// Code generated by ent, DO NOT EDIT.

package dailycategorycontent

import (
	"fmt"

	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
)

const (
	// Label holds the string label denoting the dailycategorycontent type in the database.
	Label = "daily_category_content"
	// FieldID holds the string denoting the id field in the database.
	FieldID = "id"
	// FieldLanguageCode holds the string denoting the language_code field in the database.
	FieldLanguageCode = "language_code"
	// FieldName holds the string denoting the name field in the database.
	FieldName = "name"
	// EdgeCategory holds the string denoting the category edge name in mutations.
	EdgeCategory = "category"
	// Table holds the table name of the dailycategorycontent in the database.
	Table = "daily_category_contents"
	// CategoryTable is the table that holds the category relation/edge.
	CategoryTable = "daily_category_contents"
	// CategoryInverseTable is the table name for the DailyCategory entity.
	// It exists in this package in order to avoid circular dependency with the "dailycategory" package.
	CategoryInverseTable = "daily_categories"
	// CategoryColumn is the table column denoting the category relation/edge.
	CategoryColumn = "daily_category_contents"
)

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

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

// 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 (
	// NameValidator is a validator for the "name" field. It is called by the builders before save.
	NameValidator func(string) error
)

// LanguageCode defines the type for the "language_code" enum field.
type LanguageCode string

// LanguageCode values.
const (
	LanguageCodeEn     LanguageCode = "en"
	LanguageCodeZhHans LanguageCode = "zh-Hans"
	LanguageCodeZhHant LanguageCode = "zh-Hant"
)

func (lc LanguageCode) String() string {
	return string(lc)
}

// LanguageCodeValidator is a validator for the "language_code" field enum values. It is called by the builders before save.
func LanguageCodeValidator(lc LanguageCode) error {
	switch lc {
	case LanguageCodeEn, LanguageCodeZhHans, LanguageCodeZhHant:
		return nil
	default:
		return fmt.Errorf("dailycategorycontent: invalid enum value for language_code field: %q", lc)
	}
}

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

// ByLanguageCode orders the results by the language_code field.
func ByLanguageCode(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldLanguageCode, opts...).ToFunc()
}

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

// ByCategoryField orders the results by category field.
func ByCategoryField(field string, opts ...sql.OrderTermOption) OrderOption {
	return func(s *sql.Selector) {
		sqlgraph.OrderByNeighborTerms(s, newCategoryStep(), sql.OrderByField(field, opts...))
	}
}
func newCategoryStep() *sqlgraph.Step {
	return sqlgraph.NewStep(
		sqlgraph.From(Table, FieldID),
		sqlgraph.To(CategoryInverseTable, FieldID),
		sqlgraph.Edge(sqlgraph.M2O, true, CategoryTable, CategoryColumn),
	)
}