// Code generated by ent, DO NOT EDIT.

package department

import (
	"fmt"
	"time"

	"entgo.io/ent"
	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
	"git.noahlan.cn/noahlan/ntool-biz/core/orm/nent/types"
)

const (
	// Label holds the string label denoting the department type in the database.
	Label = "department"
	// FieldID holds the string denoting the id field in the database.
	FieldID = "id"
	// FieldCreatedAt holds the string denoting the created_at field in the database.
	FieldCreatedAt = "created_at"
	// FieldUpdatedAt holds the string denoting the updated_at field in the database.
	FieldUpdatedAt = "updated_at"
	// FieldStatus holds the string denoting the status field in the database.
	FieldStatus = "status"
	// FieldVersion holds the string denoting the version field in the database.
	FieldVersion = "version"
	// FieldName holds the string denoting the name field in the database.
	FieldName = "name"
	// FieldLeaderID holds the string denoting the leader_id field in the database.
	FieldLeaderID = "leader_id"
	// FieldRemark holds the string denoting the remark field in the database.
	FieldRemark = "remark"
	// FieldParentID holds the string denoting the parent_id field in the database.
	FieldParentID = "parent_id"
	// EdgeParent holds the string denoting the parent edge name in mutations.
	EdgeParent = "parent"
	// EdgeChildren holds the string denoting the children edge name in mutations.
	EdgeChildren = "children"
	// EdgeUsers holds the string denoting the users edge name in mutations.
	EdgeUsers = "users"
	// EdgeLeader holds the string denoting the leader edge name in mutations.
	EdgeLeader = "leader"
	// Table holds the table name of the department in the database.
	Table = "sys_department"
	// ParentTable is the table that holds the parent relation/edge.
	ParentTable = "sys_department"
	// ParentColumn is the table column denoting the parent relation/edge.
	ParentColumn = "parent_id"
	// ChildrenTable is the table that holds the children relation/edge.
	ChildrenTable = "sys_department"
	// ChildrenColumn is the table column denoting the children relation/edge.
	ChildrenColumn = "parent_id"
	// UsersTable is the table that holds the users relation/edge. The primary key declared below.
	UsersTable = "user_departments"
	// UsersInverseTable is the table name for the User entity.
	// It exists in this package in order to avoid circular dependency with the "user" package.
	UsersInverseTable = "sys_user"
	// LeaderTable is the table that holds the leader relation/edge.
	LeaderTable = "sys_department"
	// LeaderInverseTable is the table name for the User entity.
	// It exists in this package in order to avoid circular dependency with the "user" package.
	LeaderInverseTable = "sys_user"
	// LeaderColumn is the table column denoting the leader relation/edge.
	LeaderColumn = "leader_id"
)

// Columns holds all SQL columns for department fields.
var Columns = []string{
	FieldID,
	FieldCreatedAt,
	FieldUpdatedAt,
	FieldStatus,
	FieldVersion,
	FieldName,
	FieldLeaderID,
	FieldRemark,
	FieldParentID,
}

var (
	// UsersPrimaryKey and UsersColumn2 are the table columns denoting the
	// primary key for the users relation (M2M).
	UsersPrimaryKey = []string{"user_id", "department_id"}
)

// ValidColumn reports if the column name is valid (part of the table columns).
func ValidColumn(column string) bool {
	for i := range Columns {
		if column == Columns[i] {
			return true
		}
	}
	return false
}

// Note that the variables below are initialized by the runtime
// package on the initialization of the application. Therefore,
// it should be imported in the main as follows:
//
//	import _ "git.noahlan.cn/n-admin/n-admin-server/rpc/core/ent/runtime"
var (
	Hooks [1]ent.Hook
	// DefaultCreatedAt holds the default value on creation for the "created_at" field.
	DefaultCreatedAt func() time.Time
	// DefaultUpdatedAt holds the default value on creation for the "updated_at" field.
	DefaultUpdatedAt func() time.Time
	// UpdateDefaultUpdatedAt holds the default value on update for the "updated_at" field.
	UpdateDefaultUpdatedAt func() time.Time
	// DefaultVersion holds the default value on creation for the "version" field.
	DefaultVersion int64
	// DefaultID holds the default value on creation for the "id" field.
	DefaultID func() int64
)

const DefaultStatus types.Status = "Normal"

// StatusValidator is a validator for the "status" field enum values. It is called by the builders before save.
func StatusValidator(s types.Status) error {
	switch s.String() {
	case "Normal", "Pending", "Disabled", "Locked":
		return nil
	default:
		return fmt.Errorf("department: invalid enum value for status field: %q", s)
	}
}

// OrderOption defines the ordering options for the Department queries.
type OrderOption func(*sql.Selector)

// ByID orders the results by the id field.
func ByID(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldID, opts...).ToFunc()
}

// ByCreatedAt orders the results by the created_at field.
func ByCreatedAt(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldCreatedAt, opts...).ToFunc()
}

// ByUpdatedAt orders the results by the updated_at field.
func ByUpdatedAt(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldUpdatedAt, opts...).ToFunc()
}

// ByStatus orders the results by the status field.
func ByStatus(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldStatus, opts...).ToFunc()
}

// ByVersion orders the results by the version field.
func ByVersion(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldVersion, opts...).ToFunc()
}

// ByName orders the results by the name field.
func ByName(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldName, opts...).ToFunc()
}

// ByLeaderID orders the results by the leader_id field.
func ByLeaderID(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldLeaderID, opts...).ToFunc()
}

// ByRemark orders the results by the remark field.
func ByRemark(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldRemark, opts...).ToFunc()
}

// ByParentID orders the results by the parent_id field.
func ByParentID(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldParentID, opts...).ToFunc()
}

// ByParentField orders the results by parent field.
func ByParentField(field string, opts ...sql.OrderTermOption) OrderOption {
	return func(s *sql.Selector) {
		sqlgraph.OrderByNeighborTerms(s, newParentStep(), sql.OrderByField(field, opts...))
	}
}

// ByChildrenCount orders the results by children count.
func ByChildrenCount(opts ...sql.OrderTermOption) OrderOption {
	return func(s *sql.Selector) {
		sqlgraph.OrderByNeighborsCount(s, newChildrenStep(), opts...)
	}
}

// ByChildren orders the results by children terms.
func ByChildren(term sql.OrderTerm, terms ...sql.OrderTerm) OrderOption {
	return func(s *sql.Selector) {
		sqlgraph.OrderByNeighborTerms(s, newChildrenStep(), append([]sql.OrderTerm{term}, terms...)...)
	}
}

// ByUsersCount orders the results by users count.
func ByUsersCount(opts ...sql.OrderTermOption) OrderOption {
	return func(s *sql.Selector) {
		sqlgraph.OrderByNeighborsCount(s, newUsersStep(), opts...)
	}
}

// ByUsers orders the results by users terms.
func ByUsers(term sql.OrderTerm, terms ...sql.OrderTerm) OrderOption {
	return func(s *sql.Selector) {
		sqlgraph.OrderByNeighborTerms(s, newUsersStep(), append([]sql.OrderTerm{term}, terms...)...)
	}
}

// ByLeaderField orders the results by leader field.
func ByLeaderField(field string, opts ...sql.OrderTermOption) OrderOption {
	return func(s *sql.Selector) {
		sqlgraph.OrderByNeighborTerms(s, newLeaderStep(), sql.OrderByField(field, opts...))
	}
}
func newParentStep() *sqlgraph.Step {
	return sqlgraph.NewStep(
		sqlgraph.From(Table, FieldID),
		sqlgraph.To(Table, FieldID),
		sqlgraph.Edge(sqlgraph.M2O, true, ParentTable, ParentColumn),
	)
}
func newChildrenStep() *sqlgraph.Step {
	return sqlgraph.NewStep(
		sqlgraph.From(Table, FieldID),
		sqlgraph.To(Table, FieldID),
		sqlgraph.Edge(sqlgraph.O2M, false, ChildrenTable, ChildrenColumn),
	)
}
func newUsersStep() *sqlgraph.Step {
	return sqlgraph.NewStep(
		sqlgraph.From(Table, FieldID),
		sqlgraph.To(UsersInverseTable, FieldID),
		sqlgraph.Edge(sqlgraph.M2M, true, UsersTable, UsersPrimaryKey...),
	)
}
func newLeaderStep() *sqlgraph.Step {
	return sqlgraph.NewStep(
		sqlgraph.From(Table, FieldID),
		sqlgraph.To(LeaderInverseTable, FieldID),
		sqlgraph.Edge(sqlgraph.M2O, false, LeaderTable, LeaderColumn),
	)
}