105 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Haskell
		
	
	
	
	
	
			
		
		
	
	
			105 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Haskell
		
	
	
	
	
	
| {-
 | |
| hledger - ledger-compatible money management tool (& haskell study)
 | |
| GPLv3, (c) Simon Michael & contributors
 | |
| inspired by John Wiegley's ledger at http://newartisans.com/ledger.html
 | |
| 
 | |
| modules/models are organized roughly like this; each layer can only
 | |
| reference things below it:
 | |
| 
 | |
| hledger
 | |
|  Options
 | |
|  Tests
 | |
|   Parse
 | |
|    Models
 | |
|     TimeLog
 | |
|      TimeLogEntry
 | |
|     Account
 | |
|      Ledger
 | |
|       EntryTransaction
 | |
|        Entry
 | |
|         Transaction
 | |
|          AccountName
 | |
|          Amount
 | |
|          BasicTypes
 | |
|           Utils
 | |
| 
 | |
| -}
 | |
| 
 | |
| module Main
 | |
| where
 | |
| import System
 | |
| import System.Environment (withArgs) -- for testing in old hugs
 | |
| import Test.HUnit (runTestTT)
 | |
| import Test.QuickCheck (quickCheck)
 | |
| import Text.ParserCombinators.Parsec (ParseError)
 | |
| import Debug.Trace
 | |
| 
 | |
| import Options
 | |
| import Models
 | |
| import Parse
 | |
| import Tests
 | |
| import Utils
 | |
| 
 | |
| 
 | |
| main :: IO ()
 | |
| main = do
 | |
|   (opts, (cmd:args)) <- getArgs >>= parseOptions
 | |
|   run cmd opts args
 | |
|   where run cmd opts args 
 | |
|             | cmd `isPrefixOf` "register" = register opts args
 | |
|             | cmd `isPrefixOf` "balance"  = balance opts args
 | |
|             | cmd `isPrefixOf` "test"     = test
 | |
|             | otherwise                   = putStr usage
 | |
| 
 | |
| -- commands
 | |
| 
 | |
| register :: [Flag] -> [String] -> IO ()
 | |
| register opts args = do 
 | |
|   doWithLedger opts $ printRegister
 | |
|     where 
 | |
|       printRegister ledger = 
 | |
|           putStr $ showTransactionsWithBalances 
 | |
|                      (ledgerTransactionsMatching (acctpats,descpats) ledger)
 | |
|                      0
 | |
|               where (acctpats,descpats) = parseLedgerPatternArgs args
 | |
| 
 | |
| balance :: [Flag] -> [String] -> IO ()
 | |
| balance opts args = do
 | |
|   doWithLedger opts $ printBalance
 | |
|     where
 | |
|       printBalance ledger =
 | |
|           putStr $ showLedgerAccounts ledger acctpats showsubs maxdepth
 | |
|               where 
 | |
|                 (acctpats,_) = parseLedgerPatternArgs args
 | |
|                 showsubs = (ShowSubs `elem` opts)
 | |
|                 maxdepth = case (acctpats, showsubs) of
 | |
|                              ([],False) -> 1
 | |
|                              otherwise  -> 9999
 | |
| 
 | |
| test :: IO ()
 | |
| test = do
 | |
|   hcounts <- runTestTT tests
 | |
|   qcounts <- mapM quickCheck props
 | |
|   return ()
 | |
|     where showHunitCounts c =
 | |
|               reverse $ tail $ reverse ("passed " ++ (unwords $ drop 5 $ words (show c)))
 | |
| 
 | |
| -- utils
 | |
| 
 | |
| doWithLedger :: [Flag] -> (Ledger -> IO ()) -> IO ()
 | |
| doWithLedger opts cmd = do
 | |
|     ledgerFilePath opts >>= parseLedgerFile >>= doWithParsed cmd
 | |
| 
 | |
| doWithParsed :: Show a => (a -> IO ()) -> (Either ParseError a) -> IO ()
 | |
| doWithParsed action parsed = do
 | |
|   case parsed of Left e -> parseError e
 | |
|                  Right l -> action l
 | |
| 
 | |
| -- interactive testing:
 | |
| --
 | |
| -- p <- ledgerFilePath [] >>= parseLedgerFile
 | |
| -- let l = either (\_ -> Ledger [] [] []) id p
 | |
| -- let ant = ledgerAccountNameTree l
 | |
| -- let at = ledgerAccountTreeMatching l [] True 999
 | |
| -- putStr $ drawTree $ treemap show $ ledgerAccountTreeMatching l ["a"] False 999
 |