mobilizon.chapril.org-mobil.../lib/service/activity_pub/converter/picture.ex
Thomas Citharel 334d66bf5d
Add admin interface to manage instances subscriptions
Signed-off-by: Thomas Citharel <tcit@tcit.fr>
2019-12-15 21:56:16 +01:00

63 lines
1.7 KiB
Elixir

defmodule Mobilizon.Service.ActivityPub.Converter.Picture do
@moduledoc """
Picture converter.
This module allows to convert events from ActivityStream format to our own
internal one, and back.
"""
alias Mobilizon.Media.Picture, as: PictureModel
@doc """
Convert a picture struct to an ActivityStream representation.
"""
@spec model_to_as(PictureModel.t()) :: map
def model_to_as(%PictureModel{file: file}) do
%{
"type" => "Document",
"mediaType" => file.content_type,
"url" => file.url,
"name" => file.name
}
end
@doc """
Save picture data from raw data and return AS Link data.
"""
def find_or_create_picture(%{"type" => "Link", "href" => url}, actor_id),
do: find_or_create_picture(url, actor_id)
def find_or_create_picture(
%{"type" => "Document", "url" => picture_url, "name" => name},
actor_id
)
when is_bitstring(picture_url) do
with {:ok, %HTTPoison.Response{body: body}} <- HTTPoison.get(picture_url),
{:ok,
%{
name: name,
url: url,
content_type: content_type,
size: size
}} <-
MobilizonWeb.Upload.store(%{body: body, name: name}),
{:picture_exists, nil} <- {:picture_exists, Mobilizon.Media.get_picture_by_url(url)} do
Mobilizon.Media.create_picture(%{
"file" => %{
"url" => url,
"name" => name,
"content_type" => content_type,
"size" => size
},
"actor_id" => actor_id
})
else
{:picture_exists, %PictureModel{file: _file} = picture} ->
{:ok, picture}
err ->
err
end
end
end