-- yammat - Yet Another MateMAT -- Copyright (C) 2015 Amedeo Molnár -- -- This program is free software: you can redistribute it and/or modify -- it under the terms of the GNU Affero General Public License as published -- by the Free Software Foundation, either version 3 of the License, or -- (at your option) any later version. -- -- This program is distributed in the hope that it will be useful, -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -- GNU Affero General Public License for more details. -- -- You should have received a copy of the GNU Affero General Public License -- along with this program. If not, see . module Handler.Transfer where import Import import Handler.Common import Data.Maybe import Text.Shakespeare.Text (stext) getTransferSelectR :: UserId -> Handler Html getTransferSelectR from = isUser from HomeR >>= (\_ -> do users <- runDB $ selectList [UserId !=. from] [Asc UserIdent] defaultLayout $ do setTitleI MsgTransfer $(widgetFile "transferSelect") ) getTransferR :: UserId -> UserId -> Handler Html getTransferR from to = isUser from HomeR >>= (\sender -> isUser to (TransferSelectR from) >>= (\recpt -> do (transferWidget, enctype) <- generateFormPost $ renderBootstrap3 BootstrapBasicForm transferForm currency <- appCurrency <$> appSettings <$> getYesod defaultLayout $ do setTitleI MsgTransfer $(widgetFile "transfer") ) ) postTransferR :: UserId -> UserId -> Handler Html postTransferR from to = isUser from HomeR >>= (\sender -> isUser to (TransferSelectR from) >>= (\recpt -> do ((res, _), _) <- runFormPost $ renderBootstrap3 BootstrapBasicForm transferForm case res of FormSuccess amount | amount < 0 -> do setMessageI MsgNegativeTransfer redirect $ TransferR from to | userBalance sender < amount -> do setMessageI MsgNotEnoughFunds redirect HomeR | otherwise -> do runDB $ update from [UserBalance -=. amount] runDB $ update to [UserBalance +=. amount] master <- getYesod liftIO $ notify sender recpt amount master setMessageI MsgTransferComplete redirect HomeR _ -> do setMessageI MsgTransferError redirect HomeR ) ) transferForm :: AForm Handler Int transferForm = areq currencyField (bfs MsgValue) (Just 0) <* bootstrapSubmit (msgToBSSubmit MsgTransfer) notify :: User -> User -> Int -> App -> IO () notify sender rcpt amount master = do when (isJust $ userEmail sender) $ liftIO $ sendMail master (fromJust $ userEmail sender) "Guthabentransfer beim Matematen" [stext| Hallo #{userIdent sender} Du hast gerade #{formatIntCurrency amount}#{appCurrency $ appSettings master} an #{userIdent rcpt} transferiert. Viele Grüße, Dein Matemat |] when (isJust $ userEmail rcpt) $ liftIO $ sendMail master (fromJust $ userEmail rcpt) "Guthabentransfer eingetroffen" [stext| Hallo #{userIdent rcpt} Du hast gerade #{formatIntCurrency amount}#{appCurrency $ appSettings master} von #{userIdent sender} erhalten. Viele Grüße, Dein Matemat |]