feat(invoice): add send route

internal/api/httpinvoce/resource.go

@@ -0,0 +1,29 @@
+package httpinvoce
+
+import (
+	"io"
+	"log/slog"
+	"time"
+
+	"git.schreifuchs.ch/lou-taylor/accounting/internal/email"
+	"git.schreifuchs.ch/lou-taylor/accounting/pkg/invoice"
+	"git.schreifuchs.ch/lou-taylor/accounting/pkg/invoice/model"
+)
+
+type Service struct {
+	log     *slog.Logger
+	invoice invoicer
+	mail    mailer
+}
+
+func New(log *slog.Logger, invoice invoicer, mail mailer) *Service {
+	return &Service{log: log, invoice: invoice, mail: mail}
+}
+
+type invoicer interface {
+	Generate(creditor, deptor model.Entity, mindur time.Duration, rate float64, repos []invoice.Repo) (document io.ReadCloser, err error)
+}
+
+type mailer interface {
+	Send(m email.Mail) (err error)
+}