Endless scrolling on contact pages

diff --git a/src/Model/Contact.php b/src/Model/Contact.php
index 6fde8123a1b21c049d336851718e82506de655a2..221211358ea784eb5d8e9bd13d6ad84a38c7a5dc 100644 (file)
--- a/src/Model/Contact.php
+++ b/src/Model/Contact.php
@@ -23,9 +23,11 @@ namespace Friendica\Model;
 
 use Friendica\App\BaseURL;
 use Friendica\Content\Pager;
+use Friendica\Content\Text\HTML;
 use Friendica\Core\Hook;
 use Friendica\Core\Logger;
 use Friendica\Core\Protocol;
+use Friendica\Core\Renderer;
 use Friendica\Core\Session;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
@@ -1283,6 +1285,11 @@ class Contact
                if ($thread_mode) {
                        $condition = ["(`$contact_field` = ? OR (`causer-id` = ? AND `post-type` = ?)) AND `gravity` = ? AND " . $sql,
                                $cid, $cid, Item::PT_ANNOUNCEMENT, GRAVITY_PARENT, local_user()];
+
+                       $last_received = isset($_GET['last_received']) ? DateTimeFormat::utc($_GET['last_received']) : '';
+                       if (!empty($last_received)) {
+                               $condition = DBA::mergeConditions($condition, ["`received` < ?", $last_received]);
+                       }
                } else {
                        $condition = ["`$contact_field` = ? AND `gravity` IN (?, ?) AND " . $sql,
                                $cid, GRAVITY_PARENT, GRAVITY_COMMENT, local_user()];
@@ -1302,6 +1309,13 @@ class Contact
                        'limit' => [$pager->getStart(), $pager->getItemsPerPage()]];
 
                if ($thread_mode) {
+                       if (DI::pConfig()->get(local_user(), 'system', 'infinite_scroll')) {
+                               $tpl = Renderer::getMarkupTemplate('infinite_scroll_head.tpl');
+                               $o = Renderer::replaceMacros($tpl, ['$reload_uri' => DI::args()->getQueryString()]);
+                       } else {
+                               $o = '';
+                       }
+               
                        $r = Item::selectForUser(local_user(), ['uri', 'gravity', 'parent-uri'], $condition, $params);
                        $items = [];
                        while ($item = DBA::fetch($r)) {
@@ -1315,7 +1329,7 @@ class Contact
                        }
                        DBA::close($r);
 
-                       $o = conversation($a, $items, 'contacts', $update, false, 'commented', local_user());
+                       $o .= conversation($a, $items, 'contacts', $update, false, 'commented', local_user());
                } else {
                        $r = Item::selectForUser(local_user(), [], $condition, $params);
 
@@ -1325,7 +1339,11 @@ class Contact
                }
 
                if (!$update) {
-                       $o .= $pager->renderMinimal(count($items));
+                       if ($thread_mode && DI::pConfig()->get(local_user(), 'system', 'infinite_scroll')) {
+                               $o .= HTML::scrollLoader();
+                       } else {
+                               $o .= $pager->renderMinimal(count($items));
+                       }
                }
 
                return $o;