update

lib/pages/itemview.dart

@@ -4,6 +4,8 @@ import 'package:flutter/material.dart';
 import 'package:intl/intl.dart';
 import 'supply.dart';
 
+// todo : show est. time remaining until inventory gets empty (based on demand)
+
 class ItemView extends StatefulWidget {
   final Item item;
 

lib/pages/transaction.dart

@@ -37,6 +37,13 @@ class TransactionCard extends StatelessWidget {
           },
         ));
       },
+      onLongPress: () {
+        Navigator.of(context).push(MaterialPageRoute(
+          builder: (context) {
+            return TransactionPage(t);
+          },
+        ));
+      },
       child: Card(
         color: t.expired ? Colors.red[100] : Colors.black,
         margin: const EdgeInsets.symmetric(vertical: 8, horizontal: 16),