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module Model.Payment
( getPunctualPayments
, getUserMonthlyPayments
, getMonthlyPayments
, createPayment
, deleteOwnPayment
, getPaymentsCount
) where
import Data.Text (Text)
import Data.Time.Clock (getCurrentTime)
import Control.Monad.IO.Class (liftIO)
import Database.Persist
import qualified Database.Persist as P
import Model.Database
import Model.Frequency
import qualified Model.Json.Payment as P
getPunctualPayments :: Persist [P.Payment]
getPunctualPayments =
map getJsonPayment <$> selectList
[ PaymentDeletedAt P.==. Nothing
, PaymentFrequency P.==. Punctual
]
[ Desc PaymentCreation ]
getUserMonthlyPayments :: UserId -> Persist [P.Payment]
getUserMonthlyPayments userId =
filter ((==) userId . P.userId) . map getJsonPayment <$> getMonthlyPayments
getMonthlyPayments :: Persist [Entity Payment]
getMonthlyPayments =
selectList
[ PaymentDeletedAt P.==. Nothing
, PaymentFrequency P.==. Monthly
]
[ Desc PaymentName ]
getJsonPayment :: Entity Payment -> P.Payment
getJsonPayment paymentEntity =
let payment = entityVal paymentEntity
in P.Payment
{ P.id = entityKey paymentEntity
, P.creation = paymentCreation payment
, P.name = paymentName payment
, P.cost = paymentCost payment
, P.userId = paymentUserId payment
}
createPayment :: UserId -> Text -> Int -> Frequency -> Persist PaymentId
createPayment userId name cost frequency = do
now <- liftIO getCurrentTime
insert $ Payment userId now name cost Nothing frequency
deleteOwnPayment :: Entity User -> PaymentId -> Persist Bool
deleteOwnPayment user paymentId = do
mbPayment <- get paymentId
case mbPayment of
Just payment ->
if paymentUserId payment == entityKey user
then do
now <- liftIO getCurrentTime
P.update paymentId [PaymentDeletedAt P.=. Just now]
return True
else
return False
Nothing ->
return False
getPaymentsCount :: Persist Int
getPaymentsCount =
count
[ PaymentDeletedAt P.==. Nothing
, PaymentFrequency P.==. Punctual
]
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