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Set the correct height/width if the data is available when generating opengraph metadata

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This commit is contained in:
Mark Felder 2021-06-08 16:58:33 -05:00
parent aa8cc4e86e
commit d70db63084
2 changed files with 37 additions and 5 deletions
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22
lib/pleroma/web/metadata/providers/open_graph.ex
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@ -69,8 +69,7 @@ defp build_attachments(%{data: %{"attachment" => attachments}}) do
Enum.reduce(attachments, [], fn attachment, acc ->
rendered_tags =
Enum.reduce(attachment["url"], [], fn url, acc ->
# 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
# TODO: 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 Utils.fetch_media_type(@media_types, url["mediaType"]) do
"audio" ->
@ -85,12 +84,14 @@ defp build_attachments(%{data: %{"attachment" => attachments}}) do
{:meta, [property: "og:image:alt", content: attachment["name"]], []}
| acc
]
|> maybe_add_dimensions(url)
"video" ->
[
{:meta, [property: "og:video", content: Utils.attachment_url(url["href"])], []}
| acc
]
|> maybe_add_dimensions(url)
_ ->
acc
@ -102,4 +103,21 @@ defp build_attachments(%{data: %{"attachment" => attachments}}) do
end
defp build_attachments(_), do: []
# We can use url["mediaType"] to dynamically fill the metadata
defp maybe_add_dimensions(metadata, url) do
type = url["mediaType"] |> String.split("/") |> List.first()
cond do
!is_nil(url["height"]) && !is_nil(url["width"]) ->
metadata ++
[
{:meta, [property: "og:#{type}:width", content: "#{url["width"]}"], []},
{:meta, [property: "og:#{type}:height", content: "#{url["height"]}"], []}
]
true ->
metadata
end
end
end

20
test/pleroma/web/metadata/providers/open_graph_test.exs
View file

@ -22,7 +22,12 @@ test "it renders all supported types of attachments and skips unknown types" do
"attachment" => [
%{
"url" => [
%{"mediaType" => "image/png", "href" => "https://pleroma.gov/tenshi.png"}
%{
"mediaType" => "image/png",
"href" => "https://pleroma.gov/tenshi.png",
"height" => 1024,
"width" => 1280
}
]
},
%{
@ -35,7 +40,12 @@ test "it renders all supported types of attachments and skips unknown types" do
},
%{
"url" => [
%{"mediaType" => "video/webm", "href" => "https://pleroma.gov/about/juche.webm"}
%{
"mediaType" => "video/webm",
"href" => "https://pleroma.gov/about/juche.webm",
"height" => 600,
"width" => 800
}
]
},
%{
@ -55,11 +65,15 @@ test "it renders all supported types of attachments and skips unknown types" do
assert Enum.all?(
[
{:meta, [property: "og:image", content: "https://pleroma.gov/tenshi.png"], []},
{:meta, [property: "og:image:width", content: "1280"], []},
{:meta, [property: "og:image:height", content: "1024"], []},
{:meta,
[property: "og:audio", content: "http://www.gnu.org/music/free-software-song.au"],
[]},
{:meta, [property: "og:video", content: "https://pleroma.gov/about/juche.webm"],
[]}
[]},
{:meta, [property: "og:video:width", content: "800"], []},
{:meta, [property: "og:video:height", content: "600"], []}
],
fn element -> element in result end
)