task-085: displays running balances

1 files changed, 16 insertions, 6 deletions

diff --git a/schist_desktop_gui/src/gui/components/transactions_view/view_transactions_view.rs b/schist_desktop_gui/src/gui/components/transactions_view/view_transactions_view.rs
index f43ee48..4f61493 100644
--- a/schist_desktop_gui/src/gui/components/transactions_view/view_transactions_view.rs
+++ b/schist_desktop_gui/src/gui/components/transactions_view/view_transactions_view.rs
@@ -1,3 +1,5 @@
+use std::collections::HashMap;
+
 use iced::{
     alignment,
     widget::{
@@ -38,7 +40,7 @@ impl<'a> Viewable<'a, Message> for TransactionsView {
             ),
             column(
                 Text::default("Balance").width(iced::Length::Fixed(96.0)),
-                |_t: Transaction| view_balance_cell(),
+                |t: Transaction| view_balance_cell(t, &self.account_balances_by_transaction_id),
             ),
         ];
 
@@ -106,9 +108,17 @@ fn view_quantity_cell(t: Transaction) -> Text {
         .align_right()
 }
 
-fn view_balance_cell() -> Text {
-    Text::default("TODO")
-        .width(iced::Length::Fixed(96.0))
-        .small()
-        .clip()
+fn view_balance_cell(
+    transaction: Transaction,
+    account_balances_by_transaction_id: &HashMap<i32, i32>,
+) -> Text {
+    (account_balances_by_transaction_id
+        .get(&transaction.id)
+        .map_or_else(
+            || Text::default("Error").danger(),
+            |&balance| Text::currency(balance),
+        ))
+    .width(iced::Length::Fixed(96.0))
+    .small()
+    .clip()
 }