Add missing checkout line item properties

ShopifySharp/Entities/AppliedDiscount.cs

@@ -36,4 +36,4 @@ public class AppliedDiscount
         [JsonProperty("amount")]
         public decimal? Amount { get; set; }
     }
-}
+}

ShopifySharp/Entities/CheckoutLineItem.cs

@@ -1,4 +1,6 @@
 using Newtonsoft.Json;
+using System.Collections.Generic;
+using ShopifySharp.Converters;
 
 namespace ShopifySharp;
 
@@ -35,6 +37,12 @@ public class CheckoutLineItem
     [JsonProperty("grams")]
     public long? Grams { get; set; }
 
+    /// <summary>
+    /// The line price of the item, based on price multiplied by quantity.
+    /// </summary>
+    [JsonProperty("line_price")]
+    public decimal? LinePrice { get; set; }
+
     /// <summary>
     /// The price of the item before discounts have been applied.
     /// </summary>
@@ -149,6 +157,12 @@ public class CheckoutLineItem
     [JsonProperty("total_discount_set")]
     public PriceSet TotalDiscountSet { get; set; }
 
+    /// <summary>
+    /// A list of the discounts applied to the line item.
+    /// </summary>
+    [JsonProperty("applied_discounts")]
+    public ICollection<CheckoutLineItemAppliedDiscount> AppliedDiscounts { get; set; }
+
     /// <summary>
     /// An ordered list of amounts allocated by discount applications. Each discount allocation is associated to a particular discount application.
     /// </summary>

ShopifySharp/Entities/CheckoutLineItemAppliedDiscount.cs

@@ -0,0 +1,45 @@
+#nullable enable
+using Newtonsoft.Json;
+
+namespace ShopifySharp;
+
+public class CheckoutLineItemAppliedDiscount
+{
+    /// The amount that is deducted from payment_due in presentment currency.
+    [JsonProperty("amount")]
+    public decimal? Amount { get; set; }
+
+    /// Title of the discount.
+    [JsonProperty("title")]
+    public string? Title { get; set; }
+
+    /// Reason for the discount.
+    [JsonProperty("description")]
+    public string? Description { get; set; }
+
+    /// Whether this discount code can be applied to the checkout.
+    [JsonProperty("applicable")]
+    public bool? Applicable { get; set; }
+
+    /// Describes how the discount was applied to the checkout. Possible values:
+    /// <list>
+    /// <item>automatic: The discount was applied automatically.</item>
+    /// <item>discount_code: The merchant or customer entered a discount code.</item>
+    /// <item>manual: The discount was applied manually by the merchant or an app.</item>
+    /// <item>script: The discount was applied by a Shopify Script.</item>
+    /// </list>
+    [JsonProperty("application_type")]
+    public string? ApplicationType { get; set; }
+
+    /// The reason why the discount is not applicable, if the discount cannot be applied to the checkout.
+    [JsonProperty("non_applicable_reason")]
+    public string? NonApplicableReason { get; set; }
+
+    /// The value that was used to calculate the final applied discount amount.
+    [JsonProperty("value")]
+    public string? Value { get; set; }
+
+    /// The type of value that was used to calculate the final applied discount amount. Valid values: `fixed_amount` and `percentage`.
+    [JsonProperty("value_type")]
+    public string? ValueType { get; set; }
+}