![nswag studio nswag studio](https://raw.githubusercontent.com/RicoSuter/NSwag/master/assets/LayerDiagram.png)
For example, we can control the class name, namespace, and output path of the generated file, by adding extra properties to the OpenApiReference node: Weatherįinally, there are two more things I want to change about the generated client. Second, in the csproj file we can specify a number of options. This is achieved by providing a Name property in the method attributes in the web API. My first tip, is that your Swagger file should include an operationId for each method. So let's see a few ways to improve the generated code. What's more, the names of the methods on the client were also not what I would consider to be intuitive names. In my example, the file was called swagger-v1Client.cs, and the name of the generated class was swagger_v1Client which was not what I wanted.
Nswag studio code#
We can actually see the code if we navigate into our obj folder. How do we use the generated client? Well, first we need to know what it's called. We'll discuss the configuration options shortly, but if just you accept the defaults you end up with something like the following in your csproj file: I chose a local Swagger JSON file, which I'd saved to disk by visiting the Swagger page for my web API and downloading the JSON. If you choose OpenAPI you have the option of either pointing directly to a Swagger document, or accessing one via a URL. From here you can choose whether to add a reference for an OpenAPI or gRPC service. Select the project in Solution Explorer and choose Project | Add Service Reference. Adding a Service Reference in Visual StudioĪdding a service reference in Visual Studio is very easy. It mostly was a smooth experience, but I did run into a couple of minor issues, so I thought I'd document my findings here. I recently needed to make a quick demo app where one ASP.NET Core web application needed to call into an ASP.NET Core web API, and it seemed an ideal opportunity for me to give auto-generated clients another chance. However, with the rise of gRPC, it seems auto-generated clients are making something of a comeback, and the latest Visual Studio can generate clients for both gRPC and OpenAPI sevices now. And so I've avoided using it for a long time. The tooling to generate them was often complex, painful to automate and resulted in ugly generated code that was never flexible enough to do what I wanted. Now, auto-generated clients is something that I've been burned by in the past. There's also a link on this page to a swagger.json document which describes your API in such a way that a client could be automatically generated from it. If you type dotnet new webapi you'll get a project that already references the Swashbuckle.AspNetCore NuGet package which will give you a nice webpage showing all the endpoints in your API and letting you test them easily In fact, it's now a part of the default template for a web API. Many of you will know that with ASP.NET Core, it's really easy to generate OpenAPI (Swagger) documentation.
Nswag studio generator#
Now you should change generator settings in the NSwagStudio to improve and customize the generated code (e.g.Copy the source code into your client project.Click “Generate Outputs” and select the tab “CSharpClient”.Enter the Swagger specification URL (default: the server must be running).Start NSwagStudio and select “Swagger Specification” as input.Add the required assembly dependencies to the library project.Create a new C# library project in your solution (the service client library).In this tutorial we use the C# client generator (there is also a TypeScript client generator).
Nswag studio how to#
The next steps show how to generate a client library to access the Web API actions in the Web project. Generate client code to access the Web API Try calling your Web API actions and check the results. Run the project and navigate to the URL Here you should see the Swagger UI. (optional) Globally register the Web API exception serialization filter.OWIN and ASP.NET Core: Register the OWIN or ASP.NET Core Middlewares in your Startup.cs.Global.asax: Register the OWIN Middlewares in your Global.asax.Register the NSwag Swagger middlewares:.Open Visual Studio and create a new Web API project (either Global.asax-, OWIN- or ASP.NET Core-based).
![nswag studio nswag studio](https://res.cloudinary.com/practicaldev/image/fetch/s--bhVMj0hr--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://cdn-images-1.medium.com/max/2000/1*ORj4Z0Qfz6jeREnEVJB1bg.png)
NET Core)įor each project, the integration is a little bit different, but this tutorial will provide links to all supported ways. The toolchain can be integrated into the following three types of Web API projects:
![nswag studio nswag studio](https://markheath.net/posts/2020/openapi-autogen-aspnetcore-1.png)
![nswag studio nswag studio](https://i0.wp.com/ankitvijay.net/wp-content/uploads/2020/07/NSwagStudio-2.png)
NET) so that you can access your Web API actions with the Swagger UI and a generated C# client library. This tutorial shows how to integrate NSwag (Swagger toolchain for.