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43 lines
1.5 KiB
Elixir
43 lines
1.5 KiB
Elixir
defimpl Mobilizon.Service.Metadata, for: Mobilizon.Actors.Actor do
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alias Phoenix.HTML
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alias Phoenix.HTML.Tag
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alias Mobilizon.Actors.Actor
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alias Mobilizon.Web.JsonLD.ObjectView
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alias Mobilizon.Web.MediaProxy
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def build_tags(%Actor{} = actor, _locale \\ "en") do
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[
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Tag.tag(:meta, property: "og:title", content: Actor.display_name_and_username(actor)),
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Tag.tag(:meta, property: "og:url", content: actor.url),
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Tag.tag(:meta, property: "og:description", content: actor.summary),
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Tag.tag(:meta, property: "og:type", content: "profile"),
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Tag.tag(:meta, property: "profile:username", content: actor.preferred_username),
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Tag.tag(:meta, property: "twitter:card", content: "summary")
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]
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|> maybe_add_avatar(actor)
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|> maybe_add_group_schema(actor)
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end
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@spec maybe_add_avatar(list(Tag.t()), Actor.t()) :: list(Tag.t())
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defp maybe_add_avatar(tags, actor) do
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if is_nil(actor.avatar) do
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tags
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else
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tags ++
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[Tag.tag(:meta, property: "og:image", content: actor.avatar.url |> MediaProxy.url())]
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end
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end
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defp maybe_add_group_schema(tags, %Actor{type: :Group} = group) do
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tags ++ [~s{<script type="application/ld+json">#{json(group)}</script>} |> HTML.raw()]
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end
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defp maybe_add_group_schema(tags, _), do: tags
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# Insert JSON-LD schema by hand because Tag.content_tag wants to escape it
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defp json(%Actor{} = group) do
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"group.json"
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|> ObjectView.render(%{group: group})
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|> Jason.encode!()
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end
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end
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