Working prototype

1 files changed, 77 insertions, 0 deletions

diff --git a/tprint/src/Main.hs b/tprint/src/Main.hs
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+{-# LANGUAGE RecordWildCards #-}
+
+import Thermoprint
+import Thermoprint.Api
+
+import qualified BBCode (parse)
+
+import Options.Applicative
+
+import Data.Either
+import Control.Monad
+import Control.Monad.Trans.Either
+
+import System.IO
+import System.Exit
+
+import Data.Proxy
+import Servant.Client
+
+thermoprintApi :: Proxy ThermoprintApi
+thermoprintApi = Proxy
+
+data Options = Options
+               { baseUrl :: BaseUrl
+               , printerId :: Integer
+               , dryRun :: Bool
+               }
+
+options :: Parser Options
+options = Options
+          <$> option baseUrlReader (
+            long "url"
+            <> short 'u'
+            <> metavar "URL"
+            <> help "The base url of the api"
+            <> value (BaseUrl Http "localhost" 8080)
+            <> showDefaultWith showBaseUrl
+            )
+          <*> option auto (
+            long "printer"
+            <> short 'p'
+            <> metavar "INT"
+            <> help "The number of the printer to use"
+            <> value 0
+            <> showDefault
+            )
+          <*> flag False True (
+            long "dry-run"
+            <> short 'd'
+            <> help "Instead of sending data to printer output the parsed stream to stderr"
+            <> showDefault
+            )
+  where
+    baseUrlReader = str >>= either readerError return . parseBaseUrl
+
+main :: IO ()
+main = execParser opts >>= main'
+  where
+    opts = info (helper <*> options) (
+      fullDesc
+      <> header "tprint - A cli tool for interfacing with the REST api as provided by thermoprint-servant"
+      )
+
+    main' Options{..} = do
+      let
+        print :: Integer -> Block String -> EitherT ServantError IO ()
+        print = client thermoprintApi baseUrl
+      input <- BBCode.parse `liftM` getContents
+      input' <- either (\err -> hPutStrLn stderr ("Parse error: " ++ err) >> exitFailure) return input
+      case dryRun of
+        False -> do
+          res <- runEitherT $ print printerId input'
+          case res of
+            Left err -> hPutStrLn stderr $ show err
+            Right _ -> exitSuccess
+        True -> do
+          hPutStrLn stderr $ show input'