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fix(submissions): off-by-one when isLecturer

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This commit is contained in:
Gregor Kleen 2020-05-18 09:07:14 +02:00
parent bcd3e467d6
commit 01e61f9bfd
1 changed files with 3 additions and 5 deletions
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8
src/Handler/Submission.hs
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@ -464,14 +464,12 @@ submissionHelper tid ssh csh shn mcid = do
res' <- case res of
FormMissing -> return FormMissing
(FormFailure failmsgs) -> return $ FormFailure failmsgs
-- #227 Part II: no longer ignore submitter, if the user is lecturer or admin (allow lecturers to submit for their students)
(FormSuccess res'@(_, groupMembers))
| groupMembers == subUsersOld -> return $ FormSuccess res'
| Arbitrary{..} <- sheetGrouping -> do -- Validate AdHoc Group Members
-- , length gEMails < maxParticipants -> do -- < since submitting user is already accounted for
let (gEMails, gIds) = partitionEithers $ Set.toList groupMembers
prep :: [(E.Value UserEmail, (E.Value UserId, E.Value Bool, E.Value Bool))] -> Map UserEmail (Maybe (UserId, Bool, Bool))
prep ps = Map.filter (maybe True $ \(i,_,_) -> i /= uid) . Map.fromList $ map (, Nothing) gEMails ++ [(m, Just (i,p,s))|(E.Value m, (E.Value i, E.Value p, E.Value s)) <- ps]
prep ps = Map.fromList $ map (, Nothing) gEMails ++ [(m, Just (i,p,s))|(E.Value m, (E.Value i, E.Value p, E.Value s)) <- ps]
participants <- fmap prep . E.select . E.from $ \user -> do
E.where_ $ (user E.^. UserId) `E.in_` E.valList gIds
let
@ -499,8 +497,8 @@ submissionHelper tid ssh csh shn mcid = do
(Just (_,_, True)) -> pure . mr $ MsgSubmissionAlreadyExistsFor email
_other -> mempty
, case fromIntegral (Map.size participants) `compare` maxParticipants of
LT -> mempty
_ -> pure $ mr MsgTooManyParticipants
GT | not isLecturer -> pure $ mr MsgTooManyParticipants
_ -> mempty
]
return $ if null failmsgs
then FormSuccess res'