660ba7e1d9
isZeroAmount -> amountLooksZero isReallyZeroAmount -> amountIsZero isZeroMixedAmount -> mixedAmountLooksZero isReallyZeroMixedAmount -> mixedAmountIsZero isReallyZeroMixedAmountCost dropped
348 lines
16 KiB
Haskell
348 lines
16 KiB
Haskell
{- |
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-}
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{-# LANGUAGE CPP #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE RecordWildCards #-}
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{-# LANGUAGE ScopedTypeVariables #-}
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module Hledger.Reports.BudgetReport
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where
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import Data.Decimal
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import Data.List
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import Data.List.Extra (nubSort)
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import Data.Maybe
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#if !(MIN_VERSION_base(4,11,0))
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import Data.Monoid ((<>))
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#endif
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import Data.Ord
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import Data.Time.Calendar
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import Safe
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--import Data.List
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--import Data.Maybe
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import qualified Data.Map as Map
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import Data.Map (Map)
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import qualified Data.Text as T
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--import qualified Data.Text.Lazy as TL
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--import System.Console.CmdArgs.Explicit as C
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--import Lucid as L
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import Text.Printf (printf)
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import Text.Tabular as T
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--import Text.Tabular.AsciiWide
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import Hledger.Data
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--import Hledger.Query
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import Hledger.Utils
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--import Hledger.Read (mamountp')
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import Hledger.Reports.ReportOptions
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import Hledger.Reports.ReportTypes
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import Hledger.Reports.BalanceReport (sortAccountItemsLike)
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import Hledger.Reports.MultiBalanceReport
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type BudgetGoal = Change
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type BudgetTotal = Total
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type BudgetAverage = Average
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-- | A budget report tracks expected and actual changes per account and subperiod.
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type BudgetCell = (Maybe Change, Maybe BudgetGoal)
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type BudgetReport = PeriodicReport AccountName BudgetCell
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type BudgetReportRow = PeriodicReportRow AccountName BudgetCell
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-- | Calculate budget goals from all periodic transactions,
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-- actual balance changes from the regular transactions,
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-- and compare these to get a 'BudgetReport'.
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-- Unbudgeted accounts may be hidden or renamed (see budgetRollup).
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budgetReport :: ReportOpts -> Bool -> DateSpan -> Day -> Journal -> BudgetReport
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budgetReport ropts' assrt reportspan d j =
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let
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-- Budget report demands ALTree mode to ensure subaccounts and subaccount budgets are properly handled
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-- and that reports with and without --empty make sense when compared side by side
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ropts = ropts' { accountlistmode_ = ALTree }
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showunbudgeted = empty_ ropts
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budgetedaccts =
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dbg2 "budgetedacctsinperiod" $
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nub $
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concatMap expandAccountName $
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accountNamesFromPostings $
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concatMap tpostings $
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concatMap (`runPeriodicTransaction` reportspan) $
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jperiodictxns j
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actualj = dbg1With (("actualj"++).show.jtxns) $ budgetRollUp budgetedaccts showunbudgeted j
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budgetj = dbg1With (("budgetj"++).show.jtxns) $ budgetJournal assrt ropts reportspan j
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actualreport@(PeriodicReport actualspans _ _) =
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dbg1 "actualreport" $ multiBalanceReport d ropts actualj
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budgetgoalreport@(PeriodicReport _ budgetgoalitems budgetgoaltotals) =
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dbg1 "budgetgoalreport" $ multiBalanceReport d (ropts{empty_=True}) budgetj
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budgetgoalreport'
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-- If no interval is specified:
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-- budgetgoalreport's span might be shorter actualreport's due to periodic txns;
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-- it should be safe to replace it with the latter, so they combine well.
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| interval_ ropts == NoInterval = PeriodicReport actualspans budgetgoalitems budgetgoaltotals
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| otherwise = budgetgoalreport
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budgetreport = combineBudgetAndActual budgetgoalreport' actualreport
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sortedbudgetreport = sortBudgetReport ropts j budgetreport
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in
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dbg1 "sortedbudgetreport" sortedbudgetreport
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-- | Sort a budget report's rows according to options.
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sortBudgetReport :: ReportOpts -> Journal -> BudgetReport -> BudgetReport
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sortBudgetReport ropts j (PeriodicReport ps rows trow) = PeriodicReport ps sortedrows trow
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where
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sortedrows
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| sort_amount_ ropts && tree_ ropts = sortTreeBURByActualAmount rows
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| sort_amount_ ropts = sortFlatBURByActualAmount rows
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| otherwise = sortByAccountDeclaration rows
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-- Sort a tree-mode budget report's rows by total actual amount at each level.
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sortTreeBURByActualAmount :: [BudgetReportRow] -> [BudgetReportRow]
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sortTreeBURByActualAmount rows = sortedrows
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where
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anamesandrows = [(prrName r, r) | r <- rows]
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anames = map fst anamesandrows
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atotals = [(a, tot) | PeriodicReportRow a _ _ (tot,_) _ <- rows]
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accounttree = accountTree "root" anames
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accounttreewithbals = mapAccounts setibalance accounttree
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where
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setibalance a = a{aibalance=
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fromMaybe 0 $ -- when there's no actual amount, assume 0; will mess up with negative amounts ? TODO
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fromMaybe (error "sortTreeByAmount 1") $ -- should not happen, but it's ugly; TODO
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lookup (aname a) atotals
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}
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sortedaccounttree = sortAccountTreeByAmount (fromMaybe NormallyPositive $ normalbalance_ ropts) accounttreewithbals
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sortedanames = map aname $ drop 1 $ flattenAccounts sortedaccounttree
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sortedrows = sortAccountItemsLike sortedanames anamesandrows
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-- Sort a flat-mode budget report's rows by total actual amount.
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sortFlatBURByActualAmount :: [BudgetReportRow] -> [BudgetReportRow]
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sortFlatBURByActualAmount = case normalbalance_ ropts of
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Just NormallyNegative -> sortOn (fst . prrTotal)
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_ -> sortOn (Down . fst . prrTotal)
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-- Sort the report rows by account declaration order then account name.
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-- <unbudgeted> remains at the top.
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sortByAccountDeclaration rows = sortedrows
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where
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(unbudgetedrow,rows') = partition ((=="<unbudgeted>") . prrName) rows
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anamesandrows = [(prrName r, r) | r <- rows']
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anames = map fst anamesandrows
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sortedanames = sortAccountNamesByDeclaration j (tree_ ropts) anames
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sortedrows = unbudgetedrow ++ sortAccountItemsLike sortedanames anamesandrows
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-- | Use all periodic transactions in the journal to generate
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-- budget transactions in the specified report period.
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-- Budget transactions are similar to forecast transactions except
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-- their purpose is to set goal amounts (of change) per account and period.
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budgetJournal :: Bool -> ReportOpts -> DateSpan -> Journal -> Journal
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budgetJournal assrt _ropts reportspan j =
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either error' id $ journalBalanceTransactions assrt j{ jtxns = budgetts }
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where
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budgetspan = dbg2 "budgetspan" $ reportspan
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budgetts =
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dbg1 "budgetts" $
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[makeBudgetTxn t
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| pt <- jperiodictxns j
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, t <- runPeriodicTransaction pt budgetspan
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]
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makeBudgetTxn t = txnTieKnot $ t { tdescription = T.pack "Budget transaction" }
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-- | Adjust a journal's account names for budget reporting, in two ways:
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--
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-- 1. accounts with no budget goal anywhere in their ancestry are moved
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-- under the "unbudgeted" top level account.
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--
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-- 2. subaccounts with no budget goal are merged with their closest parent account
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-- with a budget goal, so that only budgeted accounts are shown.
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-- This can be disabled by --empty.
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--
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budgetRollUp :: [AccountName] -> Bool -> Journal -> Journal
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budgetRollUp budgetedaccts showunbudgeted j = j { jtxns = remapTxn <$> jtxns j }
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where
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remapTxn = mapPostings (map remapPosting)
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where
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mapPostings f t = txnTieKnot $ t { tpostings = f $ tpostings t }
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remapPosting p = p { paccount = remapAccount $ paccount p, poriginal = Just . fromMaybe p $ poriginal p }
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where
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remapAccount a
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| hasbudget = a
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| hasbudgetedparent = if showunbudgeted then a else budgetedparent
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| otherwise = if showunbudgeted then u <> acctsep <> a else u
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where
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hasbudget = a `elem` budgetedaccts
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hasbudgetedparent = not $ T.null budgetedparent
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budgetedparent = headDef "" $ filter (`elem` budgetedaccts) $ parentAccountNames a
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u = unbudgetedAccountName
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-- | Combine a per-account-and-subperiod report of budget goals, and one
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-- of actual change amounts, into a budget performance report.
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-- The two reports should have the same report interval, but need not
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-- have exactly the same account rows or date columns.
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-- (Cells in the combined budget report can be missing a budget goal,
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-- an actual amount, or both.) The combined report will include:
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--
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-- - consecutive subperiods at the same interval as the two reports,
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-- spanning the period of both reports
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--
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-- - all accounts mentioned in either report, sorted by account code or
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-- account name or amount as appropriate.
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--
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combineBudgetAndActual :: MultiBalanceReport -> MultiBalanceReport -> BudgetReport
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combineBudgetAndActual
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(PeriodicReport budgetperiods budgetrows (PeriodicReportRow _ _ budgettots budgetgrandtot budgetgrandavg))
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(PeriodicReport actualperiods actualrows (PeriodicReportRow _ _ actualtots actualgrandtot actualgrandavg)) =
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PeriodicReport periods rows totalrow
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where
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periods = nubSort . filter (/= nulldatespan) $ budgetperiods ++ actualperiods
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-- first, combine any corresponding budget goals with actual changes
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rows1 =
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[ PeriodicReportRow acct treeindent amtandgoals totamtandgoal avgamtandgoal
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| PeriodicReportRow acct treeindent actualamts actualtot actualavg <- actualrows
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, let mbudgetgoals = Map.lookup acct budgetGoalsByAcct :: Maybe ([BudgetGoal], BudgetTotal, BudgetAverage)
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, let budgetmamts = maybe (replicate (length periods) Nothing) (map Just . first3) mbudgetgoals :: [Maybe BudgetGoal]
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, let mbudgettot = second3 <$> mbudgetgoals :: Maybe BudgetTotal
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, let mbudgetavg = third3 <$> mbudgetgoals :: Maybe BudgetAverage
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, let acctBudgetByPeriod = Map.fromList [ (p,budgetamt) | (p, Just budgetamt) <- zip budgetperiods budgetmamts ] :: Map DateSpan BudgetGoal
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, let acctActualByPeriod = Map.fromList [ (p,actualamt) | (p, Just actualamt) <- zip actualperiods (map Just actualamts) ] :: Map DateSpan Change
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, let amtandgoals = [ (Map.lookup p acctActualByPeriod, Map.lookup p acctBudgetByPeriod) | p <- periods ] :: [BudgetCell]
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, let totamtandgoal = (Just actualtot, mbudgettot)
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, let avgamtandgoal = (Just actualavg, mbudgetavg)
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]
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where
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budgetGoalsByAcct :: Map AccountName ([BudgetGoal], BudgetTotal, BudgetAverage) =
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Map.fromList [ (acct, (amts, tot, avg))
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| PeriodicReportRow acct _ amts tot avg <- budgetrows ]
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-- next, make rows for budget goals with no actual changes
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rows2 =
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[ PeriodicReportRow acct treeindent amtandgoals totamtandgoal avgamtandgoal
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| PeriodicReportRow acct treeindent budgetgoals budgettot budgetavg <- budgetrows
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, acct `notElem` map prrName rows1
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, let acctBudgetByPeriod = Map.fromList $ zip budgetperiods budgetgoals :: Map DateSpan BudgetGoal
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, let amtandgoals = [ (Nothing, Map.lookup p acctBudgetByPeriod) | p <- periods ] :: [BudgetCell]
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, let totamtandgoal = (Nothing, Just budgettot)
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, let avgamtandgoal = (Nothing, Just budgetavg)
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]
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-- combine and re-sort rows
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-- TODO: use MBR code
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-- TODO: respect --sort-amount
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-- TODO: add --sort-budget to sort by budget goal amount
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rows :: [BudgetReportRow] =
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sortOn prrName $ rows1 ++ rows2
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-- TODO: grand total & average shows 0% when there are no actual amounts, inconsistent with other cells
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totalrow = PeriodicReportRow () 0
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[ (Map.lookup p totActualByPeriod, Map.lookup p totBudgetByPeriod) | p <- periods ]
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( Just actualgrandtot, Just budgetgrandtot )
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( Just actualgrandavg, Just budgetgrandavg )
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where
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totBudgetByPeriod = Map.fromList $ zip budgetperiods budgettots :: Map DateSpan BudgetTotal
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totActualByPeriod = Map.fromList $ zip actualperiods actualtots :: Map DateSpan Change
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-- | Render a budget report as plain text suitable for console output.
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budgetReportAsText :: ReportOpts -> BudgetReport -> String
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budgetReportAsText ropts@ReportOpts{..} budgetr =
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title ++ "\n\n" ++
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tableAsText ropts showcell (maybetranspose $ budgetReportAsTable ropts budgetr)
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where
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multiperiod = interval_ /= NoInterval
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title = printf "Budget performance in %s%s:"
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(showDateSpan $ periodicReportSpan budgetr)
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(case value_ of
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Just (AtCost _mc) -> ", valued at cost"
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Just (AtThen _mc) -> error' unsupportedValueThenError -- TODO
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Just (AtEnd _mc) -> ", valued at period ends"
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Just (AtNow _mc) -> ", current value"
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-- XXX duplicates the above
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Just (AtDefault _mc) | multiperiod -> ", valued at period ends"
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Just (AtDefault _mc) -> ", current value"
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Just (AtDate d _mc) -> ", valued at "++showDate d
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Nothing -> "")
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actualwidth = maximum' $ map fst amountsAndGoals
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budgetwidth = maximum' $ map snd amountsAndGoals
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amountsAndGoals = map (\(a,g) -> (amountLength a, amountLength g))
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. concatMap prrAmounts $ prRows budgetr
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where amountLength = maybe 0 (length . showMixedAmountOneLineWithoutPrice)
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-- XXX lay out actual, percentage and/or goal in the single table cell for now, should probably use separate cells
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showcell :: BudgetCell -> String
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showcell (mactual, mbudget) = actualstr ++ " " ++ budgetstr
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where
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percentwidth = 4
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actual = fromMaybe 0 mactual
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actualstr = printf ("%"++show actualwidth++"s") (showamt actual)
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budgetstr = case mbudget of
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Nothing -> replicate (percentwidth + 7 + budgetwidth) ' '
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Just budget ->
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case percentage actual budget of
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Just pct ->
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printf ("[%"++show percentwidth++"s%% of %"++show budgetwidth++"s]")
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(show $ roundTo 0 pct) (showbudgetamt budget)
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Nothing ->
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printf ("["++replicate (percentwidth+5) ' '++"%"++show budgetwidth++"s]")
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(showbudgetamt budget)
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-- | Calculate the percentage of actual change to budget goal to show, if any.
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-- If valuing at cost, both amounts are converted to cost before comparing.
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-- A percentage will not be shown if:
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-- - actual or goal are not the same, single, commodity
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-- - the goal is zero
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percentage :: Change -> BudgetGoal -> Maybe Percentage
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percentage actual budget =
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case (maybecost $ normaliseMixedAmount actual, maybecost $ normaliseMixedAmount budget) of
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(Mixed [a], Mixed [b]) | (acommodity a == acommodity b || amountLooksZero a) && not (amountLooksZero b)
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-> Just $ 100 * aquantity a / aquantity b
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_ -> -- trace (pshow $ (maybecost actual, maybecost budget)) -- debug missing percentage
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Nothing
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where
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maybecost = if valuationTypeIsCost ropts then costOfMixedAmount else id
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showamt :: MixedAmount -> String
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showamt | color_ = cshowMixedAmountOneLineWithoutPrice
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| otherwise = showMixedAmountOneLineWithoutPrice
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-- don't show the budget amount in color, it messes up alignment
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showbudgetamt = showMixedAmountOneLineWithoutPrice
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maybetranspose | transpose_ = \(Table rh ch vals) -> Table ch rh (transpose vals)
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| otherwise = id
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-- | Build a 'Table' from a multi-column balance report.
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budgetReportAsTable :: ReportOpts -> BudgetReport -> Table String String (Maybe MixedAmount, Maybe MixedAmount)
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budgetReportAsTable
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ropts
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(PeriodicReport periods rows (PeriodicReportRow _ _ coltots grandtot grandavg)) =
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addtotalrow $
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Table
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(T.Group NoLine $ map Header accts)
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(T.Group NoLine $ map Header colheadings)
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(map rowvals rows)
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where
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colheadings = map showDateSpanMonthAbbrev periods
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++ [" Total" | row_total_ ropts]
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++ ["Average" | average_ ropts]
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accts = map renderacct rows
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renderacct (PeriodicReportRow a i _ _ _)
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| tree_ ropts = replicate ((i-1)*2) ' ' ++ T.unpack (accountLeafName a)
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| otherwise = T.unpack $ maybeAccountNameDrop ropts a
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rowvals (PeriodicReportRow _ _ as rowtot rowavg) =
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as ++ [rowtot | row_total_ ropts] ++ [rowavg | average_ ropts]
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addtotalrow
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| no_total_ ropts = id
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| otherwise = (+----+ (row "" $
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coltots ++ [grandtot | row_total_ ropts && not (null coltots)]
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++ [grandavg | average_ ropts && not (null coltots)]
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))
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-- XXX here for now
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-- TODO: does not work for flat-by-default reports with --flat not specified explicitly
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-- | Drop leading components of accounts names as specified by --drop, but only in --flat mode.
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maybeAccountNameDrop :: ReportOpts -> AccountName -> AccountName
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maybeAccountNameDrop opts a | flat_ opts = accountNameDrop (drop_ opts) a
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| otherwise = a
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-- tests
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tests_BudgetReport = tests "BudgetReport" [
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]
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