area.DeletedAt = field.NewField(tableName, "deleted_at")
	_area.Name = field.NewString(tableName, "name")
	_area.Level = field.NewInt(tableName, "level")
	_area.ParentID = field.NewInt32(tableName, "parent_id")
	_area.Parent = areaBelongsToParent{
		db: db.Session(&gorm.Session{}),

		RelationField: field.NewRelation("Parent", "models.Area"),
		Parent: struct {
			field.RelationField
		}{
			RelationField: field.NewRelation("Parent.Parent", "models.Area"),
		},
	}

	_area.fillFieldMap()

	return _area
}

type area struct {
	areaDo

	ALL       field.Asterisk
	ID        field.Int32
	CreatedAt field.Time
	UpdatedAt field.Time
	DeletedAt field.Field
	Name      field.String
	Level     field.Int
	ParentID  field.Int32
	Parent    areaBelongsToParent

	fieldMap map[string]field.Expr
}

func (a area) Table(newTableName string) *area {
	a.areaDo.UseTable(newTableName)
	return a.updateTableName(newTableName)
}

func (a area) As(alias string) *area {
	a.areaDo.DO = *(a.areaDo.As(alias).(*gen.DO))
	return a.updateTableName(alias)
}

func (a *area) updateTableName(table string) *area {
	a.ALL = field.NewAsterisk(table)
	a.ID = field.NewInt32(table, "id")
	a.CreatedAt = field.NewTime(table, "created_at")
	a.UpdatedAt = field.NewTime(table, "updated_at")
	a.DeletedAt = field.NewField(table, "deleted_at")
	a.Name = field.NewString(table, "name")
	a.Level = field.NewInt(table, "level")
	a.ParentID = field.NewInt32(table, "parent_id")

	a.fillFieldMap()

	return a
}

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

func (a *area) fillFieldMap() {
	a.fieldMap = make(map[string]field.Expr, 8)
	a.fieldMap["id"] = a.ID
	a.fieldMap["created_at"] = a.CreatedAt
	a.fieldMap["updated_at"] = a.UpdatedAt
	a.fieldMap["deleted_at"] = a.DeletedAt
	a.fieldMap["name"] = a.Name
	a.fieldMap["level"] = a.Level
	a.fieldMap["parent_id"] = a.ParentID

}

func (a area) clone(db *gorm.DB) area {
	a.areaDo.ReplaceConnPool(db.Statement.ConnPool)
	a.Parent.db = db.Session(&gorm.Session{Initialized: true})
	a.Parent.db.Statement.ConnPool = db.Statement.ConnPool
	return a
}

func (a area) replaceDB(db *gorm.DB) area {
	a.areaDo.ReplaceDB(db)
	a.Parent.db = db.Session(&gorm.Session{})
	return a
}

type areaBelongsToParent struct {
	db *gorm.DB

	field.RelationField

	Parent struct {
		field.RelationField
	}
}

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

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

func (a areaBelongsToParent) Model(m *models.Area) *areaBelongsToParentTx {
	return &areaBelongsToParentTx{a.db.Model(m).Association(a.Name())}
}

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

type areaBelongsToParentTx struct{ tx *gorm.Association }

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

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

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

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

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

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

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

type areaDo struct{ gen.DO }

func (a areaDo) Debug() *areaDo {
	return a.withDO(a.DO.Debug())
}

func (a areaDo) WithContext(ctx context.Context) *areaDo {
	return a.withDO(a.DO.WithContext(ctx))
}

func (a areaDo) ReadDB() *areaDo {
	return a.Clauses(dbresolver.Read)
}

func (a areaDo) WriteDB() *areaDo {
	return a.Clauses(dbresolver.Write)
}

func (a areaDo) Session(config *gorm.Session) *areaDo {
	return a.withDO(a.DO.Session(config))
}

func (a areaDo) Clauses(conds ...clause.Expression) *areaDo {
	return a.withDO(a.DO.Clauses(conds...))
}

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

func (a areaDo) Not(conds ...gen.Condition) *areaDo {
	return a.withDO(a.DO.Not(conds...))
}

func (a areaDo) Or(conds ...gen.Condition) *areaDo {
	return a.withDO(a.DO.Or(conds...))
}

func (a areaDo) Select(conds ...field.Expr) *areaDo {
	return a.withDO(a.DO.Select(conds...))
}

func (a areaDo) Where(conds ...gen.Condition) *areaDo {
	return a.withDO(a.DO.Where(conds...))
}

func (a areaDo) Order(conds ...field.Expr) *areaDo {
	return a.withDO(a.DO.Order(conds...))
}

func (a areaDo) Distinct(cols ...field.Expr) *areaDo {
	return a.withDO(a.DO.Distinct(cols...))
}

func (a areaDo) Omit(cols ...field.Expr) *areaDo {
	return a.withDO(a.DO.Omit(cols...))
}

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

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

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

func (a areaDo) Group(cols ...field.Expr) *areaDo {
	return a.withDO(a.DO.Group(cols...))
}

func (a areaDo) Having(conds ...gen.Condition) *areaDo {
	return a.withDO(a.DO.Having(conds...))
}

func (a areaDo) Limit(limit int) *areaDo {
	return a.withDO(a.DO.Limit(limit))
}

func (a areaDo) Offset(offset int) *areaDo {
	return a.withDO(a.DO.Offset(offset))
}

func (a areaDo) Scopes(funcs ...func(gen.Dao) gen.Dao) *areaDo {
	return a.withDO(a.DO.Scopes(funcs...))
}

func (a areaDo) Unscoped() *areaDo {
	return a.withDO(a.DO.Unscoped())
}

func (a areaDo) Create(values ...*models.Area) error {
	if len(values) == 0 {
		return nil
	}
	return a.DO.Create(values)
}

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

func (a areaDo) First() (*models.Area, error) {
	if result, err := a.DO.First(); err != nil {
		return nil, err
	} else {
		return result.(*models.Area), nil
	}
}

func (a areaDo) Take() (*models.Area, error) {
	if result, err := a.DO.Take(); err != nil {
		return nil, err
	} else {
		return result.(*models.Area), nil
	}
}

func (a areaDo) Last() (*models.Area, error) {
	if result, err := a.DO.Last(); err != nil {
		return nil, err
	} else {
		return result.(*models.Area), nil
	}
}

func (a areaDo) Find() ([]*models.Area, error) {
	result, err := a.DO.Find()
	return result.([]*models.Area), err
}

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

func (a areaDo) Attrs(attrs ...field.AssignExpr) *areaDo {
	return a.withDO(a.DO.Attrs(attrs...))
}

func (a areaDo) Assign(attrs ...field.AssignExpr) *areaDo {
	return a.withDO(a.DO.Assign(attrs...))
}

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

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

func (a areaDo) FirstOrInit() (*models.Area, error) {
	if result, err := a.DO.FirstOrInit(); err != nil {
		return nil, err
	} else {
		return result.(*models.Area), nil
	}
}

func (a areaDo) FirstOrCreate() (*models.Area, error) {
	if result, err := a.DO.FirstOrCreate(); err != nil {
		return nil, err
	} else {
		return result.(*models.Area), nil
	}
}

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

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

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

func (a areaDo) Scan(result interface{}) (err error) {
	return a.DO.Scan(result)
}

func (a areaDo) Delete(models ...*models.Area) (result gen.ResultInfo, err error) {
	return a.DO.Delete(models)
}

func (a *areaDo) withDO(do gen.Dao) *areaDo {
	a.DO = *do.(*gen.DO)
	return a
}