servant.hsfiles

{-# START_FILE {{name}}.cabal #-}
name:                {{name}}
version:             0.1.0.0
-- synopsis:
-- description:
homepage:            https://github.com/{{github-username}}{{^github-username}}githubuser{{/github-username}}/{{name}}#readme
license:             BSD3
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}}2018{{/year}} {{author-name}}{{^author-name}}Author name here{{/author-name}}{{/copyright}}
category:            {{category}}{{^category}}Web{{/category}}
build-type:          Simple
extra-source-files:  README.md
cabal-version:       >=1.10

library
  hs-source-dirs:      src
  exposed-modules:     Lib
  build-depends:       base >= 4.7 && < 5
                     , aeson
                     , servant-server
                     , wai
                     , warp
  default-language:    Haskell2010

executable {{name}}-exe
  hs-source-dirs:      app
  main-is:             Main.hs
  ghc-options:         -threaded -rtsopts -with-rtsopts=-N
  build-depends:       base
                     , {{name}}
  default-language:    Haskell2010

test-suite {{name}}-test
  type:                exitcode-stdio-1.0
  hs-source-dirs:      test
  main-is:             Spec.hs
  build-depends:       base
                     , {{name}}
                     , hspec
                     , hspec-wai
                     , hspec-wai-json
                     , aeson
  ghc-options:         -threaded -rtsopts -with-rtsopts=-N
  default-language:    Haskell2010

source-repository head
  type:     git
  location: https://github.com/{{github-username}}{{^github-username}}githubuser{{/github-username}}/{{name}}

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

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

import Lib (app)
import Test.Hspec
import Test.Hspec.Wai
import Test.Hspec.Wai.JSON

main :: IO ()
main = hspec spec

spec :: Spec
spec = with (return app) $ do
    describe "GET /users" $ do
        it "responds with 200" $ do
            get "/users" `shouldRespondWith` 200
        it "responds with [User]" $ do
            let users = "[{\"userId\":1,\"userFirstName\":\"Isaac\",\"userLastName\":\"Newton\"},{\"userId\":2,\"userFirstName\":\"Albert\",\"userLastName\":\"Einstein\"}]"
            get "/users" `shouldRespondWith` users

{-# START_FILE src/Lib.hs #-}
{-# LANGUAGE DataKinds       #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE TypeOperators   #-}
module Lib
    ( startApp
    , app
    ) where

import Data.Aeson
import Data.Aeson.TH
import Network.Wai
import Network.Wai.Handler.Warp
import Servant

data User = User
  { userId        :: Int
  , userFirstName :: String
  , userLastName  :: String
  } deriving (Eq, Show)

$(deriveJSON defaultOptions ''User)

type API = "users" :> Get '[JSON] [User]

startApp :: IO ()
startApp = run 8080 app

app :: Application
app = serve api server

api :: Proxy API
api = Proxy

server :: Server API
server = return users

users :: [User]
users = [ User 1 "Isaac" "Newton"
        , User 2 "Albert" "Einstein"
        ]

{-# START_FILE app/Main.hs #-}
module Main where

import Lib

main :: IO ()
main = startApp

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

{-# START_FILE LICENSE #-}
Copyright {{author-name}}{{^author-name}}Author name here{{/author-name}} (c) {{year}}{{^year}}2018{{/year}}

All rights reserved.

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

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

    * 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.

    * Neither the name of {{author-name}}{{^author-name}}Author name here{{/author-name}} nor the names of other
      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
OWNER 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.