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module View.Mail.WeeklyReport
( mail
) where
import Data.List (sortOn)
import Data.Map (Map)
import qualified Data.Map as M
import Data.Maybe (catMaybes, fromMaybe)
import Data.Monoid ((<>))
import Data.Text (Text)
import qualified Data.Text as T
import Data.Time.Calendar (Day)
import Data.Time.Clock (UTCTime)
import Common.Model (ExceedingPayer (..), Income (..),
Payment (..), User (..), UserId)
import qualified Common.Model as CM
import qualified Common.Msg as Msg
import qualified Common.View.Format as Format
import Conf (Conf)
import qualified Conf as Conf
import Model.IncomeResource (IncomeResource (..))
import Model.Mail (Mail (Mail))
import qualified Model.Mail as M
import Model.PaymentResource (PaymentResource (..))
import qualified Payer as Payer
import Resource (Status (..), groupByStatus, statuses)
mail :: Conf -> [User] -> [Payment] -> Map UserId Int -> Map UserId Int -> Maybe Day -> [Income] -> UTCTime -> UTCTime -> Mail
mail conf users weekPayments preIncomeRepartition postIncomeRepartition firstPayment incomes start end =
Mail
{ M.from = Conf.noReplyMail conf
, M.to = map _user_email users
, M.subject = T.concat
[ Msg.get Msg.App_Title
, " − "
, Msg.get Msg.WeeklyReport_Title
]
, M.body = body conf users weekPayments preIncomeRepartition postIncomeRepartition firstPayment incomes start end
}
body :: Conf -> [User] -> [Payment] -> Map UserId Int -> Map UserId Int -> Maybe Day -> [Income] -> UTCTime -> UTCTime -> Text
body conf users weekPayments preIncomeRepartition postIncomeRepartition firstPayment incomes start end =
T.intercalate "\n" $
[ exceedingPayers conf end users incomes preIncomeRepartition postIncomeRepartition firstPayment
, operations conf users paymentsGroupedByStatus incomesGroupedByStatus
]
where
paymentsGroupedByStatus = groupByStatus start end . map PaymentResource $ weekPayments
incomesGroupedByStatus = groupByStatus start end . map IncomeResource $ incomes
exceedingPayers :: Conf -> UTCTime -> [User] -> [Income] -> Map UserId Int -> Map UserId Int -> Maybe Day -> Text
exceedingPayers conf time users incomes preIncomeRepartition postIncomeRepartition firstPayment =
T.intercalate "\n" . map formatPayer $ payers
where
payers = Payer.getExceedingPayers time users incomes preIncomeRepartition postIncomeRepartition firstPayment
formatPayer p = T.concat
[ " * "
, fromMaybe "" $ _user_name <$> CM.findUser (_exceedingPayer_userId p) users
, " + "
, Format.price (Conf.currency conf) $ _exceedingPayer_amount p
, "\n"
]
operations :: Conf -> [User] -> Map Status [PaymentResource] -> Map Status [IncomeResource] -> Text
operations conf users paymentsByStatus incomesByStatus =
if M.null paymentsByStatus && M.null incomesByStatus
then
Msg.get Msg.WeeklyReport_Empty
else
T.intercalate "\n" . catMaybes . concat $
[ map (\s -> paymentSection s conf users <$> M.lookup s paymentsByStatus) statuses
, map (\s -> incomeSection s conf users <$> M.lookup s incomesByStatus) statuses
]
paymentSection :: Status -> Conf -> [User] -> [PaymentResource] -> Text
paymentSection status conf users payments =
section sectionTitle sectionItems
where count = length payments
sectionTitle = Msg.get $ case status of
Created -> if count > 1 then Msg.WeeklyReport_PaymentsCreated count else Msg.WeeklyReport_PaymentCreated count
Edited -> if count > 1 then Msg.WeeklyReport_PaymentsEdited count else Msg.WeeklyReport_PaymentEdited count
Deleted -> if count > 1 then Msg.WeeklyReport_PaymentsDeleted count else Msg.WeeklyReport_PaymentDeleted count
sectionItems = map (payedFor status conf users) . sortOn _payment_date . map (\(PaymentResource p) -> p) $ payments
payedFor :: Status -> Conf -> [User] -> Payment -> Text
payedFor status conf users payment =
case status of
Deleted -> Msg.get (Msg.WeeklyReport_PayedForNot name amount for at)
_ -> Msg.get (Msg.WeeklyReport_PayedFor name amount for at)
where name = formatUserName (_payment_user payment) users
amount = Format.price (Conf.currency conf) . _payment_cost $ payment
for = _payment_name payment
at = Format.longDay $ _payment_date payment
incomeSection :: Status -> Conf -> [User] -> [IncomeResource] -> Text
incomeSection status conf users incomes =
section sectionTitle sectionItems
where count = length incomes
sectionTitle = Msg.get $ case status of
Created -> if count > 1 then Msg.WeeklyReport_IncomesCreated count else Msg.WeeklyReport_IncomeCreated count
Edited -> if count > 1 then Msg.WeeklyReport_IncomesEdited count else Msg.WeeklyReport_IncomeEdited count
Deleted -> if count > 1 then Msg.WeeklyReport_IncomesDeleted count else Msg.WeeklyReport_IncomeDeleted count
sectionItems = map (isPayedFrom status conf users) . sortOn _income_date . map (\(IncomeResource i) -> i) $ incomes
isPayedFrom :: Status -> Conf -> [User] -> Income -> Text
isPayedFrom status conf users income =
case status of
Deleted -> Msg.get (Msg.WeeklyReport_PayedFromNot name amount for)
_ -> Msg.get (Msg.WeeklyReport_PayedFrom name amount for)
where name = formatUserName (_income_userId income) users
amount = Format.price (Conf.currency conf) . _income_amount $ income
for = Format.longDay $ _income_date income
formatUserName :: UserId -> [User] -> Text
formatUserName userId = fromMaybe "−" . fmap _user_name . CM.findUser userId
section :: Text -> [Text] -> Text
section title items =
T.concat
[ title
, "\n\n"
, T.unlines . map (" * " <>) $ items
]
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