ambito/lib/src/pages/cart/cart_page.dart
2024-12-17 13:19:09 +01:00

337 lines
12 KiB
Dart

import 'dart:convert';
import 'dart:typed_data';
import 'package:ambito/src/entity/cart/cart_datasource.dart';
import 'package:ambito/src/entity/cart/cart_element.dart';
import 'package:ambito/src/entity/cart/cart_repository.dart';
import 'package:ambito/src/entity/measure/complete/measure_complete.dart';
import 'package:ambito/src/entity/measure/general/measure_general.dart';
import 'package:ambito/src/packages/ambito_theme/ambito_theme.dart';
import 'package:flutter/material.dart';
import 'package:flutter_to_pdf/export_delegate.dart';
import 'package:flutter_to_pdf/export_frame.dart';
import 'package:screen_breakpoints/screen_breakpoints.dart';
import 'package:screenshot/screenshot.dart';
import 'package:syncfusion_flutter_core/theme.dart';
import 'package:syncfusion_flutter_datagrid/datagrid.dart';
import 'package:syncfusion_flutter_datagrid_export/export.dart';
import 'package:syncfusion_flutter_pdf/pdf.dart';
import 'package:url_launcher/url_launcher.dart';
import '../../consts/consts.dart';
import '../../entity/_general/id_value/id_value.dart';
import '../../entity/cart/cart.dart';
import '../../entity/measure/general/measure_general_repository.dart';
import '../../widgets/buttons/print_all_button.dart';
import '../../widgets/buttons/print_button.dart';
import '../../widgets/page/base_page.dart';
class CartPage extends StatefulWidget {
const CartPage({super.key, required this.measure});
final MeasureComplete? measure;
@override
State<StatefulWidget> createState() => CartPageState();
}
class CartPageState extends State<CartPage> {
List<Cart>? carts;
Widget cartCards = const SizedBox();
final ExportDelegate exportDelegate = ExportDelegate(
ttfFonts: {
'OpenSans': 'fonts/OpenSans-Regular.ttf',
'OpenSans_regular': 'fonts/OpenSans-Regular.ttf',
'OpenSans_500': 'fonts/OpenSans-Bold.ttf',
},
);
final ScreenshotController screenshotController = ScreenshotController();
Uint8List? _imageFile;
final DataGridController _dataGridController = DataGridController();
@override
void initState() {
super.initState();
}
@override
Widget build(BuildContext context) {
final AmbitoTheme theme = getTheme(context);
carts = CartRepository().getMyCarts();
return BasePage().getPage(
context,
BreakpointBuilder(
builder: (
context,
breakpoint,
configuration,
) {
return SingleChildScrollView(
child: Center(
child: Screenshot(
controller: screenshotController,
child: SizedBox(
width: Breakpoint.fromContext(context).width,
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
theme.verticalSpacer,
Text(
'Warenkorb',
style: theme.headlineLarge,
textAlign: TextAlign.start,
),
theme.verticalSpacerSmall,
Row(
mainAxisSize: MainAxisSize.max,
mainAxisAlignment: MainAxisAlignment.end,
children: [
const Spacer(),
PrintAllButton(
onPressed: () async {
screenshotController.capture();
},
),
],
),
theme.verticalSpacerSmall,
buildCards(theme, carts),
],
),
),
),
),
);
},
),
);
}
Future<void> saveFile(document, String name) async {}
Widget buildCards(AmbitoTheme theme, List<Cart>? carts) {
List<Widget> children = [];
if (carts != null) {
for (final cart in carts) {
final measure = MeasureGeneralRepository().getByName(cart.name!);
final elements = CartRepository().getElementsByCartId(cart.id);
double sum = 0;
final GlobalKey<SfDataGridState> key = GlobalKey<SfDataGridState>();
for (final element in elements) {
sum = sum +
((int.tryParse(element.amount ?? '1') ?? 1) *
(double.tryParse(element.price ?? '0') ?? 0));
}
final card = SizedBox(
width: 1152,
child: Card(
elevation: 0,
color: theme.currentColorScheme.tertiary,
child: Padding(
padding: const EdgeInsets.all(20),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Text(
cart.name!,
style: theme.labelLarge
.copyWith(color: theme.currentColorScheme.primary),
),
const Spacer(),
SizedBox(
height: 40,
width: 200,
child: ClipRRect(
borderRadius: const BorderRadius.all(
Radius.circular(10),
),
child: measure?.getFullImage() ??
Image.asset('assets/images/logo_trans.png'),
),
),
],
),
theme.verticalSpacerSmall,
gridWidget(elements, key),
theme.verticalSpacer,
Row(
children: [
Text(
'Richtpreis ca. ${sum.toStringAsFixed(2)}',
style: theme.labelMedium
.copyWith(fontWeight: FontWeight.bold),
),
Spacer(),
PrintButton(
onPressed: () async {
PdfDocument document =
key.currentState!.exportToPdfDocument(
headerFooterExport:
(DataGridPdfHeaderFooterExportDetails
headerFooterExport) {
final double width = headerFooterExport.pdfPage
.getClientSize()
.width;
final PdfPageTemplateElement header =
PdfPageTemplateElement(
Rect.fromLTWH(0, 0, width, 65));
header.graphics.drawString(
'Warenkorb für "${cart.name!}"',
PdfStandardFont(PdfFontFamily.helvetica, 13,
style: PdfFontStyle.bold),
bounds: const Rect.fromLTWH(0, 25, 400, 60),
);
headerFooterExport.pdfDocumentTemplate.top =
header;
},
cellExport: (details) {
if (details.cellType ==
DataGridExportCellType.row &&
details.columnName == 'Anbieter') {
if (details.cellValue.toString() == '[]') {
details.pdfCell.value = '-';
} else {
List<String> values = [];
for (IdValue idValue
in (details.cellValue as List<IdValue>)) {
values.add(idValue.value ?? '');
}
logger.d(values.join(', '));
details.pdfCell.value = values.join(', ');
}
}
},
fitAllColumnsInOnePage: true,
);
final List<int> bytes = document.saveSync();
launchUrl(Uri.parse(
"data:application/octet-stream;base64,${base64Encode(bytes)}"));
},
),
],
)
],
),
),
),
);
children.add(card);
children.add(theme.verticalSpacerMax);
}
}
return ExportFrame(
frameId: 'completeCart',
exportDelegate: exportDelegate,
child: Column(
children: children,
),
);
}
Widget gridWidget(
List<CartElement> cartElements, GlobalKey<SfDataGridState> key) {
final AmbitoTheme theme = getTheme(context);
return SfDataGridTheme(
data: SfDataGridThemeData(
headerColor: theme.currentColorScheme.primaryContainer,
sortIcon: Icon(
Icons.keyboard_arrow_down,
color: theme.currentColorScheme.primary,
),
),
child: SfDataGrid(
controller: _dataGridController,
key: key,
allowSorting: true,
allowEditing: true,
selectionMode: SelectionMode.single,
editingGestureType: EditingGestureType.doubleTap,
navigationMode: GridNavigationMode.cell,
source: CartDataSource(
cartElements: cartElements,
context: context,
controller: _dataGridController),
columnWidthMode: ColumnWidthMode.fill,
columns: [
GridColumn(
columnName: 'Material',
allowEditing: true,
label: Container(
padding: const EdgeInsets.symmetric(horizontal: 10.0),
alignment: Alignment.centerLeft,
child: Text(
'Material',
overflow: TextOverflow.ellipsis,
style: theme.bodyMedium.copyWith(
color: theme.currentColorScheme.primary,
),
),
),
),
GridColumn(
columnName: 'Menge',
maximumWidth: 150,
allowEditing: true,
label: Container(
padding: const EdgeInsets.symmetric(horizontal: 10.0),
alignment: Alignment.centerLeft,
child: Text(
'Menge',
overflow: TextOverflow.ellipsis,
style: theme.bodyMedium.copyWith(
color: theme.currentColorScheme.primary,
),
),
),
),
GridColumn(
columnName: 'Anbieter',
maximumWidth: 200,
allowSorting: false,
allowEditing: false,
label: Container(
padding: const EdgeInsets.symmetric(horizontal: 10.0),
alignment: Alignment.centerLeft,
child: Text(
'Anbieter',
overflow: TextOverflow.ellipsis,
style: theme.bodyMedium.copyWith(
color: theme.currentColorScheme.primary,
),
),
),
),
GridColumn(
columnName: 'Richtpreis',
allowSorting: true,
allowEditing: false,
maximumWidth: 250,
label: Container(
padding: const EdgeInsets.symmetric(horizontal: 10.0),
alignment: Alignment.centerLeft,
child: Text(
'Richtpreis',
overflow: TextOverflow.ellipsis,
style: theme.bodyMedium.copyWith(
color: theme.currentColorScheme.primary,
),
),
),
),
],
),
);
}
}