apidotnet101

using Microsoft.EntityFrameworkCore;
using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;

var builder = WebApplication.CreateBuilder(args);

// ne pas oublier d'ajouter la dépendance nuget dotnet add package Microsoft.EntityFrameworkCore.InMemory
// et dotnet add package Microsoft.AspNetCore.Authentication.JwtBearer
// Enregistrement du DbContext
builder.Services.AddDbContext<PersonContext>(opt =>
    opt.UseInMemoryDatabase("PeopleDb"));

var app = builder.Build();

// Ajout de personnes au démarrage (données de test)
using (var scope = app.Services.CreateScope())
{
    var db = scope.ServiceProvider.GetRequiredService<PersonContext>();

    // Ajoute des personnes seulement si la base est vide
    if (!db.Person.Any())
    {
        db.Person.AddRange(
            new Person { Name = "Alice" },
            new Person { Name = "Bob" },
            new Person { Name = "Charlie" }
        );
        db.SaveChanges();
    }
}

var group = app.MapGroup("/");

group.MapGet("/", async (PersonContext db) =>
{
    return await db.Person.ToListAsync();
});

group.MapGet("/{id}", async (int id, PersonContext db) =>
{
    var person = await db.Person.FindAsync(id);
    return person is not null ? Results.Ok(person) : Results.NotFound();
});

group.MapPost("/create", async (Person person, PersonContext db) =>
{
    db.Person.Add(person);
    await db.SaveChangesAsync();
    return Results.Created($"/people/{person.Id}", person);
});

app.Run();

// Classe Person
public class Person
{
    public int Id { get; set; }
    public string Name { get; set; }
}

// DbContext
public class PersonContext : DbContext
{
    public PersonContext(DbContextOptions<PersonContext> options)
        : base(options) { }

    public DbSet<Person> Person { get; set; }
}