created hws module

hws/errors.go

@@ -0,0 +1,39 @@
+package hws
+
+import "net/http"
+
+type HWSError struct {
+	statusCode int    // HTTP Status code
+	message    string // Error message
+	error      error  // Error
+}
+
+type ErrorPage func(statusCode int, w http.ResponseWriter, r *http.Request) error
+
+func NewError(statusCode int, msg string, err error) *HWSError {
+	return &HWSError{
+		statusCode: statusCode,
+		message:    msg,
+		error:      err,
+	}
+}
+
+func (server *Server) AddErrorPage(page ErrorPage) {
+	server.errorPage = page
+}
+
+func (server *Server) ThrowError(w http.ResponseWriter, r *http.Request, error *HWSError) {
+	w.WriteHeader(error.statusCode)
+	server.logger.logger.Error().Err(error.error).Msg(error.message)
+	if server.errorPage != nil {
+		err := server.errorPage(error.statusCode, w, r)
+		if err != nil {
+			server.logger.logger.Error().Err(err).Msg("Failed to render error page")
+		}
+	}
+}
+
+func (server *Server) ThrowWarn(w http.ResponseWriter, error *HWSError) {
+	w.WriteHeader(error.statusCode)
+	server.logger.logger.Warn().Err(error.error).Msg(error.message)
+}