- with {:ok, data} <- Cachex.fetch(:rich_media_cache, url, fn _ -> parse_url(url) end) do
- data
- else
- _e ->
- {:error, "Parsing error"}
+ 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