+ @hackney_options [
+ pool: :media,
+ recv_timeout: 2_000,
+ max_body: 2_000_000,
+ with_body: true
+ ]
+
+ defp parsers do
+ Pleroma.Config.get([:rich_media, :parsers])
+ end
+
+ def parse(nil), do: {:error, "No URL provided"}
+
+ if Pleroma.Config.get(:env) == :test do
+ def parse(url), do: parse_url(url)
+ else
+ def parse(url) do
+ try do
+ Cachex.fetch!(:rich_media_cache, url, fn _ ->
+ {:commit, parse_url(url)}
+ end)
+ |> set_ttl_based_on_image(url)
+ rescue
+ e ->
+ {:error, "Cachex error: #{inspect(e)}"}
+ end
+ end
+ end
+
+ @doc """
+ Set the rich media cache based on the expiration time of image.
+
+ Adopt behaviour `Pleroma.Web.RichMedia.Parser.TTL`
+
+ ## Example
+
+ defmodule MyModule do
+ @behaviour Pleroma.Web.RichMedia.Parser.TTL
+ def ttl(data, url) do
+ image_url = Map.get(data, :image)
+ # do some parsing in the url and get the ttl of the image
+ # and return ttl is unix time
+ parse_ttl_from_url(image_url)
+ end
+ end
+
+ Define the module in the config
+
+ config :pleroma, :rich_media,
+ ttl_setters: [MyModule]
+ """
+ def set_ttl_based_on_image({:ok, data}, url) do
+ with {:ok, nil} <- Cachex.ttl(:rich_media_cache, url),
+ ttl when is_number(ttl) <- get_ttl_from_image(data, url) do
+ Cachex.expire_at(:rich_media_cache, url, ttl * 1000)
+ {:ok, data}
+ else
+ _ ->
+ {:ok, data}
+ end
+ end