fixed Metadata.Utils.scrub_html_and_truncate

lib/pleroma/web/metadata/utils.ex

@@ -15,6 +15,7 @@ def scrub_html_and_truncate(%{data: %{"content" => content}} = object) do
     |> String.replace(~r/<br\s?\/?>/, " ")
     |> HTML.get_cached_stripped_html_for_activity(object, "metadata")
     |> Emoji.Formatter.demojify()
+    |> HtmlEntities.decode()
     |> Formatter.truncate()
   end
 
@@ -25,6 +26,7 @@ def scrub_html_and_truncate(content, max_length \\ 200) when is_binary(content)
     |> String.replace(~r/<br\s?\/?>/, " ")
     |> HTML.strip_tags()
     |> Emoji.Formatter.demojify()
+    |> HtmlEntities.decode()
     |> Formatter.truncate(max_length)
   end
 

test/web/metadata/utils_test.exs

@@ -0,0 +1,32 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.Metadata.UtilsTest do
+  use Pleroma.DataCase
+  import Pleroma.Factory
+  alias Pleroma.Web.Metadata.Utils
+
+  describe "scrub_html_and_truncate/1" do
+    test "it returns text without encode HTML" do
+      user = insert(:user)
+
+      note =
+        insert(:note, %{
+          data: %{
+            "actor" => user.ap_id,
+            "id" => "https://pleroma.gov/objects/whatever",
+            "content" => "Pleroma's really cool!"
+          }
+        })
+
+      assert Utils.scrub_html_and_truncate(note) == "Pleroma's really cool!"
+    end
+  end
+
+  describe "scrub_html_and_truncate/2" do
+    test "it returns text without encode HTML" do
+      assert Utils.scrub_html_and_truncate("Pleroma's really cool!") == "Pleroma's really cool!"
+    end
+  end
+end