refined responsive ui for dashboard and start customer work

lib/features/customers/data/customer_repository.dart

@@ -0,0 +1,56 @@
+import 'package:get_it/get_it.dart';
+import 'package:supabase_flutter/supabase_flutter.dart';
+import '../models/customer_model.dart';
+
+class CustomerRepository {
+  final SupabaseClient _client = GetIt.I<SupabaseClient>();
+
+  // Crea un nuovo cliente
+  Future<CustomerModel> createCustomer(CustomerModel customer) async {
+    try {
+      final response = await _client
+          .from('customer')
+          .insert(customer.toJson())
+          .select()
+          .single();
+      return CustomerModel.fromJson(response);
+    } catch (e) {
+      throw 'Errore durante la creazione del cliente: $e';
+    }
+  }
+
+  // Recupera tutti i clienti dell'azienda
+  Future<List<CustomerModel>> getCustomers(String companyId) async {
+    try {
+      final response = await _client
+          .from('customer')
+          .select()
+          .eq('company_id', companyId)
+          .eq('is_active', true)
+          .order('nome');
+
+      return (response as List).map((c) => CustomerModel.fromJson(c)).toList();
+    } catch (e) {
+      throw 'Errore nel recupero clienti';
+    }
+  }
+
+  // Ricerca clienti per nome o telefono (fondamentale per la UX)
+  Future<List<CustomerModel>> searchCustomers(
+    String companyId,
+    String query,
+  ) async {
+    try {
+      final response = await _client
+          .from('customer')
+          .select()
+          .eq('company_id', companyId)
+          .or('nome.ilike.%$query%,telefono.ilike.%$query%')
+          .limit(10);
+
+      return (response as List).map((c) => CustomerModel.fromJson(c)).toList();
+    } catch (e) {
+      return [];
+    }
+  }
+}