callbacks service draft

api/edge/callbacks/internal/ingest/module.go

@@ -0,0 +1,51 @@
+package ingest
+
+import (
+	"context"
+	"time"
+
+	"github.com/nats-io/nats.go"
+	"github.com/tech/sendico/edge/callbacks/internal/events"
+	"github.com/tech/sendico/edge/callbacks/internal/storage"
+	"github.com/tech/sendico/edge/callbacks/internal/subscriptions"
+	"github.com/tech/sendico/pkg/mlogger"
+)
+
+// Observer captures ingest metrics.
+type Observer interface {
+	ObserveIngest(result string, duration time.Duration)
+}
+
+// Config contains JetStream ingest settings.
+type Config struct {
+	Stream       string
+	Subject      string
+	Durable      string
+	BatchSize    int
+	FetchTimeout time.Duration
+	IdleSleep    time.Duration
+}
+
+// Dependencies configure the ingest service.
+type Dependencies struct {
+	Logger       mlogger.Logger
+	JetStream    nats.JetStreamContext
+	Config       Config
+	Events       events.Service
+	Resolver     subscriptions.Resolver
+	InboxRepo    storage.InboxRepo
+	TaskRepo     storage.TaskRepo
+	TaskDefaults storage.TaskDefaults
+	Observer     Observer
+}
+
+// Service runs JetStream ingest workers.
+type Service interface {
+	Start(ctx context.Context)
+	Stop()
+}
+
+// New creates ingest service.
+func New(deps Dependencies) (Service, error) {
+	return newService(deps)
+}