more docs

src/errors.rs

@@ -1,9 +1,11 @@
+//! Errors created by this crate.
+
 use thiserror::Error;
 
+/// A enum that represents the possible errors.
 #[derive(Debug, Error)]
 pub enum Errors {
-    #[error("failed to get access token")]
-    GetAccessTokenFailure,
+    /// A error used when a api call fails.
     #[error("failure when calling the paypal api")]
     ApiCallFailure(String),
 }

src/lib.rs

@@ -1,3 +1,17 @@
+//! # paypal-rs 
+//! ![Rust](https://github.com/edg-l/paypal-rs/workflows/Rust/badge.svg)
+//! ![Docs](https://docs.rs/paypal-rs/badge.svg)
+//! 
+//! A rust library that wraps the [paypal api](https://developer.paypal.com/docs/api) asynchronously in a strongly typed manner.
+//! 
+//! Crate: https://crates.io/crates/paypal-rs
+//! 
+//! Documentation: https://docs.rs/paypal-rs
+//! 
+//! Currently in early development.
+
+#![warn(missing_docs)]
+
 #[cfg(test)]
 mod tests;
 
@@ -11,7 +25,9 @@ use reqwest::header::HeaderMap;
 use serde::{Deserialize, Serialize};
 use std::time::{Duration, Instant};
 
+/// The paypal api endpoint used on a live application.
 pub const LIVE_ENDPOINT: &str = "https://api.paypal.com";
+/// The paypal api endpoint used on when testing.
 pub const SANDBOX_ENDPOINT: &str = "https://api.sandbox.paypal.com";
 
 /// Represents the access token returned by the OAuth2 authentication.
@@ -104,6 +120,7 @@ pub struct Query {
     // TODO: Use https://github.com/samscott89/serde_qs
 }
 
+/// The preferred server response upon successful completion of the request.
 #[derive(Debug, Eq, PartialEq)]
 pub enum Prefer {
     /// The server returns a minimal response to optimize communication between the API caller and the server.

src/orders.rs

@@ -1,3 +1,9 @@
+//! An order represents a payment between two or more parties.
+//!
+//! Use the Orders API to create, update, retrieve, authorize, and capture orders. 
+//!
+//! Reference: https://developer.paypal.com/docs/api/orders/v2/
+
 use crate::errors;
 use serde::{Deserialize, Serialize};
 
@@ -38,6 +44,7 @@ pub struct PayerName {
 /// https://developer.paypal.com/docs/api/orders/v2/#definition-phone_with_type
 #[derive(Debug, Serialize, Deserialize, Eq, PartialEq)]
 #[serde(rename_all = "SCREAMING_SNAKE_CASE")]
+#[allow(missing_docs)]
 pub enum PhoneType {
     Fax,
     Home,
@@ -46,6 +53,7 @@ pub enum PhoneType {
     Pager,
 }
 
+/// The phone number, in its canonical international E.164 numbering plan format.
 #[derive(Debug, Serialize, Deserialize, Eq, PartialEq)]
 pub struct PhoneNumber {
     /// The national number, in its canonical international E.164 numbering plan format.
@@ -58,11 +66,14 @@ pub struct PhoneNumber {
 /// Contact Telephone Number option in the Profile & Settings for the merchant's PayPal account.
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Phone {
+    /// The phone type. 
     #[serde(skip_serializing_if = "Option::is_none")]
     pub phone_type: Option<PhoneType>,
+    /// The phone number
     pub phone_number: PhoneNumber,
 }
 
+/// The customer's tax ID type. Supported for the PayPal payment method only.
 #[derive(Debug, Serialize, Deserialize, Eq, PartialEq)]
 #[serde(rename_all = "SCREAMING_SNAKE_CASE")]
 #[allow(non_camel_case_types)]
@@ -73,6 +84,7 @@ pub enum TaxIdType {
     BR_CNPJ,
 }
 
+/// The tax information of the payer.
 #[derive(Debug, Serialize, Deserialize)]
 pub struct TaxInfo {
     /// The customer's tax ID. Supported for the PayPal payment method only.
@@ -82,6 +94,7 @@ pub struct TaxInfo {
     pub tax_id_type: TaxIdType,
 }
 
+/// The address of the payer.
 #[derive(Debug, Default, Serialize, Deserialize)]
 pub struct Address {
     /// The first line of the address. For example, number or street. For example, 173 Drury Lane.
@@ -134,6 +147,7 @@ pub struct Payer {
     pub address: Option<Address>,
 }
 
+/// Represents money
 #[derive(Debug, Serialize, Deserialize, Eq, PartialEq)]
 pub struct Money {
     /// The [three-character ISO-4217 currency code](https://developer.paypal.com/docs/integration/direct/rest/currency-codes/) that identifies the currency.
@@ -173,6 +187,7 @@ pub struct Breakdown {
     pub discount: Option<Money>,
 }
 
+/// Represents an amount of money.
 #[derive(Debug, Default, Serialize, Deserialize)]
 pub struct Amount {
     /// The [three-character ISO-4217 currency code](https://developer.paypal.com/docs/integration/direct/rest/currency-codes/) that identifies the currency.
@@ -232,6 +247,7 @@ impl Default for DisbursementMode {
     }
 }
 
+/// Any additional payment instructions for PayPal Commerce Platform customers. 
 #[derive(Debug, Default, Serialize, Deserialize)]
 pub struct PaymentInstruction {
     /// An array of various fees, commissions, tips, or donations.
@@ -242,6 +258,7 @@ pub struct PaymentInstruction {
     pub disbursement_mode: Option<DisbursementMode>,
 }
 
+/// The item category type.
 #[derive(Debug, Serialize, Deserialize, Eq, PartialEq)]
 #[serde(rename_all = "SCREAMING_SNAKE_CASE")]
 pub enum ItemCategoryType {
@@ -259,14 +276,18 @@ impl Default for ItemCategoryType {
     }
 }
 
+/// The name and address of the person to whom to ship the items.
 #[derive(Debug, Default, Serialize, Deserialize)]
 pub struct ShippingDetail {
+    /// The name of the person to whom to ship the items. Supports only the full_name property. 
     #[serde(skip_serializing_if = "Option::is_none")]
     pub name: Option<String>,
+    /// The address of the person to whom to ship the items. 
     #[serde(skip_serializing_if = "Option::is_none")]
     pub address: Option<Address>,
 }
 
+/// Represents an item.
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Item {
     /// The item name or title.
@@ -658,6 +679,7 @@ pub enum CardBrand {
 
 #[derive(Debug, Serialize, Deserialize, Eq, PartialEq)]
 #[serde(rename_all = "SCREAMING_SNAKE_CASE")]
+#[allow(missing_docs)]
 pub enum CardType {
     Credit,
     Debit,
@@ -704,6 +726,7 @@ pub enum OrderStatus {
 
 #[derive(Debug, Serialize, Deserialize, Eq, PartialEq)]
 #[serde(rename_all = "SCREAMING_SNAKE_CASE")]
+#[allow(missing_docs)]
 pub enum LinkMethod {
     Get,
     Post,