ENH don't stop if a file is not found (or other IO nonsense)

lib/Internal/Insert.hs

@@ -299,13 +299,17 @@ insertManual
 
 insertImport :: MonadUnliftIO m => Import -> MappingT m [InsertError]
 insertImport i = whenHash CTImport i [] $ \c -> do
-  bounds <- asks kmStatementInterval
-  res <- readImport i
   -- TODO this isn't efficient, the whole file will be read and maybe no
   -- transactions will be desired
-  unlessLefts res $ \bs -> do
+  res <- tryIO $ readImport i
+  case res of
+    Right r -> unlessLefts r $ \bs -> do
+      bounds <- asks kmStatementInterval
       rs <- mapM resolveTx $ filter (inMaybeBounds bounds . txDate) bs
       lift $ mapM_ (insertTx c) rs
+    -- If file is not found (or something else happens) then collect the
+    -- error try the remaining imports
+    Left e -> return [InsertIOError $ showT e]
 
 --------------------------------------------------------------------------------
 -- low-level transaction stuff

lib/Internal/Types.hs

@@ -541,6 +541,7 @@ data AllocationSuberr
 data InsertError
   = RegexError T.Text
   | MatchValPrecisionError Natural Natural
+  | InsertIOError T.Text
   | ConversionError T.Text
   | LookupError LookupSuberr T.Text
   | BalanceError BalanceType CurID [RawSplit]

lib/Internal/Utils.hs

@@ -19,6 +19,7 @@ module Internal.Utils
   , unlessLefts
   , inMaybeBounds
   , acntPath2Text
+  , showT
   )
 where
 
@@ -280,6 +281,7 @@ showError (StatementError ts ms) = (showTx <$> ts) ++ (showMatch <$> ms)
 showError other = (: []) $ case other of
   (RegexError re) -> T.append "could not make regex from pattern: " re
   (ConversionError x) -> T.append "Could not convert to rational number: " x
+  (InsertIOError msg) -> T.append "IO Error: " msg
   (MatchValPrecisionError d p) ->
     T.unwords ["Match denominator", showT d, "must be less than", showT p]
   (LookupError t f) ->