- MVC와 달리 Model Binder가 없다.
- https://juliocasal.com/blog/Global-Error-Handling-In-AspNet-Core-APIs.html*
- https://www.milanjovanovic.tech/blog/global-error-handling-in-aspnetcore-8
- https://learn.microsoft.com/ko-kr/aspnet/core/fundamentals/error-handling?view=aspnetcore-8.0#produce-a-problemdetails-payload-for-exceptions
var builder = WebApplication.CreateBuilder(args);
builder.Services.Configure<RouteHandlerOptions>(o => o.ThrowOnBadRequest = true);
builder.Services.AddExceptionHandler<BadRequestExceptionHandler>();
builder.Services.AddExceptionHandler<GlobalExceptionHandler>();
builder.Services.AddProblemDetails(options =>
options.CustomizeProblemDetails = context =>
context.ProblemDetails.Extensions["traceId"] =
Activity.Current?.Id ?? context.HttpContext.TraceIdentifier);
var app = builder.Build();
app.UseExceptionHandler();- https://github.com/Carl-Hugo/FluentValidation.AspNetCore.Http
dotnet add package ForEvolve.FluentValidation.AspNetCore.Http
var root = app.MapGroup("/")
.AddFluentValidationFilter();
root.MapPost(...)JsonIgnoreCondition.WhenReadingNull이 추가될 예정도 없음- https://stackoverflow.com/questions/77516935/ignore-json-null-value-in-system-text-json-deserialize
builder.Services.ConfigureHttpJsonOptions(options => {
options.SerializerOptions.WriteIndented = true;
options.SerializerOptions.IncludeFields = true;
options.SerializerOptions.PreferredObjectCreationHandling = JsonObjectCreationHandling.Populate;
options.SerializerOptions.TypeInfoResolver = new DefaultJsonTypeInfoResolver
{
Modifiers = { InterceptNullSetter }
};
});builder.Services.AddProblemDetails(options =>
options.CustomizeProblemDetails = (context) =>
{
if (!context.ProblemDetails.Extensions.ContainsKey("traceId"))
{
string? traceId = Activity.Current?.Id ?? context.HttpContext.TraceIdentifier;
context.ProblemDetails.Extensions.Add(new KeyValuePair<string, object?>("traceId", traceId));
}
}
);Create
---------------------------------------------------------------------
Success - 201 Created - Return created object
Failure - 400 Invalid request - Return details about the failure
Async fire and forget operation - 202 Accepted - Optionally return url for polling status
Update
---------------------------------------------------------------------
Success - 200 Ok - Return the updated object
Success - 204 NoContent
Failure - 404 NotFound - The targeted entity identifier does not exist
Failure - 400 Invalid request - Return details about the failure
Async fire and forget operation - 202 Accepted - Optionally return url for polling status
Patch
---------------------------------------------------------------------
Success - 200 Ok - Return the patched object
Success - 204 NoContent
Failure - 404 NotFound - The targeted entity identifier does not exist
Failure - 400 Invalid request - Return details about the failure
Async fire and forget operation - 202 Accepted - Optionally return url for polling status
Delete
---------------------------------------------------------------------
Success - 200 Ok - No content
Success - 200 Ok - When element attempting to be deleted does not exist
Async fire and forget operation - 202 Accepted - Optionally return url for polling status
Get
---------------------------------------------------------------------
Success - 200 Ok - With the list of resulting entities matching the search criteria
Success - 200 Ok - With an empty array
Get specific
---------------------------------------------------------------------
Success - 200 Ok - The entity matching the identifier specified is returned as content
Failure - 404 NotFound - No content
Action
---------------------------------------------------------------------
Success - 200 Ok - Return content where appropriate
Success - 204 NoContent
Failure - 400 - Return details about the failure
Async fire and forget operation - 202 Accepted - Optionally return url for polling status
Generic results
---------------------------------------------------------------------
Authorization error 401 Unauthorized
Authentication error 403 Forbidden
For methods not supported 405
Generic server error 500
- https://devblogs.microsoft.com/dotnet/author/martintomka/
- https://learn.microsoft.com/ko-kr/dotnet/core/resilience/http-resilience
Microsoft.Extensions.Http.Resilience패키지 사용(암시적으로 polly를 사용함)Chaos Engineering
https://levelup.gitconnected.com/a-best-practice-for-designing-interfaces-in-net-c-2c6ebdb4f1c1