Merge remote-tracking branch 'remotes/origin/develop' into 1560-non-federating-instan...

[akkoma] / lib / pleroma / web / metadata / twitter_card.ex

diff --git a/lib/pleroma/web/metadata/twitter_card.ex b/lib/pleroma/web/metadata/twitter_card.ex
index 040b872e7034d840705ffb324628d223a9f197b3..5d08ce422ea11b8e59a83b162c2fd3af3eb09ffe 100644 (file)
--- a/lib/pleroma/web/metadata/twitter_card.ex
+++ b/lib/pleroma/web/metadata/twitter_card.ex
@@ -1,5 +1,6 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.Metadata.Providers.TwitterCard do
@@ -9,13 +10,10 @@ defmodule Pleroma.Web.Metadata.Providers.TwitterCard do
   alias Pleroma.Web.Metadata.Utils
 
   @behaviour Provider
+  @media_types ["image", "audio", "video"]
 
   @impl Provider
-  def build_tags(%{
-        activity_id: id,
-        object: object,
-        user: user
-      }) do
+  def build_tags(%{activity_id: id, object: object, user: user}) do
     attachments = build_attachments(id, object)
     scrubbed_content = Utils.scrub_html_and_truncate(object)
     # Zero width space
@@ -27,22 +25,13 @@ defmodule Pleroma.Web.Metadata.Providers.TwitterCard do
       end
 
     [
-      {:meta,
-       [
-         property: "twitter:title",
-         content: Utils.user_name_string(user)
-       ], []},
-      {:meta,
-       [
-         property: "twitter:description",
-         content: content
-       ], []}
+      title_tag(user),
+      {:meta, [property: "twitter:description", content: content], []}
     ] ++
       if attachments == [] or Metadata.activity_nsfw?(object) do
         [
-          {:meta,
-           [property: "twitter:image", content: Utils.attachment_url(User.avatar_url(user))], []},
-          {:meta, [property: "twitter:card", content: "summary_large_image"], []}
+          image_tag(user),
+          {:meta, [property: "twitter:card", content: "summary"], []}
         ]
       else
         attachments
@@ -53,30 +42,28 @@ defmodule Pleroma.Web.Metadata.Providers.TwitterCard do
   def build_tags(%{user: user}) do
     with truncated_bio = Utils.scrub_html_and_truncate(user.bio || "") do
       [
-        {:meta,
-         [
-           property: "twitter:title",
-           content: Utils.user_name_string(user)
-         ], []},
+        title_tag(user),
         {:meta, [property: "twitter:description", content: truncated_bio], []},
-        {:meta, [property: "twitter:image", content: Utils.attachment_url(User.avatar_url(user))],
-         []},
+        image_tag(user),
         {:meta, [property: "twitter:card", content: "summary"], []}
       ]
     end
   end
 
+  defp title_tag(user) do
+    {:meta, [property: "twitter:title", content: Utils.user_name_string(user)], []}
+  end
+
+  def image_tag(user) do
+    {:meta, [property: "twitter:image", content: Utils.attachment_url(User.avatar_url(user))], []}
+  end
+
   defp build_attachments(id, %{data: %{"attachment" => attachments}}) do
     Enum.reduce(attachments, [], fn attachment, acc ->
       rendered_tags =
         Enum.reduce(attachment["url"], [], fn url, acc ->
-          media_type =
-            Enum.find(["image", "audio", "video"], fn media_type ->
-              String.starts_with?(url["mediaType"], media_type)
-            end)
-
           # TODO: Add additional properties to objects when we have the data available.
-          case media_type do
+          case Utils.fetch_media_type(@media_types, url["mediaType"]) do
             "audio" ->
               [
                 {:meta, [property: "twitter:card", content: "player"], []},
@@ -117,6 +104,8 @@ defmodule Pleroma.Web.Metadata.Providers.TwitterCard do
     end)
   end
 
+  defp build_attachments(_id, _object), do: []
+
   defp player_url(id) do
     Pleroma.Web.Router.Helpers.o_status_url(Pleroma.Web.Endpoint, :notice_player, id)
   end