FORAMT!

dtekcth · Sep 27, 2023 · 274f555 · 274f555
1 parent ec3acd6
commit 274f555
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Showing 2 changed files with 42 additions and 41 deletions.
diff --git a/app/Main.hs b/app/Main.hs
@@ -2,15 +2,14 @@
 
 module Main
   ( main
-  )
-where
+  ) where
 
 import           Control.Concurrent                       ( MVar
                                                           , newMVar
                                                           , threadDelay
                                                           , tryPutMVar
                                                           )
-import qualified Control.Concurrent.Async                 as Async
+import qualified Control.Concurrent.Async      as Async
 import           Control.Monad                            ( forever )
 import           Control.Monad.Log                        ( defaultBatchingOptions
                                                           , renderWithTimestamp
@@ -56,8 +55,8 @@ import           View                                     ( render )
 
 opts :: [OptDescr (Config -> Config)]
 opts =
-  [ Option [] ["help"]    (NoArg (set cHelp True))           "Show usage info"
-  , Option [] ["port"]    (ReqArg (set cPort . read) "PORT") "Port to run on"
+  [ Option [] ["help"] (NoArg (set cHelp True))           "Show usage info"
+  , Option [] ["port"] (ReqArg (set cPort . read) "PORT") "Port to run on"
   , Option []
            ["interval"]
            (ReqArg (set cInterval . (1000000 *) . read) "INTERVAL (s)")
@@ -68,41 +67,43 @@ usage :: IO ()
 usage = putStrLn $ usageInfo "mat-chalmers [OPTION...]" opts
 
 main :: IO ()
-main =
-  (reifyConfig . getOpt Permute opts <$> getArgs)
-  >>= \case
-        (_                  , _    , _ : _) -> usage
-        (_                  , _ : _, _    ) -> usage
-        (Config{_cHelp=True}, _    , _    ) -> usage
-        (config             , _    , _    ) -> do
-          upd                      <- newMVar () -- putMVar when to update
-          mgr                      <- newTlsManager
-          (viewRef, refreshAction) <- runLoggingT
-            (runReaderT refresh (ClientContext config mgr))
-            print
+main = (reifyConfig . getOpt Permute opts <$> getArgs) >>= \case
+  (_                       , _    , _ : _) -> usage
+  (_                       , _ : _, _    ) -> usage
+  (Config { _cHelp = True }, _    , _    ) -> usage
+  (config                  , _    , _    ) -> do
+    upd                      <- newMVar () -- putMVar when to update
+    mgr                      <- newTlsManager
+    (viewRef, refreshAction) <- runLoggingT
+      (runReaderT refresh (ClientContext config mgr))
+      print
 
-          -- In the list there are three items running concurrently:
-          -- 1. Timer that sends a signal to the updater when it's time to update
-          -- 2. Webserver that serves the menus to the user
-          -- 3. Updater that fetches new data from the restaurants
-          Async.runConcurrently $ traverse_ Async.Concurrently
-            [ timer upd config
-            , webserver config viewRef upd
-            , updater mgr upd refreshAction config
-            ]
+    -- In the list there are three items running concurrently:
+    -- 1. Timer that sends a signal to the updater when it's time to update
+    -- 2. Webserver that serves the menus to the user
+    -- 3. Updater that fetches new data from the restaurants
+    Async.runConcurrently $ traverse_
+      Async.Concurrently
+      [ timer upd config
+      , webserver config viewRef upd
+      , updater mgr upd refreshAction config
+      ]
  where
-   timer upd cfg = forever $ tryPutMVar upd () >> threadDelay (view cInterval cfg)
+  timer upd cfg =
+    forever $ tryPutMVar upd () >> threadDelay (view cInterval cfg)
 
-   updater mgr upd refreshAction cfg =
-     forever
-       $ withFDHandler defaultBatchingOptions stdout 1.0 80
-       $ \logCallback ->
-           runLoggingT
-           (runReaderT (refreshAction upd) (ClientContext cfg mgr))
-           (logCallback . renderWithTimestamp
-             (formatTime defaultTimeLocale (iso8601DateFormat (Just "%H:%M:%S")))
-             id
-           )
+  updater mgr upd refreshAction cfg =
+    forever
+      $ withFDHandler defaultBatchingOptions stdout 1.0 80
+      $ \logCallback -> runLoggingT
+          (runReaderT (refreshAction upd) (ClientContext cfg mgr))
+          ( logCallback
+          . renderWithTimestamp
+              (formatTime defaultTimeLocale
+                          (iso8601DateFormat (Just "%H:%M:%S"))
+              )
+              id
+          )
 
 webserver
   :: Config

diff --git a/src/Config.hs b/src/Config.hs
@@ -13,7 +13,8 @@ data Config = Config
   , _cNextDayHour :: !Int
   , _cInterval    :: !Int
   , _cPort        :: !Int
-  } deriving (Eq, Show)
+  }
+  deriving (Eq, Show)
 
 makeLenses ''Config
 
@@ -29,6 +30,5 @@ defaultConfig = Config False 14 (1000000 * 60 * 30) 5007
 --
 -- TODO: Feel free to bikeshed the function name.
 reifyConfig
-  :: ([Config -> Config], [String], [String])
-  -> (Config,             [String], [String])
-reifyConfig  = (& _1 %~ foldl' (flip id) defaultConfig)
+  :: ([Config -> Config], [String], [String]) -> (Config, [String], [String])
+reifyConfig = (& _1 %~ foldl' (flip id) defaultConfig)