defmodule Pleroma.Web.ActivityPub.ActivityPub do alias Pleroma.Repo alias Pleroma.Activity import Ecto.Query def insert(map) when is_map(map) do map = Map.put_new_lazy(map, "id", &generate_activity_id/0) map = if map["object"] do object = Map.put_new_lazy(map["object"], "id", &generate_object_id/0) Map.put(map, "object", object) else map end Repo.insert(%Activity{data: map}) end def generate_activity_id do host = Application.get_env(:pleroma, Pleroma.Web.Endpoint) |> Keyword.fetch!(:url) |> Keyword.fetch!(:host) "https://#{host}/activities/#{Ecto.UUID.generate}" end def generate_object_id do host = Application.get_env(:pleroma, Pleroma.Web.Endpoint) |> Keyword.fetch!(:url) |> Keyword.fetch!(:host) "https://#{host}/objects/#{Ecto.UUID.generate}" end def fetch_public_activities(opts \\ %{}) do public = ["https://www.w3.org/ns/activitystreams#Public"] fetch_activities(public, opts) end def fetch_activities(recipients, opts \\ %{}) do since_id = opts["since_id"] || 0 query = from activity in Activity, limit: 20, order_by: [desc: :inserted_at] query = Enum.reduce(recipients, query, fn (recipient, q) -> map = %{ to: [recipient] } from activity in q, or_where: fragment(~s(? @> ?), activity.data, ^map) end) query = from activity in query, where: activity.id > ^since_id Repo.all(query) |> Enum.reverse end end