Move maybe_add_content_map out of Transmogrifier, use code from tusooa's branch for MapOfString

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

lib/pleroma/ecto_type/activity_pub/object_validators/map_of_string.ex

@@ -0,0 +1,48 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.EctoType.ActivityPub.ObjectValidators.MapOfString do
+  use Ecto.Type
+
+  import Pleroma.Web.CommonAPI.Utils, only: [is_good_locale_code?: 1]
+
+  def type, do: :map
+
+  def cast(%{} = object) do
+    with {status, %{} = data} when status in [:modified, :ok] <- validate_map(object) do
+      {:ok, data}
+    else
+      {_, nil} -> {:ok, nil}
+      {:error, _} -> :error
+    end
+  end
+
+  def cast(_), do: :error
+
+  def dump(data), do: {:ok, data}
+
+  def load(data), do: {:ok, data}
+
+  defp validate_map(%{} = object) do
+    {status, data} =
+      object
+      |> Enum.reduce({:ok, %{}}, fn
+        {lang, value}, {status, acc} when is_binary(lang) and is_binary(value) ->
+          if is_good_locale_code?(lang) do
+            {status, Map.put(acc, lang, value)}
+          else
+            {:modified, acc}
+          end
+
+        _, {_status, acc} ->
+          {:modified, acc}
+      end)
+
+    if data == %{} do
+      {status, nil}
+    else
+      {status, data}
+    end
+  end
+end

lib/pleroma/web/activity_pub/object_validators/article_note_page_validator.ex

@@ -87,6 +87,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.ArticleNotePageValidator do
     |> Transmogrifier.fix_emoji()
     |> Transmogrifier.fix_content_map()
     |> CommonFixes.maybe_add_language(meta)
+    |> CommonFixes.maybe_add_content_map()
   end
 
   def changeset(struct, data, meta \\ []) do

lib/pleroma/web/activity_pub/object_validators/common_fields.ex

@@ -31,6 +31,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.CommonFields do
   defmacro object_fields do
     quote bind_quoted: binding() do
       field(:content, :string)
+      field(:contentMap, ObjectValidators.MapOfString)
 
       field(:published, ObjectValidators.DateTime)
       field(:updated, ObjectValidators.DateTime)

lib/pleroma/web/activity_pub/object_validators/common_fixes.ex

@@ -11,6 +11,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes do
   alias Pleroma.Web.ActivityPub.Utils
 
   import Pleroma.Web.CommonAPI.Utils, only: [is_good_locale_code?: 1]
+  import Pleroma.Web.Utils.Guards, only: [not_empty_string: 1]
 
   def cast_and_filter_recipients(message, field, follower_collection, field_fallback \\ []) do
     {:ok, data} = ObjectValidators.Recipients.cast(message[field] || field_fallback)
@@ -118,4 +119,11 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes do
   end
 
   defp get_language_from_content_map(_), do: nil
+
+  def maybe_add_content_map(%{"language" => language, "content" => content} = object)
+       when not_empty_string(language) do
+    Map.put(object, "contentMap", Map.put(%{}, language, content))
+  end
+
+  def maybe_add_content_map(object), do: object
 end

lib/pleroma/web/activity_pub/object_validators/event_validator.ex

@@ -26,32 +26,34 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EventValidator do
     end
   end
 
-  def cast_and_apply(data) do
+  def cast_and_apply(data, meta \\ []) do
     data
-    |> cast_data
+    |> cast_data(meta)
     |> apply_action(:insert)
   end
 
-  def cast_and_validate(data) do
+  def cast_and_validate(data, meta \\ []) do
     data
-    |> cast_data()
+    |> cast_data(meta)
     |> validate_data()
   end
 
-  def cast_data(data) do
+  def cast_data(data, meta \\ []) do
     %__MODULE__{}
-    |> changeset(data)
+    |> changeset(data, meta)
   end
 
-  defp fix(data) do
+  defp fix(data, meta) do
     data
     |> CommonFixes.fix_actor()
     |> CommonFixes.fix_object_defaults()
     |> Transmogrifier.fix_emoji()
+    |> CommonFixes.maybe_add_language(meta)
+    |> CommonFixes.maybe_add_content_map()
   end
 
-  def changeset(struct, data) do
-    data = fix(data)
+  def changeset(struct, data, meta \\ []) do
+    data = fix(data, meta)
 
     struct
     |> cast(data, __schema__(:fields) -- [:attachment, :tag])

lib/pleroma/web/activity_pub/transmogrifier.ex

@@ -682,7 +682,6 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
     |> add_mention_tags
     |> add_emoji_tags
     |> add_attributed_to
-    |> maybe_add_content_map
     |> prepare_attachments
     |> set_conversation
     |> set_reply_to_uri
@@ -956,11 +955,4 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
   def maybe_fix_user_url(data), do: data
 
   def maybe_fix_user_object(data), do: maybe_fix_user_url(data)
-
-  defp maybe_add_content_map(%{"language" => language, "content" => content} = object)
-       when not_empty_string(language) do
-    Map.put(object, "contentMap", Map.put(%{}, language, content))
-  end
-
-  defp maybe_add_content_map(object), do: object
 end