feat(cmd/api): adding number of transactions to be displayed as optional parameter

api.go

@@ -334,15 +334,17 @@ func (auth *Client) GetContacts(retType string) (string, *Contacts) {
 	return "", contacts
 }
 
-func (auth *Client) GetLastTransactions() (*Transactions, error) {
-	return auth.GetTransactions(TimeStamp{}, TimeStamp{})
+func (auth *Client) GetLastTransactions(limit string) (*Transactions, error) {
+	return auth.GetTransactions(TimeStamp{}, TimeStamp{}, limit)
 }
 
 // Get transactions for the given time window.
 // Use the zero values for the time stamps if no restrictions are
 // desired (use the defaults on the server)
-func (auth *Client) GetTransactions(from, to TimeStamp) (*Transactions, error) {
-	params := map[string]string{}
+func (auth *Client) GetTransactions(from, to TimeStamp, limit string) (*Transactions, error) {
+	params := map[string]string{
+		"limit": limit,
+	}
 	//Filter is applied only if both values are set
 	if !from.IsZero() && !to.IsZero() {
 		params["from"] = fmt.Sprint(from.AsMillis())

cmd/n26/n26.go

@@ -15,7 +15,7 @@ import (
 )
 
 const (
-	appVersion = "1.4.3"
+	appVersion = "1.4.4"
 )
 
 func check(e error) {
@@ -231,6 +231,7 @@ func main() {
 			Usage:     "list your past transactions. Supports CSV output",
 			ArgsUsage: "[csv|json|table]",
 			Flags: []cli.Flag{
+				cli.StringFlag{Name: "limit", Value: "10", Usage: "retrieve last N transactions. Default to 10."},
 				cli.StringFlag{Name: "from", Usage: "retrieve transactions from this date. " +
 					"Also 'to' flag needs to be set. Calendar date in the format yyyy-mm-dd. E.g. 2018-03-01"},
 				cli.StringFlag{Name: "to", Usage: "retrieve transactions until this date. " +
@@ -242,16 +243,17 @@ func main() {
 				check(err)
 				writer, err := getTransactionWriter(c.Args().First())
 				check(err)
+				limit := c.String("limit")
 				var transactions *n26.Transactions
 				if c.IsSet("from") && c.IsSet("to") {
 					var from, to n26.TimeStamp
 					from.Time, err = time.Parse(dateFormat, c.String("from"))
 					check(err)
 					to.Time, err = time.Parse(dateFormat, c.String("to"))
 					check(err)
-					transactions, err = API.GetTransactions(from, to)
+					transactions, err = API.GetTransactions(from, to, limit)
 				} else {
-					transactions, err = API.GetLastTransactions()
+					transactions, err = API.GetLastTransactions(limit)
 				}
 				check(err)