Initial commit

lib/services/firestore_api.dart

@@ -0,0 +1,20 @@
+import 'package:cloud_firestore/cloud_firestore.dart';
+
+Future<List<Map<String, dynamic>>> dbGetCategories() async {
+  final snapshot = await FirebaseFirestore.instance.collection('categories').get();
+  return snapshot.docs.map((doc) => doc.data()).toList();
+}
+
+Future<Map<String, dynamic>?> dbGetItemById(String itemId) async {
+  try {
+    final doc = await FirebaseFirestore.instance.collection('items').doc(itemId).get();
+
+    if (doc.exists) {
+      return doc.data();
+    }
+    return null;
+  } catch (e) {
+    print('Error fetching item: $e');
+    return null;
+  }
+}