From 5375ad26dd78220185f1ffe05222250c06dc1a0c Mon Sep 17 00:00:00 2001
From: Joris
Date: Sat, 21 Nov 2015 21:41:38 +0100
Subject: Get next week birthdays and send an empty mail for the moment

---
 src/Model/Birthdate.hs | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 src/Model/Birthdate.hs

(limited to 'src/Model/Birthdate.hs')

diff --git a/src/Model/Birthdate.hs b/src/Model/Birthdate.hs
new file mode 100644
index 0000000..d135419
--- /dev/null
+++ b/src/Model/Birthdate.hs
@@ -0,0 +1,38 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module Model.Birthdate
+  ( Birthdate(..)
+  , fullname
+  , age
+  , filterBirthdayAt
+  , filterBirthdayBetween
+  ) where
+
+import Data.Text (Text)
+import qualified Data.Text as T
+
+import Model.Date
+
+data Birthdate = Birthdate
+  { date :: Date
+  , firstname :: Text
+  , lastname :: Text
+  } deriving (Eq, Show)
+
+fullname :: Birthdate -> Text
+fullname d = T.concat [firstname d, " ", lastname d]
+
+age :: Date -> Birthdate -> Int
+age currentDate birthdate = yearsGap currentDate (date birthdate)
+
+filterBirthdayAt :: Date -> [Birthdate] -> [Birthdate]
+filterBirthdayAt d = filter (sameDayAndMonth d . date)
+
+filterBirthdayBetween :: Date -> Date -> [Birthdate] -> [Birthdate]
+filterBirthdayBetween begin end =
+  filter (\bd ->
+    let d = date bd
+    in  (  d `isAfterOrEqualDayAndMonth` begin
+        && d `isBeforeOrEqualDayAndMonth` end
+        )
+  )
-- 
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