Strongly typed params - declaration

[EwenQuim]

Additional context

Linked to #356. It's the "declaration/registration" part of the same issue.

Is your feature request related to a problem? Please describe.

Create a function that registers parameters in the openapi3.Operation and BaseRoute.OpenAPIParams.

Cf spec in #119

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

[TheRanomial]

Could I take on this issue?I am a web3 developer and also an open source contributor.

[EwenQuim]

OK no problem! Just know that it is a hard issue 😉

[TheRanomial]

I am currently working on this issue but having a hard time knowing what exactly is the requirement.Can you please elaborate and guide me.

[TheRanomial]

`
func (c netHttpContextWithParams[T]) Params() (T, error) {
var t T
typeOfT := reflect.TypeOf(t)
valueOfT := reflect.New(typeOfT).Elem()

for i := 0; i < typeOfT.NumField(); i++ {
	field := typeOfT.Field(i)
	fieldValue := valueOfT.Field(i)

	if headerKey, ok := field.Tag.Lookup("header"); ok {
		if headerValue := c.Request().Header.Get(headerKey); headerValue != "" {
			fieldValue.SetString(headerValue)
		}
	}

	if queryKey, ok := field.Tag.Lookup("query"); ok {
		if queryValue := c.Request().URL.Query().Get(queryKey); queryValue != "" {
			if fieldValue.Kind() == reflect.Ptr {
				if fieldValue.Type().Elem().Kind() == reflect.Int {
					intVal, err := strconv.Atoi(queryValue)
					if err != nil {
						return t, err
					}
					fieldValue.Set(reflect.ValueOf(&intVal))
				} else {
					fieldValue.Set(reflect.ValueOf(&queryValue))
				}
			} else {
				fieldValue.SetString(queryValue)
			}
		}
	}

	if cookieKey, ok := field.Tag.Lookup("cookie"); ok {
		if cookie, err := c.Request().Cookie(cookieKey); err == nil {
			fieldValue.SetString(cookie.Value)
		}
	}
}

return valueOfT.Interface().(T), nil

}`

[EwenQuim]

Must look like this but please add it to openapi3.Operation, like in the function OptionParam!