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{-# LANGUAGE OverloadedStrings #-}
module Text.Edifact.BundleReader.Composites
( readComposites
, compositesDirectory
) where
import Text.Edifact.BundleReader.Commons
import Text.Edifact.BundleReader.Configuration (BundleReaderEnv (..))
import Text.Edifact.Scaffolder.Commons
import Text.Edifact.Scaffolder.Composites.Specification (listSimples)
import Control.Monad (when)
import Control.Monad.Reader (asks)
import Data.ByteString as BS (ByteString,
readFile)
import Formatting
compositesDirectory :: FilePath
compositesDirectory = "composites"
readComposites :: [ByteString] -> ([CompositeCode], [SimpleCode]) -> BundleReader [SimpleCode]
readComposites contents (composites, simples) = do
let parsedFile path = parseFile composites =<< liftIO (BS.readFile path)
parsedString = parseFile composites
files <- asks compositesFiles
parsedFiles <- traverse parsedFile files
parsedStrings <- traverse parsedString contents
let filtered = mappend simples $ concatMap snd $ filter (\s -> fst s `elem` composites) $ concat (parsedFiles <> parsedStrings)
pure filtered
parseFile :: [CompositeCode] -> ByteString -> BundleReader [(CompositeCode, [SimpleCode])]
parseFile composites content =
let chunks = tail $ splitFileByDash 70 $ decodeContent content
in traverse (parseChunk composites) chunks
parseChunk :: [CompositeCode] -> Text -> BundleReader (CompositeCode, [SimpleCode])
parseChunk composites chunk = do
parsed <- parseOrFail chunk listSimples
outputFile <- getOutputFile (fCompositeCodeLower % ".txt") compositesDirectory (fst parsed)
when (fst parsed `elem` composites) $ toFile chunk outputFile
pure parsed
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