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mirror of synced 2024-11-22 13:06:05 +03:00
mg-transport-api-client-go/v1/errors.go
2022-10-27 09:52:25 +03:00

78 lines
1.4 KiB
Go

package v1
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
)
var defaultErrorMessage = "http client error"
var internalServerError = "internal server error"
var marshalError = "cannot unmarshal response body"
type MGErrors struct {
Errors []string
}
type HTTPClientError struct {
ErrorMsg string
BaseError error
Response io.Reader
}
func (err *HTTPClientError) Unwrap() error {
return err.BaseError
}
func (err *HTTPClientError) Error() string {
message := defaultErrorMessage
if err.BaseError != nil {
message = fmt.Sprintf("%s: %s", defaultErrorMessage, err.BaseError.Error())
} else if len(err.ErrorMsg) > 0 {
message = err.ErrorMsg
}
return message
}
func NewCriticalHTTPError(err error) error {
return &HTTPClientError{BaseError: err}
}
func NewAPIClientError(responseBody []byte) error {
var data MGErrors
var message string
if len(responseBody) == 0 {
message = internalServerError
} else {
err := json.Unmarshal(responseBody, &data)
if err != nil {
message = marshalError
} else if len(data.Errors) > 0 {
message = data.Errors[0]
}
}
return &HTTPClientError{ErrorMsg: message}
}
func NewServerError(response *http.Response) error {
var serverError *HTTPClientError
body, _ := buildLimitedRawResponse(response)
err := NewAPIClientError(body)
if errors.As(err, &serverError) && len(body) > 0 {
serverError.Response = bytes.NewBuffer(body)
return serverError
}
return err
}