From 8c24464a4bd0a486cd0ddf846d3b5a323a7aaa9a Mon Sep 17 00:00:00 2001
From: Joris
Date: Sun, 4 Oct 2015 20:48:32 +0200
Subject: Using incomes to compute a fair computation to designate the payer

---
 src/server/Utils/Time.hs | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 src/server/Utils/Time.hs

(limited to 'src/server/Utils')

diff --git a/src/server/Utils/Time.hs b/src/server/Utils/Time.hs
new file mode 100644
index 0000000..0d6ed73
--- /dev/null
+++ b/src/server/Utils/Time.hs
@@ -0,0 +1,27 @@
+module Utils.Time
+  ( belongToCurrentMonth
+  , getLocalDate
+  , Date(..)
+  ) where
+
+import Data.Time.Clock
+import Data.Time.LocalTime
+import Data.Time.Calendar
+
+belongToCurrentMonth :: UTCTime -> IO Bool
+belongToCurrentMonth time = do
+  timeMonth <- month <$> getLocalDate time
+  actualMonth <- month <$> (getCurrentTime >>= getLocalDate)
+  return (timeMonth == actualMonth)
+
+getLocalDate :: UTCTime -> IO Date
+getLocalDate time = do
+  timeZone <- getCurrentTimeZone
+  let (y, m, d) = toGregorian . localDay $ utcToLocalTime timeZone time
+  return (Date y m d)
+
+data Date = Date
+  { year :: Integer
+  , month :: Int
+  , day :: Int
+  }
-- 
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