Dealing w/ Eager setting in HTTP + the codegen command. Closes GH-1567

Author: jeremydmiller

src/Http/CodeGenTarget/CodeGenTarget.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+    <PropertyGroup>
+        <TargetFramework>net9.0</TargetFramework>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>enable</ImplicitUsings>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.5"/>
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\Wolverine.Http\Wolverine.Http.csproj" />
+    </ItemGroup>
+
+</Project>

src/Http/CodeGenTarget/CodeGenTarget.http

@@ -0,0 +1,6 @@
+@CodeGenTarget_HostAddress = http://localhost:5224
+
+GET {{CodeGenTarget_HostAddress}}/weatherforecast/
+Accept: application/json
+
+###

src/Http/CodeGenTarget/Internal/Generated/WolverineHandlers/GET_api_test.cs

@@ -0,0 +1,38 @@
+// <auto-generated/>
+#pragma warning disable
+using Microsoft.AspNetCore.Routing;
+using System;
+using System.Linq;
+using Wolverine.Http;
+
+namespace Internal.Generated.WolverineHandlers
+{
+    // START: GET_api_test
+    [global::System.CodeDom.Compiler.GeneratedCode("JasperFx", "1.0.0")]
+    public sealed class GET_api_test : Wolverine.Http.HttpHandler
+    {
+        private readonly Wolverine.Http.WolverineHttpOptions _wolverineHttpOptions;
+
+        public GET_api_test(Wolverine.Http.WolverineHttpOptions wolverineHttpOptions) : base(wolverineHttpOptions)
+        {
+            _wolverineHttpOptions = wolverineHttpOptions;
+        }
+
+
+
+        public override async System.Threading.Tasks.Task Handle(Microsoft.AspNetCore.Http.HttpContext httpContext)
+        {
+            
+            // The actual HTTP request handler execution
+            var result_of_Handle = ExampleHandler.Handle();
+
+            await WriteString(httpContext, result_of_Handle);
+        }
+
+    }
+
+    // END: GET_api_test
+    
+    
+}
+

src/Http/CodeGenTarget/Program.cs

@@ -0,0 +1,33 @@
+using JasperFx;
+using Wolverine;
+using Wolverine.Http;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+// Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
+builder.Services.AddOpenApi();
+
+builder.Host.UseWolverine();
+builder.Services.AddWolverineHttp();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.MapOpenApi();
+}
+
+app.MapWolverineEndpoints(x => x.WarmUpRoutes = RouteWarmup.Eager);
+
+return await app.RunJasperFxCommands(args);
+
+public static class ExampleHandler
+{
+    [WolverineGet("/api/test")]
+    public static string Handle()
+    {
+        return "tested";
+    }
+}

src/Http/CodeGenTarget/Properties/launchSettings.json

@@ -0,0 +1,23 @@
+{
+  "$schema": "https://json.schemastore.org/launchsettings.json",
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "http://localhost:5224",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "https://localhost:7246;http://localhost:5224",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

src/Http/CodeGenTarget/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

src/Http/CodeGenTarget/appsettings.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}

src/Http/Wolverine.Http/HttpChain.Codegen.cs

@@ -32,7 +32,10 @@ public partial class HttpChain
 
     void ICodeFile.AssembleTypes(GeneratedAssembly assembly)
     {
-        if (_generatedType != null) return;
+        if (_generatedType != null)
+        {
+            return;
+        }
 
         lock (_locker)
         {

src/Http/Wolverine.Http/HttpChain.EndpointBuilder.cs

@@ -61,7 +61,7 @@ public RouteEndpoint BuildEndpoint(RouteWarmup warmup)
         }
         else
         {
-            if (warmup == RouteWarmup.Eager)
+            if (warmup == RouteWarmup.Eager && !DynamicCodeBuilder.WithinCodegenCommand)
             {
                 this.InitializeSynchronously(_parent.Rules, _parent, _parent.Container.Services);
                 var handler = (HttpHandler)_parent.Container.QuickBuild(_handlerType);

src/Http/Wolverine.Http/WolverineHttpEndpointRouteBuilderExtensions.cs

@@ -191,6 +191,11 @@ public static void MapWolverineEndpoints(this IEndpointRouteBuilder endpoints,
         options.Endpoints = new HttpGraph(runtime.Options, serviceProvider.GetRequiredService<IServiceContainer>());
 
         configure?.Invoke(options);
+        
+        if (Environment.CommandLine.Contains("codegen", StringComparison.OrdinalIgnoreCase))
+        {
+            options.WarmUpRoutes = RouteWarmup.Lazy;
+        }
 
         options.JsonSerializerOptions = new Lazy<JsonSerializerOptions>(() => serviceProvider.GetService<IOptions<JsonOptions>>()?.Value?.SerializerOptions ?? new JsonSerializerOptions());