zf

zenflows testing
git clone https://s.sonu.ch/~srfsh/zf.git
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errors.ex (1295B)

      1 # Zenflows is designed to implement the Valueflows vocabulary,
      2 # written and maintained by srfsh <info@dyne.org>.
      3 # Copyright (C) 2021-2023 Dyne.org foundation <foundation@dyne.org>.
      4 #
      5 # This program is free software: you can redistribute it and/or modify
      6 # it under the terms of the GNU Affero General Public License as published by
      7 # the Free Software Foundation, either version 3 of the License, or
      8 # (at your option) any later version.
      9 #
     10 # This program is distributed in the hope that it will be useful,
     11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13 # GNU Affero General Public License for more details.
     14 #
     15 # You should have received a copy of the GNU Affero General Public License
     16 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
     17 
     18 defmodule Zenflows.GQL.MW.Errors do
     19 @moduledoc """
     20 Absinthe middleware for errors (Ecto.Changeset-only, for now).
     21 """
     22 
     23 alias Ecto.Changeset, as: Chgset
     24 
     25 @behaviour Absinthe.Middleware
     26 
     27 @impl true
     28 def call(res, _) do
     29 	%{res | errors: Enum.flat_map(res.errors, &handle/1)}
     30 end
     31 
     32 defp handle(%Chgset{} = cset) do
     33 	cset
     34 	|> Chgset.traverse_errors(&elem(&1, 0))
     35 	|> Enum.map(fn {k, v} -> "#{k}: #{inspect(v)}" end)
     36 end
     37 
     38 defp handle(error) do
     39 	[error]
     40 end
     41 end