93 lines
2.8 KiB
Haskell
93 lines
2.8 KiB
Haskell
module Servant.JS.JQuery where
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import Servant.JS.Internal
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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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-- | Generate javascript functions that use the /jQuery/ library
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-- to make the AJAX calls. Uses 'defCommonGeneratorOptions'
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-- for the generator options.
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jquery :: JavaScriptGenerator
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jquery = concat . map generateJQueryJS
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-- | Generate javascript functions that use the /jQuery/ library
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-- to make the AJAX calls. Lets you specify your own 'CommonGeneratorOptions'.
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jqueryWith :: CommonGeneratorOptions -> JavaScriptGenerator
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jqueryWith opts = concat . map (generateJQueryJSWith opts)
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-- | js codegen using JQuery using default options
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generateJQueryJS :: AjaxReq -> String
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generateJQueryJS = generateJQueryJSWith defCommonGeneratorOptions
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-- | js codegen using JQuery
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generateJQueryJSWith :: CommonGeneratorOptions -> AjaxReq -> String
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generateJQueryJSWith opts req = "\n" <>
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fname <> " = function(" <> argsStr <> ")\n"
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<> "{\n"
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<> " $.ajax(\n"
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<> " { url: " <> url <> "\n"
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<> " , success: " <> onSuccess <> "\n"
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<> dataBody
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<> reqheaders
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<> " , error: " <> onError <> "\n"
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<> " , type: '" <> method <> "'\n"
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<> " });\n"
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<> "}\n"
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where argsStr = intercalate ", " args
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args = captures
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++ map (view argName) queryparams
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++ body
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++ map (toValidFunctionName . (<>) "header" . headerArgName) hs
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++ [onSuccess, onError]
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captures = map captureArg
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. filter isCapture
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$ 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 [requestBody opts]
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else []
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onSuccess = successCallback opts
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onError = errorCallback opts
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dataBody =
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if req ^. reqBody
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then " , data: JSON.stringify(body)\n" <>
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" , contentType: 'application/json'\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 " , headers: { " ++ headersStr ++ " }\n"
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where headersStr = intercalate ", " $ map headerStr hs
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headerStr header = "\"" ++
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headerArgName header ++
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"\": " ++ show header
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namespace = if null (moduleName opts)
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then "var "
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else (moduleName opts) <> "."
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fname = namespace <> (functionNameBuilder opts $ req ^. funcName)
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method = req ^. reqMethod
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url = if url' == "'" then "'/'" else url'
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url' = "'"
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++ urlPrefix opts
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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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