refactor: move push notification logic to pusnotif package

internal/pushnotif/types.go

@@ -0,0 +1,36 @@
+package pushnotif
+
+import (
+	"context"
+
+	"github.com/redis/go-redis/v9/internal/proto"
+)
+
+// Handler defines the interface for push notification handlers.
+type Handler interface {
+	// HandlePushNotification processes a push notification.
+	// Returns true if the notification was handled, false otherwise.
+	HandlePushNotification(ctx context.Context, notification []interface{}) bool
+}
+
+// ProcessorInterface defines the interface for push notification processors.
+type ProcessorInterface interface {
+	GetHandler(pushNotificationName string) Handler
+	ProcessPendingNotifications(ctx context.Context, rd *proto.Reader) error
+	RegisterHandler(pushNotificationName string, handler Handler, protected bool) error
+}
+
+// RegistryInterface defines the interface for push notification registries.
+type RegistryInterface interface {
+	RegisterHandler(pushNotificationName string, handler Handler, protected bool) error
+	UnregisterHandler(pushNotificationName string) error
+	GetHandler(pushNotificationName string) Handler
+	GetRegisteredPushNotificationNames() []string
+	HandleNotification(ctx context.Context, notification []interface{}) bool
+}
+
+// handlerEntry represents a registered handler with its protection status.
+type handlerEntry struct {
+	handler   Handler
+	protected bool
+}