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98 lines
2.8 KiB
Haskell
98 lines
2.8 KiB
Haskell
#!/usr/bin/env runhaskell
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{-
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hledger - ledger-compatible money management tool (& haskell study)
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GPLv3, (c) Simon Michael & contributors
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A port of John Wiegley's ledger at http://newartisans.com/ledger.html
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See Types.hs for a code overview.
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-}
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module Main
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where
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import System
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import Text.ParserCombinators.Parsec (ParseError)
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import Options
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import Models
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import Parse
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import Tests
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import Utils hiding (test)
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main :: IO ()
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main = do
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(opts, (cmd:args)) <- getArgs >>= parseOptions
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let (acctpats, descpats) = parseLedgerPatternArgs args
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run cmd opts acctpats descpats
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where run cmd opts acctpats descpats
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| Help `elem` opts = putStr usage
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| cmd `isPrefixOf` "register" = register opts acctpats descpats
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| cmd `isPrefixOf` "balance" = balance opts acctpats descpats
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| cmd `isPrefixOf` "print" = printcmd opts
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| cmd `isPrefixOf` "test" = test
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| otherwise = putStr usage
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-- commands
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test :: IO ()
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test = do
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Tests.hunit
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Tests.quickcheck
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return ()
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register :: [Flag] -> [String] -> [String] -> IO ()
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register opts acctpats descpats = do
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doWithLedger opts printregister
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where
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printregister l =
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putStr $ showTransactionsWithBalances
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(sortBy (comparing date) (ledgerTransactionsMatching (acctpats,descpats) l))
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nullamt{precision=lprecision l}
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printcmd :: [Flag] -> IO ()
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printcmd opts = do
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doWithLedger opts printentries
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where
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printentries l = putStr $ showEntries $ setprecision $ entries $ rawledger l
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where
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setprecision = map (entrySetPrecision (lprecision l))
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balance :: [Flag] -> [String] -> [String] -> IO ()
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balance opts acctpats _ = do
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doWithLedger opts printbalance
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where
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printbalance l =
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putStr $ showLedgerAccounts l acctpats showsubs maxdepth
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where
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showsubs = (ShowSubs `elem` opts)
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maxdepth = case (acctpats, showsubs) of
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([],False) -> 1
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otherwise -> 9999
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-- utils
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doWithLedger :: [Flag] -> (Ledger -> IO ()) -> IO ()
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doWithLedger opts cmd = do
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ledgerFilePath opts >>= parseLedgerFile >>= doWithParsed cmd
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doWithParsed :: (Ledger -> IO ()) -> (Either ParseError LedgerFile) -> IO ()
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doWithParsed cmd parsed = do
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case parsed of Left e -> parseError e
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Right l -> cmd $ cacheLedger l
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{-
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interactive testing:
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*Main> p <- ledgerFilePath [File "./test.dat"] >>= parseLedgerFile
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*Main> let r = either (\_ -> LedgerFile [] [] []) id p
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*Main> let l = cacheLedger r
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*Main> let ant = accountnametree l
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*Main> let at = accounts l
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*Main> putStr $ drawTree $ treemap show $ ant
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*Main> putStr $ showLedgerAccounts l [] False 1
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*Main> :m +Tests
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*Main Tests> l7
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-}
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