185 lines
8.1 KiB
Haskell
185 lines
8.1 KiB
Haskell
-- The transaction screen, showing a single transaction's general journal entry.
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{-# LANGUAGE OverloadedStrings, TupleSections, RecordWildCards #-} -- , FlexibleContexts
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module Hledger.UI.TransactionScreen
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(transactionScreen
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,rsSelect
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)
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where
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import Control.Monad
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import Control.Monad.IO.Class (liftIO)
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import Data.List
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import Data.Monoid
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import qualified Data.Text as T
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import Data.Time.Calendar (Day)
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import Graphics.Vty (Event(..),Key(..))
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import Brick
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import Brick.Widgets.List (listMoveTo)
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import Brick.Widgets.Border (borderAttr)
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import Hledger
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import Hledger.Cli hiding (progname,prognameandversion,green)
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import Hledger.UI.UIOptions
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-- import Hledger.UI.Theme
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import Hledger.UI.UITypes
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import Hledger.UI.UIState
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import Hledger.UI.UIUtils
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import Hledger.UI.Editor
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import Hledger.UI.ErrorScreen
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transactionScreen :: Screen
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transactionScreen = TransactionScreen{
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sInit = tsInit
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,sDraw = tsDraw
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,sHandle = tsHandle
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,tsTransaction = (1,nulltransaction)
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,tsTransactions = [(1,nulltransaction)]
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,tsAccount = ""
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}
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tsInit :: Day -> Bool -> UIState -> UIState
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tsInit _d _reset ui@UIState{aopts=UIOpts{cliopts_=CliOpts{reportopts_=_ropts}}
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,ajournal=_j
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,aScreen=TransactionScreen{..}} = ui
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tsInit _ _ _ = error "init function called with wrong screen type, should not happen"
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tsDraw :: UIState -> [Widget Name]
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tsDraw UIState{aopts=UIOpts{cliopts_=copts@CliOpts{reportopts_=ropts}}
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,aScreen=TransactionScreen{
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tsTransaction=(i,t)
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,tsTransactions=nts
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,tsAccount=acct}
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,aMode=mode} =
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case mode of
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Help -> [helpDialog, maincontent]
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-- Minibuffer e -> [minibuffer e, maincontent]
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_ -> [maincontent]
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where
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maincontent = Widget Greedy Greedy $ do
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render $ defaultLayout toplabel bottomlabel $ str $
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showTransactionUnelidedOneLineAmounts $
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-- (if real_ ropts then filterTransactionPostings (Real True) else id) -- filter postings by --real
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t
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where
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toplabel =
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str "Transaction "
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-- <+> withAttr ("border" <> "bold") (str $ "#" ++ show (tindex t))
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-- <+> str (" ("++show i++" of "++show (length nts)++" in "++acct++")")
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<+> (str $ "#" ++ show (tindex t))
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<+> str " ("
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<+> withAttr ("border" <> "bold") (str $ show i)
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<+> str (" of "++show (length nts))
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<+> togglefilters
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<+> borderQueryStr (query_ ropts)
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<+> str (" in "++T.unpack (replaceHiddenAccountsNameWith "All" acct)++")")
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<+> (if ignore_assertions_ copts then withAttr (borderAttr <> "query") (str " ignoring balance assertions") else str "")
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where
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togglefilters =
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case concat [
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uiShowClearedStatus $ clearedstatus_ ropts
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,if real_ ropts then ["real"] else []
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,if empty_ ropts then [] else ["nonzero"]
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] of
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[] -> str ""
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fs -> withAttr (borderAttr <> "query") (str $ " " ++ intercalate ", " fs)
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bottomlabel = case mode of
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-- Minibuffer ed -> minibuffer ed
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_ -> quickhelp
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where
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quickhelp = borderKeysStr [
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("?", "help")
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,("left", "back")
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,("up/down", "prev/next")
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--,("ESC", "cancel/top")
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-- ,("a", "add")
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,("E", "editor")
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,("g", "reload")
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,("q", "quit")
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]
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tsDraw _ = error "draw function called with wrong screen type, should not happen"
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tsHandle :: UIState -> BrickEvent Name AppEvent -> EventM Name (Next UIState)
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tsHandle ui@UIState{aScreen=s@TransactionScreen{tsTransaction=(i,t)
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,tsTransactions=nts
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,tsAccount=acct}
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,aopts=UIOpts{cliopts_=copts@CliOpts{reportopts_=ropts}}
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,ajournal=j
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,aMode=mode
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}
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ev =
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case mode of
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Help ->
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case ev of
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VtyEvent (EvKey (KChar 'q') []) -> halt ui
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_ -> helpHandle ui ev
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_ -> do
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d <- liftIO getCurrentDay
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let
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(iprev,tprev) = maybe (i,t) ((i-1),) $ lookup (i-1) nts
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(inext,tnext) = maybe (i,t) ((i+1),) $ lookup (i+1) nts
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case ev of
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VtyEvent (EvKey (KChar 'q') []) -> halt ui
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VtyEvent (EvKey KEsc []) -> continue $ resetScreens d ui
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VtyEvent (EvKey (KChar c) []) | c `elem` ['?'] -> continue $ setMode Help ui
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VtyEvent (EvKey (KChar 'E') []) -> suspendAndResume $ void (runEditor pos f) >> uiReloadJournalIfChanged copts d j ui
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where
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(pos,f) = case tsourcepos t of
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GenericSourcePos f l c -> (Just (l, Just c),f)
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JournalSourcePos f (l1,_) -> (Just (l1, Nothing),f)
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AppEvent (DateChange old _) | isStandardPeriod p && p `periodContainsDate` old ->
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continue $ regenerateScreens j d $ setReportPeriod (DayPeriod d) ui
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where
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p = reportPeriod ui
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e | e `elem` [VtyEvent (EvKey (KChar 'g') []), AppEvent FileChange] -> do
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d <- liftIO getCurrentDay
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ej <- liftIO $ journalReload copts
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case ej of
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Left err -> continue $ screenEnter d errorScreen{esError=err} ui
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Right j' -> do
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-- got to redo the register screen's transactions report, to get the latest transactions list for this screen
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-- XXX duplicates rsInit
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let
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ropts' = ropts {depth_=Nothing
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,balancetype_=HistoricalBalance
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}
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q = filterQuery (not . queryIsDepth) $ queryFromOpts d ropts'
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thisacctq = Acct $ accountNameToAccountRegex acct -- includes subs
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items = reverse $ snd $ accountTransactionsReport ropts j' q thisacctq
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ts = map first6 items
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numberedts = zip [1..] ts
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-- select the best current transaction from the new list
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-- stay at the same index if possible, or if we are now past the end, select the last, otherwise select the first
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(i',t') = case lookup i numberedts
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of Just t'' -> (i,t'')
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Nothing | null numberedts -> (0,nulltransaction)
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| i > fst (last numberedts) -> last numberedts
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| otherwise -> head numberedts
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ui' = ui{aScreen=s{tsTransaction=(i',t')
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,tsTransactions=numberedts
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,tsAccount=acct}}
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continue $ regenerateScreens j' d ui'
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VtyEvent (EvKey (KChar 'I') []) -> continue $ uiCheckBalanceAssertions d (toggleIgnoreBalanceAssertions ui)
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-- if allowing toggling here, we should refresh the txn list from the parent register screen
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-- EvKey (KChar 'E') [] -> continue $ regenerateScreens j d $ stToggleEmpty ui
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-- EvKey (KChar 'C') [] -> continue $ regenerateScreens j d $ stToggleCleared ui
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-- EvKey (KChar 'R') [] -> continue $ regenerateScreens j d $ stToggleReal ui
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VtyEvent (EvKey k []) | k `elem` [KUp, KChar 'k'] -> continue $ regenerateScreens j d ui{aScreen=s{tsTransaction=(iprev,tprev)}}
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VtyEvent (EvKey k []) | k `elem` [KDown, KChar 'j'] -> continue $ regenerateScreens j d ui{aScreen=s{tsTransaction=(inext,tnext)}}
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VtyEvent (EvKey k []) | k `elem` [KLeft, KChar 'h'] -> continue ui''
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where
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ui'@UIState{aScreen=scr} = popScreen ui
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ui'' = ui'{aScreen=rsSelect (fromIntegral i) scr}
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_ -> continue ui
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tsHandle _ _ = error "event handler called with wrong screen type, should not happen"
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-- | Select the nth item on the register screen.
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rsSelect i scr@RegisterScreen{..} = scr{rsList=l'}
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where l' = listMoveTo (i-1) rsList
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rsSelect _ scr = scr
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