Fix UpdateOrderParams for allow updating dollar amount values to zero

UpdateOrder.go

@@ -16,9 +16,9 @@ type UpdateOrderParams struct {
 	ToState         string          `json:"to_state,omitempty"`
 	ToCity          string          `json:"to_city,omitempty"`
 	ToStreet        string          `json:"to_street,omitempty"`
-	Amount          float64         `json:"amount,omitempty"`
-	Shipping        float64         `json:"shipping,omitempty"`
-	SalesTax        float64         `json:"sales_tax,omitempty"`
+	Amount          *float64        `json:"amount,omitempty"`
+	Shipping        *float64        `json:"shipping,omitempty"`
+	SalesTax        *float64        `json:"sales_tax,omitempty"`
 	CustomerID      string          `json:"customer_id,omitempty"`
 	ExemptionType   string          `json:"exemption_type,omitempty"`
 	LineItems       []OrderLineItem `json:"line_items,omitempty"`
@@ -54,3 +54,17 @@ func (client *Config) UpdateOrder(params UpdateOrderParams) (*UpdateOrderRespons
 
 	return order, nil
 }
+
+// Float64 returns a pointer to the float64 value passed in.
+func Float64(v float64) *float64 {
+	return &v
+}
+
+// Float64Value returns the value of the float64 pointer passed in or
+// 0 if the pointer is nil.
+func Float64Value(v *float64) float64 {
+	if v != nil {
+		return *v
+	}
+	return 0
+}

doc_test.go

@@ -104,9 +104,9 @@ func ExampleConfig_ListOrders() {
 func ExampleConfig_UpdateOrder() {
 	res, err := client.UpdateOrder(taxjar.UpdateOrderParams{
 		TransactionID: "13579-246810",
-		Amount:        152.72,
-		Shipping:      10,
-		SalesTax:      10.74,
+		Amount:        taxjar.Float64(152.72),
+		Shipping:      taxjar.Float64(10),
+		SalesTax:      taxjar.Float64(10.74),
 		LineItems: []taxjar.OrderLineItem{
 			{
 				ID:                "1",

example/example.go

@@ -89,9 +89,9 @@ func main() {
 
 	res5, err := client.UpdateOrder(taxjar.UpdateOrderParams{
 		TransactionID: "13579-246810",
-		Amount:        152.72,
-		Shipping:      10,
-		SalesTax:      10.74,
+		Amount:        taxjar.Float64(152.72),
+		Shipping:      taxjar.Float64(10),
+		SalesTax:      taxjar.Float64(10.74),
 		LineItems: []taxjar.OrderLineItem{
 			{
 				ID:                "1",

test/LiveToken_test.go

@@ -201,9 +201,9 @@ var _ = Describe("using a live/sandbox token", func() {
 		It("updates an order", func() {
 			res, err := client.UpdateOrder(taxjar.UpdateOrderParams{
 				TransactionID: "24",
-				Amount:        161,
-				Shipping:      5,
-				SalesTax:      10.3,
+				Amount:        taxjar.Float64(161),
+        Shipping:      taxjar.Float64(5),
+				SalesTax:      taxjar.Float64(10.3),
 				LineItems: []taxjar.OrderLineItem{
 					{
 						ID:                "1",

test/Methods_test.go

@@ -263,8 +263,8 @@ var _ = Describe("Method:", func() {
 			res, err := client.UpdateOrder(taxjar.UpdateOrderParams{
 
 				TransactionID: "24",
-				Amount:        161,
-				SalesTax:      10.3,
+				Amount:        taxjar.Float64(161),
+				SalesTax:      taxjar.Float64(10.3),
 				LineItems: []taxjar.OrderLineItem{
 					{
 						ID:                "1",

version.go

@@ -1,3 +1,3 @@
 package taxjar
 
-const version = "1.1.1"
+const version = "1.1.2"