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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.Helpers.MogrifyHelper do
   6   @moduledoc """
   7   Handles common Mogrify operations.
   8   """
   9
  10   @spec store_as_temporary_file(String.t(), binary()) :: {:ok, String.t()} | {:error, atom()}
  11   @doc "Stores binary content fetched from specified URL as a temporary file."
  12   def store_as_temporary_file(url, body) do
  13     path = Mogrify.temporary_path_for(%{path: url})
  14     with :ok <- File.write(path, body), do: {:ok, path}
  15   end
  16
  17   @spec store_as_temporary_file(String.t(), String.t()) :: Mogrify.Image.t() | any()
  18   @doc "Modifies file at specified path by resizing to specified limit dimensions."
  19   def in_place_resize_to_limit(path, resize_dimensions) do
  20     path
  21     |> Mogrify.open()
  22     |> Mogrify.resize_to_limit(resize_dimensions)
  23     |> Mogrify.save(in_place: true)
  24   end
  25 end