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{-# LANGUAGE OverloadedStrings #-}
module Notification
( notifyTodayAndNextWeek
) where
import qualified Data.Text as T
import SendMail (sendMail)
import Time (formatCurrentLocale)
import Model.Date (getCurrentDate, getNextWeek, SuccessiveDates)
import Model.Event (Event, filterBirthdayAt, filterBirthdayInside)
import Model.Mail (mailSubject, mailBody)
import Model.Conf
notifyTodayAndNextWeek :: [Event] -> Conf -> IO ()
notifyTodayAndNextWeek events conf = do
currentDate <- getCurrentDate
let birthdaysToday = filterBirthdayAt currentDate events
nextWeek <- getNextWeek
birthdaysNextWeek <- filterBirthdaysNextWeek conf nextWeek events
if length birthdaysToday > 0 || length birthdaysNextWeek > 0
then
sendMail
(mailTo conf)
(mailFrom conf)
(mailSubject birthdaysToday birthdaysNextWeek)
(mailBody currentDate nextWeek birthdaysToday birthdaysNextWeek)
else
return ()
filterBirthdaysNextWeek :: Conf -> SuccessiveDates -> [Event] -> IO [Event]
filterBirthdaysNextWeek conf nextWeek events =
(\currentDayOfWeek ->
if T.toLower currentDayOfWeek == T.toLower (dayForNextWeekNotification conf)
then filterBirthdayInside nextWeek events
else []
) <$> formatCurrentLocale "%A"
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