Further scaffolding

core/data/ingress.go

@@ -0,0 +1,34 @@
+package data
+
+import (
+	"context"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+type Ingress interface {
+	Name() string
+	Configure(cfg map[string]any) error
+	Connect(ctx context.Context, actions IngressActions) error
+	Disconnect(ctx context.Context) error
+}
+
+type IngressActions interface {
+	Emit(namespace string, id uuid.UUID, envelope Envelope) error
+	EmitBatch(namespace string, id uuid.UUID, envelopes []Envelope) error
+}
+
+type LiveIngress interface {
+	Subscribe(ctx context.Context, key ...string) error
+	Unsubscribe(ctx context.Context, key ...string) error
+	ListAvailableKeys(ctx context.Context) []string
+	IsValidKey(ctx context.Context, key string) bool
+}
+
+type HistoricalIngress interface {
+	Fetch(ctx context.Context, key string, start time.Time, end time.Time) ([]Envelope, error)
+	ListAvailableKeys(ctx context.Context) []string
+	IsValidKey(ctx context.Context, key string) bool
+	// some other method that gives the avalible time period for a key
+}