Pinned posts now work for visitors in the intended way

include/conversation.php

@@ -801,10 +801,12 @@ function conversation(App $a, array $items, Pager $pager, $mode, $update, $previ
 /**
  * Fetch all comments from a query. Additionally set the newest resharer as thread owner.
  *
- * @param $thread_items Database statement with thread posts
+ * @param array   $thread_items Database statement with thread posts
+ * @param boolean $pinned       Is the item pinned?
+ *
  * @return array items with parents and comments
  */
-function conversation_fetch_comments($thread_items) {
+function conversation_fetch_comments($thread_items, $pinned) {
 	$comments = [];
 	$parentlines = [];
 	$lineno = 0;
@@ -822,6 +824,10 @@ function conversation_fetch_comments($thread_items) {
 			$parentlines[] = $lineno;
 		}
 
+		if ($row['gravity'] == GRAVITY_PARENT) {
+			$row['pinned'] = $pinned;
+		}
+
 		$comments[] = $row;
 		$lineno++;
 	}
@@ -872,7 +878,7 @@ function conversation_add_children(array $parents, $block_authors, $order, $uid)
 
 		$thread_items = Item::selectForUser(local_user(), array_merge(Item::DISPLAY_FIELDLIST, ['contact-uid', 'gravity']), $condition, $params);
 
-		$comments = conversation_fetch_comments($thread_items);
+		$comments = conversation_fetch_comments($thread_items, $parent['pinned'] ?? false);
 
 		if (count($comments) != 0) {
 			$items = array_merge($items, $comments);

src/Model/Item.php

@@ -148,11 +148,13 @@ class Item extends BaseObject
 	 *
 	 * @param integer $uid       User ID
 	 * @param array   $selected  Array of selected fields, empty for all
+	 * @param array   $condition Array of fields for condition
+	 * @param array   $params    Array of several parameters
 	 *
 	 * @return boolean|object
 	 * @throws \Exception
 	 */
-	public static function selectPinned(int $uid, array $selected = [])
+	public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
 	{
 		$useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
 		if (!DBA::isResult($useritems)) {
@@ -165,7 +167,25 @@ class Item extends BaseObject
 		}
 		DBA::close($useritems);
 
-		return self::selectThreadForUser($uid, $selected, ['iid' => $pinned]);
+		if (empty($pinned)) {
+			return [];
+		}
+
+		if (empty($condition) || !is_array($condition)) {
+			$condition = ['iid' => $pinned];
+		} else {
+			reset($condition);
+			$first_key = key($condition);
+			if (!is_int($first_key)) {
+				$condition['iid'] = $pinned;
+			} else {
+				$values_string = substr(str_repeat("?, ", count($pinned)), 0, -2);
+				$condition[0] = '(' . $condition[0] . ") AND `iid` IN (" . $values_string . ")";
+				$condition = array_merge($condition, $pinned);
+			}
+		}
+
+		return self::selectThreadForUser($uid, $selected, $condition, $params);
 	}
 
 	/**

src/Module/Profile.php

@@ -350,7 +350,7 @@ class Profile extends BaseModule
 		$items = DBA::toArray($items_stmt);
 
 		if ($pager->getStart() == 0 && !empty($a->profile['profile_uid'])) {
-			$pinned_items = Item::selectPinned($a->profile['profile_uid'], ['uri']);
+			$pinned_items = Item::selectPinned($a->profile['profile_uid'], ['uri', 'pinned'], ['true' . $sql_extra]);
 			$pinned = Item::inArray($pinned_items);
 			$items = array_merge($items, $pinned);
 		}

src/Object/Post.php

@@ -193,6 +193,8 @@ class Post extends BaseObject
 			if (DBA::isResult($parent)) {
 				$origin = $parent['origin'];
 			}
+		} elseif ($item['pinned']) {
+			$pinned = L10n::t('pinned item');
 		}
 
 		if ($origin && ($item['id'] != $item['parent']) && ($item['network'] == Protocol::ACTIVITYPUB)) {
@@ -288,10 +290,6 @@ class Post extends BaseObject
 
 				if ($conv->getProfileOwner() == local_user() && ($item['uid'] != 0)) {
 					if ($origin) {
-						if ($item['pinned']) {
-							$pinned = L10n::t('pinned item');
-						}
-
 						$ispinned = ($item['pinned'] ? 'pinned' : 'unpinned');
 
 						$pin = [