69 lines
1.2 KiB
Go
69 lines
1.2 KiB
Go
package rest
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import (
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"encoding/json"
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"errors"
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"fmt"
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"log/slog"
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"net/http"
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)
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type ErrorType string
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const (
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ErrorTypeUndefinded = ""
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ErrorTypeValidation = "VALIDATION"
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ErrorTypeNotFound = "NOT_FOUND"
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ErrorTypeServerError = "SERVER_ERROR"
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)
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type Error struct {
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Type ErrorType `json:"type"`
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Message string `json:"message"`
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err error
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}
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func WrappErr(err error, errorType ErrorType, message string) *Error {
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return &Error{
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Type: errorType,
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Message: message,
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err: err,
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}
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}
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func (e Error) Unwrap() error {
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return e.err
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}
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func (e Error) Error() string {
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return fmt.Sprintf("%s: %s", e.Message, e.err.Error())
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}
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func (e Error) StatusCode() int {
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switch e.Type {
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case ErrorTypeValidation:
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return http.StatusBadRequest
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case ErrorTypeNotFound:
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return http.StatusNotFound
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default:
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return http.StatusInternalServerError
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}
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}
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func SendErr(w http.ResponseWriter, err error) {
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restErr := &Error{}
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if !errors.As(err, &restErr) {
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slog.Error("internal server error", "err", err)
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restErr = &Error{
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Type: ErrorTypeServerError,
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}
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}
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w.WriteHeader(restErr.StatusCode())
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w.Header().Add("Content-Type", "application/json")
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err = json.NewEncoder(w).Encode(restErr)
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slog.Error("could not send error", "err", err)
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}
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