fradrive/src/Handler/Utils.hs
2019-01-30 09:45:43 +01:00

77 lines
2.9 KiB
Haskell

module Handler.Utils
( module Handler.Utils
) where
import Import
import qualified Data.Text as T
-- import qualified Data.Set (Set)
import qualified Data.Set as Set
import Handler.Utils.DateTime as Handler.Utils
import Handler.Utils.Form as Handler.Utils
import Handler.Utils.Table as Handler.Utils
import Handler.Utils.Table.Pagination as Handler.Utils
import Handler.Utils.Zip as Handler.Utils
import Handler.Utils.Rating as Handler.Utils hiding (extractRatings)
-- import Handler.Utils.Submission as Handler.Utils
import Handler.Utils.Sheet as Handler.Utils
import Handler.Utils.Templates as Handler.Utils
import Handler.Utils.Mail as Handler.Utils
downloadFiles :: (MonadHandler m, HandlerSite m ~ UniWorX) => m Bool
downloadFiles = do
mauth <- liftHandlerT maybeAuth
case mauth of
Just (Entity _ User{..}) -> return userDownloadFiles
Nothing -> do
AppSettings{ appUserDefaults = UserDefaultConf{..} } <- getsYesod appSettings
return userDefaultDownloadFiles
tidFromText :: Text -> Maybe TermId
tidFromText = fmap TermKey . maybeRight . termFromText
simpleLink :: Widget -> Route UniWorX -> Widget
simpleLink lbl url = [whamlet|<a href=@{url}>^{lbl}|]
nameWidget :: Text -> Text -> Widget
nameWidget displayName surname = toWidget $ nameHtml displayName surname
nameHtml :: Text -> Text -> Html
nameHtml displayName surname
| null surname = toHtml displayName
| otherwise = case reverse $ T.splitOn surname displayName of
[_notContained] -> [shamlet|$newline never
#{displayName} (
<b .surname>#{surname}
)|]
(suffix:prefixes) ->
let prefix = T.intercalate surname $ reverse prefixes
in [shamlet|$newline never
#{prefix}
<b .surname>#{surname}
#{suffix}
|]
[] -> error "Data.Text.splitOn returned empty list in violation of specification."
warnTermDays :: TermId -> [Maybe UTCTime] -> DB ()
warnTermDays tid times = do
Term{..} <- get404 tid
let alldays = Set.map utctDay $ Set.fromList $ catMaybes times
warnholidays = Set.intersection alldays $ Set.fromList termHolidays
outoftermdays = Set.filter (\d -> d < termStart || d > termEnd ) alldays
outoflecture = Set.filter (\d -> d < termLectureStart || d > termLectureEnd) alldays
`Set.difference` outoftermdays -- out of term implies out of lecture-time
warnI msg d = formatTime SelFormatDate d >>= \dt -> addMessageI Warning $ msg tid dt
forM_ warnholidays $ warnI MsgDayIsAHoliday
forM_ outoflecture $ warnI MsgDayIsOutOfLecture
forM_ outoftermdays $ warnI MsgDayIsOutOfTerm
visibleWidget :: Bool -> Widget
-- ^ @visibleWidget False@ is an icon that denotes that something™ is not visible
visibleWidget True = mempty
visibleWidget False = [whamlet|<i .fas .fa-eye-slash>|]