1 files changed, 33 insertions, 0 deletions
diff --git a/lib/pleroma/web/rich_media/parser.ex b/lib/pleroma/web/rich_media/parser.ex
new file mode 100644
index 000000000..3746feaf6
--- /dev/null
+++ b/lib/pleroma/web/rich_media/parser.ex
@@ -0,0 +1,33 @@
+defmodule Pleroma.Web.RichMedia.Parser do
+  @parsers [Pleroma.Web.RichMedia.Parsers.OGP]
+
+  if Mix.env() == :test do
+    def parse(url), do: parse_url(url)
+  else
+    def parse(url),
+      do: {:commit, Cachex.fetch!(:rich_media_cache, url, fn _ -> parse_url(url) end)}
+  end
+
+  defp parse_url(url) do
+    {:ok, %Tesla.Env{body: html}} = Pleroma.HTTP.get(url)
+
+    html |> maybe_parse() |> get_parsed_data()
+  end
+
+  defp maybe_parse(html) do
+    Enum.reduce_while(@parsers, %{}, fn parser, acc ->
+      case parser.parse(html, acc) do
+        {:ok, data} -> {:halt, data}
+        {:error, _msg} -> {:cont, acc}
+      end
+    end)
+  end
+
+  defp get_parsed_data(data) when data == %{} do
+    {:error, "No metadata found"}
+  end
+
+  defp get_parsed_data(data) do
+    {:ok, data}
+  end
+end