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-- ldgallery - A static generator which turns a collection of tagged
-- pictures into a searchable web gallery.
--
-- Copyright (C) 2019 Pacien TRAN-GIRARD
--
-- 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/>.
{-# LANGUAGE
DuplicateRecordFields
, DeriveGeneric
, DeriveAnyClass
, OverloadedStrings
#-}
module Config
( GalleryConfig(..)
, CompilerConfig(..)
, readConfig
) where
import Data.Text (Text)
import GHC.Generics (Generic)
import Data.Aeson (ToJSON, FromJSON, withObject, (.:?), (.!=))
import qualified Data.Aeson as JSON
import Files (FileName)
import Input (decodeYamlFile)
import Resource (Resolution(..))
data CompilerConfig = CompilerConfig
{ galleryName :: String
, thumbnailResolution :: Resolution
, pictureMaxResolution :: Maybe Resolution
} deriving (Generic, Show)
instance FromJSON CompilerConfig where
parseJSON = withObject "CompilerConfig" $ \v -> CompilerConfig
<$> v .:? "galleryName" .!= "Gallery"
<*> v .:? "thumbnailResolution" .!= (Resolution 400 400)
<*> v .:? "pictureMaxResolution"
data GalleryConfig = GalleryConfig
{ compiler :: CompilerConfig
, viewer :: JSON.Object
} deriving (Generic, FromJSON, Show)
readConfig :: FileName -> IO GalleryConfig
readConfig = decodeYamlFile
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