Add support for Checkout Session

src/Stripe.net/Entities/Checkout/Sessions/Session.cs

@@ -0,0 +1,93 @@
+namespace Stripe.Checkout
+{
+    using System;
+    using System.Collections.Generic;
+    using Newtonsoft.Json;
+    using Stripe.Infrastructure;
+
+    public class Session : StripeEntity, IHasId, IHasObject
+    {
+        /// <summary>
+        /// Unique identifier for the object.
+        /// </summary>
+        [JsonProperty("id")]
+        public string Id { get; set; }
+
+        /// <summary>
+        /// String representing the object’s type. Objects of the same type share the same value.
+        /// </summary>
+        [JsonProperty("object")]
+        public string Object { get; set; }
+
+        /// <summary>
+        /// The URL the customer will be directed to if they decide to go back to your website.
+        /// </summary>
+        [JsonProperty("cancel_url")]
+        public string CancelUrl { get; set; }
+
+        /// <summary>
+        /// A unique string to reference the Checkout Session. This can be a customer ID, a cart
+        /// ID, or similar. It is included in the <c>checkout.session.completed</c> webhook and can
+        /// be used to fulfill the purchase.
+        /// </summary>
+        [JsonProperty("client_reference_id")]
+        public string ClientReferenceId { get; set; }
+
+        /// <summary>
+        /// The ID of the customer created.
+        /// </summary>
+        [JsonProperty("customer")]
+        public string CustomerId { get; set; }
+
+        /// <summary>
+        /// The line items, plans, or SKUs that were purchased by the customer.
+        /// </summary>
+        [JsonProperty("display_items")]
+        public List<SessionDisplayItem> DisplayItems { get; set; }
+
+        /// <summary>
+        /// The email address used to create the customer object.
+        /// </summary>
+        [JsonProperty("customer_email")]
+        public string CustomerEmail { get; set; }
+
+        /// <summary>
+        /// Has the value <c>true</c> if the object exists in live mode or the value
+        /// <c>false</c> if the object exists in test mode.
+        /// </summary>
+        [JsonProperty("livemode")]
+        public bool Livemode { get; set; }
+
+        /// <summary>
+        /// The IETF language tag of the locale Checkout is displayed in. If blank or <c>auto</c>,
+        /// the browser’s locale is used.
+        /// </summary>
+        [JsonProperty("locale")]
+        public string Locale { get; set; }
+
+        /// <summary>
+        /// The ID of the PaymentIntent created if SKUs or line items were provided.
+        /// </summary>
+        [JsonProperty("payment_intent")]
+        public string PaymentIntentId { get; set; }
+
+        /// <summary>
+        /// The list of payment method types (e.g. card) that this Checkout Session is allowed to
+        /// use.
+        /// </summary>
+        [JsonProperty("payment_method_types")]
+        public List<string> PaymentMethodTypes { get; set; }
+
+        /// <summary>
+        /// The ID of the subscription created if one or more plans were provided.
+        /// </summary>
+        [JsonProperty("subscription")]
+        public string SubscriptionId { get; set; }
+
+        /// <summary>
+        /// The URL the customer will be directed to after a successful payment.
+        /// </summary>
+        [JsonProperty("success_url")]
+        public string SuccessUrl { get; set; }
+    }
+}

src/Stripe.net/Entities/Checkout/Sessions/SessionDisplayItem.cs

@@ -0,0 +1,49 @@
+namespace Stripe
+{
+    using Newtonsoft.Json;
+
+    public class SessionDisplayItem : StripeEntity
+    {
+        /// <summary>
+        /// Amount for the display item.
+        /// </summary>
+        [JsonProperty("amount")]
+        public long? Amount { get; set; }
+
+        /// <summary>
+        /// Three-letter ISO currency code, in lowercase. Must be a supported currency.
+        /// </summary>
+        [JsonProperty("currency")]
+        public string Currency { get; set; }
+
+        /// <summary>
+        /// Details about the display item if it's of type custom.
+        /// </summary>
+        [JsonProperty("custom")]
+        public SessionDisplayItemCustom Custom { get; set; }
+
+        /// <summary>
+        /// The Plan if the display item is of type plan.
+        /// </summary>
+        [JsonProperty("plan")]
+        public Plan Plan { get; set; }
+
+        /// <summary>
+        /// Quantity of the display item being purchased.
+        /// </summary>
+        [JsonProperty("quantity")]
+        public long? Quantity { get; set; }
+
+        /// <summary>
+        /// The Sku if the display item is of type sku.
+        /// </summary>
+        [JsonProperty("sku")]
+        public Sku Sku { get; set; }
+
+        /// <summary>
+        /// The type of display item.
+        /// </summary>
+        [JsonProperty("type")]
+        public string Type { get; set; }
+    }
+}

src/Stripe.net/Entities/Checkout/Sessions/SessionDisplayItemCustom.cs

@@ -0,0 +1,26 @@
+namespace Stripe
+{
+    using System.Collections.Generic;
+    using Newtonsoft.Json;
+
+    public class SessionDisplayItemCustom : StripeEntity
+    {
+        /// <summary>
+        /// The description of the line item.
+        /// </summary>
+        [JsonProperty("description")]
+        public string Description { get; set; }
+
+        /// <summary>
+        /// The images of the line item.
+        /// </summary>
+        [JsonProperty("images")]
+        public List<string> Images { get; set; }
+
+        /// <summary>
+        /// The name of the line item.
+        /// </summary>
+        [JsonProperty("name")]
+        public string Name { get; set; }
+    }
+}

src/Stripe.net/Infrastructure/StripeTypeRegistry.cs

@@ -23,6 +23,7 @@ internal static class StripeTypeRegistry
             { "bank_account", typeof(BankAccount) },
             { "card", typeof(Card) },
             { "charge", typeof(Charge) },
+            { "checkout/session", typeof(Checkout.Session) },
             { "country_spec", typeof(CountrySpec) },
             { "coupon", typeof(Coupon) },
             { "customer", typeof(Customer) },

src/Stripe.net/Services/Checkout/SessionCreateOptions.cs

@@ -0,0 +1,86 @@
+namespace Stripe.Checkout
+{
+    using System;
+    using System.Collections.Generic;
+    using Newtonsoft.Json;
+    using Stripe.Infrastructure;
+
+    public class SessionCreateOptions : BaseOptions
+    {
+        /// <summary>
+        /// The URL the customer will be directed to if they decide to go back to your website.
+        /// </summary>
+        [JsonProperty("cancel_url")]
+        public string CancelUrl { get; set; }
+
+        /// <summary>
+        /// Specify whether Checkout should collect the customer’s billing address. If set to
+        /// <c>required</c>, Checkout will always collect the customer’s billing address. If left
+        /// blank or set to <c>auto</c> Checkout will only collect the billing address when
+        /// necessary.
+        /// </summary>
+        [JsonProperty("billing_address_collection")]
+        public string BillingAddressCollection { get; set; }
+
+        /// <summary>
+        /// A unique string to reference the Checkout Session. This can be a customer ID, a cart
+        /// ID, or similar. It is included in the <c>checkout.session.completed</c> webhook and can
+        /// be used to fulfill the purchase.
+        /// </summary>
+        [JsonProperty("client_reference_id")]
+        public string ClientReferenceId { get; set; }
+
+        /// <summary>
+        /// ID of the customer this Checkout Session is for if one exists. May only be used with
+        /// <c>LineItems</c>. Usage with <c>SubscriptionData</c> is not yet available.
+        /// </summary>
+        [JsonProperty("customer")]
+        public string CustomerId { get; set; }
+
+        /// <summary>
+        /// The email address used to create the customer object. If you already know your
+        /// customer’s email address, use this attribute to prefill it on Checkout.
+        /// </summary>
+        [JsonProperty("customer_email")]
+        public string CustomerEmail { get; set; }
+
+        /// <summary>
+        /// A list of items your customer is purchasing.
+        /// </summary>
+        [JsonProperty("line_items")]
+        public List<SessionLineItemOptions> LineItems { get; set; }
+
+        /// <summary>
+        /// The IETF language tag of the locale Checkout is displayed in. If blank or <c>auto</c>,
+        /// the browser’s locale is used.
+        /// </summary>
+        [JsonProperty("locale")]
+        public string Locale { get; set; }
+
+        /// <summary>
+        /// The list of payment method types (e.g. card) that this Checkout Session is allowed to
+        /// use.
+        /// </summary>
+        [JsonProperty("payment_intent_data")]
+        public SessionPaymentIntentDataOptions PaymentIntentData { get; set; }
+
+        /// <summary>
+        /// The list of payment method types (e.g. card) that this Checkout Session is allowed to
+        /// use.
+        /// </summary>
+        [JsonProperty("payment_method_types")]
+        public List<string> PaymentMethodTypes { get; set; }
+
+        /// <summary>
+        /// A subset of parameters to be passed to subscription creation.
+        /// </summary>
+        [JsonProperty("subscription_data")]
+        public SessionSubscriptionDataOptions SubscriptionData { get; set; }
+
+        /// <summary>
+        /// The URL the customer will be directed to after a successful payment.
+        /// </summary>
+        [JsonProperty("success_url")]
+        public string SuccessUrl { get; set; }
+    }
+}

src/Stripe.net/Services/Checkout/SessionLineItemOptions.cs

@@ -0,0 +1,44 @@
+namespace Stripe.Checkout
+{
+    using System.Collections.Generic;
+    using Newtonsoft.Json;
+
+    public class SessionLineItemOptions : INestedOptions
+    {
+        /// <summary>
+        /// Per item amount to be collected
+        /// </summary>
+        [JsonProperty("amount")]
+        public long? Amount { get; set; }
+
+        /// <summary>
+        /// Three-letter ISO currency code, in lowercase. Must be a supported currency.
+        /// </summary>
+        [JsonProperty("currency")]
+        public string Currency { get; set; }
+
+        /// <summary>
+        /// The description for the line item.
+        /// </summary>
+        [JsonProperty("description")]
+        public string Description { get; set; }
+
+        /// <summary>
+        /// A list of images representing this line item.
+        /// </summary>
+        [JsonProperty("images")]
+        public List<string> Images { get; set; }
+
+        /// <summary>
+        /// The name for the line item.
+        /// </summary>
+        [JsonProperty("name")]
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Quantity of the line item being purchased.
+        /// </summary>
+        [JsonProperty("quantity")]
+        public long? Quantity { get; set; }
+    }
+}

src/Stripe.net/Services/Checkout/SessionPaymentIntentDataOptions.cs

@@ -0,0 +1,65 @@
+namespace Stripe.Checkout
+{
+    using System.Collections.Generic;
+    using Newtonsoft.Json;
+
+    public class SessionPaymentIntentDataOptions : INestedOptions
+    {
+        /// <summary>
+        /// The amount of the application fee (if any) that will be applied to the payment and
+        /// transferred to the application owner’s Stripe account.
+        /// </summary>
+        [JsonProperty("application_fee_amount")]
+        public long? ApplicationFeeAmount { get; set; }
+
+        /// <summary>
+        /// Capture method of this PaymentIntent, one of <c>automatic</c> or <c>manual</c>.
+        /// </summary>
+        [JsonProperty("capture_method")]
+        public string CaptureMethod { get; set; }
+
+        /// <summary>
+        /// An arbitrary string attached to the object. Often useful for displaying to users.
+        /// </summary>
+        [JsonProperty("description")]
+        public string Description { get; set; }
+
+        /// <summary>
+        /// Set of key-value pairs that you can attach to an object. This can be useful for storing
+        /// additional information about the object in a structured format.
+        /// </summary>
+        [JsonProperty("metadata")]
+        public Dictionary<string, string> Metadata { get; set; }
+
+        /// <summary>
+        /// The Stripe account ID for which these funds are intended.
+        /// </summary>
+        [JsonProperty("on_behalf_of")]
+        public string OnBehalfOf { get; set; }
+
+        /// <summary>
+        /// Email address that the receipt for the resulting payment will be sent to.
+        /// </summary>
+        [JsonProperty("receipt_email")]
+        public string ReceiptEmail { get; set; }
+
+        /// <summary>
+        /// Shipping information for this payment.
+        /// </summary>
+        [JsonProperty("shipping")]
+        public ChargeShippingOptions Shipping { get; set; }
+
+        /// <summary>
+        /// Extra information about the payment. This will appear on your customer’s statement when
+        /// this payment succeeds in creating a charge.
+        /// </summary>
+        [JsonProperty("statement_descriptor")]
+        public string StatementDescriptor { get; set; }
+
+        /// <summary>
+        /// The parameters used to automatically create a Transfer when the payment succeeds.
+        /// </summary>
+        [JsonProperty("transfer_data")]
+        public SessionPaymentIntentTransferDataOptions TransferData { get; set; }
+    }
+}

src/Stripe.net/Services/Checkout/SessionPaymentIntentTransferDataOptions.cs

@@ -0,0 +1,11 @@
+namespace Stripe
+{
+    using System;
+    using Newtonsoft.Json;
+
+    public class SessionPaymentIntentTransferDataOptions : INestedOptions
+    {
+        [JsonProperty("destination")]
+        public string Destination { get; set; }
+    }
+}