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feat: wire persistent queue backend into API

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This commit is contained in:
Josh Creek
2026-08-31 22:17:32 +01:00
parent b2d68d93cf
commit 59cf29949f
4 changed files with 91 additions and 6 deletions
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server/api/service.go
+37 -5
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@@ -4,6 +4,7 @@
package api
import (
"context"
"encoding/json"
"errors"
"io"
@@ -22,11 +23,19 @@ type CandidateProvider func(playerID, ticketID string) (domain.Candidate, error)
type CandidateProviderV2 func(playerID, ticketID string, spec domain.QueueSpec) (domain.Candidate, error)
type ProbeProvider func(playerID, region string, opaqueLocation, nonce []byte, receivedAt time.Time) (domain.ProbeEvidence, []byte, error)
type QueueBackend interface {
Create(context.Context, string, string, string, domain.QueueSpec, time.Time) (domain.QueueTicket, error)
Heartbeat(context.Context, string, string, string, uint64, time.Time) (domain.QueueTicket, error)
Cancel(context.Context, string, string, string, uint64, time.Time) (domain.QueueTicket, error)
Get(context.Context, string, string, time.Time) (domain.QueueTicket, error)
}
type Service struct {
Sessions *domain.SessionStore
Queue *domain.Queue
Candidate CandidateProvider
CandidateV2 CandidateProviderV2
QueueBackend QueueBackend
Probe ProbeProvider
Now func() time.Time
Proposals map[string]*domain.Proposal
@@ -75,7 +84,7 @@ func (s *Service) queueCreate(w http.ResponseWriter, r *http.Request) {
if !ok {
return
}
if s.Queue == nil || (s.Candidate == nil && s.CandidateV2 == nil) {
if (s.Queue == nil && s.QueueBackend == nil) || (s.QueueBackend == nil && s.Candidate == nil && s.CandidateV2 == nil) {
writeError(w, http.StatusServiceUnavailable, "queue_unavailable")
return
}
@@ -94,6 +103,15 @@ func (s *Service) queueCreate(w http.ResponseWriter, r *http.Request) {
}
now := s.now()
spec := domain.QueueSpec{Playlist: domain.Playlist(input.Playlist), ClientBuild: input.ClientBuild, ProtocolVersion: input.ProtocolVersion}
if s.QueueBackend != nil {
ticket, err := s.QueueBackend.Create(r.Context(), playerID, input.TicketID, key, spec, now)
if err != nil {
writeDomainError(w, err)
return
}
writeJSON(w, http.StatusCreated, toQueueResponse(ticket))
return
}
var candidate domain.Candidate
var err error
if s.CandidateV2 != nil {
@@ -131,7 +149,7 @@ func (s *Service) queueMutation(w http.ResponseWriter, r *http.Request) {
if !ok {
return
}
if s.Queue == nil {
if s.Queue == nil && s.QueueBackend == nil {
writeError(w, http.StatusServiceUnavailable, "queue_unavailable")
return
}
@@ -141,7 +159,13 @@ func (s *Service) queueMutation(w http.ResponseWriter, r *http.Request) {
writeError(w, http.StatusNotFound, "not_found")
return
}
ticket, err := s.Queue.Get(playerID, parts[0], s.now())
var ticket domain.QueueTicket
var err error
if s.QueueBackend != nil {
ticket, err = s.QueueBackend.Get(r.Context(), playerID, parts[0], s.now())
} else {
ticket, err = s.Queue.Get(playerID, parts[0], s.now())
}
if err != nil {
writeDomainError(w, err)
return
@@ -166,9 +190,17 @@ func (s *Service) queueMutation(w http.ResponseWriter, r *http.Request) {
now := s.now()
var ticket domain.QueueTicket
if parts[1] == "heartbeat" {
ticket, err = s.Queue.Heartbeat(playerID, ticketID, key, revision, now)
if s.QueueBackend != nil {
ticket, err = s.QueueBackend.Heartbeat(r.Context(), playerID, ticketID, key, revision, now)
} else {
ticket, err = s.Queue.Heartbeat(playerID, ticketID, key, revision, now)
}
} else {
ticket, err = s.Queue.Cancel(playerID, ticketID, key, revision, now)
if s.QueueBackend != nil {
ticket, err = s.QueueBackend.Cancel(r.Context(), playerID, ticketID, key, revision, now)
} else {
ticket, err = s.Queue.Cancel(playerID, ticketID, key, revision, now)
}
}
if err != nil {
writeDomainError(w, err)