From 51c877099e1875e1238afdc335369c191f816b84 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20P=C3=A9ters?= <fpeters@entrouvert.com>
Date: Sun, 7 Apr 2019 11:30:33 +0200
Subject: [PATCH] search: don't repeat same query on different events (#32044)

---
 combo/apps/search/templates/combo/search-cell.html | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/combo/apps/search/templates/combo/search-cell.html b/combo/apps/search/templates/combo/search-cell.html
index f10cefd0..dcb559f8 100644
--- a/combo/apps/search/templates/combo/search-cell.html
+++ b/combo/apps/search/templates/combo/search-cell.html
@@ -13,6 +13,7 @@
 <script>
 $(function() {
   var timeout;
+  var last_search = null;
   var $form = $('#combo-search-form-{{ cell.pk }}');
   var $input = $('#combo-search-input-{{ cell.pk }}');
   {% for search_service in cell.search_services %}
@@ -22,12 +23,15 @@ $(function() {
   {% endfor %}
 
   function update() {
+    var new_search = $input.val();
+    if (new_search == last_search) return;
+    last_search = new_search;
     $form.addClass('searching');
     var count = {{ cell.search_services|length }};
     {% for search_service in cell.search_services %}
     if (xhr_{{ forloop.counter }}) xhr_{{ forloop.counter }}.abort();
     xhr_{{ forloop.counter }} = $.get(url_{{ forloop.counter }},
-      {'q': $input.val()},
+      {'q': new_search},
       function (response) {
         xhr_{{ forloop.counter }} = null;
         $results_{{ forloop.counter }}.html(response);
@@ -49,6 +53,7 @@ $(function() {
     update(this);
   });
   $form.on('submit', function() {
+    last_search = null;  // make explicit submit search in all cases
     clearTimeout(timeout);
     update();
     return false;