eidolon/Handler/Signup.hs

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{-# LANGUAGE TupleSections, OverloadedStrings #-}
module Handler.Signup where
import Import as I
import Data.Text as T
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import Data.Text.Encoding
import Data.Maybe
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getSignupR :: Handler Html
getSignupR = do
master <- getYesod
block <- return $ appSignupBlocked $ appSettings master
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case block of
False -> do
formLayout $ do
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setTitle "Eidolon :: Signup"
$(widgetFile "signup")
True -> do
setMessage "User signup has been disabled"
redirect $ HomeR
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postSignupR :: Handler Html
postSignupR = do
master <- getYesod
block <- return $ appSignupBlocked $ appSettings master
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case block of
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False -> do
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mUserName <- lookupPostParam "username"
newUserName <- case validateLen (fromJust mUserName) of
True -> return $ fromJust $ mUserName
False -> do
setMessage "Invalid username"
redirect $ SignupR
mEmail <- lookupPostParam "email"
mTos1 <- lookupPostParam "tos-1"
mTos2 <- lookupPostParam "tos-2"
case (mTos1, mTos2) of
(Just "tos-1", Just "tos-2") ->
return ()
_ -> do
setMessage "You need to agree to our terms."
redirect $ SignupR
-- create user
namesakes <- runDB $ selectList [UserName ==. newUserName] []
case namesakes of
[] -> do
salt <- liftIO generateSalt
newUser <- return $ User newUserName
newUserName
(fromJust mEmail)
salt
""
[]
False
activatorText <- liftIO generateString
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_ <- runDB $ insert $ Activator activatorText newUser
_ <- runDB $ insert $ Token (encodeUtf8 activatorText) "activate" Nothing
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activateLink <- ($ ActivateR activatorText) <$> getUrlRender
sendMail (userEmail newUser) "Please activate your account!" $
[shamlet|
<h1>Hello #{userSlug newUser} and Welcome to Eidolon!
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To complete your signup please activate your account by visiting the following link:
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<a href="#{activateLink}">#{activateLink}
|]
setMessage "User pending activation"
redirect $ HomeR
_ -> do
setMessage "This user already exists"
redirect $ SignupR
True -> do
setMessage "User signup is disabled"
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redirect $ HomeR
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validateLen :: Text -> Bool
validateLen a =
(T.length a) > 3