Participation: Get for a user.

lib/conversation.ex

@@ -51,10 +51,10 @@ defmodule Pleroma.Conversation do
          ap_id when is_binary(ap_id) <- activity.data["object"]["context"] do
       {:ok, conversation} = create_for_ap_id(ap_id)
 
-      local_users = User.get_users_from_set(activity.recipients, true)
+      users = User.get_users_from_set(activity.recipients)
 
       participations =
-        Enum.map(local_users, fn user ->
+        Enum.map(users, fn user ->
           {:ok, participation} =
             Participation.create_for_user_and_conversation(user, conversation)
 

lib/conversation/participation.ex

@@ -8,6 +8,7 @@ defmodule Pleroma.Conversation.Participation do
   alias Pleroma.Conversation
   alias Pleroma.Repo
   import Ecto.Changeset
+  import Ecto.Query
 
   schema "conversation_participations" do
     belongs_to(:user, User, type: Pleroma.FlakeId)
@@ -50,4 +51,12 @@ defmodule Pleroma.Conversation.Participation do
     |> read_cng(%{read: false})
     |> Repo.update()
   end
+
+  def for_user(user, params \\ %{}) do
+    from(p in __MODULE__,
+      where: p.user_id == ^user.id,
+      order_by: [desc: p.updated_at]
+    )
+    |> Pleroma.Pagination.fetch_paginated(params)
+  end
 end