address comments

Signed-off-by: Jack Schofield <[email protected]>

Author: jackschofield23

src/Common/Interfaces/IWorkflowService.cs

@@ -29,6 +29,6 @@ public interface IWorkflowService
         /// </summary>
         /// <param name="workflow">Workflow to Update.</param>
         /// <param name="id">Id of the workflow to Update.</param>
-        Task<string> UpdateAsync(Workflow workflow, string id);
+        Task<string?> UpdateAsync(Workflow workflow, string id);
     }
 }

src/Common/Services/WorkflowService.cs

@@ -35,7 +35,7 @@ public async Task<string> CreateAsync(Workflow workflow)
             return await _workflowRepository.CreateAsync(workflow);
         }
 
-        public async Task<string> UpdateAsync(Workflow workflow, string id)
+        public async Task<string?> UpdateAsync(Workflow workflow, string id)
         {
             Guard.Against.Null(workflow);
             Guard.Against.NullOrWhiteSpace(id);

tests/UnitTests/Common.Tests/Monai.Deploy.WorkflowManger.Common.Tests.csproj

@@ -1,3 +1,8 @@
+<!--
+\SPDX-FileCopyrightText: © 2022 MONAI Consortium
+SPDX-License-Identifier: Apache License 2.0
+-->
+
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>

tests/UnitTests/WorkflowManager.Tests/Monai.Deploy.WorkflowManager.Tests.csproj

@@ -1,3 +1,8 @@
+<!--
+\SPDX-FileCopyrightText: © 2022 MONAI Consortium
+SPDX-License-Identifier: Apache License 2.0
+-->
+
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>