From 27e11b20b06f2f2dbfb56c0998a63169b4b8abc4 Mon Sep 17 00:00:00 2001
From: Joris
Date: Wed, 8 Nov 2017 23:47:26 +0100
Subject: Use a better project structure

---
 server/src/View/Mail/WeeklyReport.hs | 102 +++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 server/src/View/Mail/WeeklyReport.hs

(limited to 'server/src/View/Mail/WeeklyReport.hs')

diff --git a/server/src/View/Mail/WeeklyReport.hs b/server/src/View/Mail/WeeklyReport.hs
new file mode 100644
index 0000000..b5f2b67
--- /dev/null
+++ b/server/src/View/Mail/WeeklyReport.hs
@@ -0,0 +1,102 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module View.Mail.WeeklyReport
+  ( mail
+  ) where
+
+import Data.List (sortOn)
+import Data.Map (Map)
+import Data.Maybe (catMaybes, fromMaybe)
+import Data.Monoid ((<>))
+import Data.Text (Text)
+import Data.Time.Clock (UTCTime)
+import qualified Data.Map as M
+import qualified Data.Text as T
+
+import qualified Common.Message as Message
+import qualified Common.Message.Key as Key
+import Common.Model (Payment(..), User(..), UserId, Income(..))
+import qualified Common.Model as CM
+import qualified Common.View.Format as Format
+
+import Model.Mail (Mail(Mail))
+import Model.Payment ()
+import qualified Model.Income ()
+import qualified Model.Mail as M
+import Resource (Status(..), groupByStatus, statuses)
+import Conf (Conf)
+import qualified Conf as Conf
+
+mail :: Conf -> [User] -> [Payment] -> [Income] -> UTCTime -> UTCTime -> Mail
+mail conf users payments incomes start end =
+  Mail
+    { M.from = Conf.noReplyMail conf
+    , M.to = map _user_email users
+    , M.subject = T.concat
+        [ Message.get Key.App_Title
+        , " − "
+        , Message.get Key.WeeklyReport_Title
+        ]
+    , M.plainBody = body conf users (groupByStatus start end payments) (groupByStatus start end incomes)
+    }
+
+body :: Conf -> [User] -> Map Status [Payment] -> Map Status [Income] -> Text
+body conf users paymentsByStatus incomesByStatus =
+  if M.null paymentsByStatus && M.null incomesByStatus
+    then
+      Message.get Key.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] -> [Payment] -> Text
+paymentSection status conf users payments =
+  section sectionTitle sectionItems
+  where count = length payments
+        sectionTitle = Message.get $ case status of
+          Created -> if count > 1 then Key.WeeklyReport_PaymentsCreated count else Key.WeeklyReport_PaymentCreated count
+          Edited -> if count > 1 then Key.WeeklyReport_PaymentsEdited count else Key.WeeklyReport_PaymentEdited count
+          Deleted -> if count > 1 then Key.WeeklyReport_PaymentsDeleted count else Key.WeeklyReport_PaymentDeleted count
+        sectionItems = map (payedFor status conf users) . sortOn _payment_date $ payments
+
+payedFor :: Status -> Conf -> [User] -> Payment -> Text
+payedFor status conf users payment =
+  case status of
+    Deleted -> Message.get (Key.WeeklyReport_PayedForNot name amount for at)
+    _ -> Message.get (Key.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] -> [Income] -> Text
+incomeSection status conf users incomes =
+  section sectionTitle sectionItems
+  where count = length incomes
+        sectionTitle = Message.get $ case status of
+          Created -> if count > 1 then Key.WeeklyReport_IncomesCreated count else Key.WeeklyReport_IncomeCreated count
+          Edited -> if count > 1 then Key.WeeklyReport_IncomesEdited count else Key.WeeklyReport_IncomeEdited count
+          Deleted -> if count > 1 then Key.WeeklyReport_IncomesDeleted count else Key.WeeklyReport_IncomeDeleted count
+        sectionItems = map (isPayedFrom status conf users) . sortOn _income_date $ incomes
+
+isPayedFrom :: Status -> Conf -> [User] -> Income -> Text
+isPayedFrom status conf users income =
+  case status of
+    Deleted -> Message.get (Key.WeeklyReport_PayedFromNot name amount for)
+    _ -> Message.get (Key.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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