Plan Serialization (#19820)

* Plan Serialization

* Divide Plan class

* Update Plan

sdk/resourcemanager/Azure.ResourceManager.Core/src/Resources/Plan.Serialization.cs

@@ -0,0 +1,97 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System;
+using System.Text.Json;
+using Azure.Core;
+
+namespace Azure.ResourceManager.Core
+{
+    /// <summary>
+    /// Representation of a publisher plan for marketplace RPs.
+    /// </summary>
+    public sealed partial class Plan : IUtf8JsonSerializable
+    {
+        /// <summary>
+        /// Serialize the input Plan object.
+        /// </summary>
+        /// <param name="writer"> Input Json writer. </param>
+        void IUtf8JsonSerializable.Write(Utf8JsonWriter writer)
+        {
+            if (writer is null)
+            {
+                throw new ArgumentNullException(nameof(writer));
+            }
+
+            writer.WriteStartObject();
+            if (Optional.IsDefined(Name))
+            {
+                writer.WritePropertyName("name");
+                writer.WriteStringValue(Name);
+            }
+            if (Optional.IsDefined(Publisher))
+            {
+                writer.WritePropertyName("publisher");
+                writer.WriteStringValue(Publisher);
+            }
+            if (Optional.IsDefined(Product))
+            {
+                writer.WritePropertyName("product");
+                writer.WriteStringValue(Product);
+            }
+            if (Optional.IsDefined(PromotionCode))
+            {
+                writer.WritePropertyName("promotionCode");
+                writer.WriteStringValue(PromotionCode);
+            }
+            if (Optional.IsDefined(Version))
+            {
+                writer.WritePropertyName("version");
+                writer.WriteStringValue(Version);
+            }
+            writer.WriteEndObject();
+        }
+
+        /// <summary>
+        /// Deserialize the input Json object.
+        /// </summary>
+        /// <param name="element"> The Json object need to be deserialized. </param>
+        internal static Plan DeserializePlan(JsonElement element)
+        {
+            Optional<string> name = default;
+            Optional<string> publisher = default;
+            Optional<string> product = default;
+            Optional<string> promotionCode = default;
+            Optional<string> version = default;
+            foreach (var property in element.EnumerateObject())
+            {
+                if (property.NameEquals("name"))
+                {
+                    name = property.Value.GetString();
+                    continue;
+                }
+                if (property.NameEquals("publisher"))
+                {
+                    publisher = property.Value.GetString();
+                    continue;
+                }
+                if (property.NameEquals("product"))
+                {
+                    product = property.Value.GetString();
+                    continue;
+                }
+                if (property.NameEquals("promotionCode"))
+                {
+                    promotionCode = property.Value.GetString();
+                    continue;
+                }
+                if (property.NameEquals("version"))
+                {
+                    version = property.Value.GetString();
+                    continue;
+                }
+            }
+            return new Plan(name.Value, publisher.Value, product.Value, promotionCode.Value, version.Value);
+        }
+    }
+}

sdk/resourcemanager/Azure.ResourceManager.Core/src/Resources/Plan.cs

@@ -8,7 +8,7 @@ namespace Azure.ResourceManager.Core
     /// <summary>
     /// Representation of a publisher plan for marketplace RPs.
     /// </summary>
-    public sealed class Plan : IEquatable<Plan>, IComparable<Plan>
+    public sealed partial class Plan : IEquatable<Plan>, IComparable<Plan>
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="Plan"/> class.

sdk/resourcemanager/Azure.ResourceManager.Core/tests/Unit/PlanTests.cs

@@ -1,4 +1,8 @@
-using NUnit.Framework;
+using System.IO;
+using System.Text;
+using System.Text.Json;
+using Azure.Core;
+using NUnit.Framework;
 
 namespace Azure.ResourceManager.Core.Tests
 {
@@ -229,5 +233,56 @@ public void EqualsToSamePlans()
             Plan plan2 = plan1;
             Assert.IsTrue(plan1.Equals(plan2));
         }
+
+        [Test]
+        public void SerializationTest()
+        {
+            string expected = "{\"properties\":{\"name\":\"NameForPlan\",\"publisher\":\"PublisherForPlan\",\"product\":\"ProductForPlan\",\"promotionCode\":\"PromotionCodeForPlan\",\"version\":\"VersionForPlan\"}}";
+            Plan plan = new("NameForPlan", "PublisherForPlan", "ProductForPlan", "PromotionCodeForPlan", "VersionForPlan");
+            var stream = new MemoryStream();
+            Utf8JsonWriter writer = new(stream, new JsonWriterOptions());
+            writer.WriteStartObject();
+            writer.WritePropertyName("properties");
+            writer.WriteObjectValue(plan);
+            writer.WriteEndObject();
+            writer.Flush();
+            string json = Encoding.UTF8.GetString(stream.ToArray());
+            Assert.IsTrue(expected.Equals(json));
+        }
+
+        [Test]
+        public void InvalidSerializationTest()
+        {
+            Plan plan = new(null, null, null, null, null);
+            var stream = new MemoryStream();
+            Utf8JsonWriter writer = new(stream, new JsonWriterOptions());
+            writer.WriteStartObject();
+            writer.WritePropertyName("properties");
+            writer.WriteObjectValue(plan);
+            writer.WriteEndObject();
+            writer.Flush();
+            string json = Encoding.UTF8.GetString(stream.ToArray());
+            Assert.IsTrue(json.Equals("{\"properties\":{}}"));
+        }
+
+        [Test]
+        public void DeserializationTest()
+        {
+            string json = "{\"name\":\"NameForPlan\",\"publisher\":\"PublisherForPlan\",\"product\":\"ProductForPlan\",\"promotionCode\":\"PromotionCodeForPlan\",\"version\":\"VersionForPlan\"}";
+            JsonElement element = JsonDocument.Parse(json).RootElement;
+            Plan plan = Plan.DeserializePlan(element);
+            Assert.IsTrue(plan.Name.Equals("NameForPlan"));
+            Assert.IsTrue(plan.PromotionCode.Equals("PromotionCodeForPlan"));
+        }
+
+        [Test]
+        public void InvalidDeserializationTest()
+        {
+            string json = "{\"name\":\"NameForPlan\",\"notPublisher\":\"PublisherForPlan\",\"product\":\"ProductForPlan\",\"version\":\"VersionForPlan\"}";
+            JsonElement element = JsonDocument.Parse(json).RootElement;
+            Plan plan = Plan.DeserializePlan(element);
+            Assert.IsTrue(plan.Publisher == null);
+            Assert.IsTrue(plan.PromotionCode == null);
+        }
     }
 }