60 lines
2.1 KiB
Haskell
60 lines
2.1 KiB
Haskell
{-|
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Utilities for top-level modules and/or ghci. See also "Ledger.Utils".
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-}
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module Utils
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where
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import qualified Data.Map as Map (lookup)
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import Text.ParserCombinators.Parsec
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import Options
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import Ledger
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-- | Get a RawLedger from the given string, or raise an error.
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rawledgerfromstring :: String -> RawLedger
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rawledgerfromstring = fromparse . parsewith ledgerfile
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-- | Get a filtered and cached Ledger from the given string, or raise an error.
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ledgerfromstring :: [String] -> String -> Ledger
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ledgerfromstring args s =
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cacheLedger apats $ filterRawLedger (DateSpan Nothing Nothing) dpats False False l
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where
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(apats,dpats) = parseAccountDescriptionArgs [] args
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l = rawledgerfromstring s
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-- | Get a RawLedger from the given file path, or a dummy one if there was an error.
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rawledgerfromfile :: FilePath -> IO RawLedger
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rawledgerfromfile f = do
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parsed <- parseLedgerFile f
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return $ either (\_ -> RawLedger [] [] [] "") id parsed
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-- | Get a filtered and cached Ledger from the given file path, or a dummy
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-- one if there was an error.
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ledgerfromfile :: [String] -> FilePath -> IO Ledger
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ledgerfromfile args f = do
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l <- rawledgerfromfile f
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return $ cacheLedger apats $ filterRawLedger (DateSpan Nothing Nothing) dpats False False l
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where
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(apats,dpats) = parseAccountDescriptionArgs [] args
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-- | Get a RawLedger from the file your LEDGER environment variable
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-- variable points to, or a dummy one if there was a problem.
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myrawledger :: IO RawLedger
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myrawledger = do
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parsed <- ledgerFilePathFromOpts [] >>= parseLedgerFile
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return $ either (\_ -> RawLedger [] [] [] "") id parsed
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-- | Get a cached Ledger from the file your LEDGER environment variable
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-- variable points to, or a dummy one if there was a problem.
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myledger :: IO Ledger
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myledger = do
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l <- myrawledger
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return $ cacheLedger [] $ filterRawLedger (DateSpan Nothing Nothing) [] False False l
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-- | Get a named account from your ledger file.
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myaccount :: AccountName -> IO Account
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myaccount a = myledger >>= (return . fromMaybe nullacct . Map.lookup a . accountmap)
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