fix #1

examples/invoice.rs

@@ -1,4 +1,4 @@
-use paypal_rs::{common::*, errors::*, invoice::*, Client, HeaderParams, Prefer};
+use paypal_rs::{common::*, errors::*, invoice::*, Client, HeaderParams};
 
 #[tokio::main]
 async fn main() -> Result<(), ResponseError> {

src/common.rs

@@ -61,7 +61,7 @@ pub struct Address {
 }
 
 /// Represents money
-#[derive(Debug, Serialize, Deserialize, Eq, PartialEq)]
+#[derive(Debug, Serialize, Deserialize, Eq, PartialEq, Clone)]
 pub struct Money {
     /// The [three-character ISO-4217 currency code](https://developer.paypal.com/docs/integration/direct/rest/currency-codes/) that identifies the currency.
     pub currency_code: Currency,
@@ -73,7 +73,7 @@ pub struct Money {
     pub value: String,
 }
 
-#[derive(Debug, Serialize, Deserialize, Eq, PartialEq)]
+#[derive(Debug, Serialize, Deserialize, Eq, PartialEq, Clone, Copy)]
 #[serde(rename_all = "SCREAMING_SNAKE_CASE")]
 #[allow(missing_docs)]
 pub enum LinkMethod {
@@ -89,7 +89,7 @@ pub enum LinkMethod {
 
 /// A HTOAES link
 #[skip_serializing_none]
-#[derive(Debug, Default, Serialize, Deserialize)]
+#[derive(Debug, Default, Serialize, Deserialize, Clone)]
 pub struct LinkDescription {
     /// The complete target URL.
     pub href: String,
@@ -100,7 +100,7 @@ pub struct LinkDescription {
 }
 
 /// ISO-4217 currency codes.
-#[derive(Debug, Serialize, Deserialize, PartialEq, Eq)]
+#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, Clone, Copy)]
 pub enum Currency {
     /// Australian dollar
     AUD,

src/invoice.rs

@@ -108,7 +108,7 @@ pub struct Metadata {
 
 /// The details of the invoice. Includes the invoice number, date, payment terms, and audit metadata.
 #[skip_serializing_none]
-#[derive(Debug, Serialize, Deserialize)]
+#[derive(Debug, Serialize, Deserialize, Default)]
 pub struct InvoiceDetail {
     /// The reference data. Includes a post office (PO) number.
     pub reference: Option<String>,
@@ -521,7 +521,7 @@ pub enum Status {
 
 /// An invoice payload
 #[skip_serializing_none]
-#[derive(Debug, Serialize, Deserialize)]
+#[derive(Debug, Serialize, Deserialize, Default)]
 pub struct InvoicePayload {
     /// The details of the invoice. Includes the invoice number, date, payment terms, and audit metadata.
     pub detail: InvoiceDetail,

src/orders.rs

@@ -339,12 +339,13 @@ pub enum CaptureStatusDetails {
 }
 
 /// A captured payment.
+#[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Eq, PartialEq)]
 pub struct Capture {
     /// The status of the captured payment.
     pub status: CaptureStatus,
     /// The details of the captured payment status.
-    pub status_details: CaptureStatusDetails,
+    pub status_details: Option<CaptureStatusDetails>,
 }
 
 /// The status of the refund
@@ -380,10 +381,13 @@ pub struct Refund {
 #[derive(Debug, Serialize, Deserialize)]
 pub struct PaymentCollection {
     /// An array of authorized payments for a purchase unit. A purchase unit can have zero or more authorized payments.
+    #[serde(default)]
     pub authorizations: Vec<AuthorizationWithData>,
     /// An array of captured payments for a purchase unit. A purchase unit can have zero or more captured payments.
+    #[serde(default)]
     pub captures: Vec<Capture>,
     /// An array of refunds for a purchase unit. A purchase unit can have zero or more refunds.
+    #[serde(default)]
     pub refunds: Vec<Refund>,
 }