325 lines
14 KiB
Haskell
325 lines
14 KiB
Haskell
{-# LANGUAGE LambdaCase #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE RecordWildCards #-}
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{-|
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Common helpers for making multi-section balance report commands
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like balancesheet, cashflow, and incomestatement.
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-}
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module Hledger.Cli.CompoundBalanceCommand (
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CompoundBalanceCommandSpec(..)
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,compoundBalanceCommandMode
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,compoundBalanceCommand
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) where
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import Data.List (foldl')
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import Data.Maybe (fromMaybe, mapMaybe)
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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 Data.Time.Calendar (Day, addDays)
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import System.Console.CmdArgs.Explicit as C
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import Hledger.Read.CsvReader (CSV, printCSV)
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import Lucid as L hiding (value_)
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import Text.Tabular as Tab
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import Hledger
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import Hledger.Cli.Commands.Balance
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import Hledger.Cli.CliOptions
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import Hledger.Cli.Utils (unsupportedOutputFormatError, writeOutputLazyText)
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-- | Description of a compound balance report command,
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-- from which we generate the command's cmdargs mode and IO action.
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-- A compound balance report command shows one or more sections/subreports,
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-- each with its own title and subtotals row, in a certain order,
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-- plus a grand totals row if there's more than one section.
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-- Examples are the balancesheet, cashflow and incomestatement commands.
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--
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-- Compound balance reports do sign normalisation: they show all account balances
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-- as normally positive, unlike the ordinary BalanceReport and most hledger commands
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-- which show income/liability/equity balances as normally negative.
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-- Each subreport specifies the normal sign of its amounts, and whether
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-- it should be added to or subtracted from the grand total.
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--
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data CompoundBalanceCommandSpec = CompoundBalanceCommandSpec {
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cbcdoc :: CommandDoc, -- ^ the command's name(s) and documentation
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cbctitle :: String, -- ^ overall report title
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cbcqueries :: [CBCSubreportSpec DisplayName], -- ^ subreport details
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cbctype :: BalanceType -- ^ the "balance" type (change, cumulative, historical)
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-- this report shows (overrides command line flags)
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}
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-- | Generate a cmdargs option-parsing mode from a compound balance command
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-- specification.
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compoundBalanceCommandMode :: CompoundBalanceCommandSpec -> Mode RawOpts
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compoundBalanceCommandMode CompoundBalanceCommandSpec{..} =
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hledgerCommandMode
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cbcdoc
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([flagNone ["change"] (setboolopt "change")
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("show balance change in each period" ++ defType PeriodChange)
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,flagNone ["cumulative"] (setboolopt "cumulative")
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("show balance change accumulated across periods (in multicolumn reports)"
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++ defType CumulativeChange
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)
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,flagNone ["historical","H"] (setboolopt "historical")
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("show historical ending balance in each period (includes postings before report start date)"
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++ defType HistoricalBalance
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)
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]
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++ flattreeflags True ++
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[flagReq ["drop"] (\s opts -> Right $ setopt "drop" s opts) "N" "flat mode: omit N leading account name parts"
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,flagNone ["average","A"] (setboolopt "average") "show a row average column (in multicolumn reports)"
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,flagNone ["row-total","T"] (setboolopt "row-total") "show a row total column (in multicolumn reports)"
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,flagNone ["no-total","N"] (setboolopt "no-total") "omit the final total row"
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,flagNone ["no-elide"] (setboolopt "no-elide") "don't squash boring parent accounts (in tree mode); don't show only 2 commodities per amount"
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,flagReq ["format"] (\s opts -> Right $ setopt "format" s opts) "FORMATSTR" "use this custom line format (in simple reports)"
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,flagNone ["pretty-tables"] (setboolopt "pretty-tables") "use unicode when displaying tables"
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,flagNone ["sort-amount","S"] (setboolopt "sort-amount") "sort by amount instead of account code/name"
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,flagNone ["percent", "%"] (setboolopt "percent") "express values in percentage of each column's total"
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,outputFormatFlag ["txt","html","csv","json"]
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,outputFileFlag
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])
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[generalflagsgroup1]
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hiddenflags
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([], Just $ argsFlag "[QUERY]")
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where
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defType :: BalanceType -> String
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defType bt | bt == cbctype = " (default)"
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| otherwise = ""
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-- | Generate a runnable command from a compound balance command specification.
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compoundBalanceCommand :: CompoundBalanceCommandSpec -> (CliOpts -> Journal -> IO ())
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compoundBalanceCommand CompoundBalanceCommandSpec{..} opts@CliOpts{reportspec_=rspec, rawopts_=rawopts} j = do
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writeOutputLazyText opts $ render cbr
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where
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ropts@ReportOpts{..} = rsOpts rspec
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-- use the default balance type for this report, unless the user overrides
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mBalanceTypeOverride =
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choiceopt parse rawopts where
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parse = \case
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"historical" -> Just HistoricalBalance
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"cumulative" -> Just CumulativeChange
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"change" -> Just PeriodChange
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_ -> Nothing
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balancetype = fromMaybe cbctype mBalanceTypeOverride
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-- Set balance type in the report options.
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ropts' = ropts{balancetype_=balancetype}
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title =
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T.pack cbctitle
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<> " "
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<> titledatestr
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<> maybe "" (" "<>) mtitleclarification
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<> valuationdesc
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where
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-- XXX #1078 the title of ending balance reports
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-- (HistoricalBalance) should mention the end date(s) shown as
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-- column heading(s) (not the date span of the transactions).
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-- Also the dates should not be simplified (it should show
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-- "2008/01/01-2008/12/31", not "2008").
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titledatestr = case balancetype of
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HistoricalBalance -> showEndDates enddates
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_ -> showDateSpan requestedspan
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where
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enddates = map (addDays (-1)) . mapMaybe spanEnd $ cbrDates cbr -- these spans will always have a definite end date
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requestedspan = queryDateSpan date2_ (rsQuery rspec)
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`spanDefaultsFrom` journalDateSpan date2_ j
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-- when user overrides, add an indication to the report title
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mtitleclarification = flip fmap mBalanceTypeOverride $ \case
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PeriodChange | changingValuation -> "(Period-End Value Changes)"
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PeriodChange -> "(Balance Changes)"
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CumulativeChange -> "(Cumulative Ending Balances)"
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HistoricalBalance -> "(Historical Ending Balances)"
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valuationdesc = 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) | changingValuation -> ""
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Just (AtEnd _mc) -> ", valued at period ends"
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Just (AtNow _mc) -> ", current value"
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Just (AtDate today _mc) -> ", valued at " <> showDate today
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Nothing -> ""
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changingValuation = case (balancetype_, value_) of
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(PeriodChange, Just (AtEnd _)) -> interval_ /= NoInterval
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_ -> False
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-- make a CompoundBalanceReport.
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cbr' = compoundBalanceReport rspec{rsOpts=ropts'} j cbcqueries
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cbr = cbr'{cbrTitle=T.unpack title}
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-- render appropriately
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render = case outputFormatFromOpts opts of
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"txt" -> TL.pack . compoundBalanceReportAsText ropts'
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"csv" -> TL.pack . printCSV . compoundBalanceReportAsCsv ropts'
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"html" -> L.renderText . compoundBalanceReportAsHtml ropts'
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"json" -> toJsonText
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x -> error' $ unsupportedOutputFormatError x
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-- | Summarise one or more (inclusive) end dates, in a way that's
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-- visually different from showDateSpan, suggesting discrete end dates
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-- rather than a continuous span.
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showEndDates :: [Day] -> T.Text
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showEndDates es = case es of
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-- cf showPeriod
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(e:_:_) -> showDate e <> ".." <> showDate (last es)
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[e] -> showDate e
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[] -> ""
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-- | Render a compound balance report as plain text suitable for console output.
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{- Eg:
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Balance Sheet
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|| 2017/12/31 Total Average
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=============++===============================
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Assets ||
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-------------++-------------------------------
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assets:b || 1 1 1
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-------------++-------------------------------
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|| 1 1 1
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=============++===============================
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Liabilities ||
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-------------++-------------------------------
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-------------++-------------------------------
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||
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=============++===============================
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Total || 1 1 1
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-}
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compoundBalanceReportAsText :: ReportOpts -> CompoundPeriodicReport DisplayName MixedAmount -> String
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compoundBalanceReportAsText ropts
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(CompoundPeriodicReport title _colspans subreports (PeriodicReportRow _ coltotals grandtotal grandavg)) =
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title ++ "\n\n" ++
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balanceReportTableAsText ropts bigtable'
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where
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bigtable =
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case map (subreportAsTable ropts) subreports of
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[] -> Tab.empty
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r:rs -> foldl' concatTables r rs
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bigtable'
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| no_total_ ropts || length subreports == 1 =
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bigtable
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| otherwise =
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bigtable
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+====+
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row "Net:" (
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coltotals
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++ (if row_total_ ropts then [grandtotal] else [])
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++ (if average_ ropts then [grandavg] else [])
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)
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-- | Convert a named multi balance report to a table suitable for
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-- concatenating with others to make a compound balance report table.
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subreportAsTable ropts (title, r, _) = t
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where
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-- convert to table
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Table lefthdrs tophdrs cells = balanceReportAsTable ropts r
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-- tweak the layout
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t = Table (Tab.Group SingleLine [Header title, lefthdrs]) tophdrs ([]:cells)
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-- | Add the second table below the first, discarding its column headings.
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concatTables (Table hLeft hTop dat) (Table hLeft' _ dat') =
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Table (Tab.Group DoubleLine [hLeft, hLeft']) hTop (dat ++ dat')
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-- | Render a compound balance report as CSV.
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-- Subreports' CSV is concatenated, with the headings rows replaced by a
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-- subreport title row, and an overall title row, one headings row, and an
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-- optional overall totals row is added.
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compoundBalanceReportAsCsv :: ReportOpts -> CompoundPeriodicReport DisplayName MixedAmount -> CSV
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compoundBalanceReportAsCsv ropts (CompoundPeriodicReport title colspans subreports (PeriodicReportRow _ coltotals grandtotal grandavg)) =
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addtotals $
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padRow title :
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map T.unpack ("Account" :
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map showDateSpanMonthAbbrev colspans
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++ (if row_total_ ropts then ["Total"] else [])
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++ (if average_ ropts then ["Average"] else [])
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) :
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concatMap (subreportAsCsv ropts) subreports
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where
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-- | Add a subreport title row and drop the heading row.
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subreportAsCsv ropts (subreporttitle, multibalreport, _) =
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padRow subreporttitle :
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tail (multiBalanceReportAsCsv ropts multibalreport)
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padRow s = take numcols $ s : repeat ""
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where
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numcols
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| null subreports = 1
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| otherwise =
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(1 +) $ -- account name column
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(if row_total_ ropts then (1+) else id) $
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(if average_ ropts then (1+) else id) $
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maximum $ -- depends on non-null subreports
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map (length . prDates . second3) subreports
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addtotals
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| no_total_ ropts || length subreports == 1 = id
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| otherwise = (++
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["Net:" :
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map (showMixedAmountOneLineWithoutPrice False) (
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coltotals
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++ (if row_total_ ropts then [grandtotal] else [])
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++ (if average_ ropts then [grandavg] else [])
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)
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])
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-- | Render a compound balance report as HTML.
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compoundBalanceReportAsHtml :: ReportOpts -> CompoundPeriodicReport DisplayName MixedAmount -> Html ()
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compoundBalanceReportAsHtml ropts cbr =
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let
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CompoundPeriodicReport title colspans subreports (PeriodicReportRow _ coltotals grandtotal grandavg) = cbr
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colspanattr = colspan_ $ T.pack $ show $
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1 + length colspans + (if row_total_ ropts then 1 else 0) + (if average_ ropts then 1 else 0)
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leftattr = style_ "text-align:left"
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blankrow = tr_ $ td_ [colspanattr] $ toHtmlRaw (" "::String)
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titlerows =
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[tr_ $ th_ [colspanattr, leftattr] $ h2_ $ toHtml title]
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++ [thRow $
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"" :
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map showDateSpanMonthAbbrev colspans
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++ (if row_total_ ropts then ["Total"] else [])
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++ (if average_ ropts then ["Average"] else [])
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]
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thRow :: [T.Text] -> Html ()
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thRow = tr_ . mconcat . map (th_ . toHtml)
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-- Make rows for a subreport: its title row, not the headings row,
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-- the data rows, any totals row, and a blank row for whitespace.
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subreportrows :: (String, MultiBalanceReport, Bool) -> [Html ()]
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subreportrows (subreporttitle, mbr, _increasestotal) =
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let
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(_,bodyrows,mtotalsrow) = multiBalanceReportHtmlRows ropts mbr
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in
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[tr_ $ th_ [colspanattr, leftattr] $ toHtml subreporttitle]
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++ bodyrows
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++ maybe [] (:[]) mtotalsrow
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++ [blankrow]
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totalrows | no_total_ ropts || length subreports == 1 = []
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| otherwise =
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let defstyle = style_ "text-align:right"
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in
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[tr_ $ mconcat $
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th_ [class_ "", style_ "text-align:left"] "Net:"
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: [th_ [class_ "amount coltotal", defstyle] (toHtml $ showMixedAmountOneLineWithoutPrice False a) | a <- coltotals]
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++ (if row_total_ ropts then [th_ [class_ "amount coltotal", defstyle] $ toHtml $ showMixedAmountOneLineWithoutPrice False grandtotal] else [])
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++ (if average_ ropts then [th_ [class_ "amount colaverage", defstyle] $ toHtml $ showMixedAmountOneLineWithoutPrice False grandavg] else [])
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]
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in do
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style_ (T.unlines [""
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,"td { padding:0 0.5em; }"
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,"td:nth-child(1) { white-space:nowrap; }"
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,"tr:nth-child(even) td { background-color:#eee; }"
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])
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link_ [rel_ "stylesheet", href_ "hledger.css"]
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table_ $ mconcat $
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titlerows
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++ [blankrow]
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++ concatMap subreportrows subreports
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++ totalrows
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