93 lines
1.6 KiB
Go
93 lines
1.6 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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"database/sql/driver"
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"fmt"
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"github.com/google/uuid"
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"entgo.io/ent"
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"entgo.io/ent/schema/edge"
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"entgo.io/ent/schema/field"
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)
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// Session holds the schema definition for the Session entity.
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type Session struct {
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ent.Schema
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}
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// Fields of the Session.
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func (Session) Fields() []ent.Field {
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return []ent.Field{
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field.Bytes("id").
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MaxLen(64).
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GoType(ID{}).
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DefaultFunc(NewID),
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}
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}
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// Edges of the Session.
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func (Session) Edges() []ent.Edge {
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return []ent.Edge{
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edge.From("device", Device.Type).
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Ref("sessions").
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Unique(),
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}
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}
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// Device holds the schema definition for the Device entity.
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type Device struct {
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ent.Schema
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}
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// Fields of the Device.
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func (Device) Fields() []ent.Field {
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return []ent.Field{
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field.Bytes("id").
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MaxLen(64).
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GoType(ID{}).
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DefaultFunc(NewID),
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}
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}
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// Edges of the Device.
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func (Device) Edges() []ent.Edge {
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return []ent.Edge{
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edge.To("active_session", Session.Type).
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Unique(),
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edge.To("sessions", Session.Type),
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}
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}
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type ID [64]byte
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func NewID() ID {
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var id [64]byte
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copy(id[:], uuid.NewString()+uuid.NewString()+uuid.NewString()+uuid.NewString())
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return id
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}
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func (i ID) String() string {
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return string(i[:])
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}
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func (i *ID) Scan(v any) error {
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switch v := v.(type) {
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case []byte:
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copy(i[:], v)
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case string:
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copy(i[:], v)
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default:
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return fmt.Errorf("unexpected type: %T", v)
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}
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return nil
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}
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func (i ID) Value() (driver.Value, error) {
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return string(i[:]), nil
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}
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