Default stream sort by created_at instead of id

protected/humhub/modules/content/migrations/m210928_162609_stream_sort_idx.php

@@ -0,0 +1,43 @@
+<?php
+
+use yii\db\Migration;
+
+/**
+ * Class m210928_162609_stream_sort_idx
+ */
+class m210928_162609_stream_sort_idx extends Migration
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function safeUp()
+    {
+        $this->createIndex('idx_stream_created', 'content', 'created_at', false);
+        $this->createIndex('idx_stream_updated', 'content', 'stream_sort_date', false);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function safeDown()
+    {
+        echo "m210928_162609_stream_sort_idx cannot be reverted.\n";
+
+        return false;
+    }
+
+    /*
+    // Use up()/down() to run migration code without a transaction.
+    public function up()
+    {
+
+    }
+
+    public function down()
+    {
+        echo "m210928_162609_stream_sort_idx cannot be reverted.\n";
+
+        return false;
+    }
+    */
+}

protected/humhub/modules/content/models/Content.php

@@ -221,7 +221,7 @@ public function beforeSave($insert)
             $this->created_by ??= Yii::$app->user->id;
         }
 
-        $this->stream_sort_date = date('Y-m-d G:i:s');
+        $this->stream_sort_date = date('Y-m-d H:i:s');
 
         if ($this->created_by == "") {
             throw new Exception("Could not save content without created_by!");
@@ -1033,7 +1033,7 @@ public function checkGuestAccess()
      */
     public function updateStreamSortTime()
     {
-        $this->updateAttributes(['stream_sort_date' => date('Y-m-d G:i:s')]);
+        $this->updateAttributes(['stream_sort_date' => date('Y-m-d H:i:s')]);
     }
 
     /**

protected/humhub/modules/stream/models/StreamQuery.php

@@ -524,6 +524,9 @@ protected function setupCriteria()
             return;
         }
 
+        /**
+         * Setup Sorting
+         */
         /**
          * Setup Sorting
          */
@@ -549,13 +552,28 @@ protected function setupCriteria()
                     ], [':to' => $this->to]);
             }
         } else {
-            $this->_query->orderBy('content.id DESC');
+            $this->_query->orderBy('content.created_at DESC,content.id DESC');
             if (!empty($this->from)) {
-                $this->_query->andWhere("content.id < :from", [':from' => $this->from]);
+                $this->_query->andWhere(
+                    ['or',
+                        "content.created_at < (SELECT created_at FROM content wd WHERE wd.id=:from)",
+                        ['and',
+                            "content.created_at = (SELECT created_at FROM content wd WHERE wd.id=:from)",
+                            "content.id > :from"
+                        ],
+                    ], [':from' => $this->from]);
             } elseif (!empty($this->to)) {
-                $this->_query->andWhere("content.id > :to", [':to' => $this->to]);
+                $this->_query->andWhere(
+                    ['or',
+                        "content.created_at > (SELECT created_at FROM content wd WHERE wd.id=:to)",
+                        ['and',
+                            "content.created_at = (SELECT created_at FROM content wd WHERE wd.id=:to)",
+                            "content.id < :to"
+                        ],
+                    ], [':to' => $this->to]);
             }
         }
+
     }
 
     /**