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module Util.Time
( belongToCurrentMonth
, belongToCurrentWeek
, timeToDay
) where
import Data.Time.Calendar
import Data.Time.Calendar.WeekDate (toWeekDate)
import Data.Time.Clock (UTCTime, getCurrentTime)
import Data.Time.LocalTime
belongToCurrentMonth :: UTCTime -> IO Bool
belongToCurrentMonth time = do
(timeYear, timeMonth, _) <- toGregorian <$> timeToDay time
(actualYear, actualMonth, _) <- toGregorian <$> (getCurrentTime >>= timeToDay)
return (actualYear == timeYear && actualMonth == timeMonth)
belongToCurrentWeek :: UTCTime -> IO Bool
belongToCurrentWeek time = do
(timeYear, timeWeek, _) <- toWeekDate <$> timeToDay time
(actualYear, actualWeek, _) <- toWeekDate <$> (getCurrentTime >>= timeToDay)
return (actualYear == timeYear && actualWeek == timeWeek)
timeToDay :: UTCTime -> IO Day
timeToDay time = localDay . (flip utcToLocalTime time) <$> getTimeZone time
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