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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.StreamerView do
   6   use Pleroma.Web, :view
   7
   8   alias Pleroma.Activity
   9   alias Pleroma.Conversation.Participation
  10   alias Pleroma.Notification
  11   alias Pleroma.User
  12   alias Pleroma.Web.MastodonAPI.NotificationView
  13
  14   def render("update.json", %Activity{} = activity, %User{} = user) do
  15     %{
  16       event: "update",
  17       payload:
  18         Pleroma.Web.MastodonAPI.StatusView.render(
  19           "show.json",
  20           activity: activity,
  21           for: user
  22         )
  23         |> Jason.encode!()
  24     }
  25     |> Jason.encode!()
  26   end
  27
  28   def render("notification.json", %Notification{} = notify, %User{} = user) do
  29     %{
  30       event: "notification",
  31       payload:
  32         NotificationView.render(
  33           "show.json",
  34           %{notification: notify, for: user}
  35         )
  36         |> Jason.encode!()
  37     }
  38     |> Jason.encode!()
  39   end
  40
  41   def render("update.json", %Activity{} = activity) do
  42     %{
  43       event: "update",
  44       payload:
  45         Pleroma.Web.MastodonAPI.StatusView.render(
  46           "show.json",
  47           activity: activity
  48         )
  49         |> Jason.encode!()
  50     }
  51     |> Jason.encode!()
  52   end
  53
  54   def render("chat_update.json", %{chat_message_reference: cm_ref}) do
  55     # Explicitly giving the cmr for the object here, so we don't accidentally
  56     # send a later 'last_message' that was inserted between inserting this and
  57     # streaming it out
  58     #
  59     # It also contains the chat with a cache of the correct unread count
  60     Logger.debug("Trying to stream out #{inspect(cm_ref)}")
  61
  62     representation =
  63       Pleroma.Web.PleromaAPI.ChatView.render(
  64         "show.json",
  65         %{last_message: cm_ref, chat: cm_ref.chat}
  66       )
  67
  68     %{
  69       event: "pleroma:chat_update",
  70       payload:
  71         representation
  72         |> Jason.encode!()
  73     }
  74     |> Jason.encode!()
  75   end
  76
  77   def render("conversation.json", %Participation{} = participation) do
  78     %{
  79       event: "conversation",
  80       payload:
  81         Pleroma.Web.MastodonAPI.ConversationView.render("participation.json", %{
  82           participation: participation,
  83           for: participation.user
  84         })
  85         |> Jason.encode!()
  86     }
  87     |> Jason.encode!()
  88   end
  89 end