Add language from activity context in ObjectValidator

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

lib/pleroma/web/activity_pub/object_validator.ex

@@ -24,6 +24,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidator do
   alias Pleroma.Web.ActivityPub.ObjectValidators.AudioImageVideoValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.BlockValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.ChatMessageValidator
+  alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes
   alias Pleroma.Web.ActivityPub.ObjectValidators.CreateChatMessageValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.CreateGenericValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.DeleteValidator
@@ -106,7 +107,9 @@ def validate(
       )
       when objtype in ~w[Question Answer Audio Video Image Event Article Note Page] do
     with {:ok, object_data} <-
-           cast_and_apply_and_stringify_with_history(object, activity_data: create_activity),
+           object
+           |> CommonFixes.maybe_add_language_from_activity(create_activity)
+           |> cast_and_apply_and_stringify_with_history(),
          meta = Keyword.put(meta, :object_data, object_data),
          {:ok, create_activity} <-
            create_activity
@@ -156,7 +159,11 @@ def validate(
       )
       when objtype in ~w[Question Answer Audio Video Event Article Note Page] do
     with {_, false} <- {:local, Access.get(meta, :local, false)},
-         {_, {:ok, object_data, _}} <- {:object_validation, validate(object, meta)},
+         {_, {:ok, object_data, _}} <-
+           {:object_validation,
+            object
+            |> CommonFixes.maybe_add_language_from_activity(update_activity)
+            |> validate(meta)},
          meta = Keyword.put(meta, :object_data, object_data),
          {:ok, update_activity} <-
            update_activity
@@ -221,42 +228,40 @@ def validate(%{"type" => type} = object, meta) when type in ~w(Add Remove) do
 
   def validate(o, m), do: {:error, {:validator_not_set, {o, m}}}
 
-  def cast_and_apply_and_stringify_with_history(object, meta \\ []) do
+  def cast_and_apply_and_stringify_with_history(object) do
     do_separate_with_history(object, fn object ->
-      with {:ok, object_data} <- cast_and_apply(object, meta),
+      with {:ok, object_data} <- cast_and_apply(object),
            object_data <- object_data |> stringify_keys() do
         {:ok, object_data}
       end
     end)
   end
 
-  def cast_and_apply(object, meta \\ [])
-
-  def cast_and_apply(%{"type" => "ChatMessage"} = object, _) do
+  def cast_and_apply(%{"type" => "ChatMessage"} = object) do
     ChatMessageValidator.cast_and_apply(object)
   end
 
-  def cast_and_apply(%{"type" => "Question"} = object, _) do
+  def cast_and_apply(%{"type" => "Question"} = object) do
     QuestionValidator.cast_and_apply(object)
   end
 
-  def cast_and_apply(%{"type" => "Answer"} = object, _) do
+  def cast_and_apply(%{"type" => "Answer"} = object) do
     AnswerValidator.cast_and_apply(object)
   end
 
-  def cast_and_apply(%{"type" => type} = object, _) when type in ~w[Audio Image Video] do
+  def cast_and_apply(%{"type" => type} = object) when type in ~w[Audio Image Video] do
     AudioImageVideoValidator.cast_and_apply(object)
   end
 
-  def cast_and_apply(%{"type" => "Event"} = object, meta) do
-    EventValidator.cast_and_apply(object, meta)
+  def cast_and_apply(%{"type" => "Event"} = object) do
+    EventValidator.cast_and_apply(object)
   end
 
-  def cast_and_apply(%{"type" => type} = object, meta) when type in ~w[Article Note Page] do
-    ArticleNotePageValidator.cast_and_apply(object, meta)
+  def cast_and_apply(%{"type" => type} = object) when type in ~w[Article Note Page] do
+    ArticleNotePageValidator.cast_and_apply(object)
   end
 
-  def cast_and_apply(o, _), do: {:error, {:validator_not_set, o}}
+  def cast_and_apply(o), do: {:error, {:validator_not_set, o}}
 
   def stringify_keys(object) when is_struct(object) do
     object

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

@@ -28,21 +28,21 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.ArticleNotePageValidator do
     field(:replies, {:array, ObjectValidators.ObjectID}, default: [])
   end
 
-  def cast_and_apply(data, meta \\ []) do
+  def cast_and_apply(data) do
     data
-    |> cast_data(meta)
+    |> cast_data()
     |> apply_action(:insert)
   end
 
-  def cast_and_validate(data, meta \\ []) do
+  def cast_and_validate(data) do
     data
-    |> cast_data(meta)
+    |> cast_data()
     |> validate_data()
   end
 
-  def cast_data(data, meta \\ []) do
+  def cast_data(data) do
     %__MODULE__{}
-    |> changeset(data, meta)
+    |> changeset(data)
   end
 
   defp fix_url(%{"url" => url} = data) when is_bitstring(url), do: data
@@ -97,7 +97,7 @@ def fix_attachments(%{"attachment" => attachment} = data) when is_map(attachment
 
   def fix_attachments(data), do: data
 
-  defp fix(data, meta) do
+  defp fix(data) do
     data
     |> CommonFixes.fix_actor()
     |> CommonFixes.fix_object_defaults()
@@ -109,12 +109,12 @@ defp fix(data, meta) do
     |> CommonFixes.fix_quote_url()
     |> Transmogrifier.fix_emoji()
     |> Transmogrifier.fix_content_map()
-    |> CommonFixes.maybe_add_language(meta)
+    |> CommonFixes.maybe_add_language()
     |> CommonFixes.maybe_add_content_map()
   end
 
-  def changeset(struct, data, meta \\ []) do
-    data = fix(data, meta)
+  def changeset(struct, data) do
+    data = fix(data)
 
     struct
     |> cast(data, __schema__(:fields) -- [:attachment, :tag])

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

@@ -131,11 +131,20 @@ def object_link_tag?(%{
 
   def object_link_tag?(_), do: false
 
-  def maybe_add_language(object, meta \\ []) do
+  def maybe_add_language_from_activity(object, activity) do
+    language = get_language_from_context(activity)
+
+    if language do
+      Map.put(object, "language", language)
+    else
+      object
+    end
+  end
+
+  def maybe_add_language(object) do
     language =
       [
         get_language_from_context(object),
-        get_language_from_context(Keyword.get(meta, :activity_data)),
         get_language_from_content_map(object),
         get_language_from_content(object)
       ]

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

@@ -39,34 +39,35 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EventValidator do
     field(:participation_request_count, :integer, default: 0)
   end
 
-  def cast_and_apply(data, meta \\ []) do
+  def cast_and_apply(data) do
     data
-    |> cast_data(meta)
+    |> cast_data()
     |> apply_action(:insert)
   end
 
-  def cast_and_validate(data, meta \\ []) do
+  def cast_and_validate(data) do
     data
-    |> cast_data(meta)
+    |> cast_data()
     |> validate_data()
   end
 
-  def cast_data(data, meta \\ []) do
+  @spec cast_data(map()) :: map()
+  def cast_data(data) do
     %__MODULE__{}
-    |> changeset(data, meta)
+    |> changeset(data)
   end
 
-  defp fix(data, meta) do
+  defp fix(data) do
     data
     |> CommonFixes.fix_actor()
     |> CommonFixes.fix_object_defaults()
     |> Transmogrifier.fix_emoji()
-    |> CommonFixes.maybe_add_language(meta)
+    |> CommonFixes.maybe_add_language()
     |> CommonFixes.maybe_add_content_map()
   end
 
-  def changeset(struct, data, meta \\ []) do
-    data = fix(data, meta)
+  def changeset(struct, data) do
+    data = fix(data)
 
     struct
     |> cast(data, __schema__(:fields) -- [:attachment, :tag, :location])

test/pleroma/web/activity_pub/object_validators/article_note_page_validator_test.exs

@@ -197,12 +197,9 @@ test "it detects language from JSON-LD context" do
         "actor" => user.ap_id
       }
 
-      {:ok, object} =
-        ArticleNotePageValidator.cast_and_apply(note_activity["object"],
-          activity_data: note_activity
-        )
+      {:ok, _create_activity, meta} = ObjectValidator.validate(note_activity, []) |> IO.inspect()
 
-      assert object.language == "pl"
+      assert meta[:object_data]["language"] == "pl"
     end
 
     test "it detects language from contentMap" do