120 lines
2.9 KiB
Haskell
120 lines
2.9 KiB
Haskell
{-# LANGUAGE MultiParamTypeClasses #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE QuasiQuotes #-}
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{-# LANGUAGE TemplateHaskell #-}
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{-# LANGUAGE TypeFamilies #-}
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module Main where
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import Data.ByteString.Lazy as BS
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import Data.List as List
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import Debug.Trace (traceShow)
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import Track (parseBS, parseFile)
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import Yesod.Core
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import Yesod.Form.Fields
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import Yesod.Form.Functions
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import Yesod.Form.Types
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-- https://github.com/yesodweb/yesod-cookbook/blob/master/cookbook/Static-file-subsite-Hello-World.md
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import Yesod.Static
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staticFiles "frontend" -- this param appears to be a pathname
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data Souplesse = Souplesse
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{ getStatic :: Static
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}
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-- ref https://www.yesodweb.com/book/routing-and-handlers
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-- for adding params (start/end) to the timeline route
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mkYesod
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"Souplesse"
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[parseRoutes|
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/ CalendarR GET
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/timeline TimelineR GET
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/upload UploadR POST
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/static StaticR Static getStatic
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|]
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instance Yesod Souplesse
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getCalendarR :: Handler Html
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getCalendarR = do
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(formWidget, _) <- generateFormPost uploadForm
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defaultLayout
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[whamlet|
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<h1>Calendar
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<p>A calendar view goes here
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<form action="/upload" method=post enctype="multipart/form-data">
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^{formWidget}
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<input type="submit" name="send" value="send">
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<a href="/timeline">timeline
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© 2024 Daniel Barlow
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|]
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getTimelineR :: Handler Html
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-- what's this about? <img src=@{StaticR image_png}/>|]
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getTimelineR = defaultLayout $ do
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setTitle "timeline"
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addScriptRemote "/static/frontend.js"
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toWidgetBody
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[julius|
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window.addEventListener("load", function(){
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var app = Elm.Main.init({
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node: document.getElementById("elm")
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});
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})
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|]
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toWidget
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[hamlet|
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<pre id="elm">
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<p>Copyright © 2024 Daniel Barlow
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|]
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data FileForm = FileForm
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{ fileInfo :: FileInfo
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}
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type Form x = Html -> MForm (HandlerFor Souplesse) (FormResult x, Widget)
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uploadForm :: Form FileForm
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uploadForm =
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renderDivs $
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FileForm
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<$> fileAFormReq "choose file"
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instance RenderMessage Souplesse FormMessage where
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renderMessage _ _ = defaultFormMessage
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postUploadR :: Handler Html
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postUploadR = do
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((result, _), _) <- runFormPost uploadForm
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case result of
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FormSuccess upload -> do
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bs <- fileSourceByteString $ fileInfo upload
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case Track.parseBS (fromStrict bs) of
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Right points ->
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defaultLayout [whamlet|<p>#{List.length points} points - thanks!|]
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Left _ ->
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defaultLayout
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[whamlet|<p>parse error ]
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FormMissing ->
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defaultLayout [whamlet|<p>FormMissing (?)|]
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FormFailure errors ->
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defaultLayout
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[whamlet|
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<h1>Error uploading
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<ul>
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$forall err <- errors
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<li>#{err}
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|]
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main :: IO ()
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main = do
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points <- Track.parseFile "track.gpx"
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static'@(Static settings) <- static "frontend"
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putStrLn ("loaded " ++ show (List.length points) ++ " points from GPX")
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warp 3000 $ Souplesse static'
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