75 lines
1.4 KiB
Go
75 lines
1.4 KiB
Go
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package domain
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import (
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"context"
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"crypto/sha256"
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"fmt"
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"log"
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"strings"
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"github.com/keys-pub/keys"
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"github.com/oklog/ulid/v2"
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"github.com/sour-is/ev/pkg/es/event"
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)
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func Init(ctx context.Context) error {
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return event.Register(ctx, &UserRegistered{})
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}
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type SaltyUser struct {
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Name string
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Pubkey *keys.EdX25519PublicKey
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Inbox ulid.ULID
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event.AggregateRoot
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}
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var _ event.Aggregate = (*SaltyUser)(nil)
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// ApplyEvent applies the event to the aggrigate state
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func (a *SaltyUser) ApplyEvent(lis ...event.Event) {
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for _, e := range lis {
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switch e := e.(type) {
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case *UserRegistered:
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a.Name = e.Name
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a.Pubkey = e.Pubkey
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a.Inbox = e.EventMeta().EventID
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a.SetStreamID(a.streamID())
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default:
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log.Printf("unknown event %T", e)
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}
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}
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}
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func (a *SaltyUser) streamID() string {
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return fmt.Sprintf("saltyuser-%x", sha256.Sum256([]byte(strings.ToLower(a.Name))))
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}
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func (a *SaltyUser) OnUserRegister(name string, pubkey *keys.EdX25519PublicKey) error {
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event.Raise(a, &UserRegistered{Name: name, Pubkey: pubkey})
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return nil
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}
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type UserRegistered struct {
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Name string
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Pubkey *keys.EdX25519PublicKey
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Endpoint ulid.ULID
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eventMeta event.Meta
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}
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var _ event.Event = (*UserRegistered)(nil)
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func (e *UserRegistered) EventMeta() event.Meta {
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if e == nil {
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return event.Meta{}
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}
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return e.eventMeta
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}
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func (e *UserRegistered) SetEventMeta(m event.Meta) {
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if e != nil {
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e.eventMeta = m
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}
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}
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