102 lines
3.7 KiB
Haskell
102 lines
3.7 KiB
Haskell
{-# LANGUAGE CPP, OverloadedStrings #-}
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{-|
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hledger-web - a hledger add-on providing a web interface.
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Copyright (c) 2007-2012 Simon Michael <simon@joyful.com>
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Released under GPL version 3 or later.
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-}
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module Hledger.Web.Main
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where
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-- yesod scaffold imports
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import Yesod.Default.Config --(fromArgs)
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-- import Yesod.Default.Main (defaultMain)
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import Settings -- (parseExtra)
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import Application (makeApplication)
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import Data.String
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import Network.Wai.Handler.Warp (runSettings, defaultSettings, setHost, setPort)
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import Network.Wai.Handler.Launch (runHostPortUrl)
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--
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import Control.Monad
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import Data.Text (pack)
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import System.Exit (exitSuccess)
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import System.IO (hFlush, stdout)
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import Text.Printf
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import Prelude hiding (putStrLn)
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import Hledger
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import Hledger.Utils.UTF8IOCompat (putStrLn)
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import Hledger.Cli hiding (progname,prognameandversion)
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import Hledger.Web.WebOptions
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hledgerWebMain :: IO ()
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hledgerWebMain = do
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opts <- getHledgerWebOpts
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when (debug_ (cliopts_ opts) > 0) $ printf "%s\n" prognameandversion >> printf "opts: %s\n" (show opts)
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runWith opts
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runWith :: WebOpts -> IO ()
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runWith opts
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| "help" `inRawOpts` (rawopts_ $ cliopts_ opts) = putStr (showModeUsage webmode) >> exitSuccess
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| "version" `inRawOpts` (rawopts_ $ cliopts_ opts) = putStrLn prognameandversion >> exitSuccess
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| "binary-filename" `inRawOpts` (rawopts_ $ cliopts_ opts) = putStrLn (binaryfilename progname)
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| otherwise = do
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requireJournalFileExists =<< (head `fmap` journalFilePathFromOpts (cliopts_ opts)) -- XXX head should be safe for now
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withJournalDoWeb opts web
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-- | A version of withJournalDo specialised for hledger-web.
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-- Disallows the special - file to avoid some bug,
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-- takes WebOpts rather than CliOpts.
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withJournalDoWeb :: WebOpts -> (WebOpts -> Journal -> IO ()) -> IO ()
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withJournalDoWeb opts@WebOpts {cliopts_ = copts} cmd = do
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journalpaths <- journalFilePathFromOpts copts
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-- https://github.com/simonmichael/hledger/issues/202
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-- -f- gives [Error#yesod-core] <stdin>: hGetContents: illegal operation (handle is closed)
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-- Also we may try to write to this file. Just disallow -.
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when (head journalpaths == "-") $ -- always non-empty
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error' "hledger-web doesn't support -f -, please specify a file path"
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-- keep synced with withJournalDo TODO refactor
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readJournalFiles (inputopts_ copts) journalpaths
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>>= mapM (journalTransform copts)
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>>= either error' (cmd opts)
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-- | The web command.
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web :: WebOpts -> Journal -> IO ()
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web opts j = do
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d <- getCurrentDay
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let initq = queryFromOpts d $ reportopts_ $ cliopts_ opts
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j' = filterJournalTransactions initq j
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h = host_ opts
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p = port_ opts
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u = base_url_ opts
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staticRoot = pack <$> file_url_ opts
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appconfig = AppConfig{appEnv = Development
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,appHost = fromString h
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,appPort = p
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,appRoot = pack u
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,appExtra = Extra "" Nothing staticRoot
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}
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app <- makeApplication opts j' appconfig
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-- XXX would like to allow a host name not just an IP address here
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_ <- printf "Starting web app on IP address %s port %d with base url %s\n" h p u
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if serve_ opts
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then do
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putStrLn "Press ctrl-c to quit"
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hFlush stdout
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let warpsettings =
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setHost (fromString h) $
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setPort p $
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defaultSettings
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Network.Wai.Handler.Warp.runSettings warpsettings app
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else do
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putStrLn "Starting web browser..."
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putStrLn "Web app will auto-exit after a few minutes with no browsers (or press ctrl-c)"
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hFlush stdout
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Network.Wai.Handler.Launch.runHostPortUrl h p "" app
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