42 lines
1.3 KiB
Haskell
42 lines
1.3 KiB
Haskell
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module Entry
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where
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import Utils
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import Types
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import Transaction
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-- a register entry is displayed as two or more lines like this:
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-- date description account amount balance
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-- DDDDDDDDDD dddddddddddddddddddd aaaaaaaaaaaaaaaaaaaaaa AAAAAAAAAAA AAAAAAAAAAAA
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-- aaaaaaaaaaaaaaaaaaaaaa AAAAAAAAAAA AAAAAAAAAAAA
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-- ... ... ...
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-- dateWidth = 10
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-- descWidth = 20
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-- acctWidth = 22
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-- amtWidth = 11
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-- balWidth = 12
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instance Show Entry where show = showEntry
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showEntry e = (showDate $ edate e) ++ " " ++ (showDescription $ edescription e) ++ " "
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showDate d = printf "%-10s" d
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showDescription s = printf "%-20s" (elideRight 20 s)
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isEntryBalanced :: Entry -> Bool
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isEntryBalanced e = (sumTransactions . etransactions) e == 0
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autofillEntry :: Entry -> Entry
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autofillEntry e =
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Entry (edate e) (estatus e) (ecode e) (edescription e)
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(autofillTransactions (etransactions e))
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-- modifier & periodic entries
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instance Show ModifierEntry where
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show e = "= " ++ (valueexpr e) ++ "\n" ++ unlines (map show (m_transactions e))
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instance Show PeriodicEntry where
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show e = "~ " ++ (periodexpr e) ++ "\n" ++ unlines (map show (p_transactions e))
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