Add a loan feature

lib/ui/pages/account/account.dart

@@ -6,6 +6,7 @@ import 'package:okane/database/collections/beneficiary.dart';
 import 'package:okane/database/database.dart';
 import 'package:okane/ui/pages/account/breakdown_card.dart';
 import 'package:okane/ui/pages/account/delete_account.dart';
+import 'package:okane/ui/pages/account/loan_card.dart';
 import 'package:okane/ui/pages/account/total_balance_card.dart';
 import 'package:okane/ui/pages/account/upcoming_transactions_card.dart';
 import 'package:okane/ui/state/core.dart';
@@ -184,7 +185,10 @@ class AccountListPageState extends State<AccountListPage> {
                   padding: EdgeInsets.symmetric(horizontal: 8, vertical: 8),
                   child: UpcomingTransactionsCard(),
                 ),
+
                 Padding(padding: EdgeInsets.all(8), child: BreakdownCard()),
+
+                Padding(padding: EdgeInsets.all(8), child: TotalLoanCard()),
               ],
             ),
           ],

lib/ui/pages/account/loan_card.dart

@@ -0,0 +1,36 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:okane/database/database.dart';
+import 'package:okane/i18n/strings.g.dart';
+import 'package:okane/ui/state/core.dart';
+import 'package:okane/ui/utils.dart';
+import 'package:okane/ui/widgets/piechart_card.dart';
+
+class TotalLoanCard extends StatelessWidget {
+  const TotalLoanCard({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return BlocBuilder<CoreCubit, CoreState>(
+      builder: (context, state) {
+        return ResponsiveCard(
+          titleText: "Loan Sum",
+          child: Padding(
+            padding: EdgeInsets.all(16),
+            child: FutureBuilder(
+              future: getTotalLoanSum(),
+              builder: (context, snapshot) {
+                return Text(
+                  snapshot.hasData
+                      ? formatCurrency(snapshot.data!)
+                      : t.pages.accounts.totalBalance.loading,
+                  style: Theme.of(context).textTheme.bodyLarge,
+                );
+              },
+            ),
+          ),
+        );
+      },
+    );
+  }
+}

lib/ui/pages/account/total_balance_card.dart

@@ -16,8 +16,9 @@ class TotalBalanceCard extends StatelessWidget {
     }
 
     final results = await Future.wait(accounts.map(getTotalBalance).toList());
+    final loanSum = await getTotalLoanSum();
 
-    return results.reduce((acc, val) => acc + val);
+    return results.reduce((acc, val) => acc + val) + loanSum;
   }
 
   @override