RSCG – MinimalApis.Discovery

name MinimalApis.Discovery
nuget https://www.nuget.org/packages/MinimalApis.Discovery/
link https://github.com/shawnwildermuth/MinimalApis
author Shawn Wildermuth

Controller like API registering

 

This is how you can use MinimalApis.Discovery .

The code that you start with is

?
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
<Project Sdk="Microsoft.NET.Sdk.Web">
 
  <PropertyGroup>
    <TargetFramework>net8.0</TargetFramework>
    <Nullable>enable</Nullable>
    <ImplicitUsings>enable</ImplicitUsings>
  </PropertyGroup>
 
  <ItemGroup>
    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.4" />
    <PackageReference Include="MinimalApis.Discovery" Version="1.0.7" />
    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
  </ItemGroup>
    <PropertyGroup>
        <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
        <CompilerGeneratedFilesOutputPath>$(BaseIntermediateOutputPath)\GX</CompilerGeneratedFilesOutputPath>
    </PropertyGroup>
</Project>

The code that you will use is

?
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
using Microsoft.AspNetCore.Http.HttpResults;
using MinimalApis.Discovery;
namespace APIDemo;
 
public class PersonAPI : IApi
{
    public void Register(IEndpointRouteBuilder builder)
    {
        var grp = builder.MapGroup("/api/Person");
        grp.MapGet("", GetFromId);
        grp.MapGet("{id:int}", GetFromId);
        //todo: add more routes
    }
    public static async Task<Person[]> GetAll()
    {      
        await Task.Delay(1000);
        return new[] { new Person { FirstName = "Ignat", LastName = "Andrei" } };
    }
 
    public static async Task<Results<Ok<Person>,NotFound<string>>> GetFromId(int id)
    {
        await Task.Delay(1000);
        if (id == 1)
        {
            return TypedResults.Ok<Person>(new Person { FirstName = "Ignat", LastName = "Andrei" });
        }
        return TypedResults.NotFound<string>("Person not found");
    }
}
?
1
2
3
4
5
6
7
namespace APIDemo;
 
public class Person
{
    public string? FirstName { get; set; }
    public string? LastName { get; set; }
}
?
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
using MinimalApis.Discovery;
 
var builder = WebApplication.CreateBuilder(args);
 
// Add services to the container.
// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();
 
var app = builder.Build();
 
// Configure the HTTP request pipeline.
//if (app.Environment.IsDevelopment())
{
    app.UseSwagger();
    app.UseSwaggerUI();
}
 
//app.UseHttpsRedirection();
 
var summaries = new[]
{
    "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
};
 
app.MapGet("/weatherforecast", () =>
{
    var forecast = Enumerable.Range(1, 5).Select(index =>
        new WeatherForecast
        (
            DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
            Random.Shared.Next(-20, 55),
            summaries[Random.Shared.Next(summaries.Length)]
        ))
        .ToArray();
    return forecast;
})
.WithName("GetWeatherForecast")
.WithOpenApi();
 
app.MapApis();
 
app.Run();
 
internal record WeatherForecast(DateOnly Date, int TemperatureC, string? Summary)
{
    public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
}

 

The code that is generated is

?
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
// <auto-generated/>
using System;
using Microsoft.AspNetCore.Builder;
 
namespace MinimalApis.Discovery
{
  public static class MinimalApisDiscoveryGeneratedExtensions
  {
    public static WebApplication MapApis(this WebApplication app)
    {
      // Call Register on all classes that implement IApi
      new global::APIDemo.PersonAPI().Register(app);
      return app;
    }
  }
}

Code and pdf at

https://ignatandrei.github.io/RSCG_Examples/v2/docs/MinimalApis.Discovery