hledger/hledger-lib/Hledger/Data/Journal.hs
2014-04-16 14:45:41 -07:00

691 lines
29 KiB
Haskell

{-|
A 'Journal' is a set of transactions, plus optional related data. This is
hledger's primary data object. It is usually parsed from a journal file or
other data format (see "Hledger.Read").
-}
module Hledger.Data.Journal (
-- * Parsing helpers
addHistoricalPrice,
addModifierTransaction,
addPeriodicTransaction,
addTimeLogEntry,
addTransaction,
journalApplyAliases,
journalBalanceTransactions,
journalCanonicaliseAmounts,
journalConvertAmountsToCost,
journalFinalise,
-- * Filtering
filterJournalTransactions,
filterJournalPostings,
filterJournalPostingAmounts,
filterPostingAmount,
-- * Querying
journalAccountNames,
journalAccountNamesUsed,
-- journalAmountAndPriceCommodities,
journalAmounts,
-- journalCanonicalCommodities,
journalDateSpan,
journalDescriptions,
journalFilePath,
journalFilePaths,
journalPostings,
-- * Standard account types
journalBalanceSheetAccountQuery,
journalProfitAndLossAccountQuery,
journalIncomeAccountQuery,
journalExpenseAccountQuery,
journalAssetAccountQuery,
journalLiabilityAccountQuery,
journalEquityAccountQuery,
journalCashAccountQuery,
-- * Misc
matchpats,
nullctx,
nulljournal,
-- * Tests
samplejournal,
tests_Hledger_Data_Journal,
)
where
import Control.Monad
import Data.List
-- import Data.Map (findWithDefault)
import Data.Maybe
import Data.Ord
import Data.Time.Calendar
import Data.Time.LocalTime
import Data.Tree
import Safe (headDef)
import System.Time (ClockTime(TOD))
import Test.HUnit
import Text.Printf
import qualified Data.Map as M
import Hledger.Utils
import Hledger.Data.Types
import Hledger.Data.AccountName
import Hledger.Data.Amount
-- import Hledger.Data.Commodity
import Hledger.Data.Dates
import Hledger.Data.Transaction
import Hledger.Data.Posting
import Hledger.Data.TimeLog
import Hledger.Query
instance Show Journal where
show j
| debugLevel < 3 = printf "Journal %s with %d transactions, %d accounts"
(journalFilePath j)
(length (jtxns j) +
length (jmodifiertxns j) +
length (jperiodictxns j))
(length accounts)
| debugLevel < 6 = printf "Journal %s with %d transactions, %d accounts: %s"
(journalFilePath j)
(length (jtxns j) +
length (jmodifiertxns j) +
length (jperiodictxns j))
(length accounts)
(show accounts)
| otherwise = printf "Journal %s with %d transactions, %d accounts: %s, commodity styles: %s"
(journalFilePath j)
(length (jtxns j) +
length (jmodifiertxns j) +
length (jperiodictxns j))
(length accounts)
(show accounts)
(show $ jcommoditystyles j)
-- ++ (show $ journalTransactions l)
where accounts = flatten $ journalAccountNameTree j
-- showJournalDebug j = unlines [
-- show j
-- ,show (jtxns j)
-- ,show (jmodifiertxns j)
-- ,show (jperiodictxns j)
-- ,show $ open_timelog_entries j
-- ,show $ historical_prices j
-- ,show $ final_comment_lines j
-- ,show $ jContext j
-- ,show $ map fst $ files j
-- ]
nulljournal :: Journal
nulljournal = Journal { jmodifiertxns = []
, jperiodictxns = []
, jtxns = []
, open_timelog_entries = []
, historical_prices = []
, final_comment_lines = []
, jContext = nullctx
, files = []
, filereadtime = TOD 0 0
, jcommoditystyles = M.fromList []
}
nullctx :: JournalContext
nullctx = Ctx { ctxYear = Nothing, ctxCommodityAndStyle = Nothing, ctxAccount = [], ctxAliases = [] }
journalFilePath :: Journal -> FilePath
journalFilePath = fst . mainfile
journalFilePaths :: Journal -> [FilePath]
journalFilePaths = map fst . files
mainfile :: Journal -> (FilePath, String)
mainfile = headDef ("", "") . files
addTransaction :: Transaction -> Journal -> Journal
addTransaction t l0 = l0 { jtxns = t : jtxns l0 }
addModifierTransaction :: ModifierTransaction -> Journal -> Journal
addModifierTransaction mt l0 = l0 { jmodifiertxns = mt : jmodifiertxns l0 }
addPeriodicTransaction :: PeriodicTransaction -> Journal -> Journal
addPeriodicTransaction pt l0 = l0 { jperiodictxns = pt : jperiodictxns l0 }
addHistoricalPrice :: HistoricalPrice -> Journal -> Journal
addHistoricalPrice h l0 = l0 { historical_prices = h : historical_prices l0 }
addTimeLogEntry :: TimeLogEntry -> Journal -> Journal
addTimeLogEntry tle l0 = l0 { open_timelog_entries = tle : open_timelog_entries l0 }
-- | Unique transaction descriptions used in this journal.
journalDescriptions :: Journal -> [String]
journalDescriptions = nub . sort . map tdescription . jtxns
-- | All postings from this journal's transactions, in order.
journalPostings :: Journal -> [Posting]
journalPostings = concatMap tpostings . jtxns
-- | Unique account names posted to in this journal.
journalAccountNamesUsed :: Journal -> [AccountName]
journalAccountNamesUsed = sort . accountNamesFromPostings . journalPostings
-- | Unique account names in this journal, including parent accounts containing no postings.
journalAccountNames :: Journal -> [AccountName]
journalAccountNames = sort . expandAccountNames . journalAccountNamesUsed
journalAccountNameTree :: Journal -> Tree AccountName
journalAccountNameTree = accountNameTreeFrom . journalAccountNames
-- standard account types
-- | A query for Profit & Loss accounts in this journal.
-- Cf <http://en.wikipedia.org/wiki/Chart_of_accounts#Profit_.26_Loss_accounts>.
journalProfitAndLossAccountQuery :: Journal -> Query
journalProfitAndLossAccountQuery j = Or [journalIncomeAccountQuery j
,journalExpenseAccountQuery j
]
-- | A query for Income (Revenue) accounts in this journal.
-- This is currently hard-coded to the case-insensitive regex @^(income|revenue)s?(:|$)@.
journalIncomeAccountQuery :: Journal -> Query
journalIncomeAccountQuery _ = Acct "^(income|revenue)s?(:|$)"
-- | A query for Expense accounts in this journal.
-- This is currently hard-coded to the case-insensitive regex @^expenses?(:|$)@.
journalExpenseAccountQuery :: Journal -> Query
journalExpenseAccountQuery _ = Acct "^expenses?(:|$)"
-- | A query for Asset, Liability & Equity accounts in this journal.
-- Cf <http://en.wikipedia.org/wiki/Chart_of_accounts#Balance_Sheet_Accounts>.
journalBalanceSheetAccountQuery :: Journal -> Query
journalBalanceSheetAccountQuery j = Or [journalAssetAccountQuery j
,journalLiabilityAccountQuery j
,journalEquityAccountQuery j
]
-- | A query for Asset accounts in this journal.
-- This is currently hard-coded to the case-insensitive regex @^assets?(:|$)@.
journalAssetAccountQuery :: Journal -> Query
journalAssetAccountQuery _ = Acct "^assets?(:|$)"
-- | A query for Liability accounts in this journal.
-- This is currently hard-coded to the case-insensitive regex @^liabilit(y|ies)(:|$)@.
journalLiabilityAccountQuery :: Journal -> Query
journalLiabilityAccountQuery _ = Acct "^liabilit(y|ies)(:|$)"
-- | A query for Equity accounts in this journal.
-- This is currently hard-coded to the case-insensitive regex @^equity(:|$)@.
journalEquityAccountQuery :: Journal -> Query
journalEquityAccountQuery _ = Acct "^equity(:|$)"
-- | A query for Cash (-equivalent) accounts in this journal (ie,
-- accounts which appear on the cashflow statement.) This is currently
-- hard-coded to be all the Asset accounts except for those containing the
-- case-insensitive regex @(receivable|A/R)@.
journalCashAccountQuery :: Journal -> Query
journalCashAccountQuery j = And [journalAssetAccountQuery j, Not $ Acct "(receivable|A/R)"]
-- Various kinds of filtering on journals. We do it differently depending
-- on the command.
-------------------------------------------------------------------------------
-- filtering V2
-- | Keep only postings matching the query expression.
-- This can leave unbalanced transactions.
filterJournalPostings :: Query -> Journal -> Journal
filterJournalPostings q j@Journal{jtxns=ts} = j{jtxns=map filtertransactionpostings ts}
where
filtertransactionpostings t@Transaction{tpostings=ps} = t{tpostings=filter (q `matchesPosting`) ps}
-- Within each posting's amount, keep only the parts matching the query.
-- This can leave unbalanced transactions.
filterJournalPostingAmounts :: Query -> Journal -> Journal
filterJournalPostingAmounts q j@Journal{jtxns=ts} = j{jtxns=map filtertransactionpostings ts}
where
filtertransactionpostings t@Transaction{tpostings=ps} = t{tpostings=map (filterPostingAmount q) ps}
-- | Filter out all parts of this posting's amount which do not match the query.
filterPostingAmount :: Query -> Posting -> Posting
filterPostingAmount q p@Posting{pamount=Mixed as} = p{pamount=Mixed $ filter (q `matchesAmount`) as}
-- | Keep only transactions matching the query expression.
filterJournalTransactions :: Query -> Journal -> Journal
filterJournalTransactions q j@Journal{jtxns=ts} = j{jtxns=filter (q `matchesTransaction`) ts}
{-
-------------------------------------------------------------------------------
-- filtering V1
-- | Keep only transactions we are interested in, as described by the
-- filter specification.
filterJournalTransactions :: FilterSpec -> Journal -> Journal
filterJournalTransactions FilterSpec{datespan=datespan
,cleared=cleared
-- ,real=real
-- ,empty=empty
,acctpats=apats
,descpats=dpats
,depth=depth
,fMetadata=md
} =
filterJournalTransactionsByClearedStatus cleared .
filterJournalPostingsByDepth depth .
filterJournalTransactionsByAccount apats .
filterJournalTransactionsByMetadata md .
filterJournalTransactionsByDescription dpats .
filterJournalTransactionsByDate datespan
-- | Keep only postings we are interested in, as described by the filter
-- specification. This can leave unbalanced transactions.
filterJournalPostings :: FilterSpec -> Journal -> Journal
filterJournalPostings FilterSpec{datespan=datespan
,cleared=cleared
,real=real
,empty=empty
,acctpats=apats
,descpats=dpats
,depth=depth
,fMetadata=md
} =
filterJournalPostingsByRealness real .
filterJournalPostingsByClearedStatus cleared .
filterJournalPostingsByEmpty empty .
filterJournalPostingsByDepth depth .
filterJournalPostingsByAccount apats .
filterJournalTransactionsByMetadata md .
filterJournalTransactionsByDescription dpats .
filterJournalTransactionsByDate datespan
-- | Keep only transactions whose metadata matches all metadata specifications.
filterJournalTransactionsByMetadata :: [(String,String)] -> Journal -> Journal
filterJournalTransactionsByMetadata pats j@Journal{jtxns=ts} = j{jtxns=filter matchmd ts}
where matchmd t = all (`elem` tmetadata t) pats
-- | Keep only transactions whose description matches the description patterns.
filterJournalTransactionsByDescription :: [String] -> Journal -> Journal
filterJournalTransactionsByDescription pats j@Journal{jtxns=ts} = j{jtxns=filter matchdesc ts}
where matchdesc = matchpats pats . tdescription
-- | Keep only transactions which fall between begin and end dates.
-- We include transactions on the begin date and exclude transactions on the end
-- date, like ledger. An empty date string means no restriction.
filterJournalTransactionsByDate :: DateSpan -> Journal -> Journal
filterJournalTransactionsByDate (DateSpan begin end) j@Journal{jtxns=ts} = j{jtxns=filter match ts}
where match t = maybe True (tdate t>=) begin && maybe True (tdate t<) end
-- | Keep only transactions which have the requested cleared/uncleared
-- status, if there is one.
filterJournalTransactionsByClearedStatus :: Maybe Bool -> Journal -> Journal
filterJournalTransactionsByClearedStatus Nothing j = j
filterJournalTransactionsByClearedStatus (Just val) j@Journal{jtxns=ts} = j{jtxns=filter match ts}
where match = (==val).tstatus
-- | Keep only postings which have the requested cleared/uncleared status,
-- if there is one.
filterJournalPostingsByClearedStatus :: Maybe Bool -> Journal -> Journal
filterJournalPostingsByClearedStatus Nothing j = j
filterJournalPostingsByClearedStatus (Just c) j@Journal{jtxns=ts} = j{jtxns=map filterpostings ts}
where filterpostings t@Transaction{tpostings=ps} = t{tpostings=filter ((==c) . postingCleared) ps}
-- | Strip out any virtual postings, if the flag is true, otherwise do
-- no filtering.
filterJournalPostingsByRealness :: Bool -> Journal -> Journal
filterJournalPostingsByRealness False j = j
filterJournalPostingsByRealness True j@Journal{jtxns=ts} = j{jtxns=map filterpostings ts}
where filterpostings t@Transaction{tpostings=ps} = t{tpostings=filter isReal ps}
-- | Strip out any postings with zero amount, unless the flag is true.
filterJournalPostingsByEmpty :: Bool -> Journal -> Journal
filterJournalPostingsByEmpty True j = j
filterJournalPostingsByEmpty False j@Journal{jtxns=ts} = j{jtxns=map filterpostings ts}
where filterpostings t@Transaction{tpostings=ps} = t{tpostings=filter (not . isEmptyPosting) ps}
-- -- | Keep only transactions which affect accounts deeper than the specified depth.
-- filterJournalTransactionsByDepth :: Maybe Int -> Journal -> Journal
-- filterJournalTransactionsByDepth Nothing j = j
-- filterJournalTransactionsByDepth (Just d) j@Journal{jtxns=ts} =
-- j{jtxns=(filter (any ((<= d+1) . accountNameLevel . paccount) . tpostings) ts)}
-- | Strip out any postings to accounts deeper than the specified depth
-- (and any transactions which have no postings as a result).
filterJournalPostingsByDepth :: Maybe Int -> Journal -> Journal
filterJournalPostingsByDepth Nothing j = j
filterJournalPostingsByDepth (Just d) j@Journal{jtxns=ts} =
j{jtxns=filter (not . null . tpostings) $ map filtertxns ts}
where filtertxns t@Transaction{tpostings=ps} =
t{tpostings=filter ((<= d) . accountNameLevel . paccount) ps}
-- | Keep only postings which affect accounts matched by the account patterns.
-- This can leave transactions unbalanced.
filterJournalPostingsByAccount :: [String] -> Journal -> Journal
filterJournalPostingsByAccount apats j@Journal{jtxns=ts} = j{jtxns=map filterpostings ts}
where filterpostings t@Transaction{tpostings=ps} = t{tpostings=filter (matchpats apats . paccount) ps}
-- | Keep only transactions which affect accounts matched by the account patterns.
-- More precisely: each positive account pattern excludes transactions
-- which do not contain a posting to a matched account, and each negative
-- account pattern excludes transactions containing a posting to a matched
-- account.
filterJournalTransactionsByAccount :: [String] -> Journal -> Journal
filterJournalTransactionsByAccount apats j@Journal{jtxns=ts} = j{jtxns=filter tmatch ts}
where
tmatch t = (null positives || any positivepmatch ps) && (null negatives || not (any negativepmatch ps)) where ps = tpostings t
positivepmatch p = any (`amatch` a) positives where a = paccount p
negativepmatch p = any (`amatch` a) negatives where a = paccount p
amatch pat a = regexMatchesCI (abspat pat) a
(negatives,positives) = partition isnegativepat apats
-}
-- | Apply additional account aliases (eg from the command-line) to all postings in a journal.
journalApplyAliases :: [(AccountName,AccountName)] -> Journal -> Journal
journalApplyAliases aliases j@Journal{jtxns=ts} = j{jtxns=map fixtransaction ts}
where
fixtransaction t@Transaction{tpostings=ps} = t{tpostings=map fixposting ps}
fixposting p@Posting{paccount=a} = p{paccount=accountNameApplyAliases aliases a}
-- | Do post-parse processing on a journal to make it ready for use: check
-- all transactions balance, canonicalise amount formats, close any open
-- timelog entries and so on.
journalFinalise :: ClockTime -> LocalTime -> FilePath -> String -> JournalContext -> Journal -> Either String Journal
journalFinalise tclock tlocal path txt ctx j@Journal{files=fs} = do
(journalBalanceTransactions $
journalCanonicaliseAmounts $
journalCloseTimeLogEntries tlocal
j{files=(path,txt):fs, filereadtime=tclock, jContext=ctx})
>>= journalCheckBalanceAssertions
-- | Check any balance assertions in the journal and return an error
-- message if any of them fail.
journalCheckBalanceAssertions :: Journal -> Either String Journal
journalCheckBalanceAssertions j = do
let postingsByAccount = groupBy (\p1 p2 -> paccount p1 == paccount p2) $
sortBy (comparing paccount) $
journalPostings j
forM_ postingsByAccount checkBalanceAssertionsForAccount
Right j
-- Check any balance assertions in this sequence of postings to a single account.
checkBalanceAssertionsForAccount :: [Posting] -> Either String ()
checkBalanceAssertionsForAccount ps
| null errs = Right ()
| otherwise = Left $ head errs
where
errs = fst $
foldl' checkBalanceAssertion ([],nullmixedamt) $
splitAssertions $
sortBy (comparing postingDate) ps
-- Given a starting balance, accumulated errors, and a non-null sequence of
-- postings to a single account with a balance assertion in the last:
-- check that the final balance matches the balance assertion.
-- If it does, return the new balance, otherwise add an error to the
-- error list. Intended to be called from a fold.
checkBalanceAssertion :: ([String],MixedAmount) -> [Posting] -> ([String],MixedAmount)
checkBalanceAssertion (errs,bal) ps
| null ps = (errs,bal)
| isNothing assertion = (errs,bal)
|
-- bal' /= assertedbal -- MixedAmount's Eq instance currently gets confused by different precisions
not $ isReallyZeroMixedAmount (bal' - assertedbal)
= (errs++[err], bal')
| otherwise = (errs,bal')
where
p = last ps
assertion = pbalanceassertion p
Just assertedbal = assertion
bal' = sum $ [bal] ++ map pamount ps
err = printf "Balance assertion failed for account %s on %s\n%sAfter posting:\n %s\nexpected balance is %s, actual balance was %s."
(paccount p)
(show $ postingDate p)
(maybe "" (("In transaction:\n"++).show) $ ptransaction p)
(show p)
(showMixedAmount assertedbal)
(showMixedAmount bal')
-- Given a sequence of postings to a single account, split it into
-- sub-sequences consisting of ordinary postings followed by a single
-- balance-asserting posting. Postings not followed by a balance
-- assertion are discarded.
splitAssertions :: [Posting] -> [[Posting]]
splitAssertions ps
| null rest = [[]]
| otherwise = (ps'++[head rest]):splitAssertions (tail rest)
where
(ps',rest) = break (isJust . pbalanceassertion) ps
-- | Fill in any missing amounts and check that all journal transactions
-- balance, or return an error message. This is done after parsing all
-- amounts and working out the canonical commodities, since balancing
-- depends on display precision. Reports only the first error encountered.
journalBalanceTransactions :: Journal -> Either String Journal
journalBalanceTransactions j@Journal{jtxns=ts, jcommoditystyles=ss} =
case sequence $ map balance ts of Right ts' -> Right j{jtxns=map txnTieKnot ts'}
Left e -> Left e
where balance = balanceTransaction (Just ss)
-- | Convert all the journal's posting amounts (not price amounts) to
-- their canonical display settings. Ie, all amounts in a given
-- commodity will use (a) the display settings of the first, and (b)
-- the greatest precision, of the posting amounts in that commodity.
journalCanonicaliseAmounts :: Journal -> Journal
journalCanonicaliseAmounts j@Journal{jtxns=ts} = j''
where
j'' = j'{jtxns=map fixtransaction ts}
j' = j{jcommoditystyles = canonicalStyles $ journalAmounts j}
fixtransaction t@Transaction{tpostings=ps} = t{tpostings=map fixposting ps}
fixposting p@Posting{pamount=a} = p{pamount=fixmixedamount a}
fixmixedamount (Mixed as) = Mixed $ map fixamount as
fixamount a@Amount{acommodity=c} = a{astyle=journalCommodityStyle j' c}
-- | Get this journal's canonical amount style for the given commodity, or the null style.
journalCommodityStyle :: Journal -> Commodity -> AmountStyle
journalCommodityStyle j c = M.findWithDefault amountstyle c $ jcommoditystyles j
-- -- | Apply this journal's historical price records to unpriced amounts where possible.
-- journalApplyHistoricalPrices :: Journal -> Journal
-- journalApplyHistoricalPrices j@Journal{jtxns=ts} = j{jtxns=map fixtransaction ts}
-- where
-- fixtransaction t@Transaction{tdate=d, tpostings=ps} = t{tpostings=map fixposting ps}
-- where
-- fixposting p@Posting{pamount=a} = p{pamount=fixmixedamount a}
-- fixmixedamount (Mixed as) = Mixed $ map fixamount as
-- fixamount = fixprice
-- fixprice a@Amount{price=Just _} = a
-- fixprice a@Amount{commodity=c} = a{price=maybe Nothing (Just . UnitPrice) $ journalHistoricalPriceFor j d c}
-- -- | Get the price for a commodity on the specified day from the price database, if known.
-- -- Does only one lookup step, ie will not look up the price of a price.
-- journalHistoricalPriceFor :: Journal -> Day -> Commodity -> Maybe MixedAmount
-- journalHistoricalPriceFor j d Commodity{symbol=s} = do
-- let ps = reverse $ filter ((<= d).hdate) $ filter ((s==).hsymbol) $ sortBy (comparing hdate) $ historical_prices j
-- case ps of (HistoricalPrice{hamount=a}:_) -> Just a
-- _ -> Nothing
-- | Close any open timelog sessions in this journal using the provided current time.
journalCloseTimeLogEntries :: LocalTime -> Journal -> Journal
journalCloseTimeLogEntries now j@Journal{jtxns=ts, open_timelog_entries=es} =
j{jtxns = ts ++ (timeLogEntriesToTransactions now es), open_timelog_entries = []}
-- | Convert all this journal's amounts to cost by applying their prices, if any.
journalConvertAmountsToCost :: Journal -> Journal
journalConvertAmountsToCost j@Journal{jtxns=ts} = j{jtxns=map fixtransaction ts}
where
-- similar to journalCanonicaliseAmounts
fixtransaction t@Transaction{tpostings=ps} = t{tpostings=map fixposting ps}
fixposting p@Posting{pamount=a} = p{pamount=fixmixedamount a}
fixmixedamount (Mixed as) = Mixed $ map fixamount as
fixamount = canonicaliseAmount (jcommoditystyles j) . costOfAmount
-- -- | Get this journal's unique, display-preference-canonicalised commodities, by symbol.
-- journalCanonicalCommodities :: Journal -> M.Map String Commodity
-- journalCanonicalCommodities j = canonicaliseCommodities $ journalAmountCommodities j
-- -- | Get all this journal's amounts' commodities, in the order parsed.
-- journalAmountCommodities :: Journal -> [Commodity]
-- journalAmountCommodities = map acommodity . concatMap amounts . journalAmounts
-- -- | Get all this journal's amount and price commodities, in the order parsed.
-- journalAmountAndPriceCommodities :: Journal -> [Commodity]
-- journalAmountAndPriceCommodities = concatMap amountCommodities . concatMap amounts . journalAmounts
-- -- | Get this amount's commodity and any commodities referenced in its price.
-- amountCommodities :: Amount -> [Commodity]
-- amountCommodities Amount{acommodity=c,aprice=p} =
-- case p of Nothing -> [c]
-- Just (UnitPrice ma) -> c:(concatMap amountCommodities $ amounts ma)
-- Just (TotalPrice ma) -> c:(concatMap amountCommodities $ amounts ma)
-- | Get all this journal's (mixed) amounts, in the order parsed.
journalMixedAmounts :: Journal -> [MixedAmount]
journalMixedAmounts = map pamount . journalPostings
-- | Get all this journal's component amounts, roughly in the order parsed.
journalAmounts :: Journal -> [Amount]
journalAmounts = concatMap flatten . journalMixedAmounts where flatten (Mixed as) = as
-- | The (fully specified) date span containing this journal's transactions,
-- or DateSpan Nothing Nothing if there are none.
journalDateSpan :: Journal -> DateSpan
journalDateSpan j
| null ts = DateSpan Nothing Nothing
| otherwise = DateSpan (Just $ tdate $ head ts) (Just $ addDays 1 $ tdate $ last ts)
where
ts = sortBy (comparing tdate) $ jtxns j
-- Misc helpers
-- | Check if a set of hledger account/description filter patterns matches the
-- given account name or entry description. Patterns are case-insensitive
-- regular expressions. Prefixed with not:, they become anti-patterns.
matchpats :: [String] -> String -> Bool
matchpats pats str =
(null positives || any match positives) && (null negatives || not (any match negatives))
where
(negatives,positives) = partition isnegativepat pats
match "" = True
match pat = regexMatchesCI (abspat pat) str
negateprefix = "not:"
isnegativepat = (negateprefix `isPrefixOf`)
abspat pat = if isnegativepat pat then drop (length negateprefix) pat else pat
-- debug helpers
-- traceAmountPrecision a = trace (show $ map (precision . acommodity) $ amounts a) a
-- tracePostingsCommodities ps = trace (show $ map ((map (precision . acommodity) . amounts) . pamount) ps) ps
-- tests
-- A sample journal for testing, similar to data/sample.journal:
--
-- 2008/01/01 income
-- assets:bank:checking $1
-- income:salary
--
-- 2008/06/01 gift
-- assets:bank:checking $1
-- income:gifts
--
-- 2008/06/02 save
-- assets:bank:saving $1
-- assets:bank:checking
--
-- 2008/06/03 * eat & shop
-- expenses:food $1
-- expenses:supplies $1
-- assets:cash
--
-- 2008/12/31 * pay off
-- liabilities:debts $1
-- assets:bank:checking
--
Right samplejournal = journalBalanceTransactions $
nulljournal
{jtxns = [
txnTieKnot $ Transaction {
tdate=parsedate "2008/01/01",
tdate2=Nothing,
tstatus=False,
tcode="",
tdescription="income",
tcomment="",
ttags=[],
tpostings=
["assets:bank:checking" `post` usd 1
,"income:salary" `post` missingamt
],
tpreceding_comment_lines=""
}
,
txnTieKnot $ Transaction {
tdate=parsedate "2008/06/01",
tdate2=Nothing,
tstatus=False,
tcode="",
tdescription="gift",
tcomment="",
ttags=[],
tpostings=
["assets:bank:checking" `post` usd 1
,"income:gifts" `post` missingamt
],
tpreceding_comment_lines=""
}
,
txnTieKnot $ Transaction {
tdate=parsedate "2008/06/02",
tdate2=Nothing,
tstatus=False,
tcode="",
tdescription="save",
tcomment="",
ttags=[],
tpostings=
["assets:bank:saving" `post` usd 1
,"assets:bank:checking" `post` usd (-1)
],
tpreceding_comment_lines=""
}
,
txnTieKnot $ Transaction {
tdate=parsedate "2008/06/03",
tdate2=Nothing,
tstatus=True,
tcode="",
tdescription="eat & shop",
tcomment="",
ttags=[],
tpostings=["expenses:food" `post` usd 1
,"expenses:supplies" `post` usd 1
,"assets:cash" `post` missingamt
],
tpreceding_comment_lines=""
}
,
txnTieKnot $ Transaction {
tdate=parsedate "2008/12/31",
tdate2=Nothing,
tstatus=False,
tcode="",
tdescription="pay off",
tcomment="",
ttags=[],
tpostings=["liabilities:debts" `post` usd 1
,"assets:bank:checking" `post` usd (-1)
],
tpreceding_comment_lines=""
}
]
}
tests_Hledger_Data_Journal = TestList $
[
-- "query standard account types" ~:
-- do
-- let j = journal1
-- journalBalanceSheetAccountNames j `is` ["assets","assets:a","equity","equity:q","equity:q:qq","liabilities","liabilities:l"]
-- journalProfitAndLossAccountNames j `is` ["expenses","expenses:e","income","income:i"]
]