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# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.MastodonAPI.NotificationView do
use Pleroma.Web, :view
alias Pleroma.Activity
alias Pleroma.Chat.MessageReference
alias Pleroma.Notification
alias Pleroma.Object
alias Pleroma.User
alias Pleroma.UserRelationship
alias Pleroma.Web.CommonAPI
alias Pleroma.Web.MastodonAPI.AccountView
alias Pleroma.Web.MastodonAPI.NotificationView
alias Pleroma.Web.MastodonAPI.StatusView
alias Pleroma.Web.PleromaAPI.Chat.MessageReferenceView
@parent_types ~w{Like Announce EmojiReact}
def render("index.json", %{notifications: notifications, for: reading_user} = opts) do
activities = Enum.map(notifications, & &1.activity)
parent_activities =
activities
|> Enum.filter(fn
%{data: %{"type" => type}} ->
type in @parent_types
end)
|> Enum.map(& &1.data["object"])
|> Activity.create_by_object_ap_id()
|> Activity.with_preloaded_object(:left)
|> Pleroma.Repo.all()
relationships_opt =
cond do
Map.has_key?(opts, :relationships) ->
opts[:relationships]
is_nil(reading_user) ->
UserRelationship.view_relationships_option(nil, [])
true ->
move_activities_targets =
activities
|> Enum.filter(&(&1.data["type"] == "Move"))
|> Enum.map(&User.get_cached_by_ap_id(&1.data["target"]))
actors =
activities
|> Enum.map(fn a -> User.get_cached_by_ap_id(a.data["actor"]) end)
|> Enum.filter(& &1)
|> Kernel.++(move_activities_targets)
UserRelationship.view_relationships_option(reading_user, actors, subset: :source_mutes)
end
opts =
opts
|> Map.put(:parent_activities, parent_activities)
|> Map.put(:relationships, relationships_opt)
safe_render_many(notifications, NotificationView, "show.json", opts)
end
def render(
"show.json",
%{
notification: %Notification{activity: activity} = notification,
for: reading_user
} = opts
) do
actor = User.get_cached_by_ap_id(activity.data["actor"])
parent_activity_fn = fn ->
if opts[:parent_activities] do
Activity.Queries.find_by_object_ap_id(opts[:parent_activities], activity.data["object"])
else
Activity.get_create_by_object_ap_id(activity.data["object"])
end
end
# Note: :relationships contain user mutes (needed for :muted flag in :status)
status_render_opts = %{relationships: opts[:relationships]}
with %{id: _} = account <-
AccountView.render(
"show.json",
%{user: actor, for: reading_user}
) do
response = %{
id: to_string(notification.id),
type: notification.type,
created_at: CommonAPI.Utils.to_masto_date(notification.inserted_at),
account: account,
pleroma: %{
is_seen: notification.seen
}
}
case notification.type do
"mention" ->
put_status(response, activity, reading_user, status_render_opts)
"favourite" ->
put_status(response, parent_activity_fn.(), reading_user, status_render_opts)
"reblog" ->
put_status(response, parent_activity_fn.(), reading_user, status_render_opts)
"move" ->
put_target(response, activity, reading_user, %{})
"pleroma:emoji_reaction" ->
response
|> put_status(parent_activity_fn.(), reading_user, status_render_opts)
|> put_emoji(activity)
"pleroma:chat_mention" ->
put_chat_message(response, activity, reading_user, status_render_opts)
type when type in ["follow", "follow_request"] ->
response
_ ->
nil
end
else
_ -> nil
end
end
defp put_emoji(response, activity) do
Map.put(response, :emoji, activity.data["content"])
end
defp put_chat_message(response, activity, reading_user, opts) do
object = Object.normalize(activity)
author = User.get_cached_by_ap_id(object.data["actor"])
chat = Pleroma.Chat.get(reading_user.id, author.ap_id)
cm_ref = MessageReference.for_chat_and_object(chat, object)
render_opts = Map.merge(opts, %{for: reading_user, chat_message_reference: cm_ref})
chat_message_render = MessageReferenceView.render("show.json", render_opts)
Map.put(response, :chat_message, chat_message_render)
end
defp put_status(response, activity, reading_user, opts) do
status_render_opts = Map.merge(opts, %{activity: activity, for: reading_user})
status_render = StatusView.render("show.json", status_render_opts)
Map.put(response, :status, status_render)
end
defp put_target(response, activity, reading_user, opts) do
target_user = User.get_cached_by_ap_id(activity.data["target"])
target_render_opts = Map.merge(opts, %{user: target_user, for: reading_user})
target_render = AccountView.render("show.json", target_render_opts)
Map.put(response, :target, target_render)
end
end

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