Vorlesung2016/Übungen/Blatt5-solution/app/Main-Static.hs

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Haskell
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module Main where
import Parser
import GUI
import Types
import Data.ByteString as BS
import Data.Array
import Data.Time
import Data.Word
import Graphics.Gloss
import Data.Monoid
datafile :: String
datafile = "time_ip.csv"
mainStatic :: IO ()
mainStatic = do
df <- BS.readFile datafile
let pd = hourBuckets <$> parseData df
case pd of
Right pd' -> display (InWindow "Bar Chart" (800,600) (100,200)) white (drawBar 240 200 pd')
Left err -> print $ "parsing Error:" <> err
main :: IO ()
main = mainStatic
hourBuckets :: [Data] -> Array Int Int
hourBuckets d = accumArray (+) 0 (0,23) (f <$> d)
where
f (Data _ (TimeOfDay h _ _) _) = (h,1)