- code-gen: updates for errors and discriminator

msgraph-mail/dotnet/Models/Microsoft/Graph/Attachment.cs

@@ -16,6 +16,14 @@ public class Attachment : Entity, IParsable {
         /// <summary>The length of the attachment in bytes.</summary>
         public int? Size { get; set; }
         /// <summary>
+        /// Creates a new instance of the appropriate class based on discriminator value
+        /// <param name="parseNode">The parse node to use to read the discriminator value and create the object</param>
+        /// </summary>
+        public static new Attachment CreateFromDiscriminatorValue(IParseNode parseNode) {
+            _ = parseNode ?? throw new ArgumentNullException(nameof(parseNode));
+            return new Attachment();
+        }
+        /// <summary>
         /// The deserialization information for the current model
         /// </summary>
         public new IDictionary<string, Action<T, IParseNode>> GetFieldDeserializers<T>() {

msgraph-mail/dotnet/Models/Microsoft/Graph/DateTimeTimeZone.cs

@@ -18,6 +18,14 @@ public DateTimeTimeZone() {
             AdditionalData = new Dictionary<string, object>();
         }
         /// <summary>
+        /// Creates a new instance of the appropriate class based on discriminator value
+        /// <param name="parseNode">The parse node to use to read the discriminator value and create the object</param>
+        /// </summary>
+        public static DateTimeTimeZone CreateFromDiscriminatorValue(IParseNode parseNode) {
+            _ = parseNode ?? throw new ArgumentNullException(nameof(parseNode));
+            return new DateTimeTimeZone();
+        }
+        /// <summary>
         /// The deserialization information for the current model
         /// </summary>
         public IDictionary<string, Action<T, IParseNode>> GetFieldDeserializers<T>() {

msgraph-mail/dotnet/Models/Microsoft/Graph/EmailAddress.cs

@@ -18,6 +18,14 @@ public EmailAddress() {
             AdditionalData = new Dictionary<string, object>();
         }
         /// <summary>
+        /// Creates a new instance of the appropriate class based on discriminator value
+        /// <param name="parseNode">The parse node to use to read the discriminator value and create the object</param>
+        /// </summary>
+        public static EmailAddress CreateFromDiscriminatorValue(IParseNode parseNode) {
+            _ = parseNode ?? throw new ArgumentNullException(nameof(parseNode));
+            return new EmailAddress();
+        }
+        /// <summary>
         /// The deserialization information for the current model
         /// </summary>
         public IDictionary<string, Action<T, IParseNode>> GetFieldDeserializers<T>() {

msgraph-mail/dotnet/Models/Microsoft/Graph/Entity.cs

@@ -16,6 +16,14 @@ public Entity() {
             AdditionalData = new Dictionary<string, object>();
         }
         /// <summary>
+        /// Creates a new instance of the appropriate class based on discriminator value
+        /// <param name="parseNode">The parse node to use to read the discriminator value and create the object</param>
+        /// </summary>
+        public static Entity CreateFromDiscriminatorValue(IParseNode parseNode) {
+            _ = parseNode ?? throw new ArgumentNullException(nameof(parseNode));
+            return new Entity();
+        }
+        /// <summary>
         /// The deserialization information for the current model
         /// </summary>
         public IDictionary<string, Action<T, IParseNode>> GetFieldDeserializers<T>() {

msgraph-mail/dotnet/Models/Microsoft/Graph/Extension.cs

@@ -5,6 +5,14 @@
 using System.Linq;
 namespace Graphdotnetv4.Models.Microsoft.Graph {
     public class Extension : Entity, IParsable {
+        /// <summary>
+        /// Creates a new instance of the appropriate class based on discriminator value
+        /// <param name="parseNode">The parse node to use to read the discriminator value and create the object</param>
+        /// </summary>
+        public static new Extension CreateFromDiscriminatorValue(IParseNode parseNode) {
+            _ = parseNode ?? throw new ArgumentNullException(nameof(parseNode));
+            return new Extension();
+        }
         /// <summary>
         /// The deserialization information for the current model
         /// </summary>

msgraph-mail/dotnet/Models/Microsoft/Graph/FollowupFlag.cs

@@ -18,14 +18,22 @@ public FollowupFlag() {
             AdditionalData = new Dictionary<string, object>();
         }
         /// <summary>
+        /// Creates a new instance of the appropriate class based on discriminator value
+        /// <param name="parseNode">The parse node to use to read the discriminator value and create the object</param>
+        /// </summary>
+        public static FollowupFlag CreateFromDiscriminatorValue(IParseNode parseNode) {
+            _ = parseNode ?? throw new ArgumentNullException(nameof(parseNode));
+            return new FollowupFlag();
+        }
+        /// <summary>
         /// The deserialization information for the current model
         /// </summary>
         public IDictionary<string, Action<T, IParseNode>> GetFieldDeserializers<T>() {
             return new Dictionary<string, Action<T, IParseNode>> {
-                {"completedDateTime", (o,n) => { (o as FollowupFlag).CompletedDateTime = n.GetObjectValue<DateTimeTimeZone>(); } },
-                {"dueDateTime", (o,n) => { (o as FollowupFlag).DueDateTime = n.GetObjectValue<DateTimeTimeZone>(); } },
+                {"completedDateTime", (o,n) => { (o as FollowupFlag).CompletedDateTime = n.GetObjectValue<DateTimeTimeZone>(DateTimeTimeZone.CreateFromDiscriminatorValue); } },
+                {"dueDateTime", (o,n) => { (o as FollowupFlag).DueDateTime = n.GetObjectValue<DateTimeTimeZone>(DateTimeTimeZone.CreateFromDiscriminatorValue); } },
                 {"flagStatus", (o,n) => { (o as FollowupFlag).FlagStatus = n.GetEnumValue<FollowupFlagStatus>(); } },
-                {"startDateTime", (o,n) => { (o as FollowupFlag).StartDateTime = n.GetObjectValue<DateTimeTimeZone>(); } },
+                {"startDateTime", (o,n) => { (o as FollowupFlag).StartDateTime = n.GetObjectValue<DateTimeTimeZone>(DateTimeTimeZone.CreateFromDiscriminatorValue); } },
             };
         }
         /// <summary>

msgraph-mail/dotnet/Models/Microsoft/Graph/InferenceClassification.cs

@@ -8,11 +8,19 @@ public class InferenceClassification : Entity, IParsable {
         /// <summary>A set of overrides for a user to always classify messages from specific senders in certain ways: focused, or other. Read-only. Nullable.</summary>
         public List<InferenceClassificationOverride> Overrides { get; set; }
         /// <summary>
+        /// Creates a new instance of the appropriate class based on discriminator value
+        /// <param name="parseNode">The parse node to use to read the discriminator value and create the object</param>
+        /// </summary>
+        public static new InferenceClassification CreateFromDiscriminatorValue(IParseNode parseNode) {
+            _ = parseNode ?? throw new ArgumentNullException(nameof(parseNode));
+            return new InferenceClassification();
+        }
+        /// <summary>
         /// The deserialization information for the current model
         /// </summary>
         public new IDictionary<string, Action<T, IParseNode>> GetFieldDeserializers<T>() {
             return new Dictionary<string, Action<T, IParseNode>>(base.GetFieldDeserializers<T>()) {
-                {"overrides", (o,n) => { (o as InferenceClassification).Overrides = n.GetCollectionOfObjectValues<InferenceClassificationOverride>().ToList(); } },
+                {"overrides", (o,n) => { (o as InferenceClassification).Overrides = n.GetCollectionOfObjectValues<InferenceClassificationOverride>(InferenceClassificationOverride.CreateFromDiscriminatorValue).ToList(); } },
             };
         }
         /// <summary>

msgraph-mail/dotnet/Models/Microsoft/Graph/InferenceClassificationOverride.cs

@@ -8,12 +8,20 @@ public class InferenceClassificationOverride : Entity, IParsable {
         public InferenceClassificationType? ClassifyAs { get; set; }
         public EmailAddress SenderEmailAddress { get; set; }
         /// <summary>
+        /// Creates a new instance of the appropriate class based on discriminator value
+        /// <param name="parseNode">The parse node to use to read the discriminator value and create the object</param>
+        /// </summary>
+        public static new InferenceClassificationOverride CreateFromDiscriminatorValue(IParseNode parseNode) {
+            _ = parseNode ?? throw new ArgumentNullException(nameof(parseNode));
+            return new InferenceClassificationOverride();
+        }
+        /// <summary>
         /// The deserialization information for the current model
         /// </summary>
         public new IDictionary<string, Action<T, IParseNode>> GetFieldDeserializers<T>() {
             return new Dictionary<string, Action<T, IParseNode>>(base.GetFieldDeserializers<T>()) {
                 {"classifyAs", (o,n) => { (o as InferenceClassificationOverride).ClassifyAs = n.GetEnumValue<InferenceClassificationType>(); } },
-                {"senderEmailAddress", (o,n) => { (o as InferenceClassificationOverride).SenderEmailAddress = n.GetObjectValue<EmailAddress>(); } },
+                {"senderEmailAddress", (o,n) => { (o as InferenceClassificationOverride).SenderEmailAddress = n.GetObjectValue<EmailAddress>(EmailAddress.CreateFromDiscriminatorValue); } },
             };
         }
         /// <summary>

msgraph-mail/dotnet/Models/Microsoft/Graph/InternetMessageHeader.cs

@@ -18,6 +18,14 @@ public InternetMessageHeader() {
             AdditionalData = new Dictionary<string, object>();
         }
         /// <summary>
+        /// Creates a new instance of the appropriate class based on discriminator value
+        /// <param name="parseNode">The parse node to use to read the discriminator value and create the object</param>
+        /// </summary>
+        public static InternetMessageHeader CreateFromDiscriminatorValue(IParseNode parseNode) {
+            _ = parseNode ?? throw new ArgumentNullException(nameof(parseNode));
+            return new InternetMessageHeader();
+        }
+        /// <summary>
         /// The deserialization information for the current model
         /// </summary>
         public IDictionary<string, Action<T, IParseNode>> GetFieldDeserializers<T>() {

msgraph-mail/dotnet/Models/Microsoft/Graph/ItemBody.cs

@@ -17,6 +17,14 @@ public ItemBody() {
             AdditionalData = new Dictionary<string, object>();
         }
         /// <summary>
+        /// Creates a new instance of the appropriate class based on discriminator value
+        /// <param name="parseNode">The parse node to use to read the discriminator value and create the object</param>
+        /// </summary>
+        public static ItemBody CreateFromDiscriminatorValue(IParseNode parseNode) {
+            _ = parseNode ?? throw new ArgumentNullException(nameof(parseNode));
+            return new ItemBody();
+        }
+        /// <summary>
         /// The deserialization information for the current model
         /// </summary>
         public IDictionary<string, Action<T, IParseNode>> GetFieldDeserializers<T>() {

msgraph-mail/dotnet/Models/Microsoft/Graph/MailFolder.cs

@@ -28,19 +28,27 @@ public class MailFolder : Entity, IParsable {
         /// <summary>The number of items in the mailFolder marked as unread.</summary>
         public int? UnreadItemCount { get; set; }
         /// <summary>
+        /// Creates a new instance of the appropriate class based on discriminator value
+        /// <param name="parseNode">The parse node to use to read the discriminator value and create the object</param>
+        /// </summary>
+        public static new MailFolder CreateFromDiscriminatorValue(IParseNode parseNode) {
+            _ = parseNode ?? throw new ArgumentNullException(nameof(parseNode));
+            return new MailFolder();
+        }
+        /// <summary>
         /// The deserialization information for the current model
         /// </summary>
         public new IDictionary<string, Action<T, IParseNode>> GetFieldDeserializers<T>() {
             return new Dictionary<string, Action<T, IParseNode>>(base.GetFieldDeserializers<T>()) {
                 {"childFolderCount", (o,n) => { (o as MailFolder).ChildFolderCount = n.GetIntValue(); } },
-                {"childFolders", (o,n) => { (o as MailFolder).ChildFolders = n.GetCollectionOfObjectValues<MailFolder>().ToList(); } },
+                {"childFolders", (o,n) => { (o as MailFolder).ChildFolders = n.GetCollectionOfObjectValues<MailFolder>(MailFolder.CreateFromDiscriminatorValue).ToList(); } },
                 {"displayName", (o,n) => { (o as MailFolder).DisplayName = n.GetStringValue(); } },
                 {"isHidden", (o,n) => { (o as MailFolder).IsHidden = n.GetBoolValue(); } },
-                {"messageRules", (o,n) => { (o as MailFolder).MessageRules = n.GetCollectionOfObjectValues<MessageRule>().ToList(); } },
-                {"messages", (o,n) => { (o as MailFolder).Messages = n.GetCollectionOfObjectValues<Message>().ToList(); } },
-                {"multiValueExtendedProperties", (o,n) => { (o as MailFolder).MultiValueExtendedProperties = n.GetCollectionOfObjectValues<MultiValueLegacyExtendedProperty>().ToList(); } },
+                {"messageRules", (o,n) => { (o as MailFolder).MessageRules = n.GetCollectionOfObjectValues<MessageRule>(MessageRule.CreateFromDiscriminatorValue).ToList(); } },
+                {"messages", (o,n) => { (o as MailFolder).Messages = n.GetCollectionOfObjectValues<Message>(Message.CreateFromDiscriminatorValue).ToList(); } },
+                {"multiValueExtendedProperties", (o,n) => { (o as MailFolder).MultiValueExtendedProperties = n.GetCollectionOfObjectValues<MultiValueLegacyExtendedProperty>(MultiValueLegacyExtendedProperty.CreateFromDiscriminatorValue).ToList(); } },
                 {"parentFolderId", (o,n) => { (o as MailFolder).ParentFolderId = n.GetStringValue(); } },
-                {"singleValueExtendedProperties", (o,n) => { (o as MailFolder).SingleValueExtendedProperties = n.GetCollectionOfObjectValues<SingleValueLegacyExtendedProperty>().ToList(); } },
+                {"singleValueExtendedProperties", (o,n) => { (o as MailFolder).SingleValueExtendedProperties = n.GetCollectionOfObjectValues<SingleValueLegacyExtendedProperty>(SingleValueLegacyExtendedProperty.CreateFromDiscriminatorValue).ToList(); } },
                 {"totalItemCount", (o,n) => { (o as MailFolder).TotalItemCount = n.GetIntValue(); } },
                 {"unreadItemCount", (o,n) => { (o as MailFolder).UnreadItemCount = n.GetIntValue(); } },
             };