Add an apply button to the new Audit log page (#532)

* Add an apply button to the new Audit log page

* The button is not actually called "Apply"

auditlog.php

@@ -69,11 +69,19 @@
       <!-- /.box -->
     </div>
     <div class="col-md-12">
-        <p><strong>Important:</strong> Note that black- and whitelisted domains are not automatically applied on this page to avoid restarting the DNS service too often. Instead, go to <a href="http://pi.hole/admin/gravity.php">Update Lists</a> and run the update, to have the new settings become effective.</p>
+        <p><strong>Important:</strong> Note that black- and whitelisted domains are not automatically applied on this page to avoid restarting the DNS service too often. Instead, click on this button, to have the new settings become effective:</p>
+
     </div>
     <!-- /.col -->
 </div>
 <!-- /.row -->
+<div class="container">
+  <div class="row justify-content-md-right">
+    <div class="col-2">
+      <button class="btn btn-lg btn-primary btn-block" id="gravityBtn" disabled="true">Update black-/whitelists</button>
+    </div>
+  </div>
+</div>
 <?php
     require "scripts/pi-hole/php/footer.php";
 ?>

gravity.php

@@ -1,4 +1,4 @@
-<?php /* 
+<?php /*
 *    Pi-hole: A black hole for Internet advertisements
 *    (c) 2017 Pi-hole, LLC (https://pi-hole.net)
 *    Network-wide ad blocking via your own hardware.
@@ -9,7 +9,7 @@
 ?>
 <!-- Title -->
 <div class="page-header">
-    <h1>Update list of ad-serving domains</h1>
+    <h1>Update list of ad-serving domains / blacklist / whitelist</h1>
 </div>
 
 <!-- Alerts -->

scripts/pi-hole/js/auditlog.js

@@ -89,9 +89,10 @@ $(document).ready(function() {
 
     $("#domain-frequency tbody").on( "click", "button", function () {
         var url = ($(this).parents("tr"))[0].innerText.split("	")[0];
-        if($(this).context.innerText === "Blacklist")
+        if($(this).context.innerText === " Blacklist")
         {
             add(url,"black");
+            $("#gravityBtn").prop("disabled", false);
         }
         else
         {
@@ -101,9 +102,10 @@ $(document).ready(function() {
 
     $("#ad-frequency tbody").on( "click", "button", function () {
         var url = ($(this).parents("tr"))[0].innerText.split("	")[0].split(" ")[0];
-        if($(this).context.innerText === "Whitelist")
+        if($(this).context.innerText === " Whitelist")
         {
             add(url,"white");
+            $("#gravityBtn").prop("disabled", false);
         }
         else
         {
@@ -111,3 +113,8 @@ $(document).ready(function() {
         }
     });
 });
+
+
+$("#gravityBtn").on("click", function() {
+    window.location.replace("gravity.php?go");
+});