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{-# LANGUAGE OverloadedStrings #-}
module Model.Birthdate
( Birthdate(..)
, renderBirthdate
, fullname
, age
, filterBirthdayAt
, filterBirthdayInside
) where
import Data.Text (Text)
import qualified Data.Text as T
import Data.Maybe (isJust)
import Model.Date
data Birthdate = Birthdate
{ date :: Date
, firstname :: Text
, lastname :: Text
} deriving (Eq, Show)
renderBirthdate :: Birthdate -> Text
renderBirthdate birthdate =
T.concat
[ fullname birthdate
, " ("
, renderDate (date birthdate)
, ")"
]
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)
filterBirthdayInside :: [Date] -> [Birthdate] -> [Birthdate]
filterBirthdayInside dates = filter (isJust . dayAndMonthInRange dates . date)
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