fix errors

utils/error.go

@@ -1,6 +1,7 @@
 package utils
 
 import (
+	"fmt"
 	"io"
 	"net/http"
 	"strconv"
@@ -9,30 +10,34 @@ import (
 	"codeberg.org/rimgo/rimgo/static"
 )
 
-func RenderError(w http.ResponseWriter, r *http.Request, code int) error {
+func RenderError(w http.ResponseWriter, r *http.Request, code int, str ...string) (err error) {
+	if len(str) != 1 {
+		str = []string{""}
+	}
+	codeStr := "generic"
+	if code == 0 {
+		code = 500
+	}
+	if code != 500 {
+		codeStr = strconv.Itoa(code)
+	}
 	if !Accepts(r, "text/html") && r.PathValue("extension") != "" {
-		codeStr := "generic"
-		if code != 0 {
-			codeStr = strconv.Itoa(code)
-		}
 		w.Header().Set("Content-Type", "image/png")
 		w.WriteHeader(code)
 		file, _ := static.GetFiles().Open("img/error-" + codeStr + ".png")
 		defer file.Close()
-		_, err := io.Copy(w, file)
-		if err != nil {
-			// panic on error to avoid a loop
-			panic(err)
-		}
+		_, err = io.Copy(w, file)
+
 	} else {
 		w.WriteHeader(code)
-		err := render.Render(w, "errors/"+strconv.Itoa(code), map[string]any{
+		err = render.Render(w, "errors/"+codeStr, map[string]any{
 			"path": r.URL.Path,
+			"err":  str[0],
 		})
-		if err != nil {
-			// panic on error to avoid a loop
-			panic(err)
-		}
+	}
+	if err != nil {
+		// don't panic or return error, it will loop
+		fmt.Println("error in RenderError: " + err.Error())
 	}
 	return nil
 }