Wheb: The Batteries-Included Haskell WAI Framework

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Warnings:

Wheb aims at providing a simple simple and straightforward web server.

import           Web.Wheb
import           Data.Text.Lazy (pack)

main :: IO ()
main = do
 opts <- generateOptions $ addGET (pack ".") rootPat $ (text (pack "Hi!"))
 runWhebServer (opts :: MinOpts)

Wheb makes it easy to share a global context and handle requests statefully

 import           Control.Concurrent.STM
 import           Control.Monad.IO.Class
 import           Data.Monoid
 import           Data.Text.Lazy (Text, pack)
 import           Web.Wheb

 data MyApp = MyApp Text (TVar Int)
 data MyHandlerData = MyHandlerData Int

 instance Default MyHandlerData where
   def = MyHandlerData 0

 counterMw :: MonadIO m => WhebMiddleware MyApp MyHandlerData m
 counterMw = do
   (MyApp _ ctr) <- getApp
   number <- liftIO $ readTVarIO ctr
   liftIO $ atomically $ writeTVar ctr (succ number)
   putReqState (MyHandlerData number)
   return Nothing

 homePage :: WhebHandler MyApp MyHandlerData
 homePage = do
   (MyApp appName _)       <- getApp
   (MyHandlerData num) <- getReqState
   html $ ("<h1>Welcome to" <> appName <>
           "</h1><h2>You are visitor #" <> (pack $ show num) <> "</h2>")

 main :: IO ()
 main = do
   opts <- generateOptions $ do
             startingCounter <- liftIO $ newTVarIO 0
             addWhebMiddleware counterMw
             addGET (pack ".") rootPat $ homePage
             return $ MyApp "AwesomeApp" startingCounter
   runWhebServer opts

Wheb allows you to write robust high concurrency web applications simply and effectively.

Properties

Versions 0.0.1.0, 0.0.1.1, 0.0.1.1, 0.1.0.0, 0.2.0.0, 0.3.0.0, 0.3.1.0
Change log None available
Dependencies base (==4.6.*), blaze-builder (==0.3.*), bytestring (==0.10.*), case-insensitive (==1.0.*), conduit (==1.0.*), containers (==0.5.*), cookie (==0.4.*), data-default (==0.5.*), http-types (==0.8.*), mtl (==2.1.*), pwstore-fast (==2.4.*), stm (==2.4.*), text (==0.11.*), time (==1.4.*), transformers (==0.3.*), uuid (==1.3.*), wai (==2.0.*), wai-extra (==2.0.*), warp (==2.0.*) [details]
License BSD-3-Clause
Author Kyle Hanson
Maintainer hanooter@gmail.com
Category Web
Home page https://github.com/hansonkd/Wheb-Framework
Source repo head: git clone git://github.com/hansonkd/Wheb-Framework.git
Uploaded by hansonkd at 2014-02-06T20:57:34Z

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