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fradrive-old/src/Handler/SAP.hs

103 lines
4.2 KiB
Haskell

-- SPDX-FileCopyrightText: 2022 Steffen Jost <jost@tcs.ifi.lmu.de>
--
-- SPDX-License-Identifier: AGPL-3.0-or-later
{-# LANGUAGE TypeApplications #-}
module Handler.SAP
( getQualificationSAPDirectR
)
where
import Import
import Handler.Utils
import Handler.Utils.Csv
-- import qualified Data.CaseInsensitive as CI
import qualified Data.Csv as Csv
import qualified Database.Esqueleto.Experimental as Ex -- needs TypeApplications Lang-Pragma
-- import qualified Database.Esqueleto.Legacy as E
import qualified Database.Esqueleto.Utils as E
data SapUserTableCsv = SapUserTableCsv -- for csv export only
{ csvSUTpersonalNummer :: Text
, csvSUTqualifikation :: Text
, csvSUTgültigVon :: Day
, csvSUTgültigBis :: Day
-- , csvSUTsupendiertBis :: Maybe Day
, csvSUTausprägung :: Text
}
deriving (Show, Generic)
makeLenses_ ''SapUserTableCsv
sapUserTableCsvHeader :: Csv.Header
sapUserTableCsvHeader = Csv.header
[ "PersonalNummer"
, "Qualifikation"
, "GültigVon"
, "GültigBis"
-- , "SupendiertBis"
, "Ausprägung"
]
instance ToNamedRecord SapUserTableCsv where
toNamedRecord SapUserTableCsv{..} = Csv.namedRecord
[ "PersonalNummer" Csv..= csvSUTpersonalNummer
, "Qualifikation" Csv..= csvSUTqualifikation
, "GültigVon" Csv..= csvSUTgültigVon
, "GültigBis" Csv..= csvSUTgültigBis
-- , "SupendiertBis" Csv..= csvSUTsupendiertBis
, "Ausprägung" Csv..= csvSUTausprägung
]
-- | Removes all elements containing Nothing, which should not be returend by the query anyway (only qualfications with sap id and users with internal personal number must be transmitted)
-- TODO: once temporary suspensions are implemented, a user must be transmitted to SAP in two rows: firstheld->suspensionFrom & suspensionTo->validTo
sapRes2csv :: [(Ex.Value (Maybe Text), Ex.Value Day, Ex.Value Day, Ex.Value (Maybe Text))] -> [SapUserTableCsv]
sapRes2csv l = [ res | (Ex.Value (Just persNo), Ex.Value firstHeld, Ex.Value validUntil, Ex.Value (Just sapId)) <- l
, let res = SapUserTableCsv
{ csvSUTpersonalNummer = persNo
, csvSUTqualifikation = sapId
, csvSUTgültigVon = firstHeld
, csvSUTgültigBis = validUntil
-- , csvSUTsupendiertBis = blocked
, csvSUTausprägung = "J"
}
]
getQualificationSAPDirectR :: Handler TypedContent
getQualificationSAPDirectR = do
qualUsers <- runDB $ Ex.select $ do
(qual Ex.:& qualUser Ex.:& user) <-
Ex.from $ Ex.table @Qualification
`Ex.innerJoin` Ex.table @QualificationUser
`Ex.on` (\(qual Ex.:& qualUser) -> qual Ex.^. QualificationId Ex.==. qualUser Ex.^. QualificationUserQualification)
`Ex.innerJoin` Ex.table @User
`Ex.on` (\(_ Ex.:& qualUser Ex.:& user) -> qualUser Ex.^. QualificationUserUser Ex.==. user Ex.^. UserId)
Ex.where_ $ E.isJust (qual Ex.^. QualificationSapId)
Ex.&&. E.isJust (user Ex.^. UserCompanyPersonalNumber)
return
( user Ex.^. UserCompanyPersonalNumber
, qualUser Ex.^. QualificationUserFirstHeld
, qualUser Ex.^. QualificationUserValidUntil
-- , qualUser Ex.^. QualificationUserBlockedDue
, qual Ex.^. QualificationSapId
)
now <- liftIO getCurrentTime
fdate <- formatTime' "%Y%m%d_%H-%M" now
let csvRendered = toCsvRendered sapUserTableCsvHeader $ sapRes2csv qualUsers
fmtOpts = def { csvIncludeHeader = True
, csvDelimiter = ','
, csvUseCrLf = True
}
csvOpts = def { csvFormat = fmtOpts }
csvSheetName = "fradrive_sap_" <> fdate <> ".csv"
nr = length qualUsers
msg = "Qualification download file " <> csvSheetName <> " containing " <> tshow nr <> " rows"
$logInfoS "SAP" msg
addHeader "Content-Disposition" $ "attachment; filename=\"" <> csvSheetName <> "\""
csvRenderedToTypedContentWith csvOpts csvSheetName csvRendered
-- direct Download see:
-- https://ersocon.net/blog/2017/2/22/creating-csv-files-in-yesod