From 099d775102bff5a46ccfbdf0333f7d84d7b99447 Mon Sep 17 00:00:00 2001
From: Petr Baudis <pasky@ucw.cz>
Date: Sun, 13 Dec 2015 16:10:03 +0100
Subject: [PATCH] Add missing collateral changes for Transfer

---
 brmbar3/brmbar-gui-qt4.py           |  8 ++++++++
 brmbar3/brmbar-gui-qt4/MainPage.qml | 13 ++++++++++---
 brmbar3/brmbar/Shop.py              |  4 ++++
 3 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/brmbar3/brmbar-gui-qt4.py b/brmbar3/brmbar-gui-qt4.py
index 5b63552..a41fd2c 100755
--- a/brmbar3/brmbar-gui-qt4.py
+++ b/brmbar3/brmbar-gui-qt4.py
@@ -122,6 +122,14 @@ class ShopAdapter(QtCore.QObject):
         db.commit()
         return balance
 
+    @QtCore.Slot('QVariant', 'QVariant', 'QVariant', result='QVariant')
+    def newTransfer(self, uidfrom, uidto, amount):
+        ufrom = brmbar.Account.load(db, id=uidfrom)
+        uto = brmbar.Account.load(db, id=uidto)
+        shop.transfer_credit(ufrom, uto, amount = amount)
+        db.commit()
+        return currency.str(float(amount))
+
     @QtCore.Slot('QVariant', result='QVariant')
     def balance_user(self, userid):
         user = brmbar.Account.load(db, id=userid)
diff --git a/brmbar3/brmbar-gui-qt4/MainPage.qml b/brmbar3/brmbar-gui-qt4/MainPage.qml
index effc9ad..6e555eb 100644
--- a/brmbar3/brmbar-gui-qt4/MainPage.qml
+++ b/brmbar3/brmbar-gui-qt4/MainPage.qml
@@ -33,6 +33,16 @@ Item {
         }
     }
 
+    BarButton {
+        x: 450
+        y: 838
+        width: 360
+        text: "Transfer"
+        onButtonClick: {
+            loadPage("Transfer")
+        }
+    }
+
     BarButton {
         id: management
         x: 855
@@ -50,7 +60,4 @@ Item {
         width: 1150
         text: "* Mroze a Termixy najdes v lednici *"
     }
-
-
-
 }
diff --git a/brmbar3/brmbar/Shop.py b/brmbar3/brmbar/Shop.py
index 1c4ffb0..55c26ba 100644
--- a/brmbar3/brmbar/Shop.py
+++ b/brmbar3/brmbar/Shop.py
@@ -78,6 +78,10 @@ class Shop:
         user.debit(transaction, credit, "Credit withdrawal")
         self.db.commit()
 
+    def transfer_credit(self, userfrom, userto, amount):
+        self.add_credit(amount, userto)
+        self.withdraw_credit(amount, userfrom)
+
     def buy_for_cash(self, item, amount = 1):
         # Buy: Currency conversion from item currency to shop currency
         (buy, sell) = item.currency.rates(self.currency)