1 files changed, 26 insertions, 5 deletions

diff --git a/app/Import/Ing/Convert.hs b/app/Import/Ing/Convert.hs
index 36ce99f..5dcda0b 100644
--- a/app/Import/Ing/Convert.hs
+++ b/app/Import/Ing/Convert.hs
@@ -8,6 +8,7 @@ import Data.Functor.Identity
 import Data.Iban qualified as Iban
 import Data.Ledger as L
 import Data.Map qualified as M
+import Data.Res
 import Data.Text qualified as T
 import Import.Ing.CurrentAccountCsv as C
 import Import.Ing.SavingsAccountCsv as S
@@ -21,12 +22,12 @@ virtSavingsAcc = AccountId ["Unfiled", "Savings"]
 virtCounterparty :: L.AccountId
 virtCounterparty = AccountId ["Unfiled", "Counterparty"]
 
-toCents :: Decimal -> Either String L.Money
+toCents :: Decimal -> Res String L.Money
 toCents m
   | f == 0 =
       return (L.Money m')
   | otherwise =
-      Left "Cannot convert to whole cents: amount of money is more specific"
+      fail "Cannot convert to whole cents: amount of money is more specific"
   where
     (m', f) = properFraction (m * 100)
 
@@ -34,10 +35,30 @@ condUnitLabel :: UnitTag -> Bool -> L.Labels
 condUnitLabel _ False = empty
 condUnitLabel t True = singleton (UnitLabel t) (Identity ())
 
-fromCurrentAccTx :: CommodityId -> C.Tx -> Either String L.Tx
-fromCurrentAccTx eucId (C.Tx base spec) = do
+lesFromCurrentAcc :: CommodityId -> C.Tx -> Res String [L.Entry]
+lesFromCurrentAcc eucId tx@(C.Tx base _) = do
+  tx' <- txFromCurrentAcc eucId tx
+  ba <- baFromCurrentAccBase base
+  return [BalAssertEntry ba, TxEntry tx']
+
+baFromCurrentAccBase :: C.TxBase -> Res String L.BalAssert
+baFromCurrentAccBase base = do
+  resBal <- toCents base.resBal
+  return $
+    L.BalAssert
+      { account = virtCheckingAcc,
+        amount = resBal,
+        labels =
+          fromList [IbanLabel AccountTag ==> base.account]
+      }
+
+baFromCurrentAcc :: C.Tx -> Res String L.BalAssert
+baFromCurrentAcc (C.Tx base _) = baFromCurrentAccBase base
+
+txFromCurrentAcc :: CommodityId -> C.Tx -> Res String L.Tx
+txFromCurrentAcc eucId (C.Tx base spec) = do
   when (base.amount < 0) $
-    Left "Transaction amount may not be lower than zero"
+    fail "Transaction amount may not be lower than zero"
   amount <- L.Amount <$> toCents base.amount
   case spec of
     PaymentTerminalPayment