51 lines
1.0 KiB
Go
51 lines
1.0 KiB
Go
// Copyright 2019-present Facebook Inc. All rights reserved.
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// This source code is licensed under the Apache 2.0 license found
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// in the LICENSE file in the root directory of this source tree.
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package schema
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import (
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"time"
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"entgo.io/ent"
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"entgo.io/ent/schema/field"
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"entgo.io/ent/schema/mixin"
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)
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// User holds the schema definition for the User entity.
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type User struct {
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ent.Schema
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}
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// Mixin of the User.
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func (User) Mixin() []ent.Mixin {
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return []ent.Mixin{
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VersionMixin{},
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}
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}
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// Fields of the User.
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func (User) Fields() []ent.Field {
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return []ent.Field{
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field.Enum("status").
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Values("online", "offline"),
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}
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}
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// VersionMixin provides an optimistic concurrency
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// control mechanism using a "version" field.
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type VersionMixin struct {
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mixin.Schema
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}
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// Fields of the VersionMixin.
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func (VersionMixin) Fields() []ent.Field {
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return []ent.Field{
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field.Int64("version").
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DefaultFunc(func() int64 {
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return time.Now().UnixNano()
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}).
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Comment("Unix time of when the latest update occurred"),
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}
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}
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