first commit

internal/dm/service.go

@@ -0,0 +1,35 @@
+package dm
+
+import (
+	"context"
+
+	"github.com/noderunners/nip05api/internal/messages"
+)
+
+type Service struct {
+	repo      *Repo
+	templates *messages.Templates
+	enabled   bool
+}
+
+func NewService(repo *Repo, t *messages.Templates, enabled bool) *Service {
+	return &Service{repo: repo, templates: t, enabled: enabled}
+}
+
+func (s *Service) Enabled() bool { return s.enabled }
+
+// Send renders the template for the given event and enqueues a DM. Empty rendered
+// content short-circuits and returns nil.
+func (s *Service) Send(ctx context.Context, event EventType, pubkey string, vars map[string]string) error {
+	if !s.enabled {
+		return nil
+	}
+	content, err := s.templates.Render(string(event), vars)
+	if err != nil {
+		return err
+	}
+	if content == "" {
+		return nil
+	}
+	return s.repo.Insert(ctx, event, pubkey, content)
+}