chore: send admin email on adding waitlist entry

go/internal/waitlist/service.go

@@ -3,8 +3,11 @@ package waitlist
 import (
 	"context"
 	"errors"
+	"fmt"
+	"log/slog"
 	"time"
 
+	pbaero "github.com/flowy-live/llink/genproto/aero"
 	"github.com/flowy-live/llink/internal/utils"
 	"github.com/jackc/pgx/v5/pgxpool"
 )
@@ -41,12 +44,14 @@ type Service interface {
 }
 
 type serviceImpl struct {
-	repo repository
+	repo    repository
+	aeroSvc pbaero.PrimaryClient
 }
 
-func NewService(pool *pgxpool.Pool) Service {
+func NewService(pool *pgxpool.Pool, aeroSvc pbaero.PrimaryClient) Service {
 	return &serviceImpl{
-		repo: newRepository(pool),
+		repo:    newRepository(pool),
+		aeroSvc: aeroSvc,
 	}
 }
 
@@ -68,6 +73,20 @@ func (s *serviceImpl) AddToWaitlist(ctx context.Context, email string, metadata
 		return err
 	}
 
+	message := fmt.Sprintf("New human added to the llink waitlist: %s", email)
+	_, err = s.aeroSvc.ShootEmail(context.Background(), &pbaero.ShootEmailRequest{
+		ToEmails: []string{"[email protected]"},
+		Subject:  "Flowy Llink - New Waitlist Subscriber",
+		TemplateData: &pbaero.ShootEmailRequest_GenericFlowyAdminAlertData{
+			GenericFlowyAdminAlertData: &pbaero.GenericFlowyAdminAlertData{
+				Message: message,
+			},
+		},
+	})
+	if err != nil {
+		slog.Error("failed to add to waitlist", "error", err, "email", email)
+	}
+
 	return nil
 }