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module View.Payment.Payment
( init
, view
, In(..)
) 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 (Currency, Frequency, Income (..),
Payment (..), PaymentCategory (..),
PaymentId, SavedPayment (..), User,
UserId)
import qualified Common.Util.Text as T
import Loadable (Loadable (..))
import qualified Loadable
import qualified Util.Ajax as AjaxUtil
import qualified View.Payment.Header as Header
import View.Payment.Init (Init (..))
import qualified View.Payment.Pages as Pages
import qualified View.Payment.Table as Table
init :: forall t m. MonadWidget t m => m (Dynamic t (Loadable Init))
init = do
users <- AjaxUtil.getNow "api/users"
payments <- AjaxUtil.getNow "api/payments"
incomes <- AjaxUtil.getNow "api/incomes"
categories <- AjaxUtil.getNow "api/categories"
paymentCategories <- AjaxUtil.getNow "api/paymentCategories"
return $ do
us <- users
ps <- payments
is <- incomes
cs <- categories
pcs <- paymentCategories
return $ Init <$> us <*> ps <*> is <*> cs <*> pcs
data In t = In
{ _in_currentUser :: UserId
, _in_currency :: Currency
, _in_init :: Dynamic t (Loadable Init)
}
view :: forall t m. MonadWidget t m => In t -> m ()
view input = do
R.dyn . R.ffor (_in_init input) . Loadable.view $ \init ->
R.elClass "main" "payment" $ do
rec
let addPayment = R.leftmost
[ Header._out_addPayment header
, Table._out_addPayment table
]
paymentsPerPage = 7
payments <- reducePayments
(_init_payments init)
(_savedPayment_payment <$> addPayment)
(_savedPayment_payment <$> Table._out_editPayment table)
(Table._out_deletePayment table)
paymentCategories <- reducePaymentCategories
(_init_paymentCategories init)
payments
(_savedPayment_paymentCategory <$> addPayment)
(_savedPayment_paymentCategory <$> Table._out_editPayment table)
(Table._out_deletePayment table)
(searchNameEvent, searchName) <-
debounceSearchName (Header._out_searchName header)
let searchPayments =
getSearchPayments searchName (Header._out_searchFrequency header) payments
header <- Header.view $ Header.In
{ Header._in_init = init
, Header._in_currency = _in_currency input
, Header._in_payments = payments
, Header._in_searchPayments = searchPayments
, Header._in_paymentCategories = paymentCategories
}
table <- Table.view $ Table.In
{ Table._in_init = init
, Table._in_currency = _in_currency input
, Table._in_currentUser = _in_currentUser input
, Table._in_currentPage = Pages._out_currentPage pages
, Table._in_payments = searchPayments
, Table._in_perPage = paymentsPerPage
, Table._in_paymentCategories = paymentCategories
}
pages <- Pages.view $ Pages.In
{ Pages._in_total = length <$> searchPayments
, Pages._in_perPage = paymentsPerPage
, Pages._in_reset = R.leftmost $
[ () <$ searchNameEvent
, () <$ Header._out_addPayment header
]
}
pure ()
return ()
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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