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{-# 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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