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/>.
  
  module Brig.Version where
  
  import Brig.API.Handler
  import Brig.App
  import Data.Set qualified as Set
  import Imports
  import Servant (ServerT)
  import Wire.API.Routes.Named
  import Wire.API.Routes.Version
  
  versionAPI :: ServerT VersionAPI (Handler r)
  versionAPI = Named @"get-version" $ do
    fed <- asks (.federator)
    dom <- viewFederationDomain
    disabled <- asks (.disabledVersions)
    let allVersions = Set.difference (Set.fromList supportedVersions) disabled
        devVersions = Set.difference (Set.fromList developmentVersions) disabled
        supported = Set.difference allVersions devVersions
    pure $
      VersionInfo
        { vinfoSupported = VersionNumber <$> toList supported,
          vinfoDevelopment = VersionNumber <$> toList devVersions,
          vinfoFederation = isJust fed,
          vinfoDomain = dom
        }
  