// Code generated by ent, DO NOT EDIT.

package announcement

import (
	"time"

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

const (
	// Label holds the string label denoting the announcement type in the database.
	Label = "announcement"
	// FieldID holds the string denoting the id field in the database.
	FieldID = "id"
	// FieldTitle holds the string denoting the title field in the database.
	FieldTitle = "title"
	// FieldContent holds the string denoting the content field in the database.
	FieldContent = "content"
	// FieldStatus holds the string denoting the status field in the database.
	FieldStatus = "status"
	// FieldTargeting holds the string denoting the targeting field in the database.
	FieldTargeting = "targeting"
	// FieldStartsAt holds the string denoting the starts_at field in the database.
	FieldStartsAt = "starts_at"
	// FieldEndsAt holds the string denoting the ends_at field in the database.
	FieldEndsAt = "ends_at"
	// FieldCreatedBy holds the string denoting the created_by field in the database.
	FieldCreatedBy = "created_by"
	// FieldUpdatedBy holds the string denoting the updated_by field in the database.
	FieldUpdatedBy = "updated_by"
	// 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"
	// EdgeReads holds the string denoting the reads edge name in mutations.
	EdgeReads = "reads"
	// Table holds the table name of the announcement in the database.
	Table = "announcements"
	// ReadsTable is the table that holds the reads relation/edge.
	ReadsTable = "announcement_reads"
	// ReadsInverseTable is the table name for the AnnouncementRead entity.
	// It exists in this package in order to avoid circular dependency with the "announcementread" package.
	ReadsInverseTable = "announcement_reads"
	// ReadsColumn is the table column denoting the reads relation/edge.
	ReadsColumn = "announcement_id"
)

// Columns holds all SQL columns for announcement fields.
var Columns = []string{
	FieldID,
	FieldTitle,
	FieldContent,
	FieldStatus,
	FieldTargeting,
	FieldStartsAt,
	FieldEndsAt,
	FieldCreatedBy,
	FieldUpdatedBy,
	FieldCreatedAt,
	FieldUpdatedAt,
}

// 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
}

var (
	// TitleValidator is a validator for the "title" field. It is called by the builders before save.
	TitleValidator func(string) error
	// ContentValidator is a validator for the "content" field. It is called by the builders before save.
	ContentValidator func(string) error
	// DefaultStatus holds the default value on creation for the "status" field.
	DefaultStatus string
	// StatusValidator is a validator for the "status" field. It is called by the builders before save.
	StatusValidator func(string) error
	// 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
)

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

// ByTitle orders the results by the title field.
func ByTitle(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldTitle, opts...).ToFunc()
}

// ByContent orders the results by the content field.
func ByContent(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldContent, opts...).ToFunc()
}

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

// ByStartsAt orders the results by the starts_at field.
func ByStartsAt(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldStartsAt, opts...).ToFunc()
}

// ByEndsAt orders the results by the ends_at field.
func ByEndsAt(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldEndsAt, opts...).ToFunc()
}

// ByCreatedBy orders the results by the created_by field.
func ByCreatedBy(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldCreatedBy, opts...).ToFunc()
}

// ByUpdatedBy orders the results by the updated_by field.
func ByUpdatedBy(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldUpdatedBy, 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()
}

// ByReadsCount orders the results by reads count.
func ByReadsCount(opts ...sql.OrderTermOption) OrderOption {
	return func(s *sql.Selector) {
		sqlgraph.OrderByNeighborsCount(s, newReadsStep(), opts...)
	}
}

// ByReads orders the results by reads terms.
func ByReads(term sql.OrderTerm, terms ...sql.OrderTerm) OrderOption {
	return func(s *sql.Selector) {
		sqlgraph.OrderByNeighborTerms(s, newReadsStep(), append([]sql.OrderTerm{term}, terms...)...)
	}
}
func newReadsStep() *sqlgraph.Step {
	return sqlgraph.NewStep(
		sqlgraph.From(Table, FieldID),
		sqlgraph.To(ReadsInverseTable, FieldID),
		sqlgraph.Edge(sqlgraph.O2M, false, ReadsTable, ReadsColumn),
	)
}