4 files changed, 54 insertions, 0 deletions
diff --git a/src/executable/haskell/Utils/Either.hs b/src/executable/haskell/Utils/Either.hs
new file mode 100644
index 0000000..5d62dcc
--- /dev/null
+++ b/src/executable/haskell/Utils/Either.hs
@@ -0,0 +1,7 @@
+module Utils.Either
+  ( mapLeft
+  ) where
+
+mapLeft :: (a -> c) -> Either a b -> Either c b
+mapLeft f (Left l) = Left (f l)
+mapLeft _ (Right r) = (Right r)
diff --git a/src/executable/haskell/Utils/HTTP.hs b/src/executable/haskell/Utils/HTTP.hs
new file mode 100644
index 0000000..c901500
--- /dev/null
+++ b/src/executable/haskell/Utils/HTTP.hs
@@ -0,0 +1,20 @@
+module Utils.HTTP
+  ( get
+  ) where
+
+import           Control.Exception    (SomeException, try)
+
+import           Data.ByteString.Lazy as BS
+import           Data.Text            (Text)
+import qualified Data.Text            as T
+import           Data.Text.Encoding   as T
+import           Network.HTTP.Conduit
+
+import           Model.URL
+import           Utils.Either         (mapLeft)
+
+get :: URL -> IO (Either Text Text)
+get url = mapLeft (T.pack . show) <$> (try (unsafeGetPage url) :: IO (Either SomeException Text))
+
+unsafeGetPage :: URL -> IO Text
+unsafeGetPage url = (T.decodeLatin1 . BS.toStrict) <$> simpleHttp (T.unpack url)
diff --git a/src/executable/haskell/Utils/Text.hs b/src/executable/haskell/Utils/Text.hs
new file mode 100644
index 0000000..1297bbd
--- /dev/null
+++ b/src/executable/haskell/Utils/Text.hs
@@ -0,0 +1,13 @@
+module Utils.Text
+  ( startsWith
+  ) where
+
+import Data.Text (Text)
+import qualified Data.Text as T
+
+startsWith :: Text -> Text -> Bool
+startsWith mbStart text =
+  case (T.uncons mbStart, T.uncons text) of
+    (Just (x, xs), Just (y, ys)) -> x == y && startsWith xs ys
+    (Nothing, _) -> True
+    _ -> False
diff --git a/src/executable/haskell/Utils/Time.hs b/src/executable/haskell/Utils/Time.hs
new file mode 100644
index 0000000..b6045a7
--- /dev/null
+++ b/src/executable/haskell/Utils/Time.hs
@@ -0,0 +1,14 @@
+module Utils.Time
+  ( getCurrentFormattedTime
+  ) where
+
+import           Data.Text           (Text)
+import qualified Data.Text           as T
+
+import           Data.Time.Format    (defaultTimeLocale, formatTime)
+import           Data.Time.LocalTime (getZonedTime)
+
+getCurrentFormattedTime :: IO Text
+getCurrentFormattedTime = do
+  zonedTime <- getZonedTime
+  return (T.pack $ formatTime defaultTimeLocale "%Hh%M" zonedTime)