Basic AP objects.

lib/pleroma/activity.ex

+defmodule Pleroma.Activity do
+  use Ecto.Schema
+
+  schema "activities" do
+    field :data, :map
+
+    timestamps()
+  end
+end

lib/pleroma/object.ex

+defmodule Pleroma.Object do
+  use Ecto.Schema
+
+  schema "objects" do
+    field :data, :map
+
+    timestamps()
+  end
+end

lib/pleroma/web/activity_pub/activity_pub.ex

+defmodule Pleroma.Web.ActivityPub.ActivityPub do
+  alias Pleroma.Repo
+  alias Pleroma.Activity
+
+  def insert(map) when is_map(map) do
+    Repo.insert(%Activity{data: map})
+  end
+end

priv/repo/migrations/20170321074828_create_activity.exs

+defmodule Pleroma.Repo.Migrations.CreatePleroma.Activity do
+  use Ecto.Migration
+
+  def change do
+    create table(:activities) do
+      add :data, :map
+
+      timestamps()
+    end
+
+    create index(:activities, [:data], using: :gin)
+
+  end
+end

priv/repo/migrations/20170321074832_create_object.exs

+defmodule Pleroma.Repo.Migrations.CreatePleroma.Object do
+  use Ecto.Migration
+
+  def change do
+    create table(:objects) do
+      add :data, :map
+
+      timestamps()
+    end
+
+  end
+end

test/web/activity_pub/activity_pub_test.exs

+defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
+  use Pleroma.DataCase
+  alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Activity
+
+  describe "insertion" do
+    test "inserts a given map into the activity database" do
+      data = %{
+        ok: true
+      }
+
+      {:ok, %Activity{} = activity} = ActivityPub.insert(data)
+      assert activity.data == data
+    end
+  end
+
+end