akkoma/lib/pleroma/web/ostatus/activity_representer.ex
2017-05-02 16:35:53 +02:00

100 lines
4 KiB
Elixir

defmodule Pleroma.Web.OStatus.ActivityRepresenter do
alias Pleroma.Activity
alias Pleroma.Web.OStatus.UserRepresenter
require Logger
defp get_in_reply_to(%{"object" => %{ "inReplyTo" => in_reply_to}}) do
[{:"thr:in-reply-to", [ref: to_charlist(in_reply_to)], []}]
end
defp get_in_reply_to(_), do: []
defp get_mentions(to) do
Enum.map(to, fn (id) ->
cond do
# Special handling for the AP/Ostatus public collections
"https://www.w3.org/ns/activitystreams#Public" == id ->
{:link, [rel: "mentioned", "ostatus:object-type": "http://activitystrea.ms/schema/1.0/collection", href: "http://activityschema.org/collection/public"], []}
# Ostatus doesn't handle follower collections, ignore these.
Regex.match?(~r/^#{Pleroma.Web.base_url}.+followers$/, id) ->
[]
true ->
{:link, [rel: "mentioned", "ostatus:object-type": "http://activitystrea.ms/schema/1.0/person", href: id], []}
end
end)
end
def to_simple_form(activity, user, with_author \\ false)
def to_simple_form(%{data: %{"object" => %{"type" => "Note"}}} = activity, user, with_author) do
h = fn(str) -> [to_charlist(str)] end
updated_at = activity.updated_at
|> NaiveDateTime.to_iso8601
inserted_at = activity.inserted_at
|> NaiveDateTime.to_iso8601
attachments = Enum.map(activity.data["object"]["attachment"] || [], fn(attachment) ->
url = hd(attachment["url"])
{:link, [rel: 'enclosure', href: to_charlist(url["href"]), type: to_charlist(url["mediaType"])], []}
end)
in_reply_to = get_in_reply_to(activity.data)
author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
mentions = activity.data["to"] |> get_mentions
[
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
{:"activity:verb", ['http://activitystrea.ms/schema/1.0/post']},
{:id, h.(activity.data["object"]["id"])}, # For notes, federate the object id.
{:title, ['New note by #{user.nickname}']},
{:content, [type: 'html'], h.(activity.data["object"]["content"])},
{:published, h.(inserted_at)},
{:updated, h.(updated_at)},
{:"ostatus:conversation", [], h.(activity.data["context"])},
{:link, [href: h.(activity.data["context"]), rel: 'ostatus:conversation'], []}
] ++ attachments ++ in_reply_to ++ author ++ mentions
end
def to_simple_form(%{data: %{"type" => "Like"}} = activity, user, with_author) do
h = fn(str) -> [to_charlist(str)] end
updated_at = activity.updated_at
|> NaiveDateTime.to_iso8601
inserted_at = activity.inserted_at
|> NaiveDateTime.to_iso8601
in_reply_to = get_in_reply_to(activity.data)
author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
mentions = activity.data["to"] |> get_mentions
[
{:"activity:verb", ['http://activitystrea.ms/schema/1.0/favorite']},
{:id, h.(activity.data["id"])},
{:title, ['New favorite by #{user.nickname}']},
{:content, [type: 'html'], ['#{user.nickname} favorited something']},
{:published, h.(inserted_at)},
{:updated, h.(updated_at)},
{:"activity:object", [
{:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
{:id, h.(activity.data["object"])}, # For notes, federate the object id.
]},
{:"ostatus:conversation", [], h.(activity.data["context"])},
{:link, [href: h.(activity.data["context"]), rel: 'ostatus:conversation'], []},
{:"thr:in-reply-to", [ref: to_charlist(activity.data["object"])], []}
] ++ author ++ mentions
end
def wrap_with_entry(simple_form) do
[{
:entry, [
xmlns: 'http://www.w3.org/2005/Atom',
"xmlns:thr": 'http://purl.org/syndication/thread/1.0',
"xmlns:activity": 'http://activitystrea.ms/spec/1.0/',
"xmlns:poco": 'http://portablecontacts.net/spec/1.0',
"xmlns:ostatus": 'http://ostatus.org/schema/1.0'
], simple_form
}]
end
def to_simple_form(_,_,_), do: nil
end