Files
flutter_wisetronic/lib/utils/util_web.dart
2022-03-10 00:47:26 -05:00

328 lines
9.9 KiB
Dart

import 'dart:html';
import 'dart:typed_data';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:hive/hive.dart';
import 'package:hive_flutter/hive_flutter.dart';
import 'package:url_launcher/url_launcher.dart';
import '../constants.dart';
import '../events/eventbus.dart';
import '../events/events.dart';
import '../generated/l10n.dart';
import '../models/comment.dart' as mComment;
import '../models/order.dart';
import '../models/payment_platform.dart';
import '../models/stripe_payment_method.dart';
import '../models/user.dart';
import '../store/actions.dart';
import '../store/store.dart';
import '../pages/stripe_pay_web.dart';
import 'http_util.dart';
import 'utils.dart';
typedef void OnGotFile(int imageId, String filePath);
class Util {
static final Util _instance = Util._internal();
factory Util() {
return _instance;
}
Util._internal();
init() {
}
static Future<Box> getBox() async {
Hive.initFlutter();
Box box = await Hive.openBox('wisetronic_app_data');
return box;
}
static Widget showImage(String imageUrl, {double width, double height,
BoxFit fit, Widget Function(BuildContext, String, dynamic) errorWidget}) {
return Image.network(imageUrl,
fit: fit,
width: width,
height: height,
cacheWidth: width != null ? width.round() : null,
cacheHeight: height != null ? height.round() : null,
loadingBuilder: (BuildContext context, Widget child, ImageChunkEvent loadingProgress) {
if (loadingProgress == null) return child;
return Center(
child: Utils.imageLoadingIndicator(),
);
},
errorBuilder: (BuildContext context, Object object, StackTrace stackTrace) {
print('StackTrace: $stackTrace');
if (errorWidget != null) {
return errorWidget(context, null, null);
}
return Image.asset(
'assets/images/not_found.png',
width: width,
height: height,
fit: fit,
);
},
);
}
static void openWebUrl(BuildContext context, String link) async {
var url = 'https://${link}';
if (await canLaunch(url)) {
await launch('$url');
} else {
print('Could not launch $url');
}
}
AlertDialog getPicture(BuildContext context, User user, {int commentId = -1, int orderId = 0}) {
return AlertDialog(
title: Text(S.of(context).please_select),
content: Text(S.of(context).please_select_an_image),
actions: <Widget>[
TextButton(
child: Text(S.of(context).cancel),
onPressed: () {
Navigator.of(context).pop();
},
),
TextButton(
child: Text(S.of(context).select, style: TextStyle(color: Colors.white),),
style: TextButton.styleFrom(
backgroundColor: Theme.of(context).primaryColor,
),
onPressed: () {
Navigator.of(context).pop();
startFilePicker(context, user, commentId: commentId, orderId: orderId);
},
),
],
);
}
void startFilePicker(BuildContext context, User user, {int commentId = -1, int orderId = 0}) async {
InputElement uploadInput = FileUploadInputElement();
uploadInput.click();
uploadInput.onChange.listen((e) {
final files = uploadInput.files;
if (files.length >= 1) {
final File file = files[0];
final FileReader reader = new FileReader();
reader.onLoadEnd.listen((e) {
uploadPicture(context, reader.result, file.name, user, commentId: commentId, orderId: orderId);
});
reader.onError.listen((e) {
Fluttertoast.showToast(
msg: S.of(context).error_read_file,
toastLength: Toast.LENGTH_SHORT,
gravity: ToastGravity.CENTER,
backgroundColor: Colors.black54,
textColor: Colors.white
);
});
reader.readAsArrayBuffer(file);
}
});
}
void uploadPicture(BuildContext context, Uint8List fileBytes, String fileName, User user, {int commentId = -1, int orderId = 0}) {
MultipartFile imageFile = MultipartFile.fromBytes(fileBytes, filename: fileName);
Map<String, dynamic> formMap = {
'id': user.id,
'file': imageFile,
};
if (commentId >= 0) {
formMap = {
'contact_id': user.id,
'comment_id': commentId,
'order_id': orderId,
'file': imageFile,
};
HttpUtil.httpPost(
'v1/upload-comment-image',
(response) {
eventBus.fire(new OnCommentUpdatedEvent(mComment.Comment.fromJson(response.data)));
},
isFormData: true,
body: formMap,
sendProgress: (int sent, int total) {
if (sent == total) {
eventBus.fire(OnUploadCommentImageProgressEvent(false, 0.0));
} else {
eventBus.fire(OnUploadCommentImageProgressEvent(true, sent / total));
}
},
).catchError((error) {
Utils.showMessageDialog(context, error);
});
} else {
HttpUtil.httpPost(
'v1/upload-avatar',
(response) {
store.dispatch(new UpdateCurrentUser(User.fromJson(response.data)));
eventBus.fire(new OnCurrentUserUpdated());
},
isFormData: true,
body: formMap,
sendProgress: (int sent, int total) {
if (sent == total) {
eventBus.fire(OnProgressEvent(false, 0.0));
} else {
eventBus.fire(OnProgressEvent(true, sent / total));
}
},
).catchError((error) {
Utils.showMessageDialog(context, error);
});
}
}
AlertDialog getPicture2(BuildContext context, int imageId, OnGotFile onGotFile) {
return AlertDialog(
title: Text(S.of(context).please_select),
content: Text(S.of(context).please_select_an_image),
actions: <Widget>[
TextButton(
child: Text(S.of(context).cancel),
onPressed: () {
Navigator.of(context).pop();
},
),
TextButton(
child: Text(S.of(context).select, style: TextStyle(color: Colors.white),),
style: TextButton.styleFrom(
backgroundColor: Theme.of(context).primaryColor,
),
onPressed: () {
Navigator.of(context).pop();
startFilePicker2(context, imageId, onGotFile);
},
),
],
);
}
void startFilePicker2(BuildContext context, int imageId, OnGotFile onGotFile) async {
final _image = await WebImagePicker().pickImage();
onGotFile(imageId, _image.dataScheme);
}
void createTicket(BuildContext context, String msg, List<Map<String, dynamic>> images,
OnSuccess onSuccess, OnError onError, {int id}) {
var formData = FormData();
formData.fields.add(MapEntry("msg", msg));
formData.fields.add(MapEntry('id', id == null ? '0' : id.toString()));
for (int i = 0; i < images.length; i++) {
String imagePath = images[i]['path'];
if (imagePath.isNotEmpty) {
// (formMap['images'] as List).add(imagePath);
formData.fields.add(MapEntry('images', imagePath));
}
}
HttpUtil.httpPost('create-new-ticket-web/', (response) {
if (onSuccess != null) {
onSuccess(response);
}
},
isFormData: true,
// body: formMap,
formData: formData,
sendProgress: (int sent, int total) {
if (sent == total) {
eventBus.fire(OnSubmitProgressEvent(false, 100.0));
} else {
eventBus.fire(OnSubmitProgressEvent(true, sent / total * 100.0));
}
},
businessId: Constants.BUSINESS_ID,
).catchError((error) {
if (onError != null) {
onError(error);
}
});
}
static void goPayment(BuildContext context, Order order,
PaymentPlatform paymentPlatform, {
bool googlePay=false,
bool applePay=false,
StripePaymentMethod stripePaymentMethod,
}) {
switch(paymentPlatform.code) {
case Constants.PAYMENT_METHOD_CODE_SQUARE:
break;
case Constants.PAYMENT_METHOD_CODE_CHASE:
break;
case Constants.PAYMENT_METHOD_CODE_PAYPAL:
break;
case Constants.PAYMENT_METHOD_CODE_OTT_ALIPAY:
break;
case Constants.PAYMENT_METHOD_CODE_OTT_WECHATPAY:
break;
case Constants.PAYMENT_METHOD_CODE_POD:
break;
case Constants.PAYMENT_METHOD_CODE_STRIPE:
Navigator.pushReplacement(context, MaterialPageRoute(
builder: (BuildContext context) {
return StripePayWeb(order, paymentPlatform, stripePaymentMethod: stripePaymentMethod,);
}
));
break;
}
}
Widget getNativePay(BuildContext context, Order order, PaymentPlatform paymentPlatform) {
return SizedBox.shrink();
}
static Future<Uint8List> getBytesFromAsset(String path, int width) async {
return Uint8List(0);
}
}
class ImageInfo {
String name;
String data;
String dataScheme;
String path;
}
class WebImagePicker {
Future<ImageInfo> pickImage() async {
print('pickImage');
final ImageInfo data = ImageInfo();
final FileUploadInputElement input = FileUploadInputElement();
document.body.children.add(input);
input..accept = 'image/*';
input.click();
await input.onChange.first;
if (input.files.isEmpty) return null;
final reader = FileReader();
reader.readAsDataUrl(input.files[0]);
await reader.onLoad.first;
final encoded = reader.result as String;
// remove data:image/*;base64 preambule
final stripped =
encoded.replaceFirst(RegExp(r'data:image/[^;]+;base64,'), '');
//final imageBase64 = base64.decode(stripped);
final imageName = input.files?.first?.name;
final imagePath = input.files?.first?.relativePath;
data.name = imageName;
data.data = stripped;
data.dataScheme = encoded;
data.path = imagePath;
return data;
}
}