package model

import (
	"errors"
	"fmt"
)

var ErrMissingFromHeader = errors.New("missing From header")
var ErrAlreadyExists = errors.New("already exists")
var ErrNotFound = errors.New("not found")
var ErrInvalidInput = errors.New("invalid input")

// Wrap solves the `defer r.Close()` issue by returning the error value to the caller.
// Idea used from: https://cs.opensource.google/go/x/pkgsite/+/refs/tags/v0.5.0:internal/derrors/derrors.go;l=240
func Wrap(errFunc func() error, errp *error, format string, args ...any) {
	if errFunc == nil {
		return
	}

	tmpErr := errFunc()
	if tmpErr != nil {
		*errp = fmt.Errorf("%s: %w", fmt.Sprintf(format, args...), tmpErr)
	}
}