{-# LANGUAGE TupleSections, OverloadedStrings #-} module Handler.Signup where import Import as I import System.Random import Data.Text as T import Network.Mail.Mime import Text.Blaze.Html.Renderer.Utf8 getSignupR :: Handler Html getSignupR = do (signupWidget, enctype) <- generateFormPost signupForm defaultLayout $ do $(widgetFile "signup") postSignupR :: Handler Html postSignupR = do ((result, signupWidget), enctype) <- runFormPost signupForm case result of FormSuccess user -> do namesakes <- runDB $ selectList [UserName ==. (userName user)] [] case (validateLen (userName user)) && ((I.length namesakes) == 0) of True -> do tokenString <- liftIO generateString uId <- runDB $ insert $ Token tokenString user activateLink <- ($ ActivateR tokenString) <$> getUrlRender sendMail (userEmail user) "Please activate your account!" $ [shamlet|

Welcome to Eidolon! To complete your sgnup please activate your account by visiting the following link #{activateLink} |] setMessage "User created" redirect $ HomeR False -> do setMessage "Username error" redirect $ SignupR _ -> do setMessage "Please try again" redirect $ SignupR signupForm :: Form User signupForm = renderDivs $ User <$> areq textField "Username" Nothing <*> areq emailField "Email" Nothing <*> areq passwordField "Password" Nothing <*> pure [] validateLen :: Text -> Bool validateLen a = (T.length a) > 3 generateString :: IO Text generateString = (T.pack . I.take 16 . randoms) <$> newStdGen sendMail :: MonadIO m => Text -> Text -> Html -> m () sendMail toEmail subject body = liftIO $ renderSendMail Mail { mailFrom = Address Nothing "noreply" -- TODO: set sender Address , mailTo = [Address Nothing toEmail] , mailCc = [] , mailBcc = [] , mailHeaders = [("Subject", subject)] , mailParts = [[Part { partType = "text/html; charset=utf-8" , partEncoding = None , partFilename = Nothing , partHeaders = [] , partContent = renderHtml body }]] }