cleanup some inconsistent errors

backend/app/api/handlers/v1/partials.go

@@ -6,7 +6,6 @@ import (
 	"github.com/go-chi/chi/v5"
 	"github.com/google/uuid"
 	"github.com/hay-kot/homebox/backend/internal/sys/validate"
-	"github.com/rs/zerolog/log"
 )
 
 // routeID extracts the ID from the request URL. If the ID is not in a valid
@@ -22,8 +21,7 @@ func (ctrl *V1Controller) routeID(r *http.Request) (uuid.UUID, error) {
 func (ctrl *V1Controller) routeUUID(r *http.Request, key string) (uuid.UUID, error) {
 	ID, err := uuid.Parse(chi.URLParam(r, key))
 	if err != nil {
-		log.Err(err).Msg("failed to parse id")
-		return uuid.Nil, validate.ErrInvalidID
+		return uuid.Nil, validate.NewInvalidRouteKeyError(key)
 	}
 	return ID, nil
 }

backend/app/api/handlers/v1/v1_ctrl_auth.go

@@ -121,7 +121,7 @@ func (ctrl *V1Controller) HandleAuthRefresh() server.HandlerFunc {
 
 		newToken, err := ctrl.svc.User.RenewToken(r.Context(), requestToken)
 		if err != nil {
-			return validate.UnauthorizedError()
+			return validate.NewUnauthorizedError()
 		}
 
 		return server.Respond(w, http.StatusOK, newToken)

backend/internal/sys/validate/errors.go

@@ -5,12 +5,38 @@ import (
 	"errors"
 )
 
-func UnauthorizedError() error {
-	return errors.New("unauthorized")
+type UnauthorizedError struct {
 }
 
-// ErrInvalidID occurs when an ID is not in a valid form.
-var ErrInvalidID = errors.New("ID is not in its proper form")
+func (err *UnauthorizedError) Error() string {
+	return "unauthorized"
+}
+
+func IsUnauthorizedError(err error) bool {
+	var re *UnauthorizedError
+	return errors.As(err, &re)
+}
+
+func NewUnauthorizedError() error {
+	return &UnauthorizedError{}
+}
+
+type InvalidRouteKeyError struct {
+	key string
+}
+
+func (err *InvalidRouteKeyError) Error() string {
+	return "invalid route key: " + err.key
+}
+
+func NewInvalidRouteKeyError(key string) error {
+	return &InvalidRouteKeyError{key}
+}
+
+func IsInvalidRouteKeyError(err error) bool {
+	var re *InvalidRouteKeyError
+	return errors.As(err, &re)
+}
 
 // ErrorResponse is the form used for API responses from failures in the API.
 type ErrorResponse struct {

backend/internal/web/mid/errors.go

@@ -1,7 +1,6 @@
 package mid
 
 import (
-	"errors"
 	"net/http"
 
 	"github.com/hay-kot/homebox/backend/ent"
@@ -24,10 +23,15 @@ func Errors(log zerolog.Logger) server.Middleware {
 					Msg("ERROR occurred")
 
 				switch {
-				case errors.Is(err, validate.ErrInvalidID):
+				case validate.IsUnauthorizedError(err):
+					code = http.StatusUnauthorized
+					resp = server.ErrorResponse{
+						Error: "unauthorized",
+					}
+				case validate.IsInvalidRouteKeyError(err):
 					code = http.StatusBadRequest
 					resp = server.ErrorResponse{
-						Error: "invalid id parameter",
+						Error: err.Error(),
 					}
 				case validate.IsFieldError(err):
 					fieldErrors := err.(validate.FieldErrors)