hledger/hledger-lib/Hledger/Reports/PostingsReport.hs

419 lines
22 KiB
Haskell

{-# LANGUAGE RecordWildCards, DeriveDataTypeable, FlexibleInstances #-}
{-|
Postings report, used by the register command.
-}
module Hledger.Reports.PostingsReport (
PostingsReport,
PostingsReportItem,
postingsReport,
mkpostingsReportItem,
-- * Tests
tests_Hledger_Reports_PostingsReport
)
where
import Control.Monad
import Data.List
import Data.Maybe
import Data.Ord
import Data.Time.Calendar
import Safe (headMay, lastMay)
import Test.HUnit
import Text.ParserCombinators.Parsec
import Text.Printf
import Hledger.Data
import Hledger.Query
import Hledger.Utils
import Hledger.Reports.ReportOptions
-- | A postings report is a list of postings with a running total, a label
-- for the total field, and a little extra transaction info to help with rendering.
-- This is used eg for the register command.
type PostingsReport = (String -- label for the running balance column XXX remove
,[PostingsReportItem] -- line items, one per posting
)
type PostingsReportItem = (Maybe Day -- posting date, if this is the first posting in a transaction or if it's different from the previous posting's date
,Maybe String -- transaction description, if this is the first posting in a transaction
,Posting -- the posting, possibly with account name depth-clipped
,MixedAmount -- the running total after this posting (or with --average, the running average)
)
-- | Select postings from the journal and add running balance and other
-- information to make a postings report. Used by eg hledger's register command.
postingsReport :: ReportOpts -> Query -> Journal -> PostingsReport
postingsReport opts q j = (totallabel, items)
where
-- figure out adjusted queries & spans like multiBalanceReport
symq = dbg "symq" $ filterQuery queryIsSym $ dbg "requested q" q
depth = queryDepth q
depthless = filterQuery (not . queryIsDepth)
dateless = filterQuery (not . queryIsDate)
-- precedingq = dbg "precedingq" $ And [datelessq, Date $ DateSpan Nothing (spanStart reportspan)]
requestedspan = dbg "requestedspan" $ queryDateSpan (date2_ opts) q -- span specified by -b/-e/-p options and query args
requestedspan' = dbg "requestedspan'" $ requestedspan `spanDefaultsFrom` journalDateSpan (date2_ opts) j -- if open-ended, close it using the journal's end dates
intervalspans = dbg "intervalspans" $ splitSpan (intervalFromOpts opts) requestedspan' -- interval spans enclosing it
reportspan = dbg "reportspan" $ DateSpan (maybe Nothing spanStart $ headMay intervalspans) -- the requested span enlarged to a whole number of intervals
(maybe Nothing spanEnd $ lastMay intervalspans)
newdatesq = dbg "newdateq" $ (if date2_ opts then Date2 else Date) reportspan
reportq = dbg "reportq" $ depthless $ And [dateless q, newdatesq] -- user's query enlarged to whole intervals and with no depth limit
(precedingps, displayableps, _) =
dbg "ps5" $ postingsMatchingDisplayExpr displayexpr opts $ -- filter and group by the -d display expression
dbg "ps4" $ map (filterPostingAmount symq) $ -- remove amount parts which the query's sym: terms would exclude
dbg "ps3" $ (if related_ opts then concatMap relatedPostings else id) $ -- with -r, replace each with its sibling postings
dbg "ps2" $ filter (reportq `matchesPosting`) $ -- filter postings by the query, ignoring depth
dbg "ps1" $ journalPostings $ journalSelectingAmountFromOpts opts j
empty = queryEmpty q
displayexpr = display_ opts -- XXX
interval = intervalFromOpts opts -- XXX
whichdate = whichDateFromOpts opts
ps | interval == NoInterval = displayableps
| otherwise = summarisePostingsByInterval interval whichdate depth empty reportspan displayableps
startbal = sumPostings precedingps
runningcalcfn | average_ opts = \i avg amt -> avg + (amt - avg) `divideMixedAmount` (fromIntegral i)
| otherwise = \_ bal amt -> bal + amt
items = postingsReportItems ps nullposting whichdate depth startbal runningcalcfn 1
dbg s = let p = "postingsReport" in Hledger.Utils.dbg (p++" "++s) -- add prefix in debug output
-- dbg = const id -- exclude from debug output
totallabel = "Total"
-- | Generate postings report line items.
postingsReportItems :: [Posting] -> Posting -> WhichDate -> Int -> MixedAmount -> (Int -> MixedAmount -> MixedAmount -> MixedAmount) -> Int -> [PostingsReportItem]
postingsReportItems [] _ _ _ _ _ _ = []
postingsReportItems (p:ps) pprev wd d b runningcalcfn itemnum = i:(postingsReportItems ps p wd d b' runningcalcfn (itemnum+1))
where
i = mkpostingsReportItem showdate showdesc wd p' b'
showdate = isfirstintxn || isdifferentdate
showdesc = isfirstintxn
isfirstintxn = ptransaction p /= ptransaction pprev
isdifferentdate = case wd of PrimaryDate -> postingDate p /= postingDate pprev
SecondaryDate -> postingDate2 p /= postingDate2 pprev
p' = p{paccount=clipAccountName d $ paccount p}
b' = runningcalcfn itemnum b (pamount p)
-- | Generate one postings report line item, containing the posting,
-- the current running balance, and optionally the posting date and/or
-- the transaction description.
mkpostingsReportItem :: Bool -> Bool -> WhichDate -> Posting -> MixedAmount -> PostingsReportItem
mkpostingsReportItem showdate showdesc wd p b = (if showdate then Just date else Nothing, if showdesc then Just desc else Nothing, p, b)
where
date = case wd of PrimaryDate -> postingDate p
SecondaryDate -> postingDate2 p
desc = maybe "" tdescription $ ptransaction p
-- | Date-sort and split a list of postings into three spans - postings matched
-- by the given display expression, and the preceding and following postings.
-- XXX always sorts by primary date, should sort by secondary date if expression is about that
postingsMatchingDisplayExpr :: Maybe String -> ReportOpts -> [Posting] -> ([Posting],[Posting],[Posting])
postingsMatchingDisplayExpr d opts ps = (before, matched, after)
where
sorted = sortBy (comparing (postingDateFn opts)) ps
(before, rest) = break (displayExprMatches d) sorted
(matched, after) = span (displayExprMatches d) rest
-- | Does this display expression allow this posting to be displayed ?
-- Raises an error if the display expression can't be parsed.
displayExprMatches :: Maybe String -> Posting -> Bool
displayExprMatches Nothing _ = True
displayExprMatches (Just d) p = (fromparse $ parsewith datedisplayexpr d) p
-- | Parse a hledger display expression, which is a simple date test like
-- "d>[DATE]" or "d<=[DATE]", and return a "Posting"-matching predicate.
datedisplayexpr :: GenParser Char st (Posting -> Bool)
datedisplayexpr = do
char 'd'
op <- compareop
char '['
(y,m,d) <- smartdate
char ']'
let date = parsedate $ printf "%04s/%02s/%02s" y m d
test op = return $ (`op` date) . postingDate
case op of
"<" -> test (<)
"<=" -> test (<=)
"=" -> test (==)
"==" -> test (==)
">=" -> test (>=)
">" -> test (>)
_ -> mzero
where
compareop = choice $ map (try . string) ["<=",">=","==","<","=",">"]
-- -- | Clip the account names to the specified depth in a list of postings.
-- depthClipPostings :: Maybe Int -> [Posting] -> [Posting]
-- depthClipPostings depth = map (depthClipPosting depth)
-- -- | Clip a posting's account name to the specified depth.
-- depthClipPosting :: Maybe Int -> Posting -> Posting
-- depthClipPosting Nothing p = p
-- depthClipPosting (Just d) p@Posting{paccount=a} = p{paccount=clipAccountName d a}
-- XXX confusing, refactor
-- | Convert a list of postings into summary postings. Summary postings
-- are one per account per interval and aggregated to the specified depth
-- if any.
summarisePostingsByInterval :: Interval -> WhichDate -> Int -> Bool -> DateSpan -> [Posting] -> [Posting]
summarisePostingsByInterval interval wd depth empty reportspan ps = concatMap summarisespan $ splitSpan interval reportspan
where
summarisespan s = summarisePostingsInDateSpan s wd depth empty (postingsinspan s)
postingsinspan s = filter (isPostingInDateSpan' wd s) ps
tests_summarisePostingsByInterval = [
"summarisePostingsByInterval" ~: do
summarisePostingsByInterval (Quarters 1) PrimaryDate 99999 False (DateSpan Nothing Nothing) [] ~?= []
]
-- | Given a date span (representing a reporting interval) and a list of
-- postings within it: aggregate the postings so there is only one per
-- account, and adjust their date/description so that they will render
-- as a summary for this interval.
--
-- As usual with date spans the end date is exclusive, but for display
-- purposes we show the previous day as end date, like ledger.
--
-- When a depth argument is present, postings to accounts of greater
-- depth are aggregated where possible.
--
-- The showempty flag includes spans with no postings and also postings
-- with 0 amount.
summarisePostingsInDateSpan :: DateSpan -> WhichDate -> Int -> Bool -> [Posting] -> [Posting]
summarisePostingsInDateSpan (DateSpan b e) wd depth showempty ps
| null ps && (isNothing b || isNothing e) = []
| null ps && showempty = [summaryp]
| otherwise = summaryps'
where
summaryp = summaryPosting b' ("- "++ showDate (addDays (-1) e'))
b' = fromMaybe (maybe nulldate postingdate $ headMay ps) b
e' = fromMaybe (maybe (addDays 1 nulldate) postingdate $ lastMay ps) e
postingdate = if wd == PrimaryDate then postingDate else postingDate2
summaryPosting date desc = nullposting{ptransaction=Just nulltransaction{tdate=date,tdescription=desc}}
summaryps' = (if showempty then id else filter (not . isZeroMixedAmount . pamount)) summaryps
summaryps = [summaryp{paccount=a,pamount=balance a} | a <- clippedanames]
clippedanames = nub $ map (clipAccountName depth) anames
anames = sort $ nub $ map paccount ps
-- aggregate balances by account, like ledgerFromJournal, then do depth-clipping
accts = accountsFromPostings ps
balance a = maybe nullmixedamt bal $ lookupAccount a accts
where
bal = if isclipped a then aibalance else aebalance
isclipped a = accountNameLevel a >= depth
-- tests_summarisePostingsInDateSpan = [
-- "summarisePostingsInDateSpan" ~: do
-- let gives (b,e,depth,showempty,ps) =
-- (summarisePostingsInDateSpan (mkdatespan b e) depth showempty ps `is`)
-- let ps =
-- [
-- nullposting{lpdescription="desc",lpaccount="expenses:food:groceries",lpamount=Mixed [usd 1]}
-- ,nullposting{lpdescription="desc",lpaccount="expenses:food:dining", lpamount=Mixed [usd 2]}
-- ,nullposting{lpdescription="desc",lpaccount="expenses:food", lpamount=Mixed [usd 4]}
-- ,nullposting{lpdescription="desc",lpaccount="expenses:food:dining", lpamount=Mixed [usd 8]}
-- ]
-- ("2008/01/01","2009/01/01",0,9999,False,[]) `gives`
-- []
-- ("2008/01/01","2009/01/01",0,9999,True,[]) `gives`
-- [
-- nullposting{lpdate=parsedate "2008/01/01",lpdescription="- 2008/12/31"}
-- ]
-- ("2008/01/01","2009/01/01",0,9999,False,ts) `gives`
-- [
-- nullposting{lpdate=parsedate "2008/01/01",lpdescription="- 2008/12/31",lpaccount="expenses:food", lpamount=Mixed [usd 4]}
-- ,nullposting{lpdate=parsedate "2008/01/01",lpdescription="- 2008/12/31",lpaccount="expenses:food:dining", lpamount=Mixed [usd 10]}
-- ,nullposting{lpdate=parsedate "2008/01/01",lpdescription="- 2008/12/31",lpaccount="expenses:food:groceries",lpamount=Mixed [usd 1]}
-- ]
-- ("2008/01/01","2009/01/01",0,2,False,ts) `gives`
-- [
-- nullposting{lpdate=parsedate "2008/01/01",lpdescription="- 2008/12/31",lpaccount="expenses:food",lpamount=Mixed [usd 15]}
-- ]
-- ("2008/01/01","2009/01/01",0,1,False,ts) `gives`
-- [
-- nullposting{lpdate=parsedate "2008/01/01",lpdescription="- 2008/12/31",lpaccount="expenses",lpamount=Mixed [usd 15]}
-- ]
-- ("2008/01/01","2009/01/01",0,0,False,ts) `gives`
-- [
-- nullposting{lpdate=parsedate "2008/01/01",lpdescription="- 2008/12/31",lpaccount="",lpamount=Mixed [usd 15]}
-- ]
tests_postingsReport = [
"postingsReport" ~: do
-- with the query specified explicitly
let (query, journal) `gives` n = (length $ snd $ postingsReport defreportopts query journal) `is` n
(Any, nulljournal) `gives` 0
(Any, samplejournal) `gives` 11
-- register --depth just clips account names
(Depth 2, samplejournal) `gives` 11
(And [Depth 1, Status True, Acct "expenses"], samplejournal) `gives` 2
(And [And [Depth 1, Status True], Acct "expenses"], samplejournal) `gives` 2
-- with query and/or command-line options
assertEqual "" 11 (length $ snd $ postingsReport defreportopts Any samplejournal)
assertEqual "" 9 (length $ snd $ postingsReport defreportopts{monthly_=True} Any samplejournal)
assertEqual "" 19 (length $ snd $ postingsReport defreportopts{monthly_=True} (Empty True) samplejournal)
assertEqual "" 4 (length $ snd $ postingsReport defreportopts (Acct "assets:bank:checking") samplejournal)
-- (defreportopts, And [Acct "a a", Acct "'b"], samplejournal2) `gives` 0
-- [(Just (parsedate "2008-01-01","income"),assets:bank:checking $1,$1)
-- ,(Nothing,income:salary $-1,0)
-- ,(Just (2008-06-01,"gift"),assets:bank:checking $1,$1)
-- ,(Nothing,income:gifts $-1,0)
-- ,(Just (2008-06-02,"save"),assets:bank:saving $1,$1)
-- ,(Nothing,assets:bank:checking $-1,0)
-- ,(Just (2008-06-03,"eat & shop"),expenses:food $1,$1)
-- ,(Nothing,expenses:supplies $1,$2)
-- ,(Nothing,assets:cash $-2,0)
-- ,(Just (2008-12-31,"pay off"),liabilities:debts $1,$1)
-- ,(Nothing,assets:bank:checking $-1,0)
-- ]
{-
let opts = defreportopts
(postingsReportAsText opts $ postingsReport opts (queryFromOpts date1 opts) j) `is` unlines
["2008/01/01 income assets:bank:checking $1 $1"
," income:salary $-1 0"
,"2008/06/01 gift assets:bank:checking $1 $1"
," income:gifts $-1 0"
,"2008/06/02 save assets:bank:saving $1 $1"
," assets:bank:checking $-1 0"
,"2008/06/03 eat & shop expenses:food $1 $1"
," expenses:supplies $1 $2"
," assets:cash $-2 0"
,"2008/12/31 pay off liabilities:debts $1 $1"
," assets:bank:checking $-1 0"
]
,"postings report with cleared option" ~:
do
let opts = defreportopts{cleared_=True}
j <- readJournal' sample_journal_str
(postingsReportAsText opts $ postingsReport opts (queryFromOpts date1 opts) j) `is` unlines
["2008/06/03 eat & shop expenses:food $1 $1"
," expenses:supplies $1 $2"
," assets:cash $-2 0"
,"2008/12/31 pay off liabilities:debts $1 $1"
," assets:bank:checking $-1 0"
]
,"postings report with uncleared option" ~:
do
let opts = defreportopts{uncleared_=True}
j <- readJournal' sample_journal_str
(postingsReportAsText opts $ postingsReport opts (queryFromOpts date1 opts) j) `is` unlines
["2008/01/01 income assets:bank:checking $1 $1"
," income:salary $-1 0"
,"2008/06/01 gift assets:bank:checking $1 $1"
," income:gifts $-1 0"
,"2008/06/02 save assets:bank:saving $1 $1"
," assets:bank:checking $-1 0"
]
,"postings report sorts by date" ~:
do
j <- readJournal' $ unlines
["2008/02/02 a"
," b 1"
," c"
,""
,"2008/01/01 d"
," e 1"
," f"
]
let opts = defreportopts
registerdates (postingsReportAsText opts $ postingsReport opts (queryFromOpts date1 opts) j) `is` ["2008/01/01","2008/02/02"]
,"postings report with account pattern" ~:
do
j <- samplejournal
let opts = defreportopts{patterns_=["cash"]}
(postingsReportAsText opts $ postingsReport opts (queryFromOpts date1 opts) j) `is` unlines
["2008/06/03 eat & shop assets:cash $-2 $-2"
]
,"postings report with account pattern, case insensitive" ~:
do
j <- samplejournal
let opts = defreportopts{patterns_=["cAsH"]}
(postingsReportAsText opts $ postingsReport opts (queryFromOpts date1 opts) j) `is` unlines
["2008/06/03 eat & shop assets:cash $-2 $-2"
]
,"postings report with display expression" ~:
do
j <- samplejournal
let gives displayexpr =
(registerdates (postingsReportAsText opts $ postingsReport opts (queryFromOpts date1 opts) j) `is`)
where opts = defreportopts{display_=Just displayexpr}
"d<[2008/6/2]" `gives` ["2008/01/01","2008/06/01"]
"d<=[2008/6/2]" `gives` ["2008/01/01","2008/06/01","2008/06/02"]
"d=[2008/6/2]" `gives` ["2008/06/02"]
"d>=[2008/6/2]" `gives` ["2008/06/02","2008/06/03","2008/12/31"]
"d>[2008/6/2]" `gives` ["2008/06/03","2008/12/31"]
,"postings report with period expression" ~:
do
j <- samplejournal
let periodexpr `gives` dates = do
j' <- samplejournal
registerdates (postingsReportAsText opts $ postingsReport opts (queryFromOpts date1 opts) j') `is` dates
where opts = defreportopts{period_=maybePeriod date1 periodexpr}
"" `gives` ["2008/01/01","2008/06/01","2008/06/02","2008/06/03","2008/12/31"]
"2008" `gives` ["2008/01/01","2008/06/01","2008/06/02","2008/06/03","2008/12/31"]
"2007" `gives` []
"june" `gives` ["2008/06/01","2008/06/02","2008/06/03"]
"monthly" `gives` ["2008/01/01","2008/06/01","2008/12/01"]
"quarterly" `gives` ["2008/01/01","2008/04/01","2008/10/01"]
let opts = defreportopts{period_=maybePeriod date1 "yearly"}
(postingsReportAsText opts $ postingsReport opts (queryFromOpts date1 opts) j) `is` unlines
["2008/01/01 - 2008/12/31 assets:bank:saving $1 $1"
," assets:cash $-2 $-1"
," expenses:food $1 0"
," expenses:supplies $1 $1"
," income:gifts $-1 0"
," income:salary $-1 $-1"
," liabilities:debts $1 0"
]
let opts = defreportopts{period_=maybePeriod date1 "quarterly"}
registerdates (postingsReportAsText opts $ postingsReport opts (queryFromOpts date1 opts) j) `is` ["2008/01/01","2008/04/01","2008/10/01"]
let opts = defreportopts{period_=maybePeriod date1 "quarterly",empty_=True}
registerdates (postingsReportAsText opts $ postingsReport opts (queryFromOpts date1 opts) j) `is` ["2008/01/01","2008/04/01","2008/07/01","2008/10/01"]
]
, "postings report with depth arg" ~:
do
j <- samplejournal
let opts = defreportopts{depth_=Just 2}
(postingsReportAsText opts $ postingsReport opts (queryFromOpts date1 opts) j) `is` unlines
["2008/01/01 income assets:bank $1 $1"
," income:salary $-1 0"
,"2008/06/01 gift assets:bank $1 $1"
," income:gifts $-1 0"
,"2008/06/02 save assets:bank $1 $1"
," assets:bank $-1 0"
,"2008/06/03 eat & shop expenses:food $1 $1"
," expenses:supplies $1 $2"
," assets:cash $-2 0"
,"2008/12/31 pay off liabilities:debts $1 $1"
," assets:bank $-1 0"
]
-}
]
tests_Hledger_Reports_PostingsReport :: Test
tests_Hledger_Reports_PostingsReport = TestList $
tests_summarisePostingsByInterval
++ tests_postingsReport