refine login

modules/fontane/index-viewer.xqm

@@ -204,7 +204,11 @@ return
 };
 
 declare function local:login($col) {
-if(false() = xmldb:login($col, config:get('sade.user'), config:get("sade.password")))
-then (xmldb:login($col, "admin", ""))
+(: check for db availability :)
+if(httpclient:get(xs:anyURI("http://localhost:8080"), false(), ())/@statusCode = 200)
+then
+    if(false() = xmldb:login($col, config:get('sade.user'), config:get("sade.password")))
+    then (xmldb:login($col, "admin", ""))
+    else true()
 else true()
 };