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module View.Payment.Payment
( view
, PaymentIn(..)
) where
import Data.Text (Text)
import qualified Data.Text as T
import Data.Time.Clock (NominalDiffTime)
import Prelude hiding (init)
import Reflex.Dom (Dynamic, Event, MonadWidget, Reflex)
import qualified Reflex.Dom as R
import Common.Model (Frequency, Init (..), Payment (..),
PaymentCategory (..), PaymentId,
SavedPayment (..))
import qualified Common.Util.Text as T
import View.Payment.Header (HeaderIn (..), HeaderOut (..))
import qualified View.Payment.Header as Header
import View.Payment.Pages (PagesIn (..), PagesOut (..))
import qualified View.Payment.Pages as Pages
import View.Payment.Table (TableIn (..), TableOut (..))
import qualified View.Payment.Table as Table
data PaymentIn = PaymentIn
{ _paymentIn_init :: Init
}
view :: forall t m. MonadWidget t m => PaymentIn -> m ()
view paymentIn = do
R.elClass "main" "payment" $ do
rec
let init = _paymentIn_init paymentIn
paymentsPerPage = 7
addPayment = R.leftmost
[ _headerOut_addPayment header
, _tableOut_addPayment table
]
payments <- reducePayments
(_init_payments init)
(_savedPayment_payment <$> addPayment)
(_savedPayment_payment <$> _tableOut_editPayment table)
(_tableOut_deletePayment table)
paymentCategories <- reducePaymentCategories
(_init_paymentCategories init)
payments
(_savedPayment_paymentCategory <$> addPayment)
(_savedPayment_paymentCategory <$> _tableOut_editPayment table)
(_tableOut_deletePayment table)
(searchNameEvent, searchName) <-
debounceSearchName (_headerOut_searchName header)
let searchPayments =
getSearchPayments searchName (_headerOut_searchFrequency header) payments
header <- Header.widget $ HeaderIn
{ _headerIn_init = init
, _headerIn_payments = payments
, _headerIn_searchPayments = searchPayments
, _headerIn_paymentCategories = paymentCategories
}
table <- Table.widget $ TableIn
{ _tableIn_init = init
, _tableIn_currentPage = _pagesOut_currentPage pages
, _tableIn_payments = searchPayments
, _tableIn_perPage = paymentsPerPage
, _tableIn_paymentCategories = paymentCategories
}
pages <- Pages.widget $ PagesIn
{ _pagesIn_total = length <$> searchPayments
, _pagesIn_perPage = paymentsPerPage
, _pagesIn_reset = R.leftmost $
[ () <$ searchNameEvent
, () <$ _headerOut_addPayment header
]
}
pure ()
debounceSearchName
:: forall t m. MonadWidget t m
=> Dynamic t Text
-> m (Event t Text, Dynamic t Text)
debounceSearchName searchName = do
event <- R.debounce (0.5 :: NominalDiffTime) (R.updated searchName)
dynamic <- R.holdDyn "" event
return (event, dynamic)
reducePayments
:: forall t m. MonadWidget t m
=> [Payment]
-> Event t Payment -- add payment
-> Event t Payment -- edit payment
-> Event t Payment -- delete payment
-> m (Dynamic t [Payment])
reducePayments initPayments addPayment editPayment deletePayment =
R.foldDyn id initPayments $ R.leftmost
[ (:) <$> addPayment
, R.ffor editPayment (\p -> (p:) . filter ((/= (_payment_id p)) . _payment_id))
, R.ffor deletePayment (\p -> filter ((/= (_payment_id p)) . _payment_id))
]
reducePaymentCategories
:: forall t m. MonadWidget t m
=> [PaymentCategory]
-> Dynamic t [Payment] -- payments
-> Event t PaymentCategory -- add payment category
-> Event t PaymentCategory -- edit payment category
-> Event t Payment -- delete payment
-> m (Dynamic t [PaymentCategory])
reducePaymentCategories
initPaymentCategories
payments
addPaymentCategory
editPaymentCategory
deletePayment
=
R.foldDyn id initPaymentCategories $ R.leftmost
[ (:) <$> addPaymentCategory
, R.ffor editPaymentCategory (\pc -> (pc:) . filter ((/= (_paymentCategory_name pc)) . _paymentCategory_name))
, R.ffor deletePaymentName (\name -> filter ((/=) (T.toLower name) . _paymentCategory_name))
]
where
deletePaymentName =
R.attachWithMaybe
(\ps p ->
if any (\p2 -> _payment_id p2 /= _payment_id p && lowerName p2 == lowerName p) ps then
Nothing
else
Just (_payment_name p))
(R.current payments)
deletePayment
lowerName = T.toLower . _payment_name
getSearchPayments
:: forall t. Reflex t
=> Dynamic t Text
-> Dynamic t Frequency
-> Dynamic t [Payment]
-> Dynamic t [Payment]
getSearchPayments name frequency payments = do
n <- name
f <- frequency
ps <- payments
pure $ flip filter ps (\p ->
( (T.search n (_payment_name p) || T.search n (T.pack . show . _payment_cost $ p))
&& (_payment_frequency p == f)
))
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