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/>.
  {-# OPTIONS_GHC -fplugin=Polysemy.Plugin #-}
  
  module Wire.Sem.Now.IO
    ( nowToIOAction,
      nowToIO,
    )
  where
  
  import Data.Time
  import Imports
  import Polysemy
  import Wire.Sem.Now
  
  -- | An interpreter of the 'Now' effect to IO via a custom IO action that
  -- provides the current time.
  nowToIOAction ::
    forall r a.
    (Member (Embed IO) r) =>
    IO UTCTime ->
    Sem (Now ': r) a ->
    Sem r a
  nowToIOAction ioTime = interpret $ \case Get -> embed @IO ioTime
  
  -- | A specialisation of 'nowToIOAction' to the 'getCurrentTime' IO action.
  nowToIO ::
    forall r a.
    (Member (Embed IO) r) =>
    Sem (Now ': r) a ->
    Sem r a
  nowToIO = nowToIOAction getCurrentTime
  