// Code generated by ent, DO NOT EDIT.

package subject

import (
	"time"

	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
	"github.com/google/uuid"
)

const (
	// Label holds the string label denoting the subject type in the database.
	Label = "subject"
	// 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"
	// FieldName holds the string denoting the name field in the database.
	FieldName = "name"
	// EdgeSubjectDigests holds the string denoting the subject_digests edge name in mutations.
	EdgeSubjectDigests = "subject_digests"
	// EdgeStatement holds the string denoting the statement edge name in mutations.
	EdgeStatement = "statement"
	// Table holds the table name of the subject in the database.
	Table = "subjects"
	// SubjectDigestsTable is the table that holds the subject_digests relation/edge.
	SubjectDigestsTable = "subject_digests"
	// SubjectDigestsInverseTable is the table name for the SubjectDigest entity.
	// It exists in this package in order to avoid circular dependency with the "subjectdigest" package.
	SubjectDigestsInverseTable = "subject_digests"
	// SubjectDigestsColumn is the table column denoting the subject_digests relation/edge.
	SubjectDigestsColumn = "subject_subject_digests"
	// StatementTable is the table that holds the statement relation/edge.
	StatementTable = "subjects"
	// StatementInverseTable is the table name for the Statement entity.
	// It exists in this package in order to avoid circular dependency with the "statement" package.
	StatementInverseTable = "statements"
	// StatementColumn is the table column denoting the statement relation/edge.
	StatementColumn = "statement_subjects"
)

// Columns holds all SQL columns for subject fields.
var Columns = []string{
	FieldID,
	FieldCreatedAt,
	FieldName,
}

// ForeignKeys holds the SQL foreign-keys that are owned by the "subjects"
// table and are not defined as standalone fields in the schema.
var ForeignKeys = []string{
	"statement_subjects",
}

// 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
		}
	}
	for i := range ForeignKeys {
		if column == ForeignKeys[i] {
			return true
		}
	}
	return false
}

var (
	// DefaultCreatedAt holds the default value on creation for the "created_at" field.
	DefaultCreatedAt func() time.Time
	// NameValidator is a validator for the "name" field. It is called by the builders before save.
	NameValidator func(string) error
	// DefaultID holds the default value on creation for the "id" field.
	DefaultID func() uuid.UUID
)

// OrderOption defines the ordering options for the Subject 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()
}

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

// BySubjectDigestsCount orders the results by subject_digests count.
func BySubjectDigestsCount(opts ...sql.OrderTermOption) OrderOption {
	return func(s *sql.Selector) {
		sqlgraph.OrderByNeighborsCount(s, newSubjectDigestsStep(), opts...)
	}
}

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

// ByStatementField orders the results by statement field.
func ByStatementField(field string, opts ...sql.OrderTermOption) OrderOption {
	return func(s *sql.Selector) {
		sqlgraph.OrderByNeighborTerms(s, newStatementStep(), sql.OrderByField(field, opts...))
	}
}
func newSubjectDigestsStep() *sqlgraph.Step {
	return sqlgraph.NewStep(
		sqlgraph.From(Table, FieldID),
		sqlgraph.To(SubjectDigestsInverseTable, FieldID),
		sqlgraph.Edge(sqlgraph.O2M, false, SubjectDigestsTable, SubjectDigestsColumn),
	)
}
func newStatementStep() *sqlgraph.Step {
	return sqlgraph.NewStep(
		sqlgraph.From(Table, FieldID),
		sqlgraph.To(StatementInverseTable, FieldID),
		sqlgraph.Edge(sqlgraph.M2O, true, StatementTable, StatementColumn),
	)
}
