git.squeep.com Git - akkoma/blob - lib/pleroma/web/static_fe/activity_representer.ex

   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.StaticFE.ActivityRepresenter do
   6   alias Pleroma.Activity
   7   alias Pleroma.Object
   8   alias Pleroma.User
   9   alias Pleroma.Web.ActivityPub.Visibility
  10   alias Pleroma.Web.Router.Helpers
  11
  12   def prepare_activity(%User{} = user, %Activity{} = activity) do
  13     object = Object.normalize(activity.data["object"])
  14
  15     %{}
  16     |> set_user(user)
  17     |> set_object(object)
  18     |> set_title(object)
  19     |> set_content(object)
  20     |> set_link(activity.id)
  21     |> set_published(object)
  22     |> set_sensitive(object)
  23     |> set_attachment(object.data["attachment"])
  24     |> set_attachments(object)
  25   end
  26
  27   defp set_user(data, %User{} = user), do: Map.put(data, :user, user)
  28
  29   defp set_object(data, %Object{} = object), do: Map.put(data, :object, object)
  30
  31   defp set_title(data, %Object{data: %{"name" => name}}) when is_binary(name),
  32     do: Map.put(data, :title, name)
  33
  34   defp set_title(data, %Object{data: %{"summary" => summary}}) when is_binary(summary),
  35     do: Map.put(data, :title, summary)
  36
  37   defp set_title(data, _), do: Map.put(data, :title, nil)
  38
  39   defp set_content(data, %Object{data: %{"content" => content}}) when is_binary(content),
  40     do: Map.put(data, :content, content)
  41
  42   defp set_content(data, _), do: Map.put(data, :content, nil)
  43
  44   defp set_attachment(data, attachment), do: Map.put(data, :attachment, attachment)
  45
  46   defp set_link(data, activity_id),
  47     do: Map.put(data, :link, Helpers.o_status_url(Pleroma.Web.Endpoint, :notice, activity_id))
  48
  49   defp set_published(data, %Object{data: %{"published" => published}}),
  50     do: Map.put(data, :published, published)
  51
  52   defp set_sensitive(data, %Object{data: %{"sensitive" => sensitive}}),
  53     do: Map.put(data, :sensitive, sensitive)
  54
  55   # TODO: attachments
  56   defp set_attachments(data, _), do: Map.put(data, :attachments, [])
  57
  58   def represent(activity_id) do
  59     with %Activity{data: %{"type" => "Create"}} = activity <-
  60            Activity.get_by_id_with_object(activity_id),
  61          true <- Visibility.is_public?(activity),
  62          {:ok, %User{} = user} <- User.get_or_fetch(activity.data["actor"]) do
  63       {:ok, prepare_activity(user, activity)}
  64     else
  65       e ->
  66         {:error, e}
  67     end
  68   end
  69 end