30 lines
1.1 KiB
Haskell
30 lines
1.1 KiB
Haskell
{-# LANGUAGE TypeFamilies #-}
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{-# LANGUAGE TemplateHaskell #-}
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module Yesod.Resource
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( parseRoutes
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, mkYesod
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) where
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import Web.Routes.Quasi (parseRoutes, createRoutes, Resource (..))
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import Yesod.Handler
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import Language.Haskell.TH.Syntax
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import Yesod.Yesod
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mkYesod :: String -> [Resource] -> Q [Dec]
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mkYesod name res = do
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let name' = mkName name
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let yaname = mkName $ name ++ "YesodApp"
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let ya = TySynD yaname [] $ ConT ''YesodApp `AppT` ConT name'
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let tySyn = TySynInstD ''Routes [ConT $ name'] (ConT $ mkName $ name ++ "Routes")
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let hand = TySynD (mkName $ name ++ "Handler") [PlainTV $ mkName "a"]
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$ ConT ''Handler `AppT` ConT name' `AppT` VarT (mkName "a")
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let gsbod = NormalB $ VarE $ mkName $ "site" ++ name ++ "Routes"
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let yes' = FunD (mkName "getSite") [Clause [] gsbod []]
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let yes = InstanceD [] (ConT ''YesodSite `AppT` ConT name') [yes']
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decs <- createRoutes (name ++ "Routes")
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yaname
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name'
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"runHandler"
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res
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return $ ya : tySyn : hand : yes : decs
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