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74 lines
2.7 KiB
Haskell
74 lines
2.7 KiB
Haskell
module Transaction
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where
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import Utils
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import Types
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import AccountName
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import LedgerEntry
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import LedgerTransaction
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import Amount
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import Currency
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-- we use the entry number e to remember the grouping of txns
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flattenEntry :: (LedgerEntry, Int) -> [Transaction]
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flattenEntry (LedgerEntry d _ _ desc _ ts, e) =
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[Transaction e d desc (taccount t) (tamount t) | t <- ts]
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transactionSetPrecision :: Int -> Transaction -> Transaction
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transactionSetPrecision p (Transaction e d desc a amt) = Transaction e d desc a amt{precision=p}
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accountNamesFromTransactions :: [Transaction] -> [AccountName]
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accountNamesFromTransactions ts = nub $ map account ts
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sumTransactions :: [Transaction] -> Amount
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sumTransactions = sum . map amount
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matchTransactionAccount :: Regex -> Transaction -> Bool
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matchTransactionAccount r t =
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case matchRegex r (account t) of
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Nothing -> False
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otherwise -> True
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matchTransactionDescription :: Regex -> Transaction -> Bool
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matchTransactionDescription r t =
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case matchRegex r (description t) of
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Nothing -> False
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otherwise -> True
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-- for register command
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showTransactionsWithBalances :: [Transaction] -> Amount -> String
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showTransactionsWithBalances [] _ = []
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showTransactionsWithBalances ts b =
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unlines $ showTransactionsWithBalances' ts dummyt b
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where
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dummyt = Transaction 0 "" "" "" (dollars 0)
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showTransactionsWithBalances' [] _ _ = []
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showTransactionsWithBalances' (t:ts) tprev b =
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(if sameentry t tprev
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then [showTransactionAndBalance t b']
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else [showTransactionDescriptionAndBalance t b'])
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++ (showTransactionsWithBalances' ts t b')
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where
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b' = b + (amount t)
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sameentry (Transaction e1 _ _ _ _) (Transaction e2 _ _ _ _) = e1 == e2
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showTransactionDescriptionAndBalance :: Transaction -> Amount -> String
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showTransactionDescriptionAndBalance t b =
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(showEntryDescription $ LedgerEntry (date t) False "" (description t) "" [])
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++ (showLedgerTransaction $ LedgerTransaction (account t) (amount t) "") ++ (showBalance b)
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showTransactionAndBalance :: Transaction -> Amount -> String
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showTransactionAndBalance t b =
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(replicate 32 ' ') ++ (showLedgerTransaction $ LedgerTransaction (account t) (amount t) "") ++ (showBalance b)
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showBalance :: Amount -> String
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showBalance b = printf " %12s" (showAmountRoundedOrZero b)
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transactionsWithAccountName :: AccountName -> [Transaction] -> [Transaction]
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transactionsWithAccountName a ts = [t | t <- ts, account t == a]
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transactionsWithOrBelowAccountName :: AccountName -> [Transaction] -> [Transaction]
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transactionsWithOrBelowAccountName a ts =
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[t | t <- ts, account t == a || a `isAccountNamePrefixOf` (account t)]
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