Ween Jiann 11d29eb22b
[go-server] Feat: add required assertions to models (#10068)
* Add RequiredError

* Add IsZeroValue helper

* Add AssertRequired method to all models

* Add AssertRequired call for body param

* Regenerate files

* Add DisallowUnknownFields

* Regenerate samples

* Use hasRequired in model to remove unnecessary code

* Revert disallowUnknownFields

* Use isAdditionalPropertiesTrue for disallowing unknown fields

* Updated samples

* Fix indent

* Add require checks for nested slices

* Add new tests

* Regenerate samples

* Regenerate samples after merging
2021-08-07 21:29:14 +08:00

63 lines
2.1 KiB
Go

/*
* OpenAPI Petstore
*
* This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
*
* API version: 1.0.0
* Generated by: OpenAPI Generator (https://openapi-generator.tech)
*/
package petstoreserver
import (
"errors"
"fmt"
"net/http"
)
var (
// ErrTypeAssertionError is thrown when type an interface does not match the asserted type
ErrTypeAssertionError = errors.New("unable to assert type")
)
// ParsingError indicates that an error has occurred when parsing request parameters
type ParsingError struct {
Err error
}
func (e *ParsingError) Unwrap() error {
return e.Err
}
func (e *ParsingError) Error() string {
return e.Err.Error()
}
// RequiredError indicates that an error has occurred when parsing request parameters
type RequiredError struct {
Field string
}
func (e *RequiredError) Error() string {
return fmt.Sprintf("required field '%s' is zero value.", e.Field)
}
// ErrorHandler defines the required method for handling error. You may implement it and inject this into a controller if
// you would like errors to be handled differently from the DefaultErrorHandler
type ErrorHandler func(w http.ResponseWriter, r *http.Request, err error, result *ImplResponse)
// DefaultErrorHandler defines the default logic on how to handle errors from the controller. Any errors from parsing
// request params will return a StatusBadRequest. Otherwise, the error code originating from the servicer will be used.
func DefaultErrorHandler(w http.ResponseWriter, r *http.Request, err error, result *ImplResponse) {
if _, ok := err.(*ParsingError); ok {
// Handle parsing errors
EncodeJSONResponse(err.Error(), func(i int) *int { return &i }(http.StatusBadRequest), map[string][]string{}, w)
} else if _, ok := err.(*RequiredError); ok {
// Handle missing required errors
EncodeJSONResponse(err.Error(), func(i int) *int { return &i }(http.StatusUnprocessableEntity), map[string][]string{}, w)
} else {
// Handle all other errors
EncodeJSONResponse(err.Error(), &result.Code, result.Headers, w)
}
}