update to new webserver module

internal/handler/errorpage.go

@@ -3,14 +3,16 @@ package handler
 import (
 	"net/http"
 	"projectreshoot/internal/view/page"
+
+	"git.haelnorr.com/h/golib/hws"
+	"github.com/pkg/errors"
 )
 
 func ErrorPage(
 	errorCode int,
-	w http.ResponseWriter,
-	r *http.Request,
-) {
-	message := map[int]string{
+) (hws.ErrorPage, error) {
+	messages := map[int]string{
+		400: "The request you made was malformed or unexpected.",
 		401: "You need to login to view this page.",
 		403: "You do not have permission to view this page.",
 		404: "The page or resource you have requested does not exist.",
@@ -18,25 +20,9 @@ func ErrorPage(
         continues to happen contact an administrator.`,
 		503: "The server is currently down for maintenance and should be back soon. =)",
 	}
-	w.WriteHeader(errorCode)
-	page.Error(errorCode, http.StatusText(errorCode), message[errorCode]).
-		Render(r.Context(), w)
-}
-
-func NewErrorPage(
-	errorCode int,
-	w http.ResponseWriter,
-	r *http.Request,
-) error {
-	message := map[int]string{
-		401: "You need to login to view this page.",
-		403: "You do not have permission to view this page.",
-		404: "The page or resource you have requested does not exist.",
-		500: `An error occured on the server. Please try again, and if this
-        continues to happen contact an administrator.`,
-		503: "The server is currently down for maintenance and should be back soon. =)",
+	msg, exists := messages[errorCode]
+	if !exists {
+		return nil, errors.New("No valid message for the given code")
 	}
-	w.WriteHeader(errorCode)
-	return page.Error(errorCode, http.StatusText(errorCode), message[errorCode]).
-		Render(r.Context(), w)
+	return page.Error(errorCode, http.StatusText(errorCode), msg), nil
 }