From 8c24464a4bd0a486cd0ddf846d3b5a323a7aaa9a Mon Sep 17 00:00:00 2001
From: Joris
Date: Sun, 4 Oct 2015 20:48:32 +0200
Subject: Using incomes to compute a fair computation to designate the payer

---
 src/client/Update/LoggedIn/Account.elm | 29 +++++++++++++++++++++--------
 1 file changed, 21 insertions(+), 8 deletions(-)

(limited to 'src/client/Update/LoggedIn/Account.elm')

diff --git a/src/client/Update/LoggedIn/Account.elm b/src/client/Update/LoggedIn/Account.elm
index 2d9cd87..cf4c834 100644
--- a/src/client/Update/LoggedIn/Account.elm
+++ b/src/client/Update/LoggedIn/Account.elm
@@ -4,33 +4,35 @@ module Update.LoggedIn.Account
   ) where
 
 import Maybe
+import Time exposing (Time)
+import Dict
 
 import Model.User exposing (UserId)
-import Model.Payers exposing (..)
+import Model.Payer exposing (..)
 import Model.View.LoggedIn.Account exposing (..)
 
 import Utils.Maybe exposing (isJust)
 
 type AccountAction =
   ToggleDetail
-  | UpdatePayer UserId Int
+  | UpdatePayer UserId Time Int
   | ToggleIncomeEdition
   | UpdateIncomeEdition String
   | UpdateEditionError String
-  | UpdateIncome Int
+  | UpdateIncome Time Int
 
 updateAccount : AccountAction -> Account -> Account
 updateAccount action account =
   case action of
     ToggleDetail ->
       { account | visibleDetail <- not account.visibleDetail }
-    UpdatePayer userId cost ->
-      { account | payers <- updatePayers account.payers userId cost }
+    UpdatePayer userId creation amountDiff ->
+      { account | payers <- updatePayers account.payers userId creation amountDiff }
     ToggleIncomeEdition ->
       { account | incomeEdition <-
           if isJust account.incomeEdition
             then Nothing
-            else Just (initIncomeEdition (Maybe.withDefault 0 account.income))
+            else Just (initIncomeEdition (Maybe.withDefault 0 (getCurrentIncome account)))
       }
     UpdateIncomeEdition income ->
       case account.incomeEdition of
@@ -44,8 +46,19 @@ updateAccount action account =
           { account | incomeEdition <- Just { incomeEdition | error <- Just error } }
         Nothing ->
           account
-    UpdateIncome amount ->
+    UpdateIncome currentTime amount ->
       { account
-      | income <- Just amount
+      | payers <-
+          account.payers
+            |> Dict.update account.me (\mbPayer ->
+              case mbPayer of
+                Just payer ->
+                  Just
+                    { payer
+                    | incomes <- payer.incomes ++ [{ creation = currentTime, amount = amount }]
+                    }
+                Nothing ->
+                  Nothing
+            )
       , incomeEdition <- Nothing
       }
-- 
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