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|
{-# LANGUAGE BlockArguments #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE ViewPatterns #-}
{-# LANGUAGE NoFieldSelectors #-}
{-# LANGUAGE ApplicativeDo #-}
module Main where
import ACMS.API.REST.Collection qualified
import Control.Applicative ((<**>))
import Data.Aeson qualified as J
import Data.ByteString.Lazy qualified as LB
import Data.Text qualified as T
import Options.Applicative qualified as O
import Text.ParserCombinators.ReadP qualified as R
import Text.ParserCombinators.ReadPrec qualified as R
import Text.Read (Read (..))
data Args = Args
{ cmd :: Cmd
}
args :: O.Parser Args
args = Args <$> cmd_
data Cmd = CollectionCmd CollectionCmd
cmd_ :: O.Parser Cmd
cmd_ =
O.hsubparser . mconcat $
[ O.command "collection" . O.info collectionCmd $
O.progDesc "Manage content collections"
]
data CollectionCmd
= CollectionAdd Collection
| CollectionView CollectionItem
| CollectionEdit CollectionItem
| CollectionDelete CollectionItem
newtype Collection = Collection T.Text
deriving (Read)
data CollectionItem = CollectionItem
{ collectionName :: Collection,
fileName :: T.Text
}
instance Read CollectionItem where
readPrec = R.lift do
(Collection . T.pack -> collectionName) <- R.munch (/= '/')
_ <- R.string "/"
(T.pack -> fileName) <- do
fileName <- R.munch (liftA2 (&&) (/= '.') (/= '/'))
fileExt <- R.string ".json"
pure (fileName <> fileExt)
pure CollectionItem {..}
instance Show CollectionItem where
show (CollectionItem {collectionName = Collection cn, fileName}) =
show (cn <> "/" <> fileName)
collectionCmd :: O.Parser Cmd
collectionCmd = do
fmap CollectionCmd . O.hsubparser . mconcat $
[ O.command "add" . O.info (CollectionAdd <$> collectionNameArg) $
O.progDesc "Add an entity"
, O.command "view" . O.info (CollectionView <$> collectionPathArg) $
O.progDesc "View an entity"
, O.command "edit" . O.info (CollectionEdit <$> collectionPathArg) $
O.progDesc "Edit an entity"
, O.command "delete" . O.info (CollectionDelete <$> collectionPathArg) $
O.progDesc "Delete an entity"
]
collectionPathArg :: O.Parser CollectionItem
collectionPathArg =
O.argument O.auto (O.metavar "COLLECTION_PATH")
collectionNameArg :: O.Parser Collection
collectionNameArg =
Collection . T.pack <$> O.strArgument (O.metavar "COLLECTION_NAME")
main :: IO ()
main =
O.execParser (O.info (args <**> O.helper) O.idm) >>= \case
Args
{ cmd = CollectionCmd cmd
} -> case cmd of
CollectionAdd (Collection cn) -> do
print
=<< ACMS.API.REST.Collection.create cn
=<< J.throwDecode
=<< LB.getContents
CollectionView CollectionItem {collectionName = Collection cn, fileName} ->
print
=<< ACMS.API.REST.Collection.read cn fileName
CollectionDelete CollectionItem {collectionName = Collection cn, fileName}->
print
=<< ACMS.API.REST.Collection.delete cn fileName
CollectionEdit CollectionItem {collectionName = Collection cn, fileName}->
print
=<< ACMS.API.REST.Collection.update cn fileName
=<< J.throwDecode
=<< LB.getContents
|
