115 lines
4.4 KiB
Haskell
115 lines
4.4 KiB
Haskell
-- | /register handlers.
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{-# LANGUAGE NamedFieldPuns #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE QuasiQuotes #-}
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{-# LANGUAGE ScopedTypeVariables #-}
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{-# LANGUAGE TemplateHaskell #-}
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module Hledger.Web.Handler.RegisterR where
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import Data.List (intersperse, nub, partition)
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import qualified Data.Text as T
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import Text.Hamlet (hamletFile)
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import Hledger
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import Hledger.Cli.CliOptions
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import Hledger.Web.Import
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import Hledger.Web.WebOptions
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import Hledger.Web.Widget.AddForm (addModal)
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import Hledger.Web.Widget.Common (accountQuery, mixedAmountAsHtml)
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-- | The main journal/account register view, with accounts sidebar.
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getRegisterR :: Handler Html
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getRegisterR = do
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checkServerSideUiEnabled
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VD{caps, j, m, opts, qopts, today} <- getViewData
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when (CapView `notElem` caps) (permissionDenied "Missing the 'view' capability")
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let (a,inclsubs) = fromMaybe ("all accounts",True) $ inAccount qopts
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s1 = if inclsubs then "" else " (excluding subaccounts)"
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s2 = if m /= Any then ", filtered" else ""
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header = a <> s1 <> s2
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let ropts = reportopts_ (cliopts_ opts)
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acctQuery = fromMaybe Any (inAccountQuery qopts)
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acctlink acc = (RegisterR, [("q", accountQuery acc)])
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otherTransAccounts =
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map (\(acct,(name,comma)) -> (acct, (T.pack name, T.pack comma))) .
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undecorateLinks . elideRightDecorated 40 . decorateLinks .
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addCommas . preferReal . otherTransactionAccounts m acctQuery
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addCommas xs =
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zip xs $
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zip (map (T.unpack . accountSummarisedName . paccount) xs) $
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tail $ (", "<$xs) ++ [""]
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r@(balancelabel,items) = accountTransactionsReport ropts j m acctQuery
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balancelabel' = if isJust (inAccount qopts) then balancelabel else "Total"
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defaultLayout $ do
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setTitle "register - hledger-web"
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$(widgetFile "register")
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-- cf. Hledger.Reports.AccountTransactionsReport.accountTransactionsReportItems
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otherTransactionAccounts :: Query -> Query -> Transaction -> [Posting]
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otherTransactionAccounts reportq thisacctq torig
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-- no current account ? summarise all matched postings
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| thisacctq == None = reportps
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-- only postings to current account ? summarise those
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| null otheraccts = thisacctps
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-- summarise matched postings to other account(s)
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| otherwise = otheracctps
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where
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reportps = tpostings $ filterTransactionPostings reportq torig
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(thisacctps, otheracctps) = partition (matchesPosting thisacctq) reportps
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otheraccts = nub $ map paccount otheracctps
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-- cf. Hledger.Reports.AccountTransactionsReport.summarisePostingAccounts
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preferReal :: [Posting] -> [Posting]
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preferReal ps
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| null realps = ps
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| otherwise = realps
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where realps = filter isReal ps
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elideRightDecorated :: Int -> [(Maybe d, Char)] -> [(Maybe d, Char)]
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elideRightDecorated width s =
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if length s > width
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then take (width - 2) s ++ map ((,) Nothing) ".."
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else s
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undecorateLinks :: [(Maybe acct, char)] -> [(acct, ([char], [char]))]
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undecorateLinks [] = []
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undecorateLinks xs0@(x:_) =
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case x of
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(Just acct, _) ->
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let (link, xs1) = span (isJust . fst) xs0
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(comma, xs2) = span (isNothing . fst) xs1
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in (acct, (map snd link, map snd comma)) : undecorateLinks xs2
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_ -> error "link name not decorated with account"
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decorateLinks :: [(acct, ([char], [char]))] -> [(Maybe acct, char)]
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decorateLinks =
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concatMap
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(\(acct, (name, comma)) ->
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map ((,) (Just acct)) name ++ map ((,) Nothing) comma)
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-- | Generate javascript/html for a register balance line chart based on
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-- the provided "TransactionsReportItem"s.
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registerChartHtml :: [(CommoditySymbol, (String, [TransactionsReportItem]))] -> HtmlUrl AppRoute
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registerChartHtml percommoditytxnreports = $(hamletFile "templates/chart.hamlet")
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-- have to make sure plot is not called when our container (maincontent)
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-- is hidden, eg with add form toggled
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where
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charttitle = case maybe "" (fst . snd) $ listToMaybe percommoditytxnreports of
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"" -> ""
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s -> s <> ":"
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colorForCommodity = fromMaybe 0 . flip lookup commoditiesIndex
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commoditiesIndex = zip (map fst percommoditytxnreports) [0..] :: [(CommoditySymbol,Int)]
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simpleMixedAmountQuantity = maybe 0 aquantity . listToMaybe . amounts
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shownull c = if null c then " " else c
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dayToJsTimestamp :: Day -> Integer
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dayToJsTimestamp d =
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read (formatTime defaultTimeLocale "%s" t) * 1000 -- XXX read
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where
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t = UTCTime d (secondsToDiffTime 0)
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