redesigned payment page + a lot of fixes

frontend/pweb/lib/controllers/payments/payment_config.dart

@@ -0,0 +1,55 @@
+import 'package:flutter/material.dart';
+
+import 'package:provider/provider.dart';
+
+import 'package:pshared/models/payment/methods/data.dart';
+import 'package:pshared/models/payment/methods/type.dart';
+import 'package:pshared/provider/recipient/pmethods.dart';
+
+import 'package:pweb/pages/payment_methods/add/widget.dart';
+import 'package:pweb/widgets/dialogs/confirmation_dialog.dart';
+
+import 'package:pweb/generated/i18n/app_localizations.dart';
+
+
+class PaymentConfigController {
+  final BuildContext context;
+
+  PaymentConfigController(this.context);
+
+  Future<void> addMethod() async => showDialog<PaymentMethodData>(
+    context: context,
+    builder: (_) => const AddPaymentMethodDialog(),
+  );
+
+  Future<void> editMethod(PaymentMethod method) async {
+    // TODO: implement edit functionality
+  }
+
+  Future<void> deleteMethod(PaymentMethod method) async {
+    final methodsProvider = context.read<PaymentMethodsProvider>();
+    final l10n = AppLocalizations.of(context)!;
+    final confirmed = await showConfirmationDialog(
+      context: context,
+      title: l10n.delete,
+      message: l10n.deletePaymentConfirmation,
+      confirmLabel: l10n.delete,
+    );
+    if (confirmed) {
+      methodsProvider.delete(method.id);
+    }
+  }
+
+  void toggleEnabled(PaymentMethod method, bool value) {
+    context.read<PaymentMethodsProvider>().setArchivedMethod(method: method, newIsArchived: value);
+  }
+
+  void makeMain(PaymentMethod method) {
+    context.read<PaymentMethodsProvider>().makeMain(method);
+  }
+
+  void reorder(int oldIndex, int newIndex) {
+    // TODO: rimplement on top of Indexable
+    // context.read<PaymentMethodsProvider>().reorderMethods(oldIndex, newIndex);
+  }
+}