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error.go
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error.go
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/*
shottower
Copyright (C) 2022 Rémy Boulanouar
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Shottower
*
* Shottower is the open source version of Shotstack which is a video, image and audio editing service that allows for the automated generation of videos, images and audio using JSON and a RESTful API. You arrange and configure an edit and POST it to the API which will render your media and provide a file location when complete. For more details visit [shottower](https://github.com/DblK/shottower) or checkout our [getting started](https://shotstack.io/docs/guide/) documentation. There are two main API's, one for editing and generating assets (Edit API) and one for managing hosted assets (Serve API). The Edit API base URL is: <b>http://0.0.0.0:4000/{version}</b> The Serve API base URL is: <b>http://0.0.0.0:4000/serve/{version}</b>
*
* API version: stage
* Generated by: OpenAPI Generator (https://openapi-generator.tech)
*/
package openapi
import (
"errors"
"fmt"
"net/http"
"github.com/spf13/cast"
)
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 {
Schema string
Field string
}
func (e *RequiredError) Error() string {
return fmt.Sprintf("required field [%s].'%s' is zero value.", e.Schema, e.Field)
}
type EnumError struct {
Schema string
Field string
Value interface{}
}
func (e *EnumError) Error() string {
return fmt.Sprintf("enum field [%s].'%s' has not authorized value '%s'.", e.Schema, e.Field, cast.ToString(e.Value))
}
// 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), w)
} else if _, ok := err.(*RequiredError); ok {
// Handle missing required errors
_ = EncodeJSONResponse(err.Error(), func(i int) *int { return &i }(http.StatusUnprocessableEntity), w)
} else if _, ok := err.(*EnumError); ok {
// Handle missing required errors
_ = EncodeJSONResponse(err.Error(), func(i int) *int { return &i }(http.StatusUnprocessableEntity), w)
} else {
// Handle all other errors
_ = EncodeJSONResponse(err.Error(), &result.Code, w)
}
}