41 lines
1 KiB
Elixir
41 lines
1 KiB
Elixir
defmodule Pleroma.Web.Metadata do
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alias Phoenix.HTML
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@parsers Pleroma.Config.get([:metadata, :providers], [])
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def get_cached_tags(%{user: user} = params) do
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# I am unsure how well ETS works with big keys
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# We don't need to use the both activity and a user since the object can't change it's content
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key = :erlang.term_to_binary(user)
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Cachex.fetch!(:metadata_cache, key, fn _key ->
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{:commit, build_tags(params)}
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end)
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end
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def build_tags(params) do
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Enum.reduce(@parsers, "", fn parser, acc ->
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rendered_html =
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params
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|> parser.build_tags()
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|> Enum.map(&to_tag/1)
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|> Enum.map(&HTML.safe_to_string/1)
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|> Enum.join()
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acc <> rendered_html
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end)
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end
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def to_tag(data) do
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with {name, attrs, _content = []} <- data do
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HTML.Tag.tag(name, attrs)
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else
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{name, attrs, content} ->
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HTML.Tag.content_tag(name, content, attrs)
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_ ->
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raise ArgumentError, message: "make_tag invalid args"
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end
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end
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end
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