Merge OGP parser with TwitterCard

lib/pleroma/web/rich_media/parser.ex

@@ -105,8 +105,8 @@ defmodule Pleroma.Web.RichMedia.Parser do
   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}
+        data when data != %{} -> {:halt, data}
+        _ -> {:cont, acc}
       end
     end)
   end

lib/pleroma/web/rich_media/parsers/meta_tags_parser.ex

@@ -3,22 +3,15 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.RichMedia.Parsers.MetaTagsParser do
-  def parse(html, data, prefix, error_message, key_name, value_name \\ "content") do
-    meta_data =
-      html
-      |> get_elements(key_name, prefix)
-      |> Enum.reduce(data, fn el, acc ->
-        attributes = normalize_attributes(el, prefix, key_name, value_name)
+  def parse(data, html, prefix, key_name, value_name \\ "content") do
+    html
+    |> get_elements(key_name, prefix)
+    |> Enum.reduce(data, fn el, acc ->
+      attributes = normalize_attributes(el, prefix, key_name, value_name)
 
-        Map.merge(acc, attributes)
-      end)
-      |> maybe_put_title(html)
-
-    if Enum.empty?(meta_data) do
-      {:error, error_message}
-    else
-      {:ok, meta_data}
-    end
+      Map.merge(acc, attributes)
+    end)
+    |> maybe_put_title(html)
   end
 
   defp get_elements(html, key_name, prefix) do

lib/pleroma/web/rich_media/parsers/oembed_parser.ex

@@ -7,9 +7,9 @@ defmodule Pleroma.Web.RichMedia.Parsers.OEmbed do
     with elements = [_ | _] <- get_discovery_data(html),
          {:ok, oembed_url} <- get_oembed_url(elements),
          {:ok, oembed_data} <- get_oembed_data(oembed_url) do
-      {:ok, oembed_data}
+      oembed_data
     else
-      _e -> {:error, "No OEmbed data found"}
+      _e -> %{}
     end
   end
 

lib/pleroma/web/rich_media/parsers/ogp.ex

@@ -5,10 +5,9 @@
 defmodule Pleroma.Web.RichMedia.Parsers.OGP do
   def parse(html, data) do
     Pleroma.Web.RichMedia.Parsers.MetaTagsParser.parse(
-      html,
       data,
+      html,
       "og",
-      "No OGP metadata found",
       "property"
     )
   end

lib/pleroma/web/rich_media/parsers/twitter_card.ex

@@ -5,18 +5,11 @@
 defmodule Pleroma.Web.RichMedia.Parsers.TwitterCard do
   alias Pleroma.Web.RichMedia.Parsers.MetaTagsParser
 
-  @spec parse(String.t(), map()) :: {:ok, map()} | {:error, String.t()}
+  @spec parse(list(), map()) :: map()
   def parse(html, data) do
     data
-    |> parse_name_attrs(html)
-    |> parse_property_attrs(html)
-  end
-
-  defp parse_name_attrs(data, html) do
-    MetaTagsParser.parse(html, data, "twitter", %{}, "name")
-  end
-
-  defp parse_property_attrs({_, data}, html) do
-    MetaTagsParser.parse(html, data, "twitter", "No twitter card metadata found", "property")
+    |> MetaTagsParser.parse(html, "og", "property")
+    |> MetaTagsParser.parse(html, "twitter", "name")
+    |> MetaTagsParser.parse(html, "twitter", "property")
   end
 end