Add tax calculations
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2 changed files with 73 additions and 56 deletions
30
src/Order.hs
30
src/Order.hs
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@ -210,9 +210,9 @@ instance Val LineItem where
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cast' _ = Nothing
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-- Database actions
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upsertOrder :: ZGoOrder -> Action IO ()
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upsertOrder o = do
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let order = val $ updateOrderTotals o
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upsertOrder :: ZGoOrder -> Double -> Double -> Action IO ()
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upsertOrder o taxRate vatRate = do
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let order = val $ updateOrderTotals o taxRate vatRate
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case order of
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Doc d ->
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if isJust (q_id o)
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@ -222,14 +222,14 @@ upsertOrder o = do
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insertWooOrder :: ZGoOrder -> Action IO Database.MongoDB.Value
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insertWooOrder o = do
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let order = val $ updateOrderTotals o
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let order = val $ updateOrderTotals o 0 0
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case order of
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Doc d -> insert "orders" d
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_ -> fail "Couldn't parse order"
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upsertXeroOrder :: ZGoOrder -> Action IO ()
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upsertXeroOrder o = do
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let order = val $ updateOrderTotals o
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let order = val $ updateOrderTotals o 0 0
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case order of
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Doc d ->
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upsert
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@ -242,8 +242,8 @@ upsertXeroOrder o = do
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_ -> return ()
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-- | Function to update order totals from items
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updateOrderTotals :: ZGoOrder -> ZGoOrder
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updateOrderTotals o =
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updateOrderTotals :: ZGoOrder -> Double -> Double -> ZGoOrder
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updateOrderTotals o taxRate vatRate =
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ZGoOrder
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(q_id o)
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(qaddress o)
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@ -252,9 +252,9 @@ updateOrderTotals o =
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(qclosed o)
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(qcurrency o)
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(qprice o)
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(newTotal o)
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(newTotal o taxRate vatRate)
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(if qprice o /= 0
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then roundZec (newTotal o / qprice o)
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then roundZec (newTotal o taxRate vatRate / qprice o)
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else 0)
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(qlines o)
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(qpaid o)
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@ -265,8 +265,13 @@ updateOrderTotals o =
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(qvat o)
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(qtip o)
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where
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newTotal :: ZGoOrder -> Double
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newTotal x = foldr tallyItems 0 (qlines x) + qtax o + qvat o + qtip o
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updateTax :: ZGoOrder -> Double -> Double
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updateTax x t = roundFiat $ itemsTotal (qlines x) * t / 100.0
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itemsTotal :: [LineItem] -> Double
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itemsTotal = foldr tallyItems 0
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newTotal :: ZGoOrder -> Double -> Double -> Double
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newTotal x tR vR =
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itemsTotal (qlines x) + updateTax x tR + updateTax x vR + qtip x
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tallyItems :: LineItem -> Double -> Double
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tallyItems y z = (lqty y * lcost y) + z
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@ -306,3 +311,6 @@ markOrderPaid (i, a) = do
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-- | Helper function to round to 8 decimal places
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roundZec :: Double -> Double
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roundZec n = fromInteger (round $ n * (10 ^ 8)) / (10.0 ^^ 8)
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roundFiat :: Double -> Double
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roundFiat n = fromInteger (round $ n * (10 ^ 2)) / (10.0 ^^ 2)
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@ -768,7 +768,7 @@ routes pipe config = do
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_ <-
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liftAndCatchIO $
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run $
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upsertOrder newOrder
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upsertOrder newOrder 0 0
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finalOrder <-
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liftAndCatchIO $
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run $
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@ -1437,6 +1437,18 @@ routes pipe config = do
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case cast' . Doc =<< user of
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Nothing -> status unauthorized401
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Just u -> do
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owner <- liftAndCatchIO $ run $ findOwner (uaddress u)
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case cast' . Doc =<< owner of
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Nothing -> status badRequest400
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Just o -> do
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let taxRate =
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if otax o
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then otaxValue o
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else 0
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let vatRate =
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if ovat o
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then ovatValue o
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else 0
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dbOrder <-
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liftAndCatchIO $ run (findOrderById $ maybe "0" show (q_id q))
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case cast' . Doc =<< dbOrder of
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@ -1448,11 +1460,20 @@ routes pipe config = do
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t <- liftIO generateToken
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_ <-
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liftAndCatchIO $
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run (upsertOrder $ setOrderToken (T.pack t) q)
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run
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(upsertOrder
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(setOrderToken (T.pack t) q)
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taxRate
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vatRate)
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status created201
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else do
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_ <-
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liftAndCatchIO $ access pipe master dbName (upsertOrder q)
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liftAndCatchIO $
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access
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pipe
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master
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dbName
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(upsertOrder q taxRate vatRate)
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status created201
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else status forbidden403
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Just dbO -> do
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@ -1465,12 +1486,20 @@ routes pipe config = do
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t <- liftIO generateToken
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_ <-
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liftAndCatchIO $
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run (upsertOrder $ setOrderToken (T.pack t) q)
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run
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(upsertOrder
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(setOrderToken (T.pack t) q)
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taxRate
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vatRate)
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status created201
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else do
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_ <-
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liftAndCatchIO $
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access pipe master dbName (upsertOrder q)
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access
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pipe
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master
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dbName
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(upsertOrder q taxRate vatRate)
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status created201
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else status forbidden403
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else status forbidden403
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@ -1538,26 +1567,6 @@ routes pipe config = do
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Just tP -> do
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status ok200
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Web.Scotty.json $ toJSON (tP :: LangComponent)
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where
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saveOrder :: Pipe -> T.Text -> User -> ZGoOrder -> ActionM ()
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saveOrder pipe dbName u q = do
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if uaddress u == qaddress q
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then do
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if qtoken q == ""
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then do
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t <- liftIO generateToken
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_ <-
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liftAndCatchIO $
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access
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pipe
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master
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dbName
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(upsertOrder $ setOrderToken (T.pack t) q)
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status created201
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else do
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_ <- liftAndCatchIO $ access pipe master dbName (upsertOrder q)
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status created201
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else status forbidden403
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{-post "/api/setlang" $ do-}
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{-langComp <- jsonData-}
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{-_ <--}
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