hledger/bin/hledger-budget.hs
2017-01-20 13:42:17 -08:00

68 lines
2.4 KiB
Haskell
Executable File

#!/usr/bin/env stack
{- stack runghc --verbosity info
--package hledger-lib
--package hledger
--package text
-}
{-# LANGUAGE OverloadedStrings #-}
import Data.List
import System.Console.CmdArgs
import Hledger.Cli
import Hledger.Cli.Main (mainmode)
import Hledger.Data.AutoTransaction
actions :: [(Mode RawOpts, CliOpts -> IO ())]
actions =
[ (manmode, man)
, (infomode, info')
, (balancemode, flip withJournalDo' balance)
, (balancesheetmode, flip withJournalDo' balancesheet)
, (cashflowmode, flip withJournalDo' cashflow)
, (incomestatementmode, flip withJournalDo' incomestatement)
, (registermode, flip withJournalDo' register)
, (printmode, flip withJournalDo' print')
]
cmdmode :: Mode RawOpts
cmdmode = (mainmode [])
{ modeNames = ["hledger-budget"]
, modeGroupModes = Group
{ groupUnnamed = map fst actions
, groupNamed = []
, groupHidden = []
}
}
journalBalanceTransactions' :: CliOpts -> Journal -> IO Journal
journalBalanceTransactions' opts j = do
let assrt = not $ ignore_assertions_ opts
either error' return $ journalBalanceTransactions assrt j
withJournalDo' :: CliOpts -> (CliOpts -> Journal -> IO ()) -> IO ()
withJournalDo' opts = withJournalDo opts . wrapper where
wrapper f opts' j = do
-- use original transactions as input for journalBalanceTransactions to re-infer balances/prices
let modifier = originalTransaction . foldr (flip (.) . runModifierTransaction') id mtxns
runModifierTransaction' = fmap txnTieKnot . runModifierTransaction Any
mtxns = jmodifiertxns j
dates = jdatespan j
ts' = map modifier $ jtxns j
ts'' = [makeBudget t | pt <- jperiodictxns j, t <- runPeriodicTransaction pt dates] ++ ts'
makeBudget t = txnTieKnot $ t
{ tdescription = "Budget transaction"
, tpostings = map makeBudgetPosting $ tpostings t
}
makeBudgetPosting p = p { pamount = negate $ pamount p }
j' <- journalBalanceTransactions' opts' j{ jtxns = ts'' }
f opts' j'
main :: IO ()
main = do
rawopts <- fmap decodeRawOpts . processArgs $ cmdmode
opts <- rawOptsToCliOpts rawopts
let cmd = command_ opts
case find (\e -> cmd `elem` modeNames (fst e)) actions of
Just (amode, _) | "h" `elem` map fst (rawopts_ opts) -> print amode
Just (_, action) -> action opts
Nothing -> print cmdmode