fix(nordigen): skip account on rate limit exceeded

Crude way to fail gracefully when the rate limit is exceeded.

Ref: #76

commit-id:25e9d0c8

reader/nordigen/nordigen.go

@@ -1,6 +1,7 @@
 package nordigen
 
 import (
+ "errors"
  "fmt"
  "log/slog"
  "regexp"
@@ -10,6 +11,8 @@ import (
  "github.com/martinohansen/ynabber"
 )
 
+const rateLimitExceededStatusCode = 429
+
 type Reader struct {
  Config *ynabber.Config
  Client *nordigen.Client
@@ -75,13 +78,13 @@ func (r Reader) Bulk() (t []ynabber.Transaction, err error) {
  return nil, fmt.Errorf("failed to authorize: %w", err)
  }
 
- r.logger.Info("bulk reading", "accounts", len(req.Accounts))
+ r.logger.Info("", "accounts", len(req.Accounts))
  for _, account := range req.Accounts {
- logger := r.logger.With("account", account)
  accountMetadata, err := r.Client.GetAccountMetadata(account)
  if err != nil {
  return nil, fmt.Errorf("failed to get account metadata: %w", err)
  }
+ logger := r.logger.With("iban", accountMetadata.Iban)
 
  // Handle expired, or suspended accounts by recreating the
  // requisition.
@@ -100,6 +103,11 @@ func (r Reader) Bulk() (t []ynabber.Transaction, err error) {
  logger.Info("reading transactions")
  transactions, err := r.Client.GetAccountTransactions(string(account.ID))
  if err != nil {
+ var apiErr *nordigen.APIError
+ if errors.As(err, &apiErr) && apiErr.StatusCode == rateLimitExceededStatusCode {
+ logger.Warn("rate limit exceeded, skipping account")
+ continue
+ }
  return nil, fmt.Errorf("failed to get transactions: %w", err)
  }