89 lines
2.3 KiB
Haskell
89 lines
2.3 KiB
Haskell
{-# LANGUAGE DataKinds #-}
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{-# LANGUAGE TypeOperators #-}
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{-# LANGUAGE FlexibleInstances #-}
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-----------------------------------------------------------------------------
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-- |
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-- Module : Servant.JQuery
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-- Copyright : (C) 2014 Alp Mestanogullari
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-- License : BSD3
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-- Maintainer : Alp Mestanogullari <alpmestan@gmail.com>
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-- Stability : experimental
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-- Portability : non-portable
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module Servant.JQuery
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( jquery
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, generateJS
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, printJS
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, module Servant.JQuery.Internal
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) where
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import Control.Lens
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import Data.List
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import Data.Monoid
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import Data.Proxy
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import Servant.JQuery.Internal
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jquery :: HasJQ layout => Proxy layout -> JQ layout
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jquery p = jqueryFor p defReq
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-- js codegen
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generateJS :: AjaxReq -> String
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generateJS req = "\n" <>
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"function " <> fname <> "(" <> argsStr <> ")\n"
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<> "{\n"
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<> " $.ajax(\n"
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<> " { url: " <> url <> "\n"
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<> " , success: onSuccess\n"
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<> dataBody
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<> reqheaders
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<> " , error: onError\n"
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<> " , type: '" <> method <> "'\n"
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<> " });\n"
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<> "}\n"
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where argsStr = intercalate ", " args
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args = captures
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++ map (view argName) queryparams
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++ body
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++ map ("header"++) hs
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++ ["onSuccess", "onError"]
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captures = map captureArg
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. filter isCapture
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$ req ^. reqUrl.path
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hs = req ^. reqHeaders
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queryparams = req ^.. reqUrl.queryStr.traverse
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body = if req ^. reqBody
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then ["body"]
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else []
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dataBody =
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if req ^. reqBody
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then "\n , data: JSON.stringify(body)\n"
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else ""
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reqheaders =
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if null hs
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then ""
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else "\n , headers: { " ++ headersStr hs ++ " } }\n"
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where headersStr hs = intercalate ", " $ map headerStr hs
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headerStr hname = hname ++ ": header" ++ hname
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fname = req ^. funcName
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method = req ^. reqMethod
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url = "'"
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++ urlArgs
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++ queryArgs
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urlArgs = jsSegments
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$ req ^.. reqUrl.path.traverse
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queryArgs = if null queryparams
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then ""
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else " + '?" ++ jsParams queryparams
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printJS :: AjaxReq -> IO ()
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printJS = putStrLn . generateJS
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