# 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.OpenGraph do
alias Pleroma.Web.Metadata.Utils
@behaviour Provider
+ @media_types ["image", "audio", "video"]
@impl Provider
def build_tags(%{
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.
# Also, Whatsapp only wants JPEG or PNGs. It seems that if we add a second og:image
# object when a Video or GIF is attached it will display that in Whatsapp Rich Preview.
- case media_type do
+ case Utils.fetch_media_type(@media_types, url["mediaType"]) do
"audio" ->
[
- {:meta,
- [property: "og:" <> media_type, content: Utils.attachment_url(url["href"])], []}
+ {:meta, [property: "og:audio", content: Utils.attachment_url(url["href"])], []}
| acc
]
"image" ->
[
- {:meta,
- [property: "og:" <> media_type, content: Utils.attachment_url(url["href"])], []},
+ {:meta, [property: "og:image", content: Utils.attachment_url(url["href"])], []},
{:meta, [property: "og:image:width", content: 150], []},
{:meta, [property: "og:image:height", content: 150], []}
| acc
"video" ->
[
- {:meta,
- [property: "og:" <> media_type, content: Utils.attachment_url(url["href"])], []}
+ {:meta, [property: "og:video", content: Utils.attachment_url(url["href"])], []}
| acc
]
acc ++ rendered_tags
end)
end
+
+ defp build_attachments(_), do: []
end