Update to .NET 9 and replace Swashbuckle/Swagger with ASP.NET Core OpenAPI generation

.github/workflows/dotnet.yml

@@ -18,7 +18,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 8.x
+        dotnet-version: 9.x
     - name: Restore dependencies
       run: dotnet restore
     - name: Build

.gitignore

@@ -397,11 +397,13 @@ FodyWeavers.xsd
 # JetBrains Rider
 *.sln.iml
 
-appsettings.Development.json
+appsettings.Development*.json
 openapi/**/*.yml
 openapi/**/*.json
 plugin/**/*.json
 plugin/**/*.yml
 *.zip
 .kiota/
 BudgetTracker-DevTunnel.http
+*.cer
+start-tunnel.bat

.vscode/launch.json

@@ -10,7 +10,7 @@
       "request": "launch",
       "preLaunchTask": "build",
       // If you have changed target frameworks, make sure to update the program path.
-      "program": "${workspaceFolder}/api/bin/Debug/net8.0/BudgetTracker.dll",
+      "program": "${workspaceFolder}/api/bin/Debug/net9.0/BudgetTracker.dll",
       "args": [],
       "cwd": "${workspaceFolder}/api",
       "stopAtEntry": false,
@@ -20,7 +20,7 @@
       "serverReadyAction": {
         "action": "openExternally",
         "pattern": "\\bNow listening on:\\s+(https?://\\S+)",
-        "uriFormat": "%s/swagger"
+        "uriFormat": "%s/openapi/BudgetTracker.json"
       },
       "env": {
         "ASPNETCORE_ENVIRONMENT": "Development"

.vscode/settings.json

@@ -1,11 +1,24 @@
 {
   "cSpell.words": [
     "authcomplete",
+    "cellspacing",
     "devtunnel",
     "MSRC",
     "openapi",
     "seealso",
     "Swashbuckle",
     "winget"
+  ],
+  "cSpell.ignorePaths": [
+    "package-lock.json",
+    "node_modules",
+    "vscode-extension",
+    ".git/{info,lfs,logs,refs,objects}/**",
+    ".git/{index,*refs,*HEAD}",
+    ".vscode",
+    ".vscode-insiders",
+    ".gitignore",
+    "*.csproj",
+    "examples/**"
   ]
 }

.vscode/tasks.json

@@ -5,8 +5,14 @@
       "label": "build",
       "command": "dotnet",
       "type": "process",
+      "options": {
+        "env": {
+          "ASPNETCORE_ENVIRONMENT": "Development"
+        }
+      },
       "args": [
         "build",
+        "--no-incremental",
         "${workspaceFolder}/api/BudgetTracker.csproj",
         "/property:GenerateFullPaths=true",
         "/consoleloggerparameters:NoSummary;ForceNoAlign"
@@ -36,6 +42,20 @@
         "${workspaceFolder}/api/BudgetTracker.csproj"
       ],
       "problemMatcher": "$msCompile"
+    },
+    {
+      "label": "gen-samples",
+      "detail": "Generate sample OpenAPI with placeholders",
+      "command": "dotnet",
+      "type": "process",
+      "args": [
+        "build",
+        "--no-incremental",
+        "${workspaceFolder}/api/BudgetTracker.csproj",
+        "/property:GenerateFullPaths=true",
+        "/consoleloggerparameters:NoSummary;ForceNoAlign"
+      ],
+      "problemMatcher": "$msCompile"
     }
   ]
 }

api/BudgetTracker.csproj

@@ -1,26 +1,44 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <OpenApiGenerateDocuments>true</OpenApiGenerateDocuments>
+    <OpenApiGenerateDocumentsOnBuild>true</OpenApiGenerateDocumentsOnBuild>
   </PropertyGroup>
 
+  <Choose>
+    <When Condition="$(ASPNETCORE_ENVIRONMENT) == Development">
+      <PropertyGroup>
+        <OpenApiDocumentsDirectory>../openapi</OpenApiDocumentsDirectory>
+      </PropertyGroup>
+    </When>
+    <When Condition="$(ASPNETCORE_ENVIRONMENT) == ''">
+      <PropertyGroup>
+        <OpenApiDocumentsDirectory>../examples/openapi</OpenApiDocumentsDirectory>
+      </PropertyGroup>
+    </When>
+  </Choose>
+
   <ItemGroup>
     <AdditionalFiles Include="$(MSBuildThisFileDirectory)stylecop.json" />
   </ItemGroup>
 
   <ItemGroup>
     <PackageReference Include="AdaptiveCards" Version="3.1.0" />
-    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.11" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.0" />
+    <PackageReference Include="Microsoft.Extensions.ApiDescription.Server" Version="9.0.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
     <PackageReference Include="Microsoft.Identity.Web" Version="3.5.0" />
     <PackageReference Include="Microsoft.Identity.Web.GraphServiceClient" Version="3.5.0" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.556">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.9.0" />
   </ItemGroup>
 
 </Project>

api/Endpoints/BudgetsEndpoint.cs

@@ -1,13 +1,13 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
+using System.ComponentModel;
 using BudgetTracker.Models;
 using BudgetTracker.Services;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Http.HttpResults;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Identity.Web.Resource;
-using Microsoft.OpenApi.Any;
 
 namespace BudgetTracker.Endpoints;
 
@@ -29,12 +29,6 @@ public static void Map(WebApplication app)
             .WithName("GetBudgets")
             .WithSummary("Get budgets based on budget name")
             .WithDescription("Returns details including name and available funds of budgets, optionally filtered by budget name")
-            .WithOpenApi(operation =>
-            {
-                operation.Parameters[0].Description = "The name of the budget to retrieve";
-                operation.Parameters[0].Required = false;
-                return operation;
-            })
             .RequireAuthorization();
 
         app.MapPost(Endpoint, CreateBudget)
@@ -46,21 +40,19 @@ public static void Map(WebApplication app)
         app.MapPost($"{Endpoint}/charge", ChargeBudget)
             .WithName("ChargeBudget")
             .WithSummary("Charge an amount to a budget")
-            .WithDescription("Charge an amount to a budget with a specified name. This removes the specified amount from the budget's available funds")
-            .WithOpenApi()
+            .WithDescription("Charge an amount to a budget with a specified name, removing the amount from available funds")
             .RequireAuthorization();
 
         app.MapPost($"{Endpoint}/extend", ExtendBudget)
             .WithName("ExtendBudget")
             .WithSummary("Add an amount to a budget")
-            .WithDescription("Add an amount to a budget with a specified name. This adds the specified amount to the budget's available funds")
-            .WithOpenApi()
+            .WithDescription("Add an amount to a budget with a specified name, adding the amount to available funds")
             .RequireAuthorization();
     }
 
     private static Results<Ok<List<Budget>>, BadRequest<ApiResponse>> GetBudgets(
         HttpContext context,
-        [FromQuery] string? budgetName,
+        [FromQuery][Description("The name of the budget to retrieve")] string? budgetName,
         [FromServices] BudgetService budgetService,
         [FromServices] ILogger<Program> logger)
     {

api/Endpoints/TransactionsEndpoint.cs

@@ -1,14 +1,13 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
-using System.Text.Json;
+using System.ComponentModel;
 using BudgetTracker.Models;
 using BudgetTracker.Services;
 using Microsoft.AspNetCore.Http.HttpResults;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Graph;
 using Microsoft.Identity.Web.Resource;
-using Microsoft.OpenApi.Any;
 
 namespace BudgetTracker.Endpoints;
 
@@ -28,37 +27,20 @@ public static void Map(WebApplication app)
         app.MapGet(Endpoint, GetTransactions)
             .WithName("GetTransactions")
             .WithSummary("Get transactions based on budget name or category")
-            .WithDescription("Returns details of transactions identified from filters like budget name or category. Multiple filters can be used in combination to refine the list of transactions returned")
-            .WithOpenApi(operation =>
-            {
-                operation.Parameters[0].Description = "The name of the budget to filter results on";
-                operation.Parameters[0].Required = false;
-                operation.Parameters[1].Description = "The name of the category to filter results on";
-                operation.Parameters[1].Required = false;
-                return operation;
-            })
+            .WithDescription("Returns details of transactions identified from filters like budget name or category")
             .RequireAuthorization();
 
         app.MapPost($"{Endpoint}/send", SendTransactionReport)
             .WithName("SendTransactionReport")
             .WithSummary("Send a transaction report to my email")
-            .WithDescription("Sends a transaction report via email, optionally filtered by budget.")
-            .WithOpenApi(operation =>
-            {
-                // Set this to false so Copilot will show an "always allow" option
-                operation.Extensions.Add("x-openai-isConsequential", new OpenApiBoolean(false));
-
-                operation.Parameters[0].Description = "The name of the budget to filter report on";
-                operation.Parameters[0].Required = false;
-                return operation;
-            })
+            .WithDescription("Sends a transaction report via email, optionally filtered by budget")
             .RequireAuthorization();
     }
 
     private static Results<Ok<TransactionListResponse>, BadRequest<ApiResponse>> GetTransactions(
         HttpContext context,
-        [FromQuery] string? budgetName,
-        [FromQuery] string? category,
+        [FromQuery][Description("The name of the budget to filter results on")] string? budgetName,
+        [FromQuery][Description("The name of the category to filter results on")] string? category,
         [FromServices] BudgetService budgetService,
         [FromServices] ILogger<Program> logger)
     {
@@ -80,7 +62,7 @@ private static Results<Ok<TransactionListResponse>, BadRequest<ApiResponse>> Get
 
     private static async Task<Results<Accepted<ApiResponse>, BadRequest<ApiResponse>>> SendTransactionReport(
         HttpContext context,
-        [FromQuery] string? budgetName,
+        [FromQuery][Description("The name of the budget to filter report on")] string? budgetName,
         [FromServices] BudgetService budgetService,
         [FromServices] GraphServiceClient graphClient,
         [FromServices] ILogger<Program> logger)

api/Models/ApiResponse.cs

@@ -1,6 +1,8 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
+using System.ComponentModel;
+
 namespace BudgetTracker.Models;
 
 /// <summary>
@@ -12,6 +14,6 @@ public class ApiResponse(string message)
     /// Gets the response message.
     /// </summary>
     /// <example>1000 has been deducted from Contoso Copilot plugin project. The budget has 49000 remaining in available funds.</example>
-    /// <example>1000 has been added to Contoso Copilot plugin project. The budget has 51000 remaining in available funds.</example>
+    [Description("The response message")]
     public string Message => message;
 }

api/Models/Budget.cs

@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
+using System.ComponentModel;
 using System.ComponentModel.DataAnnotations;
 
 namespace BudgetTracker.Models;
@@ -15,12 +16,14 @@ public class Budget
     /// </summary>
     /// <example>Contoso Copilot plugin project</example>
     [Required]
+    [Description("The name of the budget")]
     public string? Name { get; set; }
 
     /// <summary>
     /// Gets or sets the available funds in the budget.
     /// </summary>
     /// <example>50000</example>
     [Required]
+    [Description("The available funds in the budget")]
     public decimal AvailableFunds { get; set; }
 }

api/Models/Transaction.cs

@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
+using System.ComponentModel;
 using System.ComponentModel.DataAnnotations;
 
 namespace BudgetTracker.Models;
@@ -15,31 +16,36 @@ public class Transaction
     /// </summary>
     /// <example>Contoso Copilot plugin project</example>
     [Required]
+    [Description("The name of the budget to adjust")]
     public string? BudgetName { get; set; }
 
     /// <summary>
     /// Gets or sets the amount of the adjustment.
     /// </summary>
     /// <example>-5000</example>
     [Required]
+    [Description("The amount of the adjustment")]
     public decimal Amount { get; set; }
 
     /// <summary>
     /// Gets or sets a description for the change.
     /// </summary>
     /// <example>Purchase new laptops for team</example>
     [Required]
+    [Description("The description for the change")]
     public string? Description { get; set; }
 
     /// <summary>
     /// Gets or sets the expense category for charges against the budget.
     /// </summary>
     /// <example>hardware</example>
+    [Description("The expense category for charges against the budget")]
     public string? ExpenseCategory { get; set; }
 
     /// <summary>
     /// Gets the JSONPath to the Adaptive Card template to use for rendering this transaction in an API plugin.
     /// </summary>
+    [Description("The JSONPath to the Adaptive Card template to use for rendering this transaction in an API plugin")]
     public string DisplayTemplate
     {
         get