fix computation error for total bought products

This commit is contained in:
nek0 2019-08-05 18:11:10 +02:00
parent 9b210ef61b
commit d1e48c8284
1 changed files with 2 additions and 2 deletions

View File

@ -26,7 +26,7 @@ import qualified Database.PostgreSQL.Simple as PGS
import GHC.Generics
import Opaleye as O
import Opaleye as O hiding (max)
import Opaleye.Constant as C
-- internal imports
@ -183,7 +183,7 @@ productOverviewSelect conn = do
i10 <- return $ snd $ foldl (\(bef, tot) (_, _, amo, _, ver) ->
if ver
then (amo, tot)
else (amo, tot + (bef - amo))
else (amo, tot + max 0 (bef - amo))
)
(0, 0)
(Prelude.reverse amounts)