From 2813577c4c59c4bc486be0a6601e187ff36a0a41 Mon Sep 17 00:00:00 2001
From: 6543 <6543@obermui.de>
Date: Tue, 27 Aug 2019 17:39:58 +0200
Subject: [PATCH] first fersion of algo finished

---
 sortt.js | 32 ++++++++++++++++++++++++++++++--
 1 file changed, 30 insertions(+), 2 deletions(-)

diff --git a/sortt.js b/sortt.js
index a8dc120..7b121ac 100644
--- a/sortt.js
+++ b/sortt.js
@@ -20,6 +20,10 @@ window.sortt=function(normsort,revsort,isdefault){
   if (!(typeof isdefault  === 'boolean')) isdefault = false;
 
   // parse URL
+  /*  script check if url has already a sort=
+        NO: if sort=“” indikates default (with * prefix) set url_sort=
+        YES: set url_sort variable
+  */
   url_sort="";
   if (window.location.search.indexOf("sort=") < 0) {
     if ( isdefault ) url_sort = normsort;
@@ -28,8 +32,32 @@ window.sortt=function(normsort,revsort,isdefault){
     url_sort=url_sort.substr(0,url_sort.indexOf("&"));
   }
 
+  // generate new URL
+  /*  script check if url_sort and sort attribute is same
+        YES: check if reverse attribute exist -> YES: generate URL with reverse sort param and open
+        NO: generate URL with sort param and open
+  */
+  url_new = window.location.protocol + "//" + window.location.host + window.location.pathname;
+  if (window.location.search.length == 0) {
+    if (url_sort != normsort) {
+      url_new += "?sort=" + normsort
+    } else if (revsort != "") {
+      url_new += "?sort=" + revsort
+    }
+  } else {
+    tmp = window.location.search.substr(window.location.search.indexOf("sort=")+5);
+    if (tmp.indexOf("&") >= 0) {
+      tmp = tmp.substr(tmp.indexOf("&"));
+    } else {
+      tmp = "";
+    }
 
+    if (url_sort != normsort) {
+      url_new = tmp.substr(0,window.location.search.indexOf("sort=")+5) + normsort + tmp;
+    } else if (revsort != "") {
+      url_new = tmp.substr(0,window.location.search.indexOf("sort=")+5) + revsort + tmp;
+    }
+  }
 
-
-  //window.location.replace("http://localhost:3000/admin/repos?sort=feweststars&q=&tab=");
+  window.location.replace(url_new);
 };