647 lines
24 KiB
Haskell
647 lines
24 KiB
Haskell
module Handler.Utils.Form
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( module Handler.Utils.Form
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, module Utils.Form
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, MonadWriter(..)
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) where
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import Utils.Form
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import Handler.Utils.Form.Types
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import Handler.Utils.DateTime
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import Import hiding (cons)
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import qualified Data.Char as Char
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import qualified Data.CaseInsensitive as CI
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import qualified Data.Foldable as Foldable
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-- import Yesod.Core
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import qualified Data.Text as T
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-- import Yesod.Form.Types
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import Yesod.Form.Functions (parseHelper)
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import Yesod.Form.Bootstrap3
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import Web.PathPieces (showToPathPiece, readFromPathPiece)
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import Handler.Utils.Zip
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import qualified Data.Conduit.List as C
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import qualified Database.Esqueleto as E
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import Data.Set (Set)
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import qualified Data.Set as Set
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import Data.Map (Map, (!))
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import qualified Data.Map as Map
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import Control.Monad.Trans.Writer (execWriterT, WriterT)
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import Control.Monad.Except (runExceptT)
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import Control.Monad.Writer.Class
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import Data.Scientific (Scientific)
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import Data.Ratio
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import Text.Read (readMaybe)
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import Utils.Lens
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import Data.Aeson (eitherDecodeStrict')
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import Data.Aeson.Text (encodeToLazyText)
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----------------------------
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-- Buttons (new version ) --
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----------------------------
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data BtnDelete = BtnDelete | BtnAbort
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deriving (Enum, Eq, Ord, Bounded, Read, Show)
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instance PathPiece BtnDelete where -- for displaying the button only, not really for paths
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toPathPiece = showToPathPiece
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fromPathPiece = readFromPathPiece
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instance Button UniWorX BtnDelete where
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label BtnDelete = [whamlet|_{MsgBtnDelete}|]
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label BtnAbort = [whamlet|_{MsgBtnAbort}|]
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cssClass BtnDelete = BCDanger
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cssClass BtnAbort = BCDefault
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data RegisterButton = BtnRegister | BtnDeregister
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deriving (Enum, Eq, Ord, Bounded, Read, Show)
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instance PathPiece RegisterButton where
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toPathPiece = showToPathPiece
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fromPathPiece = readFromPathPiece
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instance Button UniWorX RegisterButton where
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label BtnRegister = [whamlet|_{MsgBtnRegister}|]
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label BtnDeregister = [whamlet|_{MsgBtnDeregister}|]
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cssClass BtnRegister = BCPrimary
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cssClass BtnDeregister = BCDanger
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data AdminHijackUserButton = BtnHijack
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deriving (Enum, Eq, Ord, Bounded, Read, Show)
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instance PathPiece AdminHijackUserButton where
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toPathPiece = showToPathPiece
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fromPathPiece = readFromPathPiece
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instance Button UniWorX AdminHijackUserButton where
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label BtnHijack = [whamlet|_{MsgBtnHijack}|]
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cssClass BtnHijack = BCDefault
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data BtnSubmitDelete = BtnSubmit' | BtnDelete'
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deriving (Enum, Eq, Ord, Bounded, Read, Show)
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instance Universe BtnSubmitDelete
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instance Finite BtnSubmitDelete
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instance Button UniWorX BtnSubmitDelete where
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label BtnSubmit' = [whamlet|_{MsgBtnSubmit}|]
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label BtnDelete' = [whamlet|_{MsgBtnDelete}|]
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cssClass BtnSubmit' = BCPrimary
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cssClass BtnDelete' = BCDanger
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nullaryPathPiece ''BtnSubmitDelete (camelToPathPiece' 1 . dropSuffix "'")
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-- -- Looks like a button, but is just a link (e.g. for create course, etc.)
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-- data LinkButton = LinkButton (Route UniWorX)
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-- deriving (Enum, Eq, Ord, Bounded, Read, Show)
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--
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-- instance PathPiece LinkButton where
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-- LinkButton route = ???
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linkButton :: Widget -> ButtonCssClass UniWorX -> Route UniWorX -> Widget -- Alternative: Handler.Utils.simpleLink
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linkButton lbl cls url = [whamlet| <a href=@{url} .btn .#{bcc2txt cls} role=button>^{lbl} |]
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-- [whamlet|
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-- <form method=post action=@{url}>
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-- <input type="hidden" name="_formid" value="identify-linkButton">
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-- <button .btn .#{bcc2txt cls} type=submit value="Link to @{url}">^{lbl}
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-- |]
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-- <input .btn .#{bcc2txt cls} type="submit" value=^{lbl}>
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-- buttonForm :: Button a => Markup -> MForm (HandlerT UniWorX IO) (FormResult a, (WidgetT UniWorX IO ()))
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buttonForm :: (Button UniWorX a, Show a) => Form a
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buttonForm csrf = do
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buttonIdent <- newFormIdent
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let button b = mopt (buttonField b) ("n/a"{ fsName = Just buttonIdent }) Nothing
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(results, btnViews) <- unzip <$> mapM button [minBound..maxBound]
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let widget =
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[whamlet|
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#{csrf}
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$forall bView <- btnViews
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^{fvInput bView}
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|]
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return (accResult results,widget)
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where
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accResult :: Foldable f => f (FormResult (Maybe a)) -> FormResult a
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accResult = Foldable.foldr accResult' FormMissing
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accResult' :: FormResult (Maybe a) -> FormResult a -> FormResult a
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-- Find the single FormSuccess Just _; Expected behaviour: all buttons deliver FormFailure, except for one.
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accResult' (FormSuccess (Just _)) (FormSuccess _) = FormFailure ["Ambiguous button parse"]
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accResult' (FormSuccess (Just x)) _ = FormSuccess x
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accResult' _ x@(FormSuccess _) = x --Safe: most buttons deliver FormFailure, one delivers FormSuccess
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accResult' (FormSuccess Nothing) x = x
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accResult' FormMissing _ = FormMissing
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accResult' (FormFailure errs) _ = FormFailure errs
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------------
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-- Fields --
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------------
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-- ciField moved to Utils.Form
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routeField :: ( Monad m
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, HandlerSite m ~ UniWorX
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) => Field m (Route UniWorX)
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routeField = checkMMap (return . maybe (Left MsgInvalidRoute) Right . fromPathPiece) toPathPiece textField
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natFieldI :: (Monad m, Integral i, RenderMessage (HandlerSite m) msg, RenderMessage (HandlerSite m) FormMessage) => msg -> Field m i
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natFieldI msg = checkBool (>= 0) msg intField
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natField :: (Monad m, Integral i, RenderMessage (HandlerSite m) FormMessage) => Text -> Field m i
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natField d = checkBool (>= 0) (T.append d " muss eine natürliche Zahl sein.") intField
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natIntField ::(Monad m, RenderMessage (HandlerSite m) FormMessage) => Text -> Field m Integer
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natIntField = natField
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posIntField :: (Monad m, Integral i, RenderMessage (HandlerSite m) FormMessage) => Text -> Field m i
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posIntField d = checkBool (>= 1) (T.append d " muss eine positive Zahl sein.") intField
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minIntField :: (Monad m, Integral i, Show i, RenderMessage (HandlerSite m) FormMessage) => i -> Text -> Field m i
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minIntField m d = checkBool (>= m) (T.concat [d," muss größer als ", T.pack $ show m, " sein."]) intField
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pointsField :: (Monad m, HandlerSite m ~ UniWorX) => Field m Points --TODO allow fractions
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pointsField = checkBool (>= 0) MsgPointsNotPositive Field{..}
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where
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fieldEnctype = UrlEncoded
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fieldView theId name attrs val isReq
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= [whamlet|
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$newline never
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<input id=#{theId} name=#{name} *{attrs} type=number step="0.01" :isReq:required value=#{either id tshow val}>
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|]
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fieldParse = parseHelper $ \t -> do
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sci <- maybe (Left $ MsgInvalidNumber t) Right (readMaybe $ unpack t :: Maybe Scientific)
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return . fromRational $ round (sci * 100) % 100
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pointsFieldMax :: (Monad m, HandlerSite m ~ UniWorX) => Maybe Points -> Field m Points --TODO allow fractions
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pointsFieldMax Nothing = pointsField
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pointsFieldMax (Just maxp) = checkBool (<= maxp) (MsgPointsTooHigh maxp) pointsField
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termsActiveField :: Field Handler TermId
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termsActiveField = selectField $ optionsPersistKey [TermActive ==. True] [Desc TermStart] termName
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termsAllowedField :: Field Handler TermId
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termsAllowedField = selectField $ do
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mayEditTerm <- isAuthorized TermEditR True
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let termFilter | Authorized <- mayEditTerm = []
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| otherwise = [TermActive ==. True]
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optionsPersistKey termFilter [Desc TermStart] termName
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termsSetField :: [TermId] -> Field Handler TermId
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termsSetField tids = selectField $ optionsPersistKey [TermName <-. (unTermKey <$> tids)] [Desc TermStart] termName
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-- termsSetField tids = selectFieldList [(unTermKey t, t)| t <- tids ]
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termsActiveOrSetField :: [TermId] -> Field Handler TermId
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termsActiveOrSetField tids = selectField $ optionsPersistKey ([TermActive ==.True] ||. [TermName <-. terms]) [Desc TermStart] termName
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where terms = map unTermKey tids
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-- termActiveOld :: Field Handler TermIdentifier
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-- termActiveOld = convertField unTermKey TermKey $ selectField $ optionsPersistKey [TermActive ==. True] [Desc TermStart] termName
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termNewField :: Field Handler TermIdentifier
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termNewField = checkMMap (return.termFromText) termToText textField
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schoolField :: Field Handler SchoolId
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schoolField = selectField $ optionsPersistKey [] [Asc SchoolName] schoolName
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schoolFieldEnt :: Field Handler (Entity School)
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schoolFieldEnt = selectField $ optionsPersist [] [Asc SchoolName] schoolName
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schoolFieldFor :: [SchoolId] -> Field Handler SchoolId
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schoolFieldFor userSchools = selectField $ optionsPersistKey [SchoolShorthand <-. map unSchoolKey userSchools] [Asc SchoolName] schoolName
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uploadModeField :: Field Handler UploadMode
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uploadModeField = selectField optionsFinite
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submissionModeField :: Field Handler SheetSubmissionMode
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submissionModeField = selectField optionsFinite
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pseudonymWordField :: Field Handler PseudonymWord
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pseudonymWordField = checkMMap doCheck CI.original $ textField & addDatalist (return $ map CI.original pseudonymWordlist)
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where
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doCheck (CI.mk -> w)
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| Just w' <- find (== w) pseudonymWordlist
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= return $ Right w'
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| otherwise
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= return . Left $ MsgUnknownPseudonymWord (CI.original w)
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zipFileField :: Bool -- ^ Unpack zips?
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-> Field Handler (Source Handler File)
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zipFileField doUnpack = Field{..}
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where
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fieldEnctype = Multipart
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fieldParse _ files
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| [f] <- files = return . Right . Just $ bool (yieldM . acceptFile) sourceFiles doUnpack f
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| null files = return $ Right Nothing
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| otherwise = return . Left $ SomeMessage MsgOnlyUploadOneFile
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fieldView fieldId fieldName attrs _ req =
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[whamlet|
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$newline never
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<input type=file ##{fieldId} *{attrs} name=#{fieldName} :req:required>
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|]
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multiFileField :: Handler (Set FileId) -> Field Handler (Source Handler (Either FileId File))
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multiFileField permittedFiles' = Field{..}
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where
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fieldEnctype = Multipart
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fieldParse vals files = return . Right . Just $ do
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pVals <- lift permittedFiles'
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let
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decrypt' :: CryptoUUIDFile -> Handler (Maybe FileId)
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decrypt' = fmap (either (\(_ :: CryptoIDError) -> Nothing) Just) . try . decrypt
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yieldMany vals
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.| C.filter (/= unpackZips)
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.| C.map fromPathPiece .| C.catMaybes
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.| C.mapMaybeM decrypt'
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.| C.filter (`elem` pVals)
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.| C.map Left
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let
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handleFile :: FileInfo -> Source Handler File
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handleFile
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| doUnpack = sourceFiles
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| otherwise = yieldM . acceptFile
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mapM_ handleFile files .| C.map Right
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where
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doUnpack = unpackZips `elem` vals
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fieldView fieldId fieldName _attrs val req = do
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pVals <- handlerToWidget permittedFiles'
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sentVals <- for val $ \src -> handlerToWidget . sourceToList $ src .| takeLefts
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let
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toFUI (E.Value fuiId', E.Value fuiTitle) = do
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fuiId <- encrypt fuiId'
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fuiHtmlId <- newIdent
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let fuiChecked
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| Right sentVals' <- sentVals = fuiId' `elem` sentVals'
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| otherwise = True
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return FileUploadInfo{..}
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fileInfos <- mapM toFUI <=< handlerToWidget . runDB . E.select . E.from $ \file -> do
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E.where_ $ file E.^. FileId `E.in_` E.valList (setToList pVals)
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E.orderBy [E.asc $ file E.^. FileTitle]
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return (file E.^. FileId, file E.^. FileTitle)
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$(widgetFile "multiFileField")
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unpackZips :: Text
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unpackZips = "unpack-zip"
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takeLefts :: Monad m => ConduitM (Either b a) b m ()
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takeLefts = awaitForever $ \case
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Right _ -> return ()
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Left r -> yield r
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data SheetGrading' = Points' | PassPoints' | PassBinary'
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deriving (Eq, Ord, Read, Show, Enum, Bounded)
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instance Universe SheetGrading'
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instance Finite SheetGrading'
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nullaryPathPiece ''SheetGrading' (camelToPathPiece . dropSuffix "'")
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embedRenderMessage ''UniWorX ''SheetGrading' ("SheetGrading" <>)
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data SheetType' = Normal' | Bonus' | Informational' | NotGraded'
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deriving (Eq, Ord, Read, Show, Enum, Bounded)
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instance Universe SheetType'
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instance Finite SheetType'
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nullaryPathPiece ''SheetType' (camelToPathPiece . dropSuffix "'")
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embedRenderMessage ''UniWorX ''SheetType' ("SheetType" <>)
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data SheetGroup' = Arbitrary' | RegisteredGroups' | NoGroups'
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deriving (Eq, Ord, Read, Show, Enum, Bounded)
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instance Universe SheetGroup'
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instance Finite SheetGroup'
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nullaryPathPiece ''SheetGroup' (camelToPathPiece . dropSuffix "'")
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embedRenderMessage ''UniWorX ''SheetGroup' (("SheetGroup" <>) . dropSuffix "'")
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sheetGradingAFormReq :: FieldSettings UniWorX -> Maybe SheetGrading -> AForm Handler SheetGrading
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sheetGradingAFormReq fs template = multiActionA fs selOptions (classify' <$> template)
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where
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selOptions = Map.fromList
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[ ( Points', Points <$> maxPointsReq )
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, ( PassPoints', PassPoints <$> maxPointsReq <*> passPointsReq )
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, ( PassBinary', pure PassBinary)
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]
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classify' :: SheetGrading -> SheetGrading'
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classify' = \case
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Points {} -> Points'
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PassPoints {} -> PassPoints'
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PassBinary {} -> PassBinary'
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maxPointsReq = apreq pointsField (fslI MsgSheetGradingMaxPoints) (template >>= preview _maxPoints)
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passPointsReq = apreq pointsField (fslI MsgSheetGradingPassingPoints) (template >>= preview _passingPoints)
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sheetTypeAFormReq :: FieldSettings UniWorX -> Maybe SheetType -> AForm Handler SheetType
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sheetTypeAFormReq fs template = multiActionA fs selOptions (classify' <$> template)
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where
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selOptions = Map.fromList
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[ ( Normal', Normal <$> gradingReq )
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, ( Bonus' , Bonus <$> gradingReq )
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, ( Informational', Informational <$> gradingReq )
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, ( NotGraded', pure NotGraded )
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]
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gradingReq = sheetGradingAFormReq (fslI MsgSheetGrading
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& setTooltip MsgSheetGradingInfo) (template >>= preview _grading)
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classify' :: SheetType -> SheetType'
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classify' = \case
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Bonus {} -> Bonus'
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Normal {} -> Normal'
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Informational {} -> Informational'
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NotGraded -> NotGraded'
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sheetGroupAFormReq :: FieldSettings UniWorX -> Maybe SheetGroup -> AForm Handler SheetGroup
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sheetGroupAFormReq FieldSettings{..} template = formToAForm $ do
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let
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selOptions = Map.fromList
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[ ( Arbitrary', Arbitrary
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<$> apreq (natField "Gruppengröße") (fslI MsgSheetGroupMaxGroupsize & noValidate) (preview _maxParticipants =<< template)
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)
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, ( RegisteredGroups', pure RegisteredGroups )
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, ( NoGroups', pure NoGroups )
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]
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(res, selView) <- multiAction selOptions (classify' <$> template)
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fvId <- maybe newIdent return fsId
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MsgRenderer mr <- getMsgRenderer
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return (res,
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[ FieldView
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{ fvLabel = toHtml $ mr fsLabel
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, fvTooltip = toHtml . mr <$> fsTooltip
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, fvId
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, fvInput = selView
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, fvErrors = case res of
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FormFailure [e] -> Just $ toHtml e
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_ -> Nothing
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, fvRequired = True
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}
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])
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where
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classify' :: SheetGroup -> SheetGroup'
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classify' = \case
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Arbitrary _ -> Arbitrary'
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RegisteredGroups -> RegisteredGroups'
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NoGroups -> NoGroups'
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{-
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dayTimeField :: FieldSettings UniWorX -> Maybe UTCTime -> Form Handler UTCTime
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dayTimeField fs mutc = do
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let (mbDay,mbTime) = case mutcs of
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Nothing -> return (Nothing,Nothing)
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(Just utc) ->
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(dayResult, dayView) <- mreq dayField fs
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(result, view) <- (,) <$> dayField <*> timeField
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where
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(mbDay,mbTime)
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| (Just utc) <- mutc =
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let lt = utcToLocalTime ??? utcs
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in (Just $ localDay lt, Just $ localTimeOfDay lt)
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| otherwise = (Nothing,Nothing)
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-}
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utcTimeField :: (MonadHandler m, HandlerSite m ~ UniWorX) => Field m UTCTime
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-- StackOverflow: dayToUTC <$> (areq (jqueryDayField def {...}) settings Nothing)
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-- Browser returns LocalTime
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utcTimeField = Field
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{ fieldParse = parseHelperGen readTime
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, fieldView = \theId name attrs val isReq -> do
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val' <- either id id <$> traverse (formatTime' fieldTimeFormat) val
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[whamlet|
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$newline never
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<input id="#{theId}" name="#{name}" *{attrs} type="datetime-local" :isReq:required value="#{val'}">
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|]
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, fieldEnctype = UrlEncoded
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}
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where
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fieldTimeFormat :: String
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--fieldTimeFormat = "%e.%m.%y %k:%M"
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fieldTimeFormat = "%Y-%m-%dT%H:%M"
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-- `defaultTimeLocale` is okay here, since `fieldTimeFormat` does not contain any
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readTime :: Text -> Either UniWorXMessage UTCTime
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readTime t =
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case localTimeToUTC <$> parseTimeM True defaultTimeLocale fieldTimeFormat (T.unpack t) of
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Just LTUUnique{_ltuResult} -> Right _ltuResult
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Just LTUNone{} -> Left MsgIllDefinedUTCTime
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Just LTUAmbiguous{} -> Left MsgAmbiguousUTCTime
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Nothing -> Left MsgInvalidDateTimeFormat
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langField :: Bool -- ^ Only allow values from `appLanguages`
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-> Field (HandlerT UniWorX IO) Lang
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langField False = checkBool (all ((&&) <$> not . null <*> T.all Char.isAlpha) . T.splitOn "-") MsgInvalidLangFormat $ textField & addDatalist (return $ toList appLanguages)
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langField True = selectField . optionsPairs . map (MsgLanguage &&& id) $ toList appLanguages
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jsonField :: ( ToJSON a, FromJSON a
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, MonadHandler m
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, RenderMessage (HandlerSite m) UniWorXMessage
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, RenderMessage (HandlerSite m) FormMessage
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)
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=> Bool {-^ Hidden? -}
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-> Field m a
|
|
jsonField hide = Field{..}
|
|
where
|
|
inputType :: Text
|
|
inputType
|
|
| hide = "hidden"
|
|
| otherwise = "text"
|
|
fieldParse [v] [] = return . bimap (SomeMessage . MsgJSONFieldDecodeFailure) Just . eitherDecodeStrict' $ encodeUtf8 v
|
|
fieldParse [] [] = return $ Right Nothing
|
|
fieldParse _ _ = return . Left $ SomeMessage MsgValueRequired
|
|
fieldView theId name attrs val isReq = liftWidgetT [whamlet|
|
|
<input id=#{theId} name=#{name} *{attrs} type=#{inputType} :isReq:required value=#{either fromStrict encodeToLazyText val}>
|
|
|]
|
|
fieldEnctype = UrlEncoded
|
|
|
|
secretJsonField :: ( ToJSON a, FromJSON a
|
|
, MonadHandler m
|
|
, HandlerSite m ~ UniWorX
|
|
)
|
|
=> Field m a
|
|
secretJsonField = Field{..}
|
|
where
|
|
fieldParse [v] [] = bimap (\_ -> SomeMessage MsgSecretJSONFieldDecryptFailure) Just <$> runExceptT (encodedSecretBoxOpen v)
|
|
fieldParse [] [] = return $ Right Nothing
|
|
fieldParse _ _ = return . Left $ SomeMessage MsgValueRequired
|
|
fieldView theId name attrs val _isReq = do
|
|
val' <- traverse (encodedSecretBox SecretBoxShort) val
|
|
[whamlet|
|
|
<input id=#{theId} name=#{name} *{attrs} type=hidden value=#{either id id val'}>
|
|
|]
|
|
fieldEnctype = UrlEncoded
|
|
|
|
|
|
funcForm :: forall k v m.
|
|
( Finite k, Ord k
|
|
, MonadHandler m
|
|
, HandlerSite m ~ UniWorX
|
|
)
|
|
=> (k -> AForm m v) -> FieldSettings UniWorX -> Bool -> AForm m (k -> v)
|
|
funcForm mkForm FieldSettings{fsName = _, fsAttrs = _, ..} isRequired = formToAForm $ funcFieldView =<< renderAForm FormStandard funcForm' mempty
|
|
where
|
|
funcForm' :: AForm m (k -> v)
|
|
funcForm' = fmap (!) . sequenceA . Map.fromSet mkForm $ Set.fromList universeF
|
|
funcFieldView :: (FormResult (k -> v), Widget) -> MForm m (FormResult (k -> v), [FieldView UniWorX])
|
|
funcFieldView (res, fvInput) = do
|
|
mr <- getMessageRender
|
|
let fvLabel = toHtml $ mr fsLabel
|
|
fvTooltip = fmap (toHtml . mr) fsTooltip
|
|
fvRequired = isRequired
|
|
fvErrors
|
|
| FormFailure (err:_) <- res = Just $ toHtml err
|
|
| otherwise = Nothing
|
|
fvId <- maybe newIdent return fsId
|
|
return (res, pure FieldView{..})
|
|
-- areq nsField (fslI MsgNotificationSettings) (stgNotficationSettings <$> template)
|
|
|
|
|
|
|
|
|
|
fsm :: RenderMessage UniWorX msg => msg -> FieldSettings UniWorX -- DEPRECATED
|
|
fsm = bfs -- TODO: get rid of Bootstrap
|
|
|
|
fsb :: Text -> FieldSettings site -- DEPRECATED
|
|
fsb = bfs -- Just to avoid annoying Ambiguous Type Errors
|
|
|
|
optionsPersistCryptoId :: forall site backend a msg.
|
|
( YesodPersist site
|
|
, PersistQueryRead backend
|
|
, HasCryptoUUID (Key a) (HandlerT site IO)
|
|
, RenderMessage site msg
|
|
, YesodPersistBackend site ~ backend
|
|
, PersistRecordBackend a backend
|
|
)
|
|
=> [Filter a]
|
|
-> [SelectOpt a]
|
|
-> (a -> msg)
|
|
-> HandlerT site IO (OptionList (Entity a))
|
|
optionsPersistCryptoId filts ords toDisplay = fmap mkOptionList $ do
|
|
mr <- getMessageRender
|
|
pairs <- runDB $ selectList filts ords
|
|
cPairs <- forM pairs $ \e@(Entity key _) -> (,) <$> encrypt key <*> pure e
|
|
return $ map (\(cId, e@(Entity _key value)) -> Option
|
|
{ optionDisplay = mr (toDisplay value)
|
|
, optionInternalValue = e
|
|
, optionExternalValue = toPathPiece (cId :: CryptoID UUID (Key a))
|
|
}) cPairs
|
|
|
|
mforced :: (site ~ HandlerSite m, MonadHandler m)
|
|
=> Field m a -> FieldSettings site -> a -> MForm m (FormResult a, FieldView site)
|
|
mforced Field{..} FieldSettings{..} val = do
|
|
tell fieldEnctype
|
|
name <- maybe newFormIdent return fsName
|
|
theId <- lift $ maybe newIdent return fsId
|
|
mr <- getMessageRender
|
|
let fsAttrs' = fsAttrs <> [("disabled", "")]
|
|
return ( FormSuccess val
|
|
, FieldView
|
|
{ fvLabel = toHtml $ mr fsLabel
|
|
, fvTooltip = toHtml <$> fmap mr fsTooltip
|
|
, fvId = theId
|
|
, fvInput = fieldView theId name fsAttrs' (Right val) False
|
|
, fvErrors = Nothing
|
|
, fvRequired = False
|
|
}
|
|
)
|
|
|
|
aforced :: (RenderMessage site FormMessage, HandlerSite m ~ site, MonadHandler m)
|
|
=> Field m a -> FieldSettings site -> a -> AForm m a
|
|
aforced field settings val = formToAForm $ second pure <$> mforced field settings val
|
|
|
|
apreq :: (RenderMessage site FormMessage, HandlerSite m ~ site, MonadHandler m)
|
|
=> Field m a -> FieldSettings site -> Maybe a -> AForm m a
|
|
-- ^ Pseudo required
|
|
apreq f fs mx = formToAForm $ do
|
|
mr <- getMessageRender
|
|
over _1 (maybe (FormFailure [mr MsgValueRequired]) return =<<) . over _2 (pure . (\fv -> fv { fvRequired = True } )) <$> mopt f fs (Just <$> mx)
|
|
|
|
wpreq :: (RenderMessage site FormMessage, HandlerSite m ~ site, MonadHandler m)
|
|
=> Field m a -> FieldSettings site -> Maybe a -> WForm m (FormResult a)
|
|
wpreq f fs mx = mFormToWForm $ do
|
|
mr <- getMessageRender
|
|
over _1 (maybe (FormFailure [mr MsgValueRequired]) return =<<) . over _2 (\fv -> fv { fvRequired = True } ) <$> mopt f fs (Just <$> mx)
|
|
|
|
multiAction :: (RenderMessage UniWorX action, PathPiece action, Ord action, Eq action)
|
|
=> Map action (AForm (HandlerT UniWorX IO) a)
|
|
-> Maybe action
|
|
-> MForm (HandlerT UniWorX IO) (FormResult a, Widget)
|
|
multiAction acts defAction = do
|
|
mr <- getMessageRender
|
|
let
|
|
options = OptionList [ Option (mr a) a (toPathPiece a) | a <- Map.keys acts ] fromPathPiece
|
|
(actionRes, actionView) <- mreq (selectField $ return options) "" defAction
|
|
results <- mapM (fmap (over _2 ($ [])) . aFormToForm) acts
|
|
let mToWidget (_, []) = return Nothing
|
|
mToWidget aForm = Just . snd <$> renderAForm FormStandard (formToAForm $ return aForm) mempty
|
|
widgets <- mapM mToWidget results
|
|
let actionWidgets = Map.foldrWithKey accWidget [] widgets
|
|
accWidget _act Nothing = id
|
|
accWidget act (Just w) = cons $(widgetFile "widgets/multiAction")
|
|
actionResults = Map.map fst results
|
|
return ((actionResults Map.!) =<< actionRes, $(widgetFile "widgets/multiActionCollect"))
|
|
|
|
multiActionA :: (RenderMessage UniWorX action, PathPiece action, Ord action, Eq action)
|
|
=> FieldSettings UniWorX
|
|
-> Map action (AForm (HandlerT UniWorX IO) a)
|
|
-> Maybe action
|
|
-> AForm (HandlerT UniWorX IO) a
|
|
multiActionA FieldSettings{..} acts defAction = formToAForm $ do
|
|
(res, selView) <- multiAction acts defAction
|
|
|
|
fvId <- maybe newIdent return fsId
|
|
MsgRenderer mr <- getMsgRenderer
|
|
|
|
return (res,
|
|
[ FieldView
|
|
{ fvLabel = toHtml $ mr fsLabel
|
|
, fvTooltip = toHtml . mr <$> fsTooltip
|
|
, fvId
|
|
, fvInput = selView
|
|
, fvErrors = case res of
|
|
FormFailure [e] -> Just $ toHtml e
|
|
_ -> Nothing
|
|
, fvRequired = True
|
|
}
|
|
])
|
|
|
|
formResultModal :: (MonadHandler m, RedirectUrl (HandlerSite m) route) => FormResult a -> route -> (a -> WriterT [Message] m ()) -> m ()
|
|
formResultModal res finalDest handler = maybeT_ $ do
|
|
messages <- case res of
|
|
FormMissing -> mzero
|
|
FormFailure errs -> mapM_ (addMessage Error . toHtml) errs >> mzero
|
|
FormSuccess val -> lift . execWriterT $ handler val
|
|
|
|
isModal <- hasCustomHeader HeaderIsModal
|
|
if
|
|
| isModal -> sendResponse $ toJSON messages
|
|
| otherwise -> do
|
|
forM_ messages $ \Message{..} -> addMessage messageClass messageContent
|
|
redirect finalDest
|