spock.hsfiles

{-# START_FILE {{name}}.cabal #-}
cabal-version:       2.2

name:                {{name}}
version:             0.1.0.0
-- synopsis:
-- description:
homepage:            https://github.com/{{github-username}}{{^github-username}}githubuser{{/github-username}}/{{name}}#readme
license:             BSD-3-Clause
license-file:        LICENSE
author:              {{author-name}}{{^author-name}}Author name here{{/author-name}}
maintainer:          {{author-email}}{{^author-email}}example@example.com{{/author-email}}
copyright:           {{copyright}}{{^copyright}}{{year}}{{^year}}2024{{/year}} {{author-name}}{{^author-name}}Author name here{{/author-name}}{{/copyright}}
category:            {{category}}{{^category}}Web{{/category}}
build-type:          Simple
extra-source-files:  README.md
                     CHANGELOG.md

executable {{name}}
  hs-source-dirs:      app
  main-is:             Main.hs
  default-language:    Haskell2010
  build-depends:       base >= 4.7 && < 5
                     , Spock >= 0.11
                     , mtl
                     , text
  ghc-options:         -Wall
                       -Wcompat
                       -Widentities
                       -Wincomplete-record-updates
                       -Wincomplete-uni-patterns
                       -Wmissing-export-lists
                       -Wmissing-home-modules
                       -Wpartial-fields
                       -Wredundant-constraints

{-# START_FILE Setup.hs #-}
import Distribution.Simple
main = defaultMain

{-# START_FILE app/Main.hs #-}
{-# LANGUAGE OverloadedStrings #-}
module Main (main) where

import Web.Spock
import Web.Spock.Config

import Control.Monad.Trans
import Data.Monoid
import Data.IORef
import qualified Data.Text as T

data MySession = EmptySession
data MyAppState = DummyAppState (IORef Int)

main :: IO ()
main =
    do ref <- newIORef 0
       spockCfg <- defaultSpockCfg EmptySession PCNoDatabase (DummyAppState ref)
       runSpock 8080 (spock spockCfg app)

app :: SpockM () MySession MyAppState ()
app =
    do get root $
           text "Hello World!"
       get ("hello" <//> var) $ \name ->
           do (DummyAppState ref) <- getState
              visitorNumber <- liftIO $ atomicModifyIORef' ref $ \i -> (i+1, i+1)
              text ("Hello " <> name <> ", you are visitor number " <> T.pack (show visitorNumber))

{-# START_FILE README.md #-}
# {{name}}

{-# START_FILE CHANGELOG.md #-}
# Changelog for `{{ name }}`

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to the
[Haskell Package Versioning Policy](https://pvp.haskell.org/).

## Unreleased

## 0.1.0.0 - YYYY-MM-DD

{-# START_FILE LICENSE #-}
Copyright {{year}}{{^year}}2024{{/year}} {{author-name}}{{^author-name}}Author name here{{/author-name}}

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1.  Redistributions of source code must retain the above copyright notice, this
    list of conditions and the following disclaimer.

2.  Redistributions in binary form must reproduce the above copyright notice,
    this list of conditions and the following disclaimer in the documentation
    and/or other materials provided with the distribution.

3.  Neither the name of the copyright holder nor the names of its contributors
    may be used to endorse or promote products derived from this software
    without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.