admin: uploads/edit_note: re-render posts' htmls when note is changed

handler/AdminHandler.php

@@ -323,6 +323,13 @@ class AdminHandler extends request_handler {
         csrf_check('editupl'.$id);
 
         $upload->setNote($lang, $note);
+        $texts = posts::getWithUpload($upload);
+        if (!empty($texts)) {
+            foreach ($texts as $text) {
+                $text->updateHtml();
+                $text->updateText();
+            }
+        }
 
         admin_log(new \AdminActions\UploadsEditNote($id, $note, $lang->value));
         redirect('/admin/uploads/');

lib/posts.php

@@ -327,4 +327,43 @@ class posts {
         return $posts;
     }
 
+    static function getPostTextsById(array $ids, bool $flat = false): array {
+        if (empty($ids)) {
+            return [];
+        }
+
+        $db = DB();
+        $posts = array_fill_keys($ids, null);
+
+        $q = $db->query("SELECT * FROM posts_texts WHERE id IN(".implode(',', $ids).")");
+
+        while ($row = $db->fetch($q)) {
+            $posts[(int)$row['id']] = new PostText($row);
+        }
+
+        if ($flat) {
+            $list = [];
+            foreach ($ids as $id) {
+                $list[] = $posts[$id];
+            }
+            unset($posts);
+            return $list;
+        }
+
+        return $posts;
+    }
+
+    /**
+     * @param Upload $upload
+     * @return PostText[]  Array of PostTexts that includes specified upload
+     */
+    static function getWithUpload(Upload $upload): array {
+        $db = DB();
+        $q = $db->query("SELECT id FROM posts_texts WHERE md LIKE '%{image,{$upload->randomId}%'");
+        $ids = [];
+        while ($row = $db->fetch($q))
+            $ids[] = (int)$row['id'];
+        return self::getPostTextsById($ids, true);
+    }
+
 }