Move down to only 1 abstract data type with a nully Frequency. Should aid in making the Expense page usable for all 3 data type.

lib/pages/report.dart

@@ -2,8 +2,8 @@
 import 'package:flutter/material.dart';
 
 // Local
-import 'package:flutter_expense_tracker/db.dart';
-import 'package:flutter_expense_tracker/models/tracked_type_recurring.dart';
+import '/db.dart';
+import '/models/tracked_item.dart';
 
 /// TODO:
 /// - Expenses (total number, totals by day / month / year)
@@ -57,22 +57,22 @@ class SummaryCardForTotals extends StatelessWidget {
     required this.summaryTypeLabel,
   });
 
-  final Future<List<RecurringTrackedType>> list;
+  final Future<List<TrackedItem>> list;
   final String summaryTypeLabel;
 
   @override
   Widget build(BuildContext context) {
-    return FutureBuilder<List<RecurringTrackedType>>(
+    return FutureBuilder<List<TrackedItem>>(
         future: list,
         builder: (
           BuildContext context,
-          AsyncSnapshot<List<RecurringTrackedType>> snapshot,
+          AsyncSnapshot<List<TrackedItem>> snapshot,
         ) {
           if (!snapshot.hasData) {
             return Text('Loading $summaryTypeLabel Section...');
           }
           double dailyTotal = 0, monthlyTotal = 0, yearlyTotal = 0;
-          for (RecurringTrackedType e in snapshot.data!) {
+          for (TrackedItem e in snapshot.data!) {
             dailyTotal += e.calcComparableAmountDaily();
             monthlyTotal += e.calcComparableAmountYearly() / 12;
             yearlyTotal += e.calcComparableAmountYearly();