content: -- This file is part of the Wire Server implementation.
  --
  -- Copyright (C) 2022 Wire Swiss GmbH <opensource@wire.com>
  --
  -- This program is free software: you can redistribute it and/or modify it under
  -- the terms of the GNU Affero General Public License as published by the Free
  -- Software Foundation, either version 3 of the License, or (at your option) any
  -- later version.
  --
  -- This program is distributed in the hope that it will be useful, but WITHOUT
  -- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  -- FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
  -- details.
  --
  -- You should have received a copy of the GNU Affero General Public License along
  -- with this program. If not, see <https://www.gnu.org/licenses/>.
  
  -- | See also: 'DomainsBlockedForRegistration'.
  module Galley.API.CustomBackend
    ( getCustomBackendByDomain,
    )
  where
  
  import Data.Domain (Domain)
  import Galley.Effects.CustomBackendStore
  import Imports hiding ((\\))
  import Polysemy
  import Wire.API.CustomBackend qualified as Public
  import Wire.API.Error
  import Wire.API.Error.Galley
  
  -- PUBLIC ---------------------------------------------------------------------
  
  getCustomBackendByDomain ::
    ( Member CustomBackendStore r,
      Member (ErrorS 'CustomBackendNotFound) r
    ) =>
    Domain ->
    Sem r Public.CustomBackend
  getCustomBackendByDomain domain =
    getCustomBackend domain >>= \case
      Nothing -> throwS @'CustomBackendNotFound
      Just customBackend -> pure customBackend
  