third commit
This commit is contained in:
@@ -16,6 +16,7 @@ import '../../../core/utils/formatters.dart';
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import '../../../core/widgets/glass_card.dart';
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import '../../../core/widgets/primary_button.dart';
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import '../../../domain/entities/transaction.dart';
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import '../../modules/providers/printer_settings.dart';
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import '../../pos/providers/cart_controller.dart';
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import '../widgets/receipt_preview.dart';
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@@ -37,6 +38,30 @@ class _ReceiptScreenState extends ConsumerState<ReceiptScreen> {
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@override
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void initState() {
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super.initState();
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// Auto-print is opt-in and only fires when a printer was actually
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// selected, so it can never fail invisibly on a terminal with none.
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WidgetsBinding.instance.addPostFrameCallback((_) async {
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final settings = ref.read(printerSettingsProvider);
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if (!settings.autoPrint || !settings.hasPrinter) return;
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final ok = await ref.read(receiptServiceProvider).printDirect(
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widget.transaction,
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printerUrl: settings.printerUrl,
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);
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if (!ok && mounted) {
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_cancelAutoReturn();
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ScaffoldMessenger.of(context)
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..hideCurrentSnackBar()
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..showSnackBar(const SnackBar(
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backgroundColor: AppColors.danger,
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content: Text(
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'Printer did not respond — use Print to send it again.',
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),
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));
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}
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});
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_timer = Timer.periodic(const Duration(seconds: 1), (t) {
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if (!mounted) return;
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setState(() => _seconds--);
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@@ -182,31 +207,85 @@ class _ReceiptScreenState extends ConsumerState<ReceiptScreen> {
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),
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const SizedBox(height: AppSpacing.xxl),
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Row(children: [
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Expanded(
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child: PrimaryButton(
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label: 'Reprint',
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icon: Icons.print_outlined,
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tone: ButtonTone.neutral,
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onPressed: () {
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_cancelAutoReturn();
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ref.read(receiptServiceProvider).printWithDialog(txn);
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},
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// Wrap, so three actions never overflow a narrow terminal.
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Wrap(
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spacing: AppSpacing.md,
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runSpacing: AppSpacing.md,
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children: [
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SizedBox(
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width: 150,
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child: PrimaryButton(
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label: 'Print',
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icon: Icons.print_outlined,
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tone: ButtonTone.neutral,
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onPressed: () async {
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_cancelAutoReturn();
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final settings = ref.read(printerSettingsProvider);
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final service = ref.read(receiptServiceProvider);
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// Straight to the roll when one is configured; otherwise
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// the system preview, which works with no hardware.
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final printed = settings.hasPrinter &&
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await service.printDirect(
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txn,
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printerUrl: settings.printerUrl,
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);
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if (!printed) await service.printPreview(txn);
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},
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),
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),
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SizedBox(
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width: 170,
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child: PrimaryButton(
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label: 'WhatsApp',
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icon: Icons.chat_rounded,
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tone: txn.customer == null
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? ButtonTone.neutral
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: ButtonTone.ghost,
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onPressed: txn.customer == null
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? null
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: () async {
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_cancelAutoReturn();
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final sent = await ref
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.read(receiptServiceProvider)
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.sendToWhatsApp(txn);
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if (!context.mounted || sent) return;
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ScaffoldMessenger.of(context)
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..hideCurrentSnackBar()
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..showSnackBar(const SnackBar(
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content: Text(
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'Could not open WhatsApp on this device.',
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),
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));
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},
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),
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),
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SizedBox(
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width: 170,
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child: PrimaryButton(
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label: 'Share PDF',
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icon: Icons.ios_share_rounded,
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tone: ButtonTone.neutral,
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onPressed: () {
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_cancelAutoReturn();
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ref.read(receiptServiceProvider).sharePdf(txn);
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},
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),
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),
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],
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),
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if (txn.customer == null)
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const Padding(
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padding: EdgeInsets.only(top: AppSpacing.sm),
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child: Text(
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'No mobile number captured, so WhatsApp is unavailable for '
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'this bill.',
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style: TextStyle(
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fontSize: 12,
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color: AppColors.textTertiary,
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),
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),
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),
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const SizedBox(width: AppSpacing.md),
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Expanded(
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child: PrimaryButton(
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label: 'Share',
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icon: Icons.ios_share_rounded,
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tone: ButtonTone.neutral,
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onPressed: () {
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_cancelAutoReturn();
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ref.read(receiptServiceProvider).share(txn);
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},
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),
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),
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]),
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const SizedBox(height: AppSpacing.md),
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PrimaryButton(
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label: _seconds > 0
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@@ -5,6 +5,7 @@ import '../../../core/theme/app_colors.dart';
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import '../../../core/theme/app_dimens.dart';
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import '../../../core/theme/app_typography.dart';
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import '../../../core/utils/formatters.dart';
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import '../../../domain/entities/cart.dart';
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import '../../../domain/entities/transaction.dart';
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/// Paper-like preview of what the thermal printer produced.
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@@ -13,10 +14,33 @@ class ReceiptPreview extends StatelessWidget {
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final SaleTransaction transaction;
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/// Groups the bill by GST rate, mirroring how the printed invoice lists it.
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List<_PreviewSlab> _slabs(SaleTransaction txn) {
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final cart = txn.cart;
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final factor = cart.subtotal <= 0 ? 1.0 : cart.netAmount / cart.subtotal;
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final grouped = <double, List<CartLine>>{};
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for (final line in cart.lines) {
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grouped.putIfAbsent(line.product.gstRate, () => []).add(line);
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}
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final rates = grouped.keys.toList()..sort();
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return [
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for (var i = 0; i < rates.length; i++)
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_PreviewSlab(i + 1, rates[i], grouped[rates[i]]!, factor),
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];
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}
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double _gross(SaleTransaction txn) => txn.cart.lines
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.fold(0.0, (s, l) => s + (l.product.mrp ?? l.product.price) * l.quantity);
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@override
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Widget build(BuildContext context) {
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final txn = transaction;
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final cart = txn.cart;
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final slabs = _slabs(txn);
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final gross = _gross(txn);
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final discount = gross - cart.netAmount;
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return Container(
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decoration: BoxDecoration(
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@@ -29,14 +53,15 @@ class ReceiptPreview extends StatelessWidget {
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Expanded(
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child: SingleChildScrollView(
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padding: const EdgeInsets.symmetric(
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horizontal: AppSpacing.xxl,
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vertical: AppSpacing.xl,
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horizontal: AppSpacing.xl,
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vertical: AppSpacing.lg,
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),
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child: DefaultTextStyle(
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style: AppTypography.mono(11.5, color: AppColors.textPrimary),
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style: AppTypography.mono(10, color: AppColors.textPrimary),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// ------------------------------------------------ header
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Center(
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child: Column(children: [
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Text(
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@@ -44,117 +69,251 @@ class ReceiptPreview extends StatelessWidget {
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style: AppTypography.mono(15)
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.copyWith(fontWeight: FontWeight.w700),
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),
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const SizedBox(height: 3),
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Text(AppConstants.storeLegalName,
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style: AppTypography.mono(8.5)),
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const SizedBox(height: 2),
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Text(AppConstants.storeAddress,
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textAlign: TextAlign.center,
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style: AppTypography.mono(9.5)),
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Text('GSTIN: ${AppConstants.storeGstin}',
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style: AppTypography.mono(9.5)),
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const SizedBox(height: AppSpacing.sm),
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Text('TAX INVOICE',
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style: AppTypography.mono(11.5)
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.copyWith(fontWeight: FontWeight.w700)),
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style: AppTypography.mono(8.5)),
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Text('Customer care : ${AppConstants.storePhone}',
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style: AppTypography.mono(8.5)),
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Text('CIN No : ${AppConstants.storeCin}',
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style: AppTypography.mono(8.5)),
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Text('GSTIN : ${AppConstants.storeGstin}',
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style: AppTypography.mono(8.5)),
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Text('FSSAI Lic No : ${AppConstants.storeFssai}',
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style: AppTypography.mono(8.5)),
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]),
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),
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const _Dashes(),
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_row('Invoice', txn.invoiceNumber),
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_row('Date', Formatters.receiptStamp(txn.createdAt)),
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_row('Cashier', txn.cashierName),
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_row('Customer', txn.customer?.name ?? 'Walk-in'),
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const _Dashes(),
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Row(children: [
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Expanded(flex: 5, child: _bold('Item')),
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Expanded(
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flex: 2,
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child: _bold('Qty', align: TextAlign.center),
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),
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Expanded(
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flex: 3,
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child: _bold('Amount', align: TextAlign.right),
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),
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]),
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const SizedBox(height: AppSpacing.xs),
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...cart.lines.map((line) => Padding(
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padding: const EdgeInsets.symmetric(vertical: 2.5),
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child: Row(children: [
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Expanded(flex: 5, child: Text(line.product.name)),
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Expanded(
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flex: 2,
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child: Text(
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line.quantity % 1 == 0
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? line.quantity.toStringAsFixed(0)
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: line.quantity.toStringAsFixed(2),
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textAlign: TextAlign.center,
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),
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),
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Expanded(
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flex: 3,
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child: Text(
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line.payable.toStringAsFixed(2),
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textAlign: TextAlign.right,
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),
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),
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]),
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)),
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const _Dashes(),
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_row('Subtotal', cart.subtotal.toStringAsFixed(2)),
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if (cart.billDiscountTotal > 0)
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_row('Discount',
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'-${cart.billDiscountTotal.toStringAsFixed(2)}'),
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if (cart.loyaltyRedemptionValue > 0)
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_row('Points redeemed',
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'-${cart.loyaltyRedemptionValue.toStringAsFixed(2)}'),
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_row('CGST', cart.cgst.toStringAsFixed(2)),
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_row('SGST', cart.sgst.toStringAsFixed(2)),
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if (cart.roundOff != 0)
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_row('Round off', cart.roundOff.toStringAsFixed(2)),
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const _Dashes(),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text('TOTAL',
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style: AppTypography.mono(15).copyWith(
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fontWeight: FontWeight.w800,
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color: AppColors.textPrimary,
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)),
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Text(
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Formatters.money(txn.total),
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style: AppTypography.mono(15).copyWith(
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fontWeight: FontWeight.w800,
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if (discount > 0) ...[
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const SizedBox(height: AppSpacing.sm),
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Center(
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child: Text(
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'You have saved Rs.${discount.toStringAsFixed(2)}',
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style: AppTypography.mono(11).copyWith(
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fontWeight: FontWeight.w700,
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color: AppColors.textPrimary,
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),
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),
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],
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),
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),
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],
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const _Dashes(),
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...txn.payments.map((p) =>
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_row(p.method.label, p.amount.toStringAsFixed(2))),
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if (txn.changeDue > 0)
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_row('Change', txn.changeDue.toStringAsFixed(2)),
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Center(
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child: Column(children: [
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Text('TAX INVOICE',
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style: AppTypography.mono(11)
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.copyWith(fontWeight: FontWeight.w700)),
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Text('xxxxxx Original for Recipient xxxxxx',
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style: AppTypography.mono(8)),
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]),
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),
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const SizedBox(height: AppSpacing.sm),
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if (txn.customer != null) ...[
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const _Dashes(),
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_row('Points earned', '+${txn.pointsEarned}'),
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_row('Membership', txn.customer!.tier.label),
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// -------------------------------------------------- meta
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_plain('Place of Supply & State Code: '
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'${AppConstants.stateCode} ${AppConstants.stateName}'),
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_plain('Customer Type: '
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'${txn.customer == null ? 'URD' : 'REG'}'),
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_row('Date:${Formatters.receiptStamp(txn.createdAt)}',
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'Bill No:${txn.invoiceNumber.split('-').last}'),
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_row(
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'Store:${AppConstants.storeCode} '
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'Cashier:${txn.cashierName}',
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'Pos:${AppConstants.posNumber}',
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),
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if (txn.customer != null)
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_plain('Customer: ${txn.customer!.name} '
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'${txn.customer!.mobile}'),
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const _Dashes(),
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// ------------------------------------------------- items
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Row(children: [
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Expanded(flex: 12, child: _bold('HSN')),
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Expanded(flex: 34, child: _bold('Item Description')),
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Expanded(
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flex: 16,
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child: _bold('Net Price', align: TextAlign.right)),
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Expanded(
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flex: 8, child: _bold('Qty', align: TextAlign.right)),
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Expanded(
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flex: 18,
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child: _bold('Value', align: TextAlign.right)),
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]),
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const SizedBox(height: 3),
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for (final slab in slabs) ...[
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Padding(
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padding: const EdgeInsets.only(top: 5, bottom: 2),
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child: Text(
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'${slab.index}) CGST @ ${slab.halfPercent} '
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'SGST @ ${slab.halfPercent}',
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style: AppTypography.mono(9).copyWith(
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fontWeight: FontWeight.w700,
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color: AppColors.textPrimary,
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),
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),
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),
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for (final line in slab.lines)
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Padding(
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padding: const EdgeInsets.symmetric(vertical: 1.5),
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child: Row(children: [
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Expanded(
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flex: 12,
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child: _cell(line.product.hsnCode ?? '-')),
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Expanded(
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flex: 34,
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child:
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_cell(line.product.name.toUpperCase())),
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Expanded(
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flex: 16,
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child: _cell(
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line.product.price.toStringAsFixed(2),
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align: TextAlign.right),
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),
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Expanded(
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flex: 8,
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child: _cell(_qty(line.quantity),
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align: TextAlign.right),
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),
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Expanded(
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flex: 18,
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child: _cell(line.payable.toStringAsFixed(2),
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align: TextAlign.right),
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),
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]),
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),
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],
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const _Dashes(),
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// ------------------------------------------------ totals
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_row('Items:${cart.lineCount}',
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'Qty:${_qty(cart.totalQuantity)} '
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'${cart.netAmount.toStringAsFixed(2)}'),
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const SizedBox(height: 3),
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_amount('Gross Sales Value', gross),
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if (discount > 0) _amount('Total Discount', discount),
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_amount(
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'Net Sales Value (Inclusive of GST)', cart.netAmount),
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if (cart.roundOff != 0)
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_amount('Round Off', cart.roundOff),
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_amount('Total Amount Paid', txn.total, bold: true),
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for (final p in txn.payments)
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_amount(p.method.label.toUpperCase(), p.amount),
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if (txn.changeDue > 0)
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_amount('Change Returned', txn.changeDue),
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Text('(AMOUNT INCLUSIVE OF APPLICABLE TAXES)',
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style: AppTypography.mono(8)),
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||||
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||||
const SizedBox(height: AppSpacing.md),
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|
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// ------------------------------------------- gst breakup
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Center(
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||||
child: Text('------GST Breakup Details------ Amount (INR)',
|
||||
style: AppTypography.mono(8.5)),
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||||
),
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const SizedBox(height: 4),
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Row(children: [
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Expanded(flex: 10, child: _bold('GST')),
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Expanded(
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flex: 20,
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child: _bold('Taxable', align: TextAlign.right)),
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Expanded(
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flex: 16,
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child: _bold('CGST', align: TextAlign.right)),
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Expanded(
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flex: 16,
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child: _bold('SGST', align: TextAlign.right)),
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Expanded(
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flex: 14,
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child: _bold('CESS', align: TextAlign.right)),
|
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Expanded(
|
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flex: 20,
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child: _bold('Total', align: TextAlign.right)),
|
||||
]),
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const SizedBox(height: 2),
|
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for (final s in slabs)
|
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Padding(
|
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padding: const EdgeInsets.symmetric(vertical: 1),
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||||
child: Row(children: [
|
||||
Expanded(flex: 10, child: _cell('${s.index}')),
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Expanded(
|
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flex: 20,
|
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child: _cell(s.taxable.toStringAsFixed(2),
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align: TextAlign.right)),
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Expanded(
|
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flex: 16,
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child: _cell(s.cgst.toStringAsFixed(2),
|
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align: TextAlign.right)),
|
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Expanded(
|
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flex: 16,
|
||||
child: _cell(s.sgst.toStringAsFixed(2),
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align: TextAlign.right)),
|
||||
Expanded(
|
||||
flex: 14,
|
||||
child: _cell('0.00', align: TextAlign.right)),
|
||||
Expanded(
|
||||
flex: 20,
|
||||
child: _cell(s.total.toStringAsFixed(2),
|
||||
align: TextAlign.right)),
|
||||
]),
|
||||
),
|
||||
const _Dashes(),
|
||||
Row(children: [
|
||||
Expanded(flex: 10, child: _bold('Total')),
|
||||
Expanded(
|
||||
flex: 20,
|
||||
child: _bold(
|
||||
slabs
|
||||
.fold(0.0, (a, s) => a + s.taxable)
|
||||
.toStringAsFixed(2),
|
||||
align: TextAlign.right)),
|
||||
Expanded(
|
||||
flex: 16,
|
||||
child: _bold(
|
||||
slabs
|
||||
.fold(0.0, (a, s) => a + s.cgst)
|
||||
.toStringAsFixed(2),
|
||||
align: TextAlign.right)),
|
||||
Expanded(
|
||||
flex: 16,
|
||||
child: _bold(
|
||||
slabs
|
||||
.fold(0.0, (a, s) => a + s.sgst)
|
||||
.toStringAsFixed(2),
|
||||
align: TextAlign.right)),
|
||||
Expanded(
|
||||
flex: 14,
|
||||
child: _bold('0.00', align: TextAlign.right)),
|
||||
Expanded(
|
||||
flex: 20,
|
||||
child: _bold(
|
||||
slabs
|
||||
.fold(0.0, (a, s) => a + s.total)
|
||||
.toStringAsFixed(2),
|
||||
align: TextAlign.right)),
|
||||
]),
|
||||
|
||||
const _Dashes(),
|
||||
_plain('TaxInvoice# ${txn.invoiceNumber}'),
|
||||
if (txn.customer != null)
|
||||
_plain('Loyalty Pts: earned ${txn.pointsEarned} '
|
||||
'Bal: ${txn.customer!.loyaltyPoints - txn.pointsRedeemed + txn.pointsEarned}'),
|
||||
_plain('Terms & Conditions Apply'),
|
||||
|
||||
const SizedBox(height: AppSpacing.lg),
|
||||
Center(
|
||||
child: Column(children: [
|
||||
_FakeBarcode(value: txn.invoiceNumber),
|
||||
const SizedBox(height: AppSpacing.sm),
|
||||
Text('Thank you for shopping with us!',
|
||||
style: AppTypography.mono(11)
|
||||
Text('* Thank You for Shopping with us *',
|
||||
style: AppTypography.mono(10)
|
||||
.copyWith(fontWeight: FontWeight.w700)),
|
||||
const SizedBox(height: 2),
|
||||
Text('Powered by Nearle POS',
|
||||
style: AppTypography.mono(9)),
|
||||
style: AppTypography.mono(8)),
|
||||
]),
|
||||
),
|
||||
],
|
||||
@@ -167,22 +326,97 @@ class ReceiptPreview extends StatelessWidget {
|
||||
);
|
||||
}
|
||||
|
||||
Widget _row(String label, String value) => Padding(
|
||||
padding: const EdgeInsets.symmetric(vertical: 1.5),
|
||||
String _qty(double q) =>
|
||||
q % 1 == 0 ? q.toStringAsFixed(0) : q.toStringAsFixed(3);
|
||||
|
||||
Widget _plain(String text) => Padding(
|
||||
padding: const EdgeInsets.symmetric(vertical: 0.8),
|
||||
child: Text(text, style: AppTypography.mono(9)),
|
||||
);
|
||||
|
||||
Widget _row(String left, String right) => Padding(
|
||||
padding: const EdgeInsets.symmetric(vertical: 0.8),
|
||||
child: Row(
|
||||
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
||||
children: [Text(label), Text(value)],
|
||||
children: [
|
||||
Flexible(
|
||||
child: Text(left,
|
||||
overflow: TextOverflow.ellipsis,
|
||||
style: AppTypography.mono(9)),
|
||||
),
|
||||
const SizedBox(width: AppSpacing.sm),
|
||||
Text(right, style: AppTypography.mono(9)),
|
||||
],
|
||||
),
|
||||
);
|
||||
|
||||
Widget _amount(String label, double value, {bool bold = false}) => Padding(
|
||||
padding: const EdgeInsets.symmetric(vertical: 1),
|
||||
child: Row(
|
||||
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
||||
children: [
|
||||
Flexible(
|
||||
child: Text(
|
||||
label,
|
||||
overflow: TextOverflow.ellipsis,
|
||||
style: AppTypography.mono(9.5).copyWith(
|
||||
fontWeight: bold ? FontWeight.w700 : FontWeight.w400,
|
||||
color: AppColors.textPrimary,
|
||||
),
|
||||
),
|
||||
),
|
||||
const SizedBox(width: AppSpacing.sm),
|
||||
Text(
|
||||
value.toStringAsFixed(2),
|
||||
style: AppTypography.mono(9.5).copyWith(
|
||||
fontWeight: bold ? FontWeight.w700 : FontWeight.w400,
|
||||
color: AppColors.textPrimary,
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
|
||||
Widget _bold(String text, {TextAlign align = TextAlign.left}) => Text(
|
||||
text,
|
||||
textAlign: align,
|
||||
style: AppTypography.mono(11.5).copyWith(
|
||||
maxLines: 1,
|
||||
overflow: TextOverflow.clip,
|
||||
style: AppTypography.mono(8.5).copyWith(
|
||||
fontWeight: FontWeight.w700,
|
||||
color: AppColors.textPrimary,
|
||||
),
|
||||
);
|
||||
|
||||
Widget _cell(String text, {TextAlign align = TextAlign.left}) => Text(
|
||||
text,
|
||||
textAlign: align,
|
||||
maxLines: 1,
|
||||
overflow: TextOverflow.ellipsis,
|
||||
style: AppTypography.mono(8.5),
|
||||
);
|
||||
}
|
||||
|
||||
/// One GST rate's slice of the bill, for the preview.
|
||||
class _PreviewSlab {
|
||||
const _PreviewSlab(this.index, this.rate, this.lines, this.factor);
|
||||
|
||||
final int index;
|
||||
final double rate;
|
||||
final List<CartLine> lines;
|
||||
final double factor;
|
||||
|
||||
String get halfPercent => '${(rate * 100 / 2).toStringAsFixed(2)}%';
|
||||
|
||||
double get total => lines.fold(0.0, (s, l) => s + l.payable * factor);
|
||||
|
||||
double get taxAmount => lines.fold(0.0, (s, l) => s + l.taxAmount * factor);
|
||||
|
||||
double get taxable => total - taxAmount;
|
||||
|
||||
double get cgst => taxAmount / 2;
|
||||
|
||||
double get sgst => taxAmount - cgst;
|
||||
}
|
||||
|
||||
class _Dashes extends StatelessWidget {
|
||||
|
||||
Reference in New Issue
Block a user