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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.MastodonAPI.FallbackController do
   6   use Pleroma.Web, :controller
   7
   8   def call(conn, {:error, %Ecto.Changeset{} = changeset}) do
   9     error_message =
  10       changeset
  11       |> Ecto.Changeset.traverse_errors(fn {message, _opt} -> message end)
  12       |> Enum.map_join(", ", fn {_k, v} -> v end)
  13
  14     conn
  15     |> put_status(:unprocessable_entity)
  16     |> json(%{error: error_message})
  17   end
  18
  19   def call(conn, {:error, :not_found}) do
  20     render_error(conn, :not_found, "Record not found")
  21   end
  22
  23   def call(conn, {:error, :forbidden}) do
  24     render_error(conn, :forbidden, "Access denied")
  25   end
  26
  27   def call(conn, {:error, error_message}) do
  28     conn
  29     |> put_status(:bad_request)
  30     |> json(%{error: error_message})
  31   end
  32
  33   def call(conn, {:error, status, message}) do
  34     conn
  35     |> put_status(status)
  36     |> json(%{error: message})
  37   end
  38
  39   def call(conn, _) do
  40     conn
  41     |> put_status(:internal_server_error)
  42     |> json(dgettext("errors", "Something went wrong"))
  43   end
  44 end