yammat/Handler/Payout.hs

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-- 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 <http://www.gnu.org/licenses/>.
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module Handler.Payout where
import Import
import Handler.Common
import qualified Data.Text as T
data Payment = Payment
{ paymentAmount :: Int
, paymentDesc :: T.Text
}
getPayoutR :: Handler Html
getPayoutR = do
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(payoutWidget, enctype) <- generateFormPost
$ renderBootstrap3 BootstrapBasicForm payoutForm
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defaultLayout $
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$(widgetFile "payout")
postPayoutR :: Handler Html
postPayoutR = do
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((res, _), _) <- runFormPost
$ renderBootstrap3 BootstrapBasicForm payoutForm
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case res of
FormSuccess payment -> do
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balance <- getCashierBalance
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if balance >= paymentAmount payment
then do
msg <- renderMessage' $ MsgPayout $ paymentDesc payment
updateCashier (- (paymentAmount payment)) msg
setMessageI MsgPaidOut
redirect HomeR
else do
setMessageI MsgNotEnoughFunds
redirect HomeR
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_ -> do
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setMessageI MsgNotPaidOut
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redirect JournalR
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payoutForm :: AForm Handler Payment
payoutForm = Payment
<$> areq currencyField (bfs MsgValue) Nothing
<*> areq textField (bfs MsgDescription) Nothing
<* bootstrapSubmit (msgToBSSubmit MsgDoPayout)