public void Configure(IApplicationBuilder app)
{
app.UseRouting();
app.UseEndpoints(endpoints =>
{
endpoints.MapGet("/people/{id:int}", async context =>
{
var personId = int.Parse(context.Request.RouteValues["id"].ToString() !);
await HalJsonGenerator.HalHandler(context, new Person
{
Id = personId,
FirstName = "Test",
LastName = "User"
});
});
endpoints.MapGet("/people/{id:int}/address", async context =>
{
await HalJsonGenerator.HalHandler(context, new Address
{
FirstLine = "Some First Line",
SecondLine = "Some Second Line"
});
});
});
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
app.UseRouting();
app.UseEndpoints(endpoints =>
{
endpoints.MapGet("/people", async context =>
{
var peopleRepo = context.RequestServices.GetRequiredService <PeopleRepository>();
var model = peopleRepo.List(new Paging());
await HalJsonGenerator.HalHandler(context, model);
});
endpoints.MapGet("/people/{id:int}", async context =>
{
var peopleRepo = context.RequestServices.GetRequiredService <PeopleRepository>();
var personId = int.Parse(context.Request.RouteValues["id"].ToString());
var model = peopleRepo.Get(personId);
await HalJsonGenerator.HalHandler(context, model);
});
endpoints.MapGet("/people/{id:int}/addresses", async context =>
{
var peopleRepo = context.RequestServices.GetRequiredService <PeopleRepository>();
var personId = int.Parse(context.Request.RouteValues["id"].ToString());
var person = peopleRepo.Get(personId);
var addresses = person.Addresses;
var paging = new Paging();
var model = new PagedList <Address>
{
CurrentPage = paging.Page,
TotalItems = addresses.Length,
TotalPages = (int)Math.Ceiling(addresses.Length / (double)paging.PageSize),
Items = addresses
};
await HalJsonGenerator.HalHandler(context, model);
});
endpoints.MapGet("/people/{id:int}/addresses/{addressid:int}", async context =>
{
var peopleRepo = context.RequestServices.GetRequiredService <PeopleRepository>();
var personId = int.Parse(context.Request.RouteValues["id"].ToString());
var person = peopleRepo.Get(personId);
var addressId = int.Parse(context.Request.RouteValues["addressid"].ToString());
var model = person.Addresses.FirstOrDefault(x => x.Id == addressId);
await HalJsonGenerator.HalHandler(context, model);
});
});
}
public async Task ProducesJsonDocumentWhenHalRepresentationIsNotAvailable()
{
var httpContext = CreateHttpContext();
await HalJsonGenerator.HalHandler(httpContext, new DummyModel
{
Id = 123,
Property = "Test"
});
httpContext.Response.ContentType.Should().Be("application/json");
var rawJson = await ReadHttpResponseBody(httpContext.Response);
rawJson.Should().NotBeEmpty();
}
public async Task UsesJsonSerializerOptionsFromRequestServices()
{
// JsonSerializerOptions uses PascalCase by default, Hallo default is camelCase
_services.AddSingleton(new JsonSerializerOptions());
var httpContext = CreateHttpContext();
await HalJsonGenerator.HalHandler(httpContext, new DummyModel
{
Id = 123,
Property = "Test"
});
var rawJson = await ReadHttpResponseBody(httpContext.Response);
var json = JsonDocument.Parse(rawJson).RootElement;
json.TryGetProperty("Id", out _).Should().BeTrue();
json.TryGetProperty("Property", out _).Should().BeTrue();
}
public async Task ProducesHalJsonDocument()
{
_services.AddTransient <Hal <DummyModel>, FullRepresentation>();
var httpContext = CreateHttpContext();
await HalJsonGenerator.HalHandler(httpContext, new DummyModel
{
Id = 123,
Property = "Test"
});
httpContext.Response.ContentType.Should().Be("application/hal+json");
var rawJson = await ReadHttpResponseBody(httpContext.Response);
var json = JsonDocument.Parse(rawJson).RootElement;
json.TryGetProperty("_links", out _).Should().BeTrue();
json.TryGetProperty("_embedded", out _).Should().BeTrue();
}
/// <inheritdoc cref="SystemTextJsonOutputFormatter"/>
public override async Task WriteAsync(OutputFormatterWriteContext context)
{
await HalJsonGenerator.HalHandler(context.HttpContext, context.Object);
}
