sub2api/backend/ent/schema/mixins/time.go

package mixins

import (
	"time"

	"entgo.io/ent"
	"entgo.io/ent/dialect"
	"entgo.io/ent/schema/field"
	"entgo.io/ent/schema/mixin"
)

// TimeMixin provides created_at and updated_at fields compatible with the existing schema.
type TimeMixin struct {
	mixin.Schema
}

func (TimeMixin) Fields() []ent.Field {
	return []ent.Field{
		field.Time("created_at").
			Immutable().
			Default(time.Now).
			SchemaType(map[string]string{
				dialect.Postgres: "timestamptz",
			}),
		field.Time("updated_at").
			Default(time.Now).
			UpdateDefault(time.Now).
			SchemaType(map[string]string{
				dialect.Postgres: "timestamptz",
			}),
	}
}