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receipt print release

null-safety-migration
error500 2021-10-15 11:50:08 +06:00
parent ae272604b6
commit 1a9958e84f
8 changed files with 293 additions and 104 deletions
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4
android/app/build.gradle
View File

@ -32,7 +32,7 @@ if (keystorePropertiesFile.exists()) {
}
android {
compileSdkVersion 30
compileSdkVersion 31
sourceSets {
main.java.srcDirs += 'src/main/kotlin'
@ -53,7 +53,7 @@ android {
// TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
applicationId "kz.com.aman.satu"
minSdkVersion 21
targetSdkVersion 30
targetSdkVersion 31
versionCode flutterVersionCode.toInteger()
versionName flutterVersionName
// multiDexEnabled true

4
lib/core/entity/goods_entity.dart
View File

@ -1,3 +1,5 @@
import 'package:satu/core/utils/utils_parse.dart';
const String goodTableName = 'goods';
const String GoodColumnId = 'id';
const String GoodColumnCategoryId = 'category_id';
@ -22,7 +24,7 @@ class Good {
ean = map[GoodColumnEan] as String;
appCompanyId = map[GoodColumnAppCompanyId] as int;
optPrice = map[GoodColumnOptPrice] as num;
basePrice = map[GoodColumnBasePrice] as num;
basePrice = cast<num>(map[GoodColumnBasePrice]);
divisible = map[GoodColumnDivisible] as int;
updatedAt = map[GoodColumnUpdatedAt] as String;
}

11
lib/core/services/data_service.dart
View File

@ -25,7 +25,7 @@ class DataService extends BaseService {
final DialogService _dialogService = locator<DialogService>();
Future<bool> sellBtnHandler(
Future<TransactionData?> sellBtnHandler(
{double card = 0, double nal = 0, double total = 0}) async {
final SellRequest request = SellRequest();
final SellState sellState = Redux.store!.state.sellState!;
@ -46,9 +46,9 @@ class DataService extends BaseService {
final SellResponse response = await _api.sell(request);
if (response.operation == false) {
_dialogService.showDialog(description: response.message);
return false;
return null;
}
await _updateTransaction(
final TransactionData transactionData = await _updateTransaction(
transactionState: transactionState,
total: total,
card: card,
@ -56,10 +56,10 @@ class DataService extends BaseService {
sellResponse: response);
await Redux.store!.dispatch(loadSellData);
return true;
return transactionData;
}
Future<void> _updateTransaction(
Future<TransactionData> _updateTransaction(
{required TransactionState transactionState,
required double card,
required double nal,
@ -83,6 +83,7 @@ class DataService extends BaseService {
transaction.data = jsonEncode(data.toMap());
log.i(jsonEncode(data.toMap()));
await _db.update(transactionTableName, transaction.toMap());
return data;
}
ItemBean _productToItemBean(ProductDao product) {

161
lib/core/utils/pos_printer.dart
View File

@ -1,3 +1,4 @@
import 'dart:io';
import 'dart:typed_data';
import 'package:charset_converter/charset_converter.dart';
@ -5,81 +6,149 @@ import 'package:esc_pos_bluetooth/esc_pos_bluetooth.dart';
import 'package:esc_pos_utils/esc_pos_utils.dart';
import 'package:flutter/services.dart';
import 'package:flutter_bluetooth_basic/flutter_bluetooth_basic.dart';
import 'package:image/image.dart';
import 'package:image/image.dart' as Im;
import 'package:qr_flutter/qr_flutter.dart';
import 'package:satu/core/models/flow/check_bean.dart';
import 'package:satu/core/models/flow/check_row_bean.dart';
import 'package:satu/core/models/settings/printer_setting.dart';
Future<List<int>> getReceipt(String encoding, String paperSize) async {
Future<List<int>> getTestReceipt(String encoding, String paperSize) async {
final CheckBean checkBean = CheckBean();
final CheckRowBean rowBean1 = CheckRowBean();
rowBean1.text = 'Тестовый чек';
rowBean1.center = true;
final CheckRowBean rowBean2 = CheckRowBean();
rowBean2.text = ['Левая сторона', 'Правая сторона'];
rowBean2.center = true;
checkBean.rows.add(rowBean1);
checkBean.rows.add(CheckRowBean()..text='{br}'..center=true);
checkBean.rows.add(CheckRowBean()..text='{line}'..center=true);
checkBean.rows.add(CheckRowBean()..text='{br}'..center=true);
checkBean.rows.add(rowBean2);
checkBean.rows.add(CheckRowBean()..text='{br}'..center=true);
checkBean.rows.add(CheckRowBean()..text='{line}'..center=true);
checkBean.qr = 'test qr data';
return await _generateReceipt(encoding, paperSize, checkBean);
}
Future<List<int>> getReceipt(
String encoding, String paperSize, CheckBean checkBean) async {
return await _generateReceipt(encoding, paperSize, checkBean);
}
Future<List<int>> _generateReceipt(
String encoding, String paperSize, CheckBean checkBean) async {
List<int> bytes = [];
final profile = await CapabilityProfile.load();
final generator = Generator(
paperSize == PrinterConst.paperSize58mm ? PaperSize.mm58 : PaperSize.mm80,
profile,
);
String codeTable = 'CP866';
if (encoding == PrinterConst.encodingCP866) {
codeTable = 'CP866';
} else if (encoding == PrinterConst.encodingCP1251) {
codeTable = 'CP1251';
}
List<int> bytes = [];
generator.setGlobalCodeTable(codeTable);
for (CheckRowBean row in checkBean.rows) {
String type = row.text.runtimeType.toString();
final bool isList = type == 'List<dynamic>' || type == 'List<String>';
final bool isNull = type == 'Null';
final bool isString = type == 'String';
final bool center = row.center;
if (isNull) {
continue;
}
if (isString) {
String text = row.text as String;
text = text.replaceAll('&laquo;', '«');
text = text.replaceAll('&raquo;', '»');
final bool isLine = '{line}' == text;
final bool isBr = '{br}' == text;
if (isBr) {
bytes += generator.feed(1);
} else if (isLine) {
bytes += generator.hr();
} else {
final Uint8List firstCol =
await CharsetConverter.encode(encoding.toLowerCase(), 'Тестовый чек');
bytes += generator.textEncoded(firstCol);
bytes +=
generator.text('CENTER', styles: const PosStyles(align: PosAlign.center));
bytes += generator.text('Right',
styles: const PosStyles(align: PosAlign.right), linesAfter: 1);
await CharsetConverter.encode(encoding.toLowerCase(), text);
bytes += generator.textEncoded(firstCol,
styles: PosStyles(align: center ? PosAlign.center : PosAlign.left));
}
}
if (isList) {
final List<dynamic> list = row.text as List<dynamic>;
if (list.length == 2) {
final Uint8List firstCol = await CharsetConverter.encode(
encoding.toLowerCase(), list[0] as String);
final Uint8List secondCol = await CharsetConverter.encode(
encoding.toLowerCase(), list[1] as String);
bytes += generator.row([
PosColumn(
text: 'col3',
width: 3,
styles: const PosStyles(align: PosAlign.center, underline: true),
),
PosColumn(
text: 'col6',
textEncoded: firstCol,
width: 6,
styles: const PosStyles(align: PosAlign.center, underline: true),
styles: const PosStyles(align: PosAlign.left, underline: true),
),
PosColumn(
text: 'col3',
width: 3,
styles: const PosStyles(align: PosAlign.center, underline: true),
textEncoded: secondCol,
width: 6,
styles: const PosStyles(align: PosAlign.right, underline: true),
),
]);
}
}
bytes += generator.text(
'Text size 200%',
styles: const PosStyles(
height: PosTextSize.size2,
width: PosTextSize.size2,
),
);
print('${row.text.runtimeType}, ${row.text}');
}
if (checkBean.qr != null) {
bytes += generator.feed(2);
const double qrSize = 200;
try {
final ByteData? uiImg = await QrPainter(
data: checkBean.qr!,
version: QrVersions.auto,
gapless: true,
).toImageData(qrSize);
final img = Im.decodePng(uiImg!.buffer.asUint8List());
bytes += generator.image(img!);
} catch (e) {
print(e);
}
// Print barcode
final List<int> barData = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 4];
bytes += generator.barcode(Barcode.upcA(barData));
}
bytes += generator.feed(2);
bytes += generator.cut();
return bytes;
}
Future<List<int>> getReceiptImg(String paperSize) async {
Future<List<int>> getTestReceiptImg(String paperSize) async {
final ByteData data =
await rootBundle.load('assets/images/aman_kassa_check.png');
final Uint8List imgBytes = data.buffer.asUint8List();
return _getReceiptImg(paperSize, imgBytes);
}
Future<List<int>> getReceiptImg(String paperSize, Uint8List imgBytes) async {
return _getReceiptImg(paperSize, imgBytes);
}
Future<List<int>> _getReceiptImg(String paperSize, Uint8List imgBytes) async {
final profile = await CapabilityProfile.load();
final generator = Generator(
paperSize == PrinterConst.paperSize58mm ? PaperSize.mm58 : PaperSize.mm80,
profile,
);
List<int> bytes = [];
final ByteData data =
await rootBundle.load('assets/images/aman_kassa_check.png');
final Uint8List imgBytes = data.buffer.asUint8List();
final Image? image = decodeImage(imgBytes);
final Im.Image? image = Im.decodeImage(imgBytes);
// Using `ESC *`
bytes += generator.image(image!);
bytes += generator.feed(2);
@ -87,6 +156,22 @@ Future<List<int>> getReceiptImg(String paperSize) async {
return bytes;
}
int getChunkSize() {
final bool isIos = Platform.isIOS;
if (isIos) {
return 75;
}
return 1024;
}
int getQueueSleep() {
final bool isIos = Platform.isIOS;
if (isIos) {
return 10;
}
return 100;
}
BluetoothDevice printerDeviceToBluetoothDevice(PrinterDevice device) {
return BluetoothDevice()
..name = device.name

35
lib/views/settings/printer_bluetooth/printer_view.dart
View File

@ -34,7 +34,7 @@ class _PrinterViewState extends State<PrinterView> {
super.initState();
}
void printTest() async {
void print() async {
setState(() {
printerLocked = true;
});
@ -45,40 +45,29 @@ class _PrinterViewState extends State<PrinterView> {
printerDeviceToBluetoothDevice(printerSetting.device!),
),
);
final int chunkSizeBytes = getChunkSize();
final int queueSleepTimeMs = getQueueSleep();
bool isIos = Platform.isIOS;
int chunkSizeBytes = 3096;
int queueSleepTimeMs = 100;
if (isIos) {
chunkSizeBytes = 75;
queueSleepTimeMs = 10;
}
List<int> data = List.empty();
if (PrinterConst.encodingBigEncoding == printerSetting.encoding) {
PosPrintResult printResult = await printerManager.writeBytes(
await getReceiptImg(
data = await getTestReceiptImg(
printerSetting.paperSize!,
),
chunkSizeBytes: chunkSizeBytes,
queueSleepTimeMs: queueSleepTimeMs,
);
if(printResult.value != 1) {
_dialogService.showDialog(description: printResult.msg);
}
} else {
PosPrintResult printResult = await printerManager.writeBytes(
await getReceipt(
data = await getTestReceipt(
printerSetting.encoding!,
printerSetting.paperSize!,
),
);
}
final PosPrintResult printResult = await printerManager.writeBytes(
data,
chunkSizeBytes: chunkSizeBytes,
queueSleepTimeMs: queueSleepTimeMs,
);
if (printResult.value != 1) {
_dialogService.showDialog(description: printResult.msg);
}
}
} finally {
await Future.delayed(const Duration(seconds: 7));
setState(() {
@ -99,7 +88,7 @@ class _PrinterViewState extends State<PrinterView> {
final bool success =
snapshot.device != null && printerLocked == false;
return IconButton(
onPressed: success ? printTest : null,
onPressed: success ? print : null,
icon: Icon(
Icons.print,
color: success ? textColor : placeholderColor,

12
lib/views/work/views/payment/payment_view.dart
View File

@ -1,11 +1,13 @@
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_redux/flutter_redux.dart';
import 'package:satu/core/models/entity_data/transaction_data.dart';
import 'package:satu/core/redux/state/sell_state.dart';
import 'package:satu/core/redux/store.dart';
import 'package:satu/core/services/navigator_service.dart';
import 'package:satu/core/utils/locator.dart';
import 'package:satu/core/utils/utils_parse.dart';
import 'package:satu/routes/route_names.dart';
import 'package:satu/shared/app_colors.dart';
import 'package:satu/core/services/data_service.dart';
import 'package:satu/views/work/views/payment/component/combine_dock.dart';
@ -135,7 +137,10 @@ class _PaymentViewState extends State<PaymentView> {
padding:
const EdgeInsets.symmetric(horizontal: 45, vertical: 30),
child: BusyButton(
title: 'ОПЛАТА', busy: loading, onPressed: _payment),
title: 'ОПЛАТА',
busy: loading,
onPressed: _payment,
),
),
],
),
@ -161,10 +166,11 @@ class _PaymentViewState extends State<PaymentView> {
nal = _cashSum;
}
final bool result =
final TransactionData? transactionData =
await _dataService.sellBtnHandler(card: card, nal: nal, total: _sum);
if(result) {
if (transactionData !=null) {
_navigatorService.pop();
_navigatorService.push(receiptViewRoute, arguments: transactionData);
}
setState(() {
loading = false;

99
lib/views/work/views/receipt/receipt_view.dart
View File

@ -1,12 +1,20 @@
import 'dart:convert';
import 'dart:io';
import 'package:esc_pos_bluetooth/esc_pos_bluetooth.dart';
import 'package:flutter/material.dart';
import 'package:flutter_redux/flutter_redux.dart';
import 'package:satu/core/models/entity_data/transaction_data.dart';
import 'package:satu/core/models/flow/sell_response.dart';
import 'package:satu/core/models/settings/printer_setting.dart';
import 'package:satu/core/redux/store.dart';
import 'package:satu/core/services/dialog_service.dart';
import 'package:satu/core/utils/locator.dart';
import 'package:satu/core/utils/pos_printer.dart';
import 'package:satu/shared/app_colors.dart';
import 'package:satu/widgets/bar/products_app_bar.dart';
class ReceiptView extends StatelessWidget {
class ReceiptView extends StatefulWidget {
const ReceiptView({
required this.transactionData,
Key? key,
@ -14,23 +22,106 @@ class ReceiptView extends StatelessWidget {
final TransactionData transactionData;
@override
State<ReceiptView> createState() => _ReceiptViewState();
}
class _ReceiptViewState extends State<ReceiptView> {
final DialogService _dialogService = locator<DialogService>();
PrinterBluetoothManager printerManager = PrinterBluetoothManager();
bool printerLocked = false;
void print() async {
setState(() {
printerLocked = true;
});
try {
PrinterSetting printerSetting = Redux.store!.state.settingState!.printer!;
printerManager.selectPrinter(
PrinterBluetooth(
printerDeviceToBluetoothDevice(printerSetting.device!),
),
);
final int chunkSizeBytes = getChunkSize();
final int queueSleepTimeMs = getQueueSleep();
List<int> data = List.empty();
if (PrinterConst.encodingBigEncoding == printerSetting.encoding) {
data = await getReceiptImg(
printerSetting.paperSize!,
base64Decode(widget.transactionData.sellResponse!.checkPng!),
);
} else {
data = await getReceipt(
printerSetting.encoding!,
printerSetting.paperSize!,
widget.transactionData.sellResponse!.check!
);
}
final PosPrintResult printResult = await printerManager.writeBytes(
data,
chunkSizeBytes: chunkSizeBytes,
queueSleepTimeMs: queueSleepTimeMs,
);
if (printResult.value != 1) {
_dialogService.showDialog(description: printResult.msg);
}
} finally {
await Future.delayed(const Duration(seconds: 7));
setState(() {
printerLocked = false;
});
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: whiteColor,
appBar: const ProductsAppBar(
appBar: ProductsAppBar(
title: 'Просмотр чека',
actions: [
StoreConnector<AppState, PrinterSetting>(
converter: (store) => store.state.settingState!.printer!,
builder: (context, snapshot) {
final bool success =
snapshot.device != null && printerLocked == false;
return IconButton(
onPressed: success ? print : null,
icon: Icon(
Icons.print,
color: success ? textColor : placeholderColor,
),
);
},
)
],
),
body: Column(
children: [
Expanded(
child: SingleChildScrollView(
physics: const BouncingScrollPhysics(),
child: Center(child: imageFromBase64String(transactionData.sellResponse)),
child: Center(
child:
imageFromBase64String(widget.transactionData.sellResponse),
),
),
)
],
));
),
floatingActionButton: FloatingActionButton(
onPressed: () {
// Add your onPressed code here!
},
backgroundColor: successColor,
child: const Icon(
Icons.share_rounded,
size: 20,
),
),
);
}
}

15
lib/views/work/views/share/share_view.dart Normal file
View File

@ -0,0 +1,15 @@
import 'package:flutter/material.dart';
import 'package:satu/widgets/bar/products_app_bar.dart';
class ShareView extends StatelessWidget {
const ShareView({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return const Scaffold(
appBar: ProductsAppBar(
title: 'Поделится',
),
);
}
}