hledger/hledger-web/hledger-web.hs
2011-06-06 19:04:21 +00:00

108 lines
3.2 KiB
Haskell

{-# LANGUAGE CPP #-}
{-|
hledger-web - a hledger add-on providing a web interface.
Copyright (c) 2007-2011 Simon Michael <simon@joyful.com>
Released under GPL version 3 or later.
-}
module Main
where
-- import Control.Concurrent (forkIO, threadDelay)
import Data.Maybe
import Data.Text(pack)
import Network.Wai.Handler.Warp (run)
#if PRODUCTION
#else
import Network.Wai.Middleware.Debug (debug)
#endif
import System.Console.GetOpt
import System.Exit (exitFailure)
import System.IO.Storage (withStore, putValue)
import Text.Printf
import Yesod.Helpers.Static
import Hledger.Cli
import Hledger.Data
import Prelude hiding (putStr, putStrLn)
import Hledger.Utils.UTF8 (putStr, putStrLn)
import App
import AppRun (withApp)
import EmbeddedFiles (createFilesIfMissing)
progname_web = progname_cli ++ "-web"
options_web :: [OptDescr Opt]
options_web = [
Option "" ["base-url"] (ReqArg BaseUrl "URL") "use this base url (default http://localhost:PORT)"
,Option "" ["port"] (ReqArg Port "N") "serve on tcp port N (default 5000)"
]
usage_preamble_web =
"Usage: hledger-web [OPTIONS] [PATTERNS]\n" ++
"\n" ++
"Reads your ~/.journal file, or another specified by $LEDGER or -f, and\n" ++
"starts a web ui server. Also attempts to start a web browser (unless --debug).\n" ++
"\n"
usage_options_web = usageInfo "hledger-web options:" options_web ++ "\n"
usage_web = concat [
usage_preamble_web
,usage_options_web
,usage_options_cli
,usage_postscript_cli
]
main :: IO ()
main = do
(opts, args) <- parseArgumentsWith $ options_cli++options_web
run opts args
where
run opts args
| Help `elem` opts = putStr usage_web
| Version `elem` opts = putStrLn $ progversionstr progname_web
| BinaryFilename `elem` opts = putStrLn $ binaryfilename progname_web
| otherwise = withJournalDo opts args "web" web
-- | The web command.
web :: [Opt] -> [String] -> Journal -> IO ()
web opts args j = do
created <- createFilesIfMissing
if created
then do
putStrLn $ "Installing support files in "++datadir++" - done, please run again."
exitFailure
else do
putStrLn $ "Using support files in "++datadir
let host = defhost
port = fromMaybe defport $ portFromOpts opts
baseurl = fromMaybe (printf "http://%s:%d" host port) $ baseUrlFromOpts opts
-- unless (Debug `elem` opts) $ forkIO (browser baseurl) >> return ()
server baseurl port opts args j
-- browser :: String -> IO ()
-- browser baseurl = do
-- threadDelay $ fromIntegral browserstartdelay
-- putStrLn "Attempting to start a web browser"
-- openBrowserOn baseurl >> return ()
server :: String -> Int -> [Opt] -> [String] -> Journal -> IO ()
server baseurl port opts args j = do
printf "Starting http server on port %d with base url %s\n" port baseurl
let a = App{getStatic=static staticdir
,appRoot=pack baseurl
,appOpts=opts
,appArgs=args
,appJournal=j
}
withStore "hledger" $ do
putValue "hledger" "journal" j
#if PRODUCTION
withApp a (run port)
#else
withApp a (run port . debug)
#endif