Files
velocity-pay-flutter/lib/screens/groups/screens/batch_create_screen.dart
2026-06-24 18:01:34 +02:00

495 lines
18 KiB
Dart

import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:qpay/screens/groups/models/group_batch_model.dart';
import 'package:qpay/screens/groups/models/batch_item_update_model.dart';
import 'package:qpay/screens/groups/models/recipient_group_model.dart';
import 'package:qpay/models/responsive_policy.dart';
import 'package:qpay/screens/groups/controllers/batch_controller.dart';
import 'package:qpay/screens/provider/provider_controller.dart';
import 'package:qpay/widgets/app_snack_bar.dart';
import 'package:shared_preferences/shared_preferences.dart';
class BatchCreateScreen extends StatefulWidget {
final RecipientGroup group;
const BatchCreateScreen({super.key, required this.group});
@override
State<BatchCreateScreen> createState() => _BatchCreateScreenState();
}
class _BatchCreateScreenState extends State<BatchCreateScreen> {
late BatchController batchController;
late ProviderController providerController;
final _formKey = GlobalKey<FormState>();
final _descriptionController = TextEditingController();
final _amountController = TextEditingController();
final _debitPhoneController = TextEditingController();
String _currency = 'USD';
bool _loadingDropdowns = true;
@override
void initState() {
super.initState();
batchController = BatchController(context);
providerController = ProviderController(context);
// Sync listeners so the UI rebuilds when either controller changes
batchController.addListener(_onControllerChange);
providerController.addListener(_onControllerChange);
_init();
}
void _onControllerChange() {
if (!mounted) return;
setState(() {
// When products are available and a selected product exists with a non-zero
// defaultAmount, populate the amount field (only if it's empty or was cleared).
if (providerController.model.products.isNotEmpty &&
providerController.model.selectedProduct != null &&
_amountController.text.isEmpty) {
final product = providerController.model.selectedProduct!;
if (product.defaultAmount > 0) {
_amountController.text = product.defaultAmount.toStringAsFixed(2);
}
}
});
}
Future<void> _init() async {
final prefs = await SharedPreferences.getInstance();
if (prefs.containsKey('phone')) {
_debitPhoneController.text = prefs.getString('phone')!;
}
await Future.wait([
providerController.loadProviders(_currency),
batchController.loadProcessors(_currency),
]);
if (mounted) setState(() => _loadingDropdowns = false);
}
@override
void dispose() {
batchController.removeListener(_onControllerChange);
providerController.removeListener(_onControllerChange);
batchController.dispose();
providerController.dispose();
_descriptionController.dispose();
_amountController.dispose();
_debitPhoneController.dispose();
super.dispose();
}
Future<void> _submit() async {
if (!_formKey.currentState!.validate()) return;
final amount = double.tryParse(_amountController.text.trim());
if (amount == null || amount <= 0) {
AppSnackBar.show(context, 'Please enter a valid amount.');
return;
}
final prefs = await SharedPreferences.getInstance();
final userId = prefs.getString('userId') ?? '';
final workspaceId = prefs.getString('workspaceId') ?? '';
final req = CreateBatchRequest(
recipientGroupId: widget.group.id ?? '',
userId: userId,
workspaceId: workspaceId,
currency: _currency,
description: _descriptionController.text.trim(),
amount: amount,
);
// Step 1: Create the batch
final result = await batchController.createBatch(req);
if (!mounted) return;
if (result.isSuccess) {
final batch = result.data!;
// Step 2: Update batch items with selected provider & product
final selectedProvider = providerController.model.selectedProvider;
final selectedProduct = providerController.model.selectedProduct;
if (selectedProvider != null && batch.id != null) {
await _updateBatchItems(
batch.id!,
selectedProvider,
selectedProduct,
workspaceId,
);
}
if (!mounted) return;
context.pushReplacement('/groups/batches/${batch.id}');
} else {
AppSnackBar.showError(context, result.error ?? 'Failed to create batch.');
}
}
Future<void> _updateBatchItems(
String batchId,
BillProvider provider,
BillProduct? product,
String workspaceId,
) async {
// Fetch the batch items so we can update them
final itemsResult = await batchController.listBatchItems(batchId);
if (!mounted || !itemsResult.isSuccess) return;
if (itemsResult.data!.isEmpty) return;
final updateItems = itemsResult.data!.map((item) {
return GroupBatchItemUpdateRequest(
id: item.id,
amount: item.amount,
recipientName: item.recipientName,
recipientPhone: item.recipientPhone,
providerImage: provider.image,
providerLabel: provider.label,
billClientId: provider.clientId,
billName: provider.name,
billProductName: product?.name ?? '',
);
}).toList();
final updateList = GroupBatchItemUpdateList(
items: updateItems,
workspaceId: workspaceId,
);
await batchController.updateBatchItems(batchId, updateList);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('New Batch'), centerTitle: true),
body: ListenableBuilder(
listenable: Listenable.merge([batchController, providerController]),
builder: (context, _) {
if (_loadingDropdowns) {
return const Center(child: CircularProgressIndicator());
}
return Align(
alignment: Alignment.topCenter,
child: LayoutBuilder(
builder: (context, constraints) {
final width = constraints.maxWidth > ResponsivePolicy.md
? ResponsivePolicy.md.toDouble()
: constraints.maxWidth;
return SizedBox(
width: width,
child: SingleChildScrollView(
padding: const EdgeInsets.all(20),
child: Form(
key: _formKey,
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
// Row 1: Description + Currency
Row(
children: [
Expanded(
flex: 2,
child: TextFormField(
controller: _descriptionController,
textInputAction: TextInputAction.next,
decoration: InputDecoration(
labelText: 'Description (optional)',
hintText:
'e.g. Monthly salaries for January',
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
),
),
),
),
const SizedBox(width: 12),
Expanded(
child: DropdownButtonFormField<String>(
initialValue: _currency,
decoration: InputDecoration(
labelText: 'Currency',
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
),
),
items: const [
DropdownMenuItem(
value: 'USD',
child: Text('USD'),
),
DropdownMenuItem(
value: 'ZWG',
child: Text('ZWG'),
),
],
onChanged: (v) {
if (v != null) _updateCurrency(v);
},
),
),
],
),
const SizedBox(height: 16),
// Row 2: Provider + Product
Row(
children: [
Expanded(child: _buildProviderDropdown()),
const SizedBox(width: 12),
Expanded(child: _buildProductDropdown()),
],
),
const SizedBox(height: 16),
// Row 3: Amount + Phone
Row(
children: [
Expanded(
flex: 1,
child: TextFormField(
controller: _amountController,
readOnly: providerController
.model
.products
.isNotEmpty,
keyboardType:
const TextInputType.numberWithOptions(
decimal: true,
),
textInputAction: TextInputAction.next,
decoration: InputDecoration(
labelText:
'Amount each recipient will receive',
hintText:
providerController
.model
.products
.isNotEmpty
? 'Set by product'
: 'Amount',
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
),
),
validator: (v) =>
(v == null || v.trim().isEmpty)
? 'Required'
: null,
),
),
const SizedBox(width: 12),
Expanded(
flex: 1,
child: TextFormField(
controller: _debitPhoneController,
keyboardType: TextInputType.phone,
textInputAction: TextInputAction.done,
decoration: InputDecoration(
labelText: 'Your Phone Number',
hintText: '263773000000',
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
),
),
validator: (v) =>
(v == null || v.trim().isEmpty)
? 'Phone number is required'
: null,
),
),
],
),
const SizedBox(height: 32),
ElevatedButton(
onPressed: batchController.model.isActing
? null
: _submit,
style: ElevatedButton.styleFrom(
padding: const EdgeInsets.symmetric(vertical: 16),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
child: batchController.model.isActing
? const SizedBox(
height: 20,
width: 20,
child: CircularProgressIndicator(
strokeWidth: 2,
color: Colors.white,
),
)
: const Text(
'Create Batch',
style: TextStyle(fontSize: 16),
),
),
],
),
),
),
);
},
),
);
},
),
);
}
Widget _buildProviderDropdown() {
final providers = providerController.model.providers;
final isDark = Theme.of(context).brightness == Brightness.dark;
if (providerController.model.isLoadingProviders) {
return const SizedBox(
height: 56,
child: Center(child: CircularProgressIndicator(strokeWidth: 2)),
);
}
if (providers.isEmpty) {
return const SizedBox(
height: 56,
child: Center(child: Text('No providers available')),
);
}
return DropdownButtonFormField<BillProvider>(
initialValue: providerController.model.selectedProvider,
isExpanded: true,
decoration: InputDecoration(
labelText: 'Provider',
border: OutlineInputBorder(borderRadius: BorderRadius.circular(12)),
contentPadding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 14,
),
),
items: providers.map((provider) {
return DropdownMenuItem<BillProvider>(
value: provider,
child: Row(
children: [
ClipRRect(
borderRadius: BorderRadius.circular(4),
child: Image.asset(
'assets/${provider.image}',
width: 24,
height: 24,
errorBuilder: (_, __, ___) =>
const Icon(Icons.payment_rounded, size: 20),
),
),
const SizedBox(width: 8),
Flexible(
child: Text(
provider.name,
style: TextStyle(
fontSize: 13,
color: isDark ? Colors.white : Colors.black87,
),
overflow: TextOverflow.ellipsis,
),
),
],
),
);
}).toList(),
onChanged: (provider) {
if (provider != null) {
_amountController.clear();
providerController.selectProvider(provider);
}
},
);
}
Widget _buildProductDropdown() {
final products = providerController.model.products;
final isDark = Theme.of(context).brightness == Brightness.dark;
if (providerController.model.selectedProvider == null) {
return InputDecorator(
decoration: InputDecoration(
labelText: 'Product',
border: OutlineInputBorder(borderRadius: BorderRadius.circular(12)),
contentPadding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 14,
),
),
child: Text(
'Select a provider first',
style: TextStyle(fontSize: 13, color: Colors.grey.shade500),
),
);
}
if (providerController.model.isLoadingProducts) {
return const SizedBox(
height: 56,
child: Center(child: CircularProgressIndicator(strokeWidth: 2)),
);
}
if (products.isEmpty) {
return InputDecorator(
decoration: InputDecoration(
labelText: 'Product',
border: OutlineInputBorder(borderRadius: BorderRadius.circular(12)),
contentPadding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 14,
),
),
child: Text(
'No products',
style: TextStyle(fontSize: 13, color: Colors.grey.shade500),
),
);
}
return DropdownButtonFormField<BillProduct>(
value: providerController.model.selectedProduct,
isExpanded: true,
decoration: InputDecoration(
labelText: 'Product',
border: OutlineInputBorder(borderRadius: BorderRadius.circular(12)),
contentPadding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 14,
),
),
items: products.map((product) {
return DropdownMenuItem<BillProduct>(
value: product,
child: Text(
'${product.displayName.isNotEmpty ? product.displayName : product.name} - \$${product.defaultAmount}',
style: TextStyle(
fontSize: 13,
color: isDark ? Colors.white : Colors.black87,
),
overflow: TextOverflow.ellipsis,
),
);
}).toList(),
onChanged: (product) {
if (product != null) {
providerController.selectProduct(product);
if (product.defaultAmount > 0) {
_amountController.text = product.defaultAmount.toStringAsFixed(2);
}
}
},
);
}
void _updateCurrency(String v) {
setState(() => _currency = v);
providerController.loadProviders(v);
}
}