hledger/hledger/Hledger/Cli/Commands/Import.hs
2025-08-14 12:54:40 +01:00

104 lines
4.3 KiB
Haskell

{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE MultiWayIf #-}
{-# LANGUAGE NamedFieldPuns #-}
module Hledger.Cli.Commands.Import (
importmode
,importcmd
)
where
import Control.Monad
import Data.List
import qualified Data.Text.IO as T
import System.Console.CmdArgs.Explicit
import Text.Printf
import Hledger
import Hledger.Cli.CliOptions
import Hledger.Cli.Commands.Add (journalAddTransaction)
importmode = hledgerCommandMode
$(embedFileRelative "Hledger/Cli/Commands/Import.txt")
[flagNone ["catchup"] (setboolopt "catchup") "just mark all transactions as already imported"
,flagNone ["dry-run"] (setboolopt "dry-run") "just show the transactions to be imported"
]
cligeneralflagsgroups1
hiddenflags
([], Just $ argsFlag "FILE [...]")
importcmd opts@CliOpts{rawopts_=rawopts,inputopts_=iopts} j = do
-- XXX could be helpful to show the last-seen date, and number of old transactions, too
let
inputfiles = listofstringopt "args" rawopts
inputstr = intercalate ", " $ map quoteIfNeeded inputfiles
catchup = boolopt "catchup" rawopts
dryrun = boolopt "dry-run" rawopts
combinedStyles =
let
maybeInputStyles = commodity_styles_ . balancingopts_ $ iopts
inferredStyles = journalCommodityStyles j
in
case maybeInputStyles of
Nothing -> Just inferredStyles
Just inputStyles -> Just $ inputStyles <> inferredStyles
iopts' = iopts{
new_=True, -- read only new transactions since last time
new_save_=False, -- defer saving .latest files until the end
strict_=False, -- defer strict checks until the end
balancingopts_=defbalancingopts{commodity_styles_= combinedStyles} -- use amount styles from both when balancing txns
}
case inputfiles of
[] -> error' "please provide one or more input files as arguments" -- PARTIAL:
fs -> do
enewjandlatestdatesforfiles <- runExceptT $ readJournalFilesAndLatestDates iopts' fs
case enewjandlatestdatesforfiles of
Left err -> error' err
Right (newj, latestdatesforfiles) ->
case sortOn tdate $ jtxns newj of
-- with --dry-run the output should be valid journal format, so messages have ; prepended
[] -> do
-- in this case, we vary the output depending on --dry-run, which is a bit awkward
let semicolon = if dryrun then "; " else "" :: String
printf "%sno new transactions found in %s\n\n" semicolon inputstr
newts | catchup ->
if dryrun
then printf "--catchup would skip %d transactions (dry run)\n\n" (length newts)
else do
printf "marked %s as caught up, skipping %d transactions\n\n" inputstr (length newts)
saveLatestDatesForFiles latestdatesforfiles
newts -> do
if dryrun
then do
-- show txns to be imported
printf "; would import %d new transactions from %s:\n\n" (length newts) inputstr
mapM_ (T.putStr . showTransaction) newts
-- then check the whole journal with them added, if in strict mode
when (strict_ iopts) $ strictChecks
else do
-- first check the whole journal with them added, if in strict mode
when (strict_ iopts) $ strictChecks
-- then append the transactions to the main journal file.
-- XXX This writes unix line endings (\n), some at least,
-- even if the file uses dos line endings (\r\n), which could leave
-- mixed line endings in the file. See also writeFileWithBackupIfChanged.
foldM_ (`journalAddTransaction` opts) j newts -- gets forced somehow.. (how ?)
printf "imported %d new transactions from %s to %s\n" (length newts) inputstr (journalFilePath j)
-- and if we got this far, update each file's .latest file
saveLatestDatesForFiles latestdatesforfiles
where
-- add the new transactions to the journal in memory and check the whole thing
strictChecks = either fail pure $ journalStrictChecks j'
where j' = foldl' (flip addTransaction) j newts