Problem Details for HTTP APIs (v11.2.5)

[kataras]

• Implements: [New Feature] Problem Details for HTTP APIs #1335
• Wiki: https://github.com/kataras/iris/wiki/Routing-error-handlers#the-problem-type

Example Code:

func newProductProblem(productName, detail string) iris.Problem {
    return iris.NewProblem().
        // The type URI, if relative it automatically convert to absolute.
        Type("/product-error"). 
        // The title, if empty then it gets it from the status code.
        Title("Product validation problem").
        // Any optional details.
        Detail(detail).
        // The status error code, required.
        Status(iris.StatusBadRequest).
        // Any custom key-value pair.
        Key("productName", productName)
        // Optional cause of the problem, chain of Problems.
        // .Cause(other iris.Problem)
}

func fireProblem(ctx iris.Context) {
    ctx.Problem(newProductProblem("product name", "problem error details"))
}

{
  "type": "https://host.domain/product-error",
  "status": 400,
  "title": "Product validation problem",
  "detail": "problem error details",
  "productName": "product name"
}