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