From 4af316b9339d4cd09a290549ae223affe61b0d90 Mon Sep 17 00:00:00 2001
From: Damyan Ivanov <dmn@debian.org>
Date: Sun, 6 Mar 2022 08:56:05 +0000
Subject: [PATCH] fix item/list version/data tracking when adding/modifying
 list items

avoids some spurious refresh requests
---
 public/javascripts/lsl.js | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/public/javascripts/lsl.js b/public/javascripts/lsl.js
index e57005c..c0125de 100644
--- a/public/javascripts/lsl.js
+++ b/public/javascripts/lsl.js
@@ -19,7 +19,10 @@ function uri_id(uri) {
     return m ? m[1] : null;
 }
 function add_list_item(data) {
-    var item = $('<li>').addClass('list-item-row').data('item', data);
+    var item = $('<li>').addClass('list-item-row').data({
+        'lsl-uri': data.uri,
+        'lsl-version': data.version,
+        'lsl-done': data.done});
     var cb = $('<input type="checkbox">');
     if (data.done) cb.prop('checked', true);
     item.append(cb);
@@ -234,17 +237,16 @@ function handle_new_list_submission(){
 }
 function new_list_item_submission_done(data) {
     got_lists_version(data.lists_version);
+    selected_list.data('lsl-version', selected_list.data('lsl-version') + 1 );
     got_list_version(data.list_version);
 
-    var item_data = selected_list.data('items');
-
     var new_item = {
         description: $('#new-list-item input[type="text"]').val().trim(),
         done: $('#new-list-item input[type="checkbox"]').prop('checked'),
         version: 1,
+        uri: data.uri,
     };
-    item_data.items.push(new_item);
-    item_data.version = data.version;
+    selected_list.data('lsl-items').push(new_item);
     add_list_item(new_item);
 
     $('#new-list-item input').val('');
@@ -264,18 +266,18 @@ function handle_new_list_item_submission(){
 function handle_list_item_state_changed(ev) {
     var item = $(ev.target).closest('li');
     var cb = item.find('input[type="checkbox"]');
-    var item_data = item.data('item');
 
-    $.ajax(item_data.uri,
+    $.ajax(item.data('lsl-uri'),
         {   type: 'PUT',
             data: JSON.stringify({
-                version: item_data.version,
+                version: item.data('lsl-version'),
                 done: cb.prop('checked')})
         }
     )
     .done(function(resp){
-        item_data.version = resp.version;
+        item.data('lsl-version', resp.version);
         got_lists_version(resp.lists_version);
+        selected_list.data('lsl-version', selected_list.data('lsl-version')+1);
         got_list_version(resp.list_version);
     });
 }
-- 
2.39.5