update

lib/api.dart

@@ -47,8 +47,20 @@ class API {
         jsonDecode(await getRequest("$instance/transaction/$id")));
   }
 
-  Future<List<Map<String, dynamic>>> getInventory(String item) async {
-    return jsonDecode(await getRequest("$instance/item/$item/inventory"));
+  Future<List<Transaction>> getInventory(String item) async {
+    var resp = jsonDecode(await getRequest("$instance/item/$item/inventory"))
+        as List<dynamic>;
+
+    return resp.map((x) => Transaction(x)).toList();
+  }
+
+  Future<List<Transaction>> getInventoryOfVariant(
+      String item, String variant) async {
+    var resp =
+        jsonDecode(await getRequest("$instance/item/$item/$variant/inventory"))
+            as List<dynamic>;
+
+    return resp.map((x) => Transaction(x)).toList();
   }
 
   Future<String> supplyItem(String item, String variant, String price,

lib/itemview.dart

@@ -26,26 +26,21 @@ class ItemView extends StatelessWidget {
           ],
         ),
         const SizedBox(height: 10),
+        Row(
+            children: item.variants.entries.map((entry) {
+          return Text(entry.value.name);
+        }).toList()),
         FutureBuilder(
           future: API().getInventory(item.id),
           builder: (context, snapshot) {
-            if (snapshot.hasData) {
-              var data = snapshot.data!;
-
-              return Column(
-                  children: data.map((x) {
-                return Row(
-                  children: [
-                    Text(x["uuid"]),
-                    Text(x["origin"]),
-                    Text(x["price"]),
-                    Text(x["timestamp"])
-                  ],
-                );
-              }).toList());
+            if (!snapshot.hasData) {
+              return const CircularProgressIndicator();
             }
+            var data = snapshot.data!;
 
-            return const CircularProgressIndicator();
+            return Expanded(
+                child: ListView(
+                    children: data.map((x) => TransactionCard(x)).toList()));
           },
         )
       ]),
@@ -61,6 +56,25 @@ class ItemView extends StatelessWidget {
   const ItemView({super.key, required this.item});
 }
 
+class TransactionCard extends StatelessWidget {
+  final Transaction t;
+
+  const TransactionCard(this.t, {super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      child: Column(
+        children: [
+          Row(
+            children: [Text(t.uuid), Text(t.item), Text(t.variant)],
+          ),
+        ],
+      ),
+    );
+  }
+}
+
 class SupplyPage extends StatefulWidget {
   final Item item;