fradrive/src/Jobs/Handler/LMS.hs

546 lines
34 KiB
Haskell

-- SPDX-FileCopyrightText: 2022-23 Steffen Jost <s.jost@fraport.de>,Steffen Jost <jost@tcs.ifi.lmu.de>
--
-- SPDX-License-Identifier: AGPL-3.0-or-later
{-# LANGUAGE TypeApplications #-}
module Jobs.Handler.LMS
( dispatchJobLmsQualificationsEnqueue
, dispatchJobLmsQualificationsDequeue
, dispatchJobLmsEnqueue, dispatchJobLmsEnqueueUser
, dispatchJobLmsDequeue
, dispatchJobLmsReports
, dispatchJobLmsResults
, dispatchJobLmsUserlist
) where
import Import
import Jobs.Queue
-- import Jobs.Handler.Intervals.Utils
import Database.Persist.Sql -- (deleteWhereCount, updateWhereCount)
import Database.Esqueleto.Experimental ((:&)(..))
import qualified Database.Esqueleto.Experimental as E
--import qualified Database.Esqueleto.Legacy as E
-- import qualified Database.Esqueleto.PostgreSQL as E -- for insertSelect variant
import qualified Database.Esqueleto.Utils as E
import qualified Data.Set as Set
-- import qualified Data.Map as Map
import qualified Data.Time.Zones as TZ
import Handler.Utils.DateTime
import Handler.Utils.LMS (randomLMSIdentBut, randomLMSpw, maxLmsUserIdentRetries)
import Handler.Utils.Qualification
import qualified Data.CaseInsensitive as CI
import qualified Data.Text as Text
dispatchJobLmsQualificationsEnqueue :: JobHandler UniWorX
dispatchJobLmsQualificationsEnqueue = JobHandlerAtomic $ fetchRefreshQualifications JobLmsEnqueue
dispatchJobLmsQualificationsDequeue :: JobHandler UniWorX
dispatchJobLmsQualificationsDequeue = JobHandlerAtomic $ fetchRefreshQualifications JobLmsDequeue
-- execute given job for all qualifications that allow refreshs
fetchRefreshQualifications :: (QualificationId -> Job) -> YesodJobDB UniWorX ()
fetchRefreshQualifications qidJob = do
qids <- E.select $ do
q <- E.from $ E.table @Qualification
E.where_ $ E.isJust (q E.^. QualificationRefreshWithin)
pure $ q E.^. QualificationId
forM_ qids $ \(E.unValue -> qid) ->
queueDBJob $ qidJob qid
-- | enlist expiring qualification holders to e-learning
-- NOTE: getting rid of QualificationId parameter and using a DB-join fails, since addGregorianDurationClip cannot be performed within DB
dispatchJobLmsEnqueue :: QualificationId -> JobHandler UniWorX
dispatchJobLmsEnqueue qid = JobHandlerAtomic act
where
-- act :: YesodJobDB UniWorX ()
act = do
quali <- getJust qid -- may throw an error, aborting the job
let qshort = CI.original $ qualificationShorthand quali
$logInfoS "LMS" $ "Notifying about exipiring qualification " <> qshort
now <- liftIO getCurrentTime
case qualificationRefreshWithin quali of
Nothing -> return () -- TODO: no renewal period, no reminders currently
(Just renewalPeriod) -> do
let nowaday = utctDay now
renewalDate = addGregorianDurationClip renewalPeriod nowaday
sendReminders remindPeriod = do
let remindDate = addGregorianDurationClip remindPeriod nowaday
reminders <- E.select $ do -- TODO: refactor to remove some redundancies with later query
(luser :& quser) <- E.from $ E.table @LmsUser `E.innerJoin` E.table @QualificationUser
`E.on` (\(luser :& quser) -> luser E.^. LmsUserQualification E.==. quser E.^. QualificationUserQualification
E.&&. luser E.^. LmsUserUser E.==. quser E.^. QualificationUserUser
)
E.where_ $ quser E.^. QualificationUserQualification E.==. E.val qid
E.&&. quser E.^. QualificationUserScheduleRenewal
E.&&. quser E.^. QualificationUserValidUntil E.<=. E.val remindDate
E.&&. validQualification now quser
E.&&. E.isNothing (luser E.^. LmsUserEnded)
E.&&. E.isNothing (luser E.^. LmsUserStatus)
E.&&. E.isJust (luser E.^. LmsUserNotified)
-- E.&&. ((day_ (luser E.^. LmsUserNotified) E.+. E.interval remindPeriod) E.<. quser E.^. QualificationUserValidUntil) -- not sure whether may throw runtime errors, so we check in Haskell-Land instead
return (luser, quser E.^. QualificationUserValidUntil)
forM_ reminders $ \case
(Entity _ LmsUser{lmsUserUser=luser, lmsUserNotified=Just lnotified}, E.Value quValidUntil)
| addGregorianDurationClip remindPeriod (utctDay lnotified) < quValidUntil ->
queueDBJob JobUserNotification
{ jRecipient = luser
, jNotification = NotificationQualificationRenewal { nQualification = qid, nReminder = True }
}
_ -> return ()
-- send second reminders first, before enqueing even more
ifMaybeM (qualificationRefreshReminder quali) () sendReminders
renewalUsers <- E.select $ do
quser <- E.from $ E.table @QualificationUser
E.where_ $ quser E.^. QualificationUserQualification E.==. E.val qid
E.&&. quser E.^. QualificationUserScheduleRenewal
E.&&. quser E.^. QualificationUserValidUntil E.<=. E.val renewalDate
E.&&. (quser `qualificationValid` now)
E.&&. E.notExists (do
luser <- E.from $ E.table @LmsUser
E.where_ $ luser E.^. LmsUserQualification E.==. E.val qid
E.&&. luser E.^. LmsUserUser E.==. quser E.^. QualificationUserUser
E.&&. E.isNothing (luser E.^. LmsUserEnded)
)
pure quser
let usr_job :: Entity QualificationUser -> Job
usr_job quser =
let uid = quser ^. _entityVal . _qualificationUserUser
uex = quser ^. _entityVal . _qualificationUserValidUntil
in if qualificationElearningStart quali
then JobLmsEnqueueUser { jQualification = qid, jUser = uid }
else JobUserNotification { jRecipient = uid, jNotification =
NotificationQualificationExpiry { nQualification = qid, nExpiry = uex }
}
forM_ renewalUsers (queueDBJob . usr_job)
dispatchJobLmsEnqueueUser :: QualificationId -> UserId -> JobHandler UniWorX
dispatchJobLmsEnqueueUser qid uid = JobHandlerAtomic act
where
act :: YesodJobDB UniWorX ()
act = do
quali <- getJust qid -- may throw an error, aborting the job
let qshort = CI.original $ qualificationShorthand quali
qprefix = fst <$> Text.uncons (Text.toLower qshort)
identsInUseVs <- E.select $ do
lui <- E.from $
( (E.^. LmsUserIdent) <$> E.from (E.table @LmsUser ) ) -- no filter by Qid, since LmsIdents must be unique across all
`E.union_`
( (E.^. LmsReportIdent) <$> E.from (E.table @LmsReport ) ) -- V2
`E.union_`
( (E.^. LmsResultIdent) <$> E.from (E.table @LmsResult ) ) -- V1 DEPRECATED
`E.union_`
( (E.^. LmsUserlistIdent) <$> E.from (E.table @LmsUserlist) ) -- V1 DEPRECATED
E.orderBy [E.asc lui]
pure lui
now <- liftIO getCurrentTime
let identsInUse = Set.fromList (E.unValue <$> identsInUseVs)
mkLmsUser lpin lid = LmsUser
{ lmsUserQualification = qid
, lmsUserUser = uid
, lmsUserIdent = lid
, lmsUserPin = lpin
, lmsUserResetPin = False
, lmsUserDatePin = now
, lmsUserStatus = Nothing
, lmsUserStatusDay = Nothing
, lmsUserStarted = now
, lmsUserReceived = Nothing
, lmsUserNotified = Nothing
, lmsUserEnded = Nothing
, lmsUserResetTries = False
, lmsUserLocked = True -- initially display locked, since it is not yet available until the first feedback
}
-- startLmsUser :: YesodJobDB UniWorX (Maybe (Entity LmsUser))
startLmsUser = do
lpw <- randomLMSpw
maybeM (pure Nothing) (E.insertUniqueEntity . mkLmsUser lpw) (randomLMSIdentBut qprefix identsInUse)
-- runMaybeT $ do
-- lid <- MaybeT $ randomLMSIdentBu qprefix identsInUse
-- MaybeT $ E.insertUniqueEntity $ mkLmsUser lpw lid
inserted <- untilJustMaxM maxLmsUserIdentRetries startLmsUser
case inserted of
Nothing -> do
uuid :: CryptoUUIDUser <- encrypt uid
$logErrorS "LMS" $ "Generating and inserting fresh LmsIdent failed for uuid " <> tshow uuid <> " and qid " <> tshow qid <> "!"
(Just Entity{entityKey=lkey, entityVal=LmsUser{lmsUserIdent=lid, lmsUserUser=luid, lmsUserQualification=lqid}}) -> -- lmsUser started, but not yet notified
audit $ TransactionLmsStart
{ transactionQualification = lqid
, transactionLmsIdent = lid
, transactionLmsUser = luid
, transactionLmsUserKey = lkey
}
-- purge LmsIdent after QualificationAuditDuration expired
dispatchJobLmsDequeue :: QualificationId -> JobHandler UniWorX
dispatchJobLmsDequeue qid = JobHandlerAtomic act
where
act = do
quali <- getJust qid -- may throw an error, aborting the job
let qshort = CI.original $ qualificationShorthand quali
$logInfoS "LMS" $ "Processing e-learning results for qualification " <> qshort
now <- liftIO getCurrentTime
-- end users that expired by doing nothing
expiredUsers <- E.select $ do
(quser :& luser) <- E.from $
E.table @QualificationUser
`E.leftJoin` E.table @LmsUser
`E.on` (\(quser :& luser) ->
luser E.?. LmsUserUser E.?=. quser E.^. QualificationUserUser
E.&&. luser E.?. LmsUserQualification E.?=. quser E.^. QualificationUserQualification)
E.where_ $ quser E.^. QualificationUserQualification E.==. E.val qid
-- E.&&. luser E.?. LmsUserQualification E.?=. E.val qid
-- E.&&. E.isNothing (luser E.^. LmsUserStatus)
-- E.&&. E.isNothing (luser E.^. LmsUserEnded)
E.&&. E.not_ (validQualification now quser)
pure (luser E.?. LmsUserId, quser E.^. QualificationUserUser)
nrBlocked <- qualificationUserBlocking qid (E.unValue . snd <$> expiredUsers) False (Just now) (Right QualificationBlockExpired) True -- essential that blocks occur only once
let expiredLearners = [ luid | (E.Value (Just luid), _) <- expiredUsers ]
-- let expiredLearners = catMaybes (E.unValue . fst <$> expiredUsers)
nrExpired <- E.updateCount $ \luser -> do
E.set luser [LmsUserStatus E.=. E.justVal LmsExpired, LmsUserStatusDay E.=. E.justVal now]
E.where_ $ E.isNothing (luser E.^. LmsUserStatus)
E.&&. luser E.^. LmsUserQualification E.==. E.val qid
E.&&. (luser E.^. LmsUserId) `E.in_` E.valList expiredLearners
$logInfoS "LMS" $ "Expired qualification holders " <> tshow nrBlocked <> " and expired lms users " <> tshow nrExpired <> " for qualification " <> qshort
when (quali ^. _qualificationExpiryNotification) $ do -- notifies expired and previously lms-failed drivers
notifyInvalidDrivers <- E.select $ do
(quser :& qblock) <- E.from $
E.table @QualificationUser
`E.leftJoin` E.table @QualificationUserBlock
`E.on` (\(quser :& qblock) -> qblock E.?. QualificationUserBlockQualificationUser E.?=. quser E.^. QualificationUserId
E.&&. qblock `isLatestBlockBefore` E.val now
)
E.where_ $ -- E.not_ (validQualification now quser) -- currently invalid
quser E.^. QualificationUserQualification E.==. E.val qid -- correct qualification
E.&&. quserToNotify now quser qblock -- recently became invalid or blocked
pure (quser E.^. QualificationUserUser)
forM_ notifyInvalidDrivers $ \(E.Value uid) ->
queueDBJob JobUserNotification
{ jRecipient = uid
, jNotification = NotificationQualificationExpired { nQualification = qid }
}
-- purge outdated LmsUsers
case qualificationAuditDuration quali of
Nothing -> return () -- no automatic removal
(Just auditDuration) -> do
let auditCutoff = addDiffDaysRollOver (fromMonths $ negate auditDuration) now
$logInfoS "LMS" $ "Audit Cuttoff at " <> tshow auditCutoff <> " for Audit Duration " <> tshow auditDuration <> " for qualification " <> qshort
delusersVals <- E.select $ do
luser <- E.from $ E.table @LmsUser
E.where_ $ luser E.^. LmsUserQualification E.==. E.val qid
E.&&. luser E.^. LmsUserEnded E.<. E.justVal auditCutoff
E.&&. E.isJust (luser E.^. LmsUserEnded)
-- E.&&. E.notExists (do
-- laudit <- E.from $ E.table @LmsAudit
-- E.where_ $ laudit E.^. LmsAuditQualification E.==. E.val qid
-- E.&&. laudit E.^. LmsAuditIdent E.==. luser E.^. LmsUserIdent
-- E.&&. laudit E.^. LmsAuditProcessed E.>=. E.val auditCutoff
-- )
pure (luser E.^. LmsUserIdent)
let delusers = E.unValue <$> delusersVals
numdel = length delusers
when (numdel > 0) $ do
$logInfoS "LMS" $ "Deleting " <> tshow numdel <> " LmsIdents due to audit duration expiry for qualification " <> qshort
deleteWhere [LmsUserQualification ==. qid, LmsUserIdent <-. delusers]
deleteWhere [LmsUserlistQualification ==. qid, LmsUserlistIdent <-. delusers]
deleteWhere [LmsResultQualification ==. qid, LmsResultIdent <-. delusers]
-- deleteWhere [LmsAuditQualification ==. qid, LmsAuditIdent <-. delusers]
deleteWhere [LmsReportLogQualification ==. qid, LmsReportLogTimestamp <. auditCutoff ]
dispatchJobLmsReports :: QualificationId -> JobHandler UniWorX
dispatchJobLmsReports qid = JobHandlerAtomic act
where
-- act :: YesodJobDB UniWorX ()
act = whenM (exists [LmsReportQualification ==. qid]) $ do -- executing twice must be prohibited due to assertion that ALL learners are always sent (D fails otherwise)
now <- liftIO getCurrentTime
-- DEBUG 2rows; remove later
totalrows <- count [LmsReportQualification ==. qid]
$logInfoS "LMS" $ "Report processing " <> tshow totalrows <> " rows for qualification " <> tshow qid
when (totalrows > 0) $ do
let -- locDay = localDay $ TZ.utcToLocalTimeTZ appTZ now -- no longer necessary, since LMS reports dates only
-- DB query for LmsUserUser, provided a matching LmsReport exists
luserQry luFltr repFltr = E.select $ do
luser <- E.from $ E.table @LmsUser
E.where_ $ E.val qid E.==. luser E.^. LmsUserQualification
E.&&. E.isNothing (luser E.^. LmsUserEnded) -- ignore all closed learners
E.&&. luFltr luser
E.&&. E.exists (do
lreport <- E.from $ E.table @LmsReport
E.where_ $ lreport E.^. LmsReportIdent E.==. luser E.^. LmsUserIdent
E.&&. lreport E.^. LmsReportQualification E.==. E.val qid
E.&&. repFltr luser lreport
)
return $ luser E.^. LmsUserUser
-- DB query for LmsUser innerJoin LmsReport
lrepQry lrFltr = E.select $ do
(luser :& lreport) <- E.from $ E.table @LmsUser`E.innerJoin` E.table @LmsReport
`E.on` (\(luser :& lreport) -> luser E.^. LmsUserIdent E.==. lreport E.^. LmsReportIdent
E.&&. luser E.^. LmsUserQualification E.==. lreport E.^. LmsReportQualification)
E.where_ $ luser E.^. LmsUserQualification E.==. E.val qid
E.&&. lreport E.^. LmsReportQualification E.==. E.val qid
E.&&. E.isNothing (luser E.^. LmsUserEnded) -- ignore all closed learners
E.&&. lrFltr luser lreport
return (luser, lreport)
-- A) reset status for learners that had their tries just resetted as indicated by LmsOpen
E.update $ \luser -> do
E.set luser [ LmsUserStatus E.=. E.nothing
, LmsUserStatusDay E.=. E.nothing
, LmsUserResetTries E.=. E.false ]
E.where_ $ E.val qid E.==. luser E.^. LmsUserQualification
E.&&. E.isNothing (luser E.^. LmsUserEnded ) -- must still exist at server
E.&&. E.isJust (luser E.^. LmsUserReceived) -- seen before, for otherwise it might not have been started yet
E.&&. luser E.^. LmsUserResetTries
E.&&. E.exists (do
lreport <- E.from $ E.table @LmsReport
E.where_ $ lreport E.^. LmsReportIdent E.==. luser E.^. LmsUserIdent
E.&&. lreport E.^. LmsReportQualification E.==. E.val qid
E.&&. lreport E.^. LmsReportResult E.==. E.val LmsOpen
E.&&. lreport E.^. LmsReportLock E.==. E.true
)
-- B) notify all newly reported users that lms is available
let luserFltrNew luser = E.isNothing $ luser E.^. LmsUserReceived -- not seen before, just starting
notifyNewLearner (E.Value uid) = queueDBJob JobUserNotification { jRecipient = uid, jNotification = NotificationQualificationRenewal { nQualification = qid, nReminder = False } }
in luserQry luserFltrNew (const $ const E.true) >>= mapM_ notifyNewLearner
-- C) block qualifications for failed learners by calling qualificationUserBlocking [uids] (includes audit), notified during expiry
let lrFltrBlock luser lreport = E.isNothing (luser E.^. LmsUserStatus) E.&&. lreport E.^. LmsReportResult E.==. E.val LmsFailed
procBlock (Entity luid luser, Entity _ lreport) = do
let repDay = lmsReportDate lreport <|> Just now
ok_block <- qualificationUserBlocking qid [lmsUserUser luser] False (lmsReportDate lreport) (Right $ QualificationBlockFailedELearningBy $ lmsUserIdent luser) True -- only valid qualifications are blocked; transcribes to audit log
update luid [LmsUserStatus =. Just LmsBlocked, LmsUserStatusDay =. repDay]
return $ Sum ok_block
in lrepQry lrFltrBlock
>>= foldMapM procBlock
>>= \s -> $logInfoS "LMS" $ "Report processing: " <> tshow (getSum s) <> " status set to blocked for qualification " <> tshow qid -- debug, remove later
-- D) renew qualifications for all successfull learners
let lrFltrSuccess luser lreport = E.isNothing (luser E.^. LmsUserStatus) E.&&. lreport E.^. LmsReportResult E.==. E.val LmsPassed
procRenew (Entity luid luser, Entity _ lreport) = do
let repDay = lmsReportDate lreport <|> Just now
reason = Just $ Right $ QualificationRenewELearningBy $ lmsUserIdent luser
-- LMS WORKAROUND 2: [supposedly fixed now] sometimes we receive success and failure simultaneously; success is correct, hence we must unblock if the reason was e-learning
-- let reason_undo = Left $ "LMS Workaround undoing: " <> qualificationBlockedReasonText QualificationBlockFailedELearning
-- ok_unblock <- qualificationUserUnblockByReason qid [lmsUserUser luser] repTime (Right QualificationBlockFailedELearning) reason_undo False -- affects audit log
-- when (ok_unblock > 0) ($logWarnS "LMS" [st|LMS Result: workaround triggered, unblocking #{tshow ok_unblock} e-learners for #{tshow qid} having success reported after initially failed e-learning|])
-- END LMS WORKAROUND 2
ok_renew <- renewValidQualificationUsers qid reason repDay [lmsUserUser luser]-- only valid qualifications are truly renewed; transcribes to audit log
update luid [LmsUserStatus =. Just LmsSuccess, LmsUserStatusDay =. repDay]
return $ Sum ok_renew
in lrepQry lrFltrSuccess
>>= foldMapM procRenew
>>= \s -> $logInfoS "LMS" $ "Report processing: " <> tshow (getSum s) <> " renewed and status set to success for qualification " <> tshow qid -- debug, remove later
-- E) mark all previuosly reported, but now unreported users as ended (LMS deleted them as expected)
E.update $ \luser -> do
E.set luser [ LmsUserEnded E.=. E.justVal now ]
E.where_ $ E.val qid E.==. luser E.^. LmsUserQualification
E.&&. E.isNothing (luser E.^. LmsUserEnded )
E.&&. E.isJust (luser E.^. LmsUserStatus ) -- status is decided
E.&&. E.isJust (luser E.^. LmsUserReceived) -- seen before, for otherwise it might not have been started yet
E.&&. E.notExists (do
lreport <- E.from $ E.table @LmsReport
E.where_ $ lreport E.^. LmsReportIdent E.==. luser E.^. LmsUserIdent
E.&&. lreport E.^. LmsReportQualification E.==. E.val qid
)
-- F) lock expired learners: happens during JobLmsDequeue only
-- G) update lock and received
let updateReceivedLocked lockstatus = E.updateCount $ \luser -> do -- due to the absence of UPDATE..FROM in esqueleto, we call update twice
E.set luser [ LmsUserReceived E.=. E.justVal now
, LmsUserLocked E.=. E.val lockstatus ]
E.where_ $ E.val qid E.==. luser E.^. LmsUserQualification
-- E.&&. E.isNothing (luser E.^. LmsUserEnded) -- should always be true, but maybe there is a bug?
E.&&. E.exists (do
lreport <- E.from $ E.table @LmsReport
E.where_ $ lreport E.^. LmsReportIdent E.==. luser E.^. LmsUserIdent
E.&&. lreport E.^. LmsReportQualification E.==. E.val qid
E.&&. lreport E.^. LmsReportLock E.==. E.val lockstatus -- Maybe more efficient, but less readable: bool E.not_ id lockstatus (lreport E.^. LmsReport Lock)
)
-- NOTE: this code leads to a runtime errror; apparently from-clauses are not allowed in updates yet
-- let updateReceivedLocked lockstatus = E.update $ \luser -> do -- attempt to use 'from'-clause in update as per PostgreSQL
-- E.set luser [ LmsUserReceived E.=. E.justVal now
-- , LmsUserLocked E.=. E.val lockstatus ]
-- lreport <- E.from $ E.table @LmsReport
-- E.where_ $ E.isNothing (luser E.^. LmsUserEnded)
-- E.&&. luser E.^. LmsUserQualification E.==. E.val qid
-- E.&&. lreport E.^. LmsReportQualification E.==. E.val qid
-- E.&&. lreport E.^. LmsReportIdent E.==. luser E.^. LmsUserIdent
-- E.&&. lreport E.^. LmsReportLock E.==. E.val lockstatus -- Maybe more efficient, but less readable: bool E.not_ id lockstatus (lreport E.^. LmsReport Lock)
updateReceivedLocked False
>>= \nr -> $logInfoS "LMS" $ "Report processing marked " <> tshow nr <> " rows as unlocked and received for qualification " <> tshow qid -- debug, remove later
updateReceivedLocked True
>>= \nr -> $logInfoS "LMS" $ "Report processing marked " <> tshow nr <> " rows as locked and received for qualification " <> tshow qid -- debug, remove later
-- G) Truncate LmsReport for qid, after updating log
E.insertSelect $ do
lreport <- E.from $ E.table @LmsReport
let samelog = E.subSelect $ do
lrl <- E.from $ E.table @LmsReportLog
E.where_ $ lrl E.^. LmsReportLogQualification E.==. E.val qid
E.&&. lrl E.^. LmsReportLogIdent E.==. lreport E.^. LmsReportIdent
E.orderBy [E.desc $ lrl E.^. LmsReportLogTimestamp]
return $ lreport E.^. LmsReportResult E.==. lrl E.^. LmsReportLogResult
E.&&. lreport E.^. LmsReportLock E.==. lrl E.^. LmsReportLogLock
E.&&. E.not_ (lrl E.^. LmsReportLogMissing)
E.where_ $ lreport E.^. LmsReportQualification E.==. E.val qid
E.&&. E.not_ (E.isTrue samelog)
return (LmsReportLog
E.<# (lreport E.^. LmsReportQualification)
E.<&> (lreport E.^. LmsReportIdent )
E.<&> (lreport E.^. LmsReportDate )
E.<&> (lreport E.^. LmsReportResult )
E.<&> (lreport E.^. LmsReportLock )
E.<&> (lreport E.^. LmsReportTimestamp )
E.<&> E.false)
E.insertSelect $ do
lrl <- E.from $ E.table @LmsReportLog
E.where_ $ E.not_ (lrl E.^. LmsReportLogMissing)
E.&&. lrl E.^. LmsReportLogQualification E.==. E.val qid
E.&&. E.notExists (do
lreport <- E.from $ E.table @LmsReport
E.where_ $ lreport E.^. LmsReportQualification E.==. E.val qid
E.&&. lreport E.^. LmsReportIdent E.==. lrl E.^. LmsReportLogIdent
)
E.&&. E.notExists (do
lrl_old <- E.from $ E.table @LmsReportLog
E.where_ $ lrl_old E.^. LmsReportLogQualification E.==. E.val qid
E.&&. lrl_old E.^. LmsReportLogIdent E.==. lrl E.^. LmsReportLogIdent
E.&&. lrl_old E.^. LmsReportLogTimestamp E.>. lrl E.^. LmsReportLogTimestamp
)
return (LmsReportLog
E.<# (lrl E.^. LmsReportLogQualification)
E.<&> (lrl E.^. LmsReportLogIdent )
E.<&> E.nothing
E.<&> (lrl E.^. LmsReportLogResult )
E.<&> (lrl E.^. LmsReportLogLock )
E.<&> E.val now
E.<&> E.true)
repProc <- deleteWhereCount [LmsReportQualification ==. qid]
$logInfoS "LMS" [st|Processed #{tshow repProc} e-learning status reports for qualification #{tshow qid}.|]
-- DEPRECATED processes received results and lengthen qualifications, if applicable
dispatchJobLmsResults :: QualificationId -> JobHandler UniWorX
dispatchJobLmsResults qid = JobHandlerAtomic act
where
-- act :: YesodJobDB UniWorX ()
act = hoist lift $ do
results <- E.select $ do
(quser :& luser :& lresult) <- E.from $
E.table @QualificationUser -- table not needed if renewal from lms completion day is used TODO: decide!
`E.innerJoin` E.table @LmsUser
`E.on` (\(quser :& luser) ->
luser E.^. LmsUserUser E.==. quser E.^. QualificationUserUser
E.&&. luser E.^. LmsUserQualification E.==. quser E.^. QualificationUserQualification)
`E.innerJoin` E.table @LmsResult
`E.on` (\(_ :& luser :& lresult) ->
luser E.^. LmsUserIdent E.==. lresult E.^. LmsResultIdent
E.&&. luser E.^. LmsUserQualification E.==. lresult E.^. LmsResultQualification)
E.where_ $ quser E.^. QualificationUserQualification E.==. E.val qid
E.&&. luser E.^. LmsUserQualification E.==. E.val qid
-- E.&&. E.isNothing (luser E.^. LmsUserStatus) -- do not process learners already having a result WORKAROUND LMS-Bug: LMS may send blocked & success simultanesouly or within a few hours; in this case, success is the correct meaning
E.&&. E.isNothing (luser E.^. LmsUserEnded) -- do not process closed learners
return (quser, luser, lresult)
now <- liftIO getCurrentTime
let locDay = localDay $ TZ.utcToLocalTimeTZ appTZ now
forM_ results $ \(Entity _quid QualificationUser{..}, Entity luid LmsUser{..}, Entity lrid LmsResult{..}) -> do
-- three separate DB operations per result is not so nice. All within one transaction though.
let lmsUserStartedDay = localDay $ TZ.utcToLocalTimeTZ appTZ lmsUserStarted
saneDate = lmsResultSuccess `inBetween` (lmsUserStartedDay, min qualificationUserValidUntil locDay)
-- && qualificationUserLastRefresh <= utctDay lmsUserStarted NOTE: not always true due to manual intervention; also renewValidQualificationUsers prevents double renewals anyway
-- newValidTo = addGregorianMonthsRollOver (toInteger renewalMonths) qualificationUserValidUntil -- renew from old validUntil onwards
note <- if saneDate && (lmsUserStatus /= Just LmsSuccess)
then do
-- WORKAROUND LMS-Bug [supposedly fixed now, but isnt]: sometimes we receive success and failure simultaneously; success is correct, hence we must unblock if the reason was e-learning
let reason_undo = Left $ "LMS Workaround undoing: " <> tshow (QualificationBlockFailedELearningBy lmsUserIdent)
ok_unblock <- qualificationUserUnblockByReason qid [qualificationUserUser] Nothing (Right $ QualificationBlockFailedELearningBy lmsUserIdent) reason_undo False -- affects audit log
when (ok_unblock > 0) ($logWarnS "LMS" [st|LMS Result: workaround triggered, unblocking #{tshow ok_unblock} e-learners for #{tshow qid}|])
_ok_renew <- renewValidQualificationUsers qid (Just $ Right $ QualificationRenewELearningBy lmsUserIdent) Nothing [qualificationUserUser] -- only unblocked are renewed
-- when (ok==1) $ update luid -- we end lms regardless of whether or not a regular renewal was successful, since BPol users may simultaneoysly have on-premise renewal courses and E-Learnings
update luid
[ LmsUserStatus =. Just LmsSuccess
, LmsUserStatusDay =. Just (utctDayMidnight lmsResultSuccess)
, LmsUserReceived =. Just lmsResultTimestamp
]
return Nothing
else do
let errmsg = [st|LMS Result: success with insane date #{tshow lmsResultSuccess} received for #{tshow lmsUserIdent} for #{tshow qid}|]
$logErrorS "LMS" errmsg
return $ Just errmsg
audit TransactionLmsSuccess -- always log success, since this is only transmitted once
{ transactionQualification = qid
, transactionLmsIdent = lmsUserIdent
, transactionLmsDay = utctDayMidnight lmsResultSuccess
, transactionLmsUser = lmsUserUser
, transactionNote = note
, transactionReceived = lmsResultTimestamp
}
delete lrid
$logInfoS "LMS" [st|Processed #{tshow (length results)} LMS results|]
-- DEPRECATED processes received input and block qualifications, if applicable
dispatchJobLmsUserlist :: QualificationId -> JobHandler UniWorX
dispatchJobLmsUserlist qid = JobHandlerAtomic act
where
act :: YesodJobDB UniWorX ()
act = whenM (exists [LmsUserlistQualification ==. qid]) $ do -- safeguard against multiple calls, which would close all learners due to first case below
now <- liftIO getCurrentTime
-- result :: [(Entity LmsUser, Entity LmsUserlist)]
results <- E.select $ do
(luser :& lulist) <- E.from $
E.table @LmsUser `E.leftJoin` E.table @LmsUserlist
`E.on` (\(luser :& lulist) -> luser E.^. LmsUserIdent E.=?. lulist E.?. LmsUserlistIdent
E.&&. luser E.^. LmsUserQualification E.=?. lulist E.?. LmsUserlistQualification)
E.where_ $ luser E.^. LmsUserQualification E.==. E.val qid
E.&&. E.isNothing (luser E.^. LmsUserEnded) -- do not process closed learners
return (luser, lulist)
forM_ results $ \case
(Entity luid luser, Nothing)
| isJust $ lmsUserReceived luser -- mark all previuosly reported, but now unreported users as ended (LMS deleted them as expected)
, isNothing $ lmsUserEnded luser ->
update luid [LmsUserEnded =. Just now]
| otherwise -> return () -- users likely not yet started
(Entity luid luser, Just (Entity _lulid lulist)) -> do
let lReceived = lmsUserlistTimestamp lulist
update luid [LmsUserReceived =. Just lReceived] -- LmsUserNotified is only updated upon sending notifications
when (isNothing $ lmsUserNotified luser) $ do -- notify users that lms is available
queueDBJob JobUserNotification
{ jRecipient = lmsUserUser luser
, jNotification = NotificationQualificationRenewal { nQualification = qid, nReminder = False }
}
let isBlocked = lmsUserlistFailed lulist
oldStatus = lmsUserStatus luser
updateStatus = isBlocked && oldStatus /= Just LmsSuccess
when updateStatus $ do
update luid [LmsUserStatus =. Just LmsBlocked, LmsUserStatusDay =. Just lReceived]
ok <- qualificationUserBlocking qid [lmsUserUser luser] False Nothing (Right QualificationBlockFailedELearning) True
when (ok /= 1) $ do
uuid :: CryptoUUIDUser <- encrypt $ lmsUserUser luser
$logWarnS "LmsUserlist" [st|Blocking by failed E-learning failed for learner #{tshow uuid} and qualification #{tshow qid}]
audit TransactionLmsBlocked
{ transactionQualification = qid
, transactionLmsIdent = lmsUserIdent luser
, transactionLmsDay = lReceived
, transactionLmsUser = lmsUserUser luser
, transactionNote = Just $ "Old status was " <> tshow oldStatus
, transactionReceived = lReceived
}
delete lulid
$logInfoS "LMS" [st|Processed LMS Userlist with #{tshow (length results)} entries|]