feat:Introduce UnixTimestampJsonConverter for DateTimeOffset handling

src/libs/OpenAI/Generated/JsonConverters.UnixTimestamp.g.cs

@@ -0,0 +1,39 @@
+#nullable enable
+
+namespace OpenApiGenerator.JsonConverters
+{
+    /// <inheritdoc />
+    public class UnixTimestampJsonConverter : global::System.Text.Json.Serialization.JsonConverter<global::System.DateTimeOffset>
+    {
+        /// <inheritdoc />
+        public override global::System.DateTimeOffset Read(
+            ref global::System.Text.Json.Utf8JsonReader reader,
+            global::System.Type typeToConvert,
+            global::System.Text.Json.JsonSerializerOptions options)
+        {
+            if (reader.TokenType == global::System.Text.Json.JsonTokenType.Number)
+            {
+                if (reader.TryGetInt64(out long unixTimestamp))
+                {
+                    return global::System.DateTimeOffset.FromUnixTimeSeconds(unixTimestamp);
+                }
+                if (reader.TryGetInt32(out int unixTimestampInt))
+                {
+                    return global::System.DateTimeOffset.FromUnixTimeSeconds(unixTimestampInt);
+                }
+            }
+
+            return default;
+        }
+
+        /// <inheritdoc />
+        public override void Write(
+            global::System.Text.Json.Utf8JsonWriter writer,
+            global::System.DateTimeOffset value,
+            global::System.Text.Json.JsonSerializerOptions options)
+        {
+            long unixTimestamp = value.ToUnixTimeSeconds();
+            writer.WriteNumberValue(unixTimestamp);
+        }
+    }
+}

src/libs/OpenAI/Generated/OpenAI.Models.AssistantObject.g.cs

@@ -28,8 +28,9 @@ public sealed partial class AssistantObject
         /// The Unix timestamp (in seconds) for when the assistant was created.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("created_at")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int CreatedAt { get; set; }
+        public required global::System.DateTimeOffset CreatedAt { get; set; }
 
         /// <summary>
         /// The name of the assistant. The maximum length is 256 characters.

src/libs/OpenAI/Generated/OpenAI.Models.AuditLog.g.cs

@@ -27,8 +27,9 @@ public sealed partial class AuditLog
         /// The Unix timestamp (in seconds) of the event.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("effective_at")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int EffectiveAt { get; set; }
+        public required global::System.DateTimeOffset EffectiveAt { get; set; }
 
         /// <summary>
         /// The project that the action was scoped to. Absent for actions not scoped to projects.

src/libs/OpenAI/Generated/OpenAI.Models.Batch.g.cs

@@ -73,56 +73,65 @@ public sealed partial class Batch
         /// The Unix timestamp (in seconds) for when the batch was created.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("created_at")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int CreatedAt { get; set; }
+        public required global::System.DateTimeOffset CreatedAt { get; set; }
 
         /// <summary>
         /// The Unix timestamp (in seconds) for when the batch started processing.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("in_progress_at")]
-        public int InProgressAt { get; set; }
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
+        public global::System.DateTimeOffset InProgressAt { get; set; }
 
         /// <summary>
         /// The Unix timestamp (in seconds) for when the batch will expire.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("expires_at")]
-        public int ExpiresAt { get; set; }
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
+        public global::System.DateTimeOffset ExpiresAt { get; set; }
 
         /// <summary>
         /// The Unix timestamp (in seconds) for when the batch started finalizing.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("finalizing_at")]
-        public int FinalizingAt { get; set; }
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
+        public global::System.DateTimeOffset FinalizingAt { get; set; }
 
         /// <summary>
         /// The Unix timestamp (in seconds) for when the batch was completed.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("completed_at")]
-        public int CompletedAt { get; set; }
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
+        public global::System.DateTimeOffset CompletedAt { get; set; }
 
         /// <summary>
         /// The Unix timestamp (in seconds) for when the batch failed.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("failed_at")]
-        public int FailedAt { get; set; }
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
+        public global::System.DateTimeOffset FailedAt { get; set; }
 
         /// <summary>
         /// The Unix timestamp (in seconds) for when the batch expired.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("expired_at")]
-        public int ExpiredAt { get; set; }
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
+        public global::System.DateTimeOffset ExpiredAt { get; set; }
 
         /// <summary>
         /// The Unix timestamp (in seconds) for when the batch started cancelling.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("cancelling_at")]
-        public int CancellingAt { get; set; }
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
+        public global::System.DateTimeOffset CancellingAt { get; set; }
 
         /// <summary>
         /// The Unix timestamp (in seconds) for when the batch was cancelled.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("cancelled_at")]
-        public int CancelledAt { get; set; }
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
+        public global::System.DateTimeOffset CancelledAt { get; set; }
 
         /// <summary>
         /// The request counts for different statuses within the batch.

src/libs/OpenAI/Generated/OpenAI.Models.CreateChatCompletionFunctionResponse.g.cs

@@ -26,8 +26,9 @@ public sealed partial class CreateChatCompletionFunctionResponse
         /// The Unix timestamp (in seconds) of when the chat completion was created.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("created")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int Created { get; set; }
+        public required global::System.DateTimeOffset Created { get; set; }
 
         /// <summary>
         /// The model used for the chat completion.

src/libs/OpenAI/Generated/OpenAI.Models.CreateChatCompletionResponse.g.cs

@@ -26,8 +26,9 @@ public sealed partial class CreateChatCompletionResponse
         /// The Unix timestamp (in seconds) of when the chat completion was created.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("created")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int Created { get; set; }
+        public required global::System.DateTimeOffset Created { get; set; }
 
         /// <summary>
         /// The model used for the chat completion.

src/libs/OpenAI/Generated/OpenAI.Models.CreateChatCompletionStreamResponse.g.cs

@@ -27,8 +27,9 @@ public sealed partial class CreateChatCompletionStreamResponse
         /// The Unix timestamp (in seconds) of when the chat completion was created. Each chunk has the same timestamp.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("created")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int Created { get; set; }
+        public required global::System.DateTimeOffset Created { get; set; }
 
         /// <summary>
         /// The model to generate the completion.

src/libs/OpenAI/Generated/OpenAI.Models.CreateCompletionResponse.g.cs

@@ -26,8 +26,9 @@ public sealed partial class CreateCompletionResponse
         /// The Unix timestamp (in seconds) of when the completion was created.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("created")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int Created { get; set; }
+        public required global::System.DateTimeOffset Created { get; set; }
 
         /// <summary>
         /// The model used for completion.

src/libs/OpenAI/Generated/OpenAI.Models.FineTuningJob.g.cs

@@ -21,8 +21,9 @@ public sealed partial class FineTuningJob
         /// The Unix timestamp (in seconds) for when the fine-tuning job was created.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("created_at")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int CreatedAt { get; set; }
+        public required global::System.DateTimeOffset CreatedAt { get; set; }
 
         /// <summary>
         /// For fine-tuning jobs that have `failed`, this will contain more information on the cause of the failure.
@@ -42,8 +43,9 @@ public sealed partial class FineTuningJob
         /// The Unix timestamp (in seconds) for when the fine-tuning job was finished. The value will be null if the fine-tuning job is still running.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("finished_at")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int? FinishedAt { get; set; }
+        public required global::System.DateTimeOffset? FinishedAt { get; set; }
 
         /// <summary>
         /// The hyperparameters used for the fine-tuning job. See the [fine-tuning guide](/docs/guides/fine-tuning) for more details.
@@ -126,7 +128,8 @@ public sealed partial class FineTuningJob
         /// The Unix timestamp (in seconds) for when the fine-tuning job is estimated to finish. The value will be null if the fine-tuning job is not running.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("estimated_finish")]
-        public int? EstimatedFinish { get; set; }
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
+        public global::System.DateTimeOffset? EstimatedFinish { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema

src/libs/OpenAI/Generated/OpenAI.Models.FineTuningJobCheckpoint.g.cs

@@ -19,8 +19,9 @@ public sealed partial class FineTuningJobCheckpoint
         /// The Unix timestamp (in seconds) for when the checkpoint was created.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("created_at")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int CreatedAt { get; set; }
+        public required global::System.DateTimeOffset CreatedAt { get; set; }
 
         /// <summary>
         /// The name of the fine-tuned checkpoint model that is created.

src/libs/OpenAI/Generated/OpenAI.Models.Invite.g.cs

@@ -49,21 +49,24 @@ public sealed partial class Invite
         /// The Unix timestamp (in seconds) of when the invite was sent.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("invited_at")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int InvitedAt { get; set; }
+        public required global::System.DateTimeOffset InvitedAt { get; set; }
 
         /// <summary>
         /// The Unix timestamp (in seconds) of when the invite expires.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("expires_at")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int ExpiresAt { get; set; }
+        public required global::System.DateTimeOffset ExpiresAt { get; set; }
 
         /// <summary>
         /// The Unix timestamp (in seconds) of when the invite was accepted.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("accepted_at")]
-        public int AcceptedAt { get; set; }
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
+        public global::System.DateTimeOffset AcceptedAt { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema

src/libs/OpenAI/Generated/OpenAI.Models.MessageObject.g.cs

@@ -28,8 +28,9 @@ public sealed partial class MessageObject
         /// The Unix timestamp (in seconds) for when the message was created.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("created_at")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int CreatedAt { get; set; }
+        public required global::System.DateTimeOffset CreatedAt { get; set; }
 
         /// <summary>
         /// The [thread](/docs/api-reference/threads) ID that this message belongs to.
@@ -57,15 +58,17 @@ public sealed partial class MessageObject
         /// The Unix timestamp (in seconds) for when the message was completed.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("completed_at")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int? CompletedAt { get; set; }
+        public required global::System.DateTimeOffset? CompletedAt { get; set; }
 
         /// <summary>
         /// The Unix timestamp (in seconds) for when the message was marked as incomplete.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("incomplete_at")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int? IncompleteAt { get; set; }
+        public required global::System.DateTimeOffset? IncompleteAt { get; set; }
 
         /// <summary>
         /// The entity that produced the message. One of `user` or `assistant`.

src/libs/OpenAI/Generated/OpenAI.Models.Model12.g.cs

@@ -19,8 +19,9 @@ public sealed partial class Model12
         /// The Unix timestamp (in seconds) when the model was created.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("created")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int Created { get; set; }
+        public required global::System.DateTimeOffset Created { get; set; }
 
         /// <summary>
         /// The object type, which is always "model".

src/libs/OpenAI/Generated/OpenAI.Models.OpenAIFile.g.cs

@@ -26,8 +26,9 @@ public sealed partial class OpenAIFile
         /// The Unix timestamp (in seconds) for when the file was created.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("created_at")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int CreatedAt { get; set; }
+        public required global::System.DateTimeOffset CreatedAt { get; set; }
 
         /// <summary>
         /// The name of the file.

src/libs/OpenAI/Generated/OpenAI.Models.Project.g.cs

@@ -33,14 +33,16 @@ public sealed partial class Project
         /// The Unix timestamp (in seconds) of when the project was created.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("created_at")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int CreatedAt { get; set; }
+        public required global::System.DateTimeOffset CreatedAt { get; set; }
 
         /// <summary>
         /// The Unix timestamp (in seconds) of when the project was archived or `null`.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("archived_at")]
-        public int? ArchivedAt { get; set; }
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
+        public global::System.DateTimeOffset? ArchivedAt { get; set; }
 
         /// <summary>
         /// `active` or `archived`

src/libs/OpenAI/Generated/OpenAI.Models.ProjectApiKey.g.cs

@@ -33,8 +33,9 @@ public sealed partial class ProjectApiKey
         /// The Unix timestamp (in seconds) of when the API key was created
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("created_at")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int CreatedAt { get; set; }
+        public required global::System.DateTimeOffset CreatedAt { get; set; }
 
         /// <summary>
         /// The identifier, which can be referenced in API endpoints

src/libs/OpenAI/Generated/OpenAI.Models.ProjectServiceAccount.g.cs

@@ -41,8 +41,9 @@ public sealed partial class ProjectServiceAccount
         /// The Unix timestamp (in seconds) of when the service account was created
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("created_at")]
+        [global::System.Text.Json.Serialization.JsonConverter(typeof(global::OpenApiGenerator.JsonConverters.UnixTimestampJsonConverter))]
         [global::System.Text.Json.Serialization.JsonRequired]
-        public required int CreatedAt { get; set; }
+        public required global::System.DateTimeOffset CreatedAt { get; set; }
 
         /// <summary>
         /// Additional properties that are not explicitly defined in the schema