add notes

lib/api.dart

@@ -141,7 +141,7 @@ class API {
 
   // /supply
   Future<String> supplyItem(String item, String variant, String price,
-      String? origin, String? location) async {
+      String? origin, String? location, String? note) async {
     if (origin!.isEmpty) {
       origin = null;
     }
@@ -150,12 +150,17 @@ class API {
       location = null;
     }
 
+    if (note!.isEmpty) {
+      note = null;
+    }
+
     var req = await postRequest("$instance/supply", {
       "item": item,
       "variant": variant,
       "price": price,
       "origin": origin,
-      "location": location
+      "location": location,
+      "note": note
     });
     var resp = jsonDecode(req);
 
@@ -349,6 +354,7 @@ class Transaction {
   late int timestamp;
   late ConsumeInfo? consumed;
   late bool expired;
+  late String? note;
 
   Transaction(Map<String, dynamic> json) {
     uuid = json["uuid"];
@@ -358,6 +364,7 @@ class Transaction {
     origin = json["origin"];
     timestamp = json["timestamp"];
     expired = json["expired"];
+    note = json["note"];
     consumed = json["consumed"] != null ? ConsumeInfo(json["consumed"]) : null;
   }
 }

lib/pages/itemview.dart

@@ -168,6 +168,12 @@ class TransactionCard extends StatelessWidget {
               const SizedBox(
                 height: 10,
               ),
+              if ((t.note ?? "").isNotEmpty) ...[
+                Text(t.note!),
+                const SizedBox(
+                  height: 10,
+                )
+              ],
               Row(
                 children: [
                   const Icon(Icons.money, size: 18, color: Colors.green),

lib/pages/supply.dart

@@ -18,12 +18,14 @@ class _SupplyPageState extends State<SupplyPage> {
   String _selectedOrigin = "";
   String _selectedLocation = "";
   late TextEditingController _priceController;
+  late TextEditingController _noteController;
 
   @override
   void initState() {
     super.initState();
     variant = widget.item.variants.keys.first;
     _priceController = TextEditingController(text: "");
+    _noteController = TextEditingController(text: "");
   }
 
   void _supply() {
@@ -32,7 +34,7 @@ class _SupplyPageState extends State<SupplyPage> {
 
       API()
           .supplyItem(widget.item.name, variant, "${_priceController.text} €",
-              _selectedOrigin, _selectedLocation)
+              _selectedOrigin, _selectedLocation, _noteController.text)
           .then((_) {
         ScaffoldMessenger.of(context).showSnackBar(
           const SnackBar(content: Text('Item added successfully!')),
@@ -174,6 +176,13 @@ class _SupplyPageState extends State<SupplyPage> {
                     ],
                   ),
 
+                  // Note
+                  TextFormField(
+                    decoration: const InputDecoration(labelText: 'Note'),
+                    keyboardType: TextInputType.number,
+                    controller: _noteController,
+                  ),
+
                   const SizedBox(height: 20),
 
                   // Submit Button