mobile_skt/lib/screens/sale_quotation/sale_quotation.controller.dart

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2024-10-16 09:48:17 +08:00
import 'dart:convert';
import 'dart:io';
import 'package:decimal/decimal.dart';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:math_expressions/math_expressions.dart';
import 'package:open_filex/open_filex.dart';
import 'package:path_provider/path_provider.dart';
import 'package:sk_base_mobile/apis/api.dart';
import 'package:sk_base_mobile/app_theme.dart';
import 'package:sk_base_mobile/config.dart';
import 'package:sk_base_mobile/constants/constants.dart';
import 'package:sk_base_mobile/models/base_search_more_controller.dart';
import 'package:sk_base_mobile/models/sale_quotaion_component.model.dart';
import 'package:sk_base_mobile/models/sale_quotaion_group.model.dart';
import 'package:sk_base_mobile/models/sale_quotation.model.dart';
import 'package:sk_base_mobile/models/sale_quotation_template.model.dart';
import 'package:sk_base_mobile/models/workbench.model.dart';
import 'package:sk_base_mobile/router/router.util.dart';
import 'package:sk_base_mobile/screens/sale_quotation/components/sale_quotation_group_search.dart';
import 'package:sk_base_mobile/services/dio.service.dart';
import 'package:sk_base_mobile/services/storage.service.dart';
import 'package:sk_base_mobile/util/common.util.dart';
import 'package:sk_base_mobile/util/loading_util.dart';
import 'package:sk_base_mobile/util/logger_util.dart';
import 'package:sk_base_mobile/util/snack_bar.util.dart';
import 'package:sk_base_mobile/widgets/core/sk_flat_button.dart';
import 'package:sk_base_mobile/widgets/core/sk_ink.dart';
import 'package:sk_base_mobile/widgets/form_item/sk_multi_search_more.dart';
import 'package:sk_base_mobile/util/modal.util.dart';
import 'package:sk_base_mobile/util/screen_adaper_util.dart';
import 'package:pinyin/pinyin.dart';
import 'package:sk_base_mobile/widgets/form_item/sk_text_input.dart';
import 'package:sk_base_mobile/widgets/loading_indicator.dart';
class SaleQuotationController extends GetxController {
static SaleQuotationController get to => Get.find();
final RxList editingcell = RxList([null, null, null]);
final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey<ScaffoldState>();
RxList<SaleQuotationModel> groups = RxList<SaleQuotationModel>([]);
RxDouble totalCost = RxDouble(0.0);
RxDouble totalPrice = RxDouble(0.0);
RxBool isFormulaEditing = false.obs;
RxString formula = '成本 * 1.3 / 0.864'.obs;
RxList<SaleQuotationTemplateModel> templates = RxList([]);
final List<WorkBenchModel> menus = [];
RxString templateName = '默认'.obs;
RxnInt templateId = RxnInt(null);
final downloadProgress = RxDouble(0.0);
final RxBool loading = false.obs;
@override
void onReady() {
init();
super.onReady();
}
Future export() async {
try {
if (templateId.value == null) {
SnackBarUtil().warning('请点击选中模板,若无模板请先创建');
return;
}
final dir = await getDownloadsDirectory();
if (dir != null) {
String storagePath = dir.path;
File file = File('$storagePath/$templateName.xls');
if (!file.existsSync()) {
file.createSync();
}
CancelToken token = CancelToken();
ModalUtil.alert(
barrierDismissible: false,
contentPadding: EdgeInsets.zero,
showActions: false,
content:
// 进度条
Obx(() => Column(
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.min,
children: [
Stack(
children: [
SizedBox(
height: ScreenAdaper.height(60),
child: LinearProgressIndicator(
value: downloadProgress.value,
),
),
Positioned(
left: 0,
right: 0,
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
'${downloadProgress.value * 100}%',
textAlign: TextAlign.center,
style: TextStyle(
fontSize: ScreenAdaper.height(30)),
),
const LoadingIndicator(
color: AppTheme.nearlyBlack)
],
)),
],
),
SkFlatButton(
onPressed: () {
token.cancel('已取消下载');
Get.back();
},
textColor: AppTheme.nearlyBlack,
color: AppTheme.nearlyWhite,
buttonText: '取消',
)
],
)));
try {
await DioService.dio.download(
'${Urls.saleQuotation}/export/${templateId.value}', file.path,
cancelToken: token,
onReceiveProgress: onReceiveProgress,
options: Options(
responseType: ResponseType.bytes,
followRedirects: false,
));
Get.back();
await OpenFilex.open(file.path);
} catch (e) {
Get.back();
SnackBarUtil().error((e as dynamic).error ?? '暂时无法下载,请稍后重试或联系管理员');
LoggerUtil().error(e);
}
}
} catch (e) {
SnackBarUtil().error('暂时无法下载,请稍后重试或联系管理员');
}
}
/// 展示下载进度
void onReceiveProgress(num received, num total) {
LoggerUtil().info(received);
if (total != -1) {
downloadProgress.value =
Decimal.parse((received / total).toStringAsFixed(2))
.toDouble()
.toPrecision(2);
}
}
Future<void> init() async {
menus.addAll([
WorkBenchModel(title: '导出明细', icon: 'export.svg', onTap: export),
// WorkBenchModel(title: '模板', icon: 'sale_quotation_template.svg'),
WorkBenchModel(
title: '使用教程',
icon: 'usage_guide.svg',
onTap: () {
RouterUtil.toNamed(RouteConfig.saleQuotationGuide);
}),
WorkBenchModel(title: '配件管理', icon: 'product.svg'),
WorkBenchModel(title: '分组管理', icon: 'sale_quotation_group.svg'),
// WorkBenchModel(title: '计算公式', icon: 'sale_quotation_formula.svg'),
]);
String? salesQuotation = StorageService.to.getString('salesQuotation');
if (salesQuotation != null) {
SaleQuotationTemplateModel editTemplate =
SaleQuotationTemplateModel.fromJson(jsonDecode(salesQuotation));
parseTemplateModel(editTemplate);
}
await getTemplates();
}
void parseTemplateModel(SaleQuotationTemplateModel editTemplate) {
groups.assignAll(editTemplate.template.data);
templateName.value = editTemplate.name ?? '';
formula.value = editTemplate.template.formula;
totalPrice.value = editTemplate.template.totalPrice?.toDouble() ?? 0.0;
totalCost.value = editTemplate.template.totalCost?.toDouble() ?? 0.0;
templateId.value = editTemplate.id;
}
/// 切换报价模板
void changeTemplate(SaleQuotationTemplateModel templateModel) {
parseTemplateModel(templateModel);
saveToLocal();
}
/// 获取报价模板
Future<void> getTemplates() async {
final res = await Api.getSaleQuotationTemplate();
List<SaleQuotationTemplateModel> newList = res.data!.items
.map((e) => SaleQuotationTemplateModel.fromJson(e))
.toList();
templates.assignAll(newList);
}
/// 实时计算总数
void calculateTotal({String? newFormula}) {
//计算groups中所有items中的amout总和
totalCost.value = groups.fold<double>(0, (previousValue, element) {
return previousValue +
element.items.fold<double>(0, (previousValue, element) {
return previousValue + element.amount;
});
});
Parser p = Parser();
Expression exp = p.parse(newFormula ?? formula.value);
Variable x = Variable('成本');
ContextModel cm = ContextModel()..bindVariable(x, Number(totalCost.value));
double eval = exp.evaluate(EvaluationType.REAL, cm);
totalPrice.value = eval.toPrecision(2);
}
/// 实时计算数量,单价,总价之间的关系
SaleQuotationItemModel calculateRow(
SaleQuotationItemModel data, String changedField) {
Decimal quantity = Decimal.fromInt(0);
Decimal unitPrice = Decimal.fromInt(0);
Decimal amount = Decimal.fromInt(0);
if (data.quantity != 0) {
quantity = Decimal.parse('${data.quantity}');
}
if (data.unitPrice != 0) {
unitPrice = Decimal.parse('${data.unitPrice}');
}
if (data.amount != 0) {
amount = Decimal.parse('${data.amount}');
}
// 入库一般是先输入单价和数量,然后计算单价
if (changedField != 'amount') {
Decimal result = unitPrice * quantity;
data.amount = result != Decimal.zero ? result.toDouble() : 0;
}
if (changedField == 'amount' && quantity != Decimal.zero) {
Decimal result =
(amount / quantity).toDecimal(scaleOnInfinitePrecision: 10);
data.unitPrice = result != Decimal.zero ? result.toDouble() : 0.0;
} else if (changedField != 'amount') {
Decimal result = (unitPrice * quantity);
data.amount = result != Decimal.zero ? result.toDouble() : 0;
}
return data;
}
/// 处理行数据变化
void afterRowChanges(int groupIndex, int rowIndex,
SaleQuotationItemModel data, String changedField) {
data = calculateRow(data, changedField);
groups[groupIndex].items[rowIndex] = data;
calculateTotal();
stopEditing();
}
/// 停止编辑
void stopEditing() {
editingcell.assignAll([null, null, null]);
saveToLocal();
}
/// 保存到本地持久化
Future<void> saveToLocal() async {
Map<String, dynamic> data = {
'name': templateName.value,
'template': {
'data': groups.map((e) => e.toJson()).toList(),
'totalCost': totalCost.value,
'totalPrice': totalPrice.value,
'formula': formula.value,
}
};
if (templateId.value != null) {
data['id'] = templateId.value;
}
await StorageService.to.setString('salesQuotation', jsonEncode(data));
}
/// 检查当前模板是否合法
bool checkIsValid() {
if (groups.isEmpty) {
SnackBarUtil().warning('至少要创建一个组');
return false;
}
return true;
}
/// 保存到数据库
Future<bool> saveToDatabase({isSaveAs = false}) async {
if (groups.isEmpty) {
SnackBarUtil().warning('至少要创建一个组');
return false;
}
try {
await LoadingUtil.to.show();
if (templateId.value == null || isSaveAs) {
await Api.createSaleQuotationTemplate({
'name': templateName.value,
'template': {
'data': groups.toJson(),
'totalCost': totalCost.value,
'totalPrice': totalPrice.value,
'formula': formula.value
}
});
await SnackBarUtil().success('已生成新的模板');
await getTemplates();
changeTemplate(templates.first);
} else {
await Api.updateSaleQuotationTemplate(templateId.value!, {
'name': templateName.value,
'template': {
'data': groups.toJson(),
'totalCost': totalCost.value,
'totalPrice': totalPrice.value,
'formula': formula.value
}
});
await SnackBarUtil().success('已保存');
await getTemplates();
}
} finally {
await LoadingUtil.to.dismiss();
}
return true;
}
/// 删除模板
Future<void> deleteTemplate(int deleteId) async {
await Api.deleteSaleQuotationTemplate(deleteId);
SnackBarUtil().success('已删除');
}
/// 添加分组
void addGroup() async {
final controller = Get.put(GroupSearchMoreController());
// 选择组件 选择分组
ModalUtil.showGeneralDialog(
content: SkMutilSearchMore<SaleQuotationModel>(
controller: controller,
title: '请选择分组',
enablePullUp: false,
enablePullDown: true,
onOk: (List<int> indexes) {
groups.addAll(controller.list.where((element) {
return indexes.contains(controller.list.indexOf(element));
}));
saveToLocal();
},
leadingBuilder: (index) {
return Container(
padding: EdgeInsets.symmetric(
horizontal: ScreenAdaper.width(5),
vertical: ScreenAdaper.height(10)),
child: Row(
children: [
Text(
controller.list[index].name,
style: TextStyle(fontSize: ScreenAdaper.height(30)),
),
],
),
);
},
),
width: Get.width - ScreenAdaper.width(50))
.then((value) => Get.delete<GroupSearchController>());
calculateTotal();
}
/// 移除分组
void removeGroup(int index) {
groups.removeAt(index);
calculateTotal();
saveToLocal();
}
void addItems(int groupIndex) async {
final controller = Get.put(ItemSearchMoreController());
// 选择配件
ModalUtil.showGeneralDialog(
content: SkMutilSearchMore<SaleQuotationItemModel>(
controller: controller,
enablePullUp: false,
title: '请选择配件产品',
enablePullDown: true,
isDialog: true,
onOk: (List<int> indexes) {
groups[groupIndex]
.items
.addAll(controller.list.where((element) {
return indexes.contains(controller.list.indexOf(element));
}).map((e) {
e.quantity = 1;
Decimal amount = Decimal.parse(e.unitPrice.toString()) *
Decimal.fromInt(e.quantity);
e.amount = amount.toDouble();
return e;
}));
calculateTotal();
saveToLocal();
},
leadingBuilder: (index) {
return Container(
padding: EdgeInsets.symmetric(
horizontal: ScreenAdaper.width(5),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Text(
controller.list[index].name,
style: TextStyle(
fontSize: ScreenAdaper.height(30),
fontWeight: FontWeight.w600),
),
],
),
if (controller.list[index].unit != null)
Row(
children: [
Text(
'单位:${controller.list[index].unit ?? ''}',
textAlign: TextAlign.start,
style: TextStyle(
fontSize: ScreenAdaper.height(23)),
),
],
),
if (controller.list[index].componentSpecification !=
null)
Row(
children: [
Text(
'规格、型号及说明:${controller.list[index].componentSpecification ?? ''}',
textAlign: TextAlign.start,
style: TextStyle(
fontSize: ScreenAdaper.height(23)),
),
],
),
Row(
children: [
Text(
'单价:¥${controller.list[index].unitPrice}',
textAlign: TextAlign.start,
style: TextStyle(
fontSize: ScreenAdaper.height(23)),
),
],
),
if (controller.list[index].remark != null)
Row(
children: [
Text(
'备注:${controller.list[index].remark ?? ''}',
textAlign: TextAlign.start,
style: TextStyle(
fontSize: ScreenAdaper.height(23)),
),
],
),
]));
},
),
width: Get.width - ScreenAdaper.width(50))
.then((value) => Get.delete<ItemSearchMoreController>());
calculateTotal();
}
void removeItem(int groupIndex, int rowIndex) {
groups[groupIndex].items.removeAt(rowIndex);
calculateTotal();
}
void clearWorkbench() {
groups.value = [];
totalCost.value = 0.0;
totalPrice.value = 0.0;
formula.value = '成本 * 1.3 / 0.864';
templateName.value = '默认';
templateId.value = null;
saveToLocal();
}
void openTemplateNameEditPopup(
{String? title = '',
bool isSaveAs = false,
Function(String)? onConfirm,
Function? onCancel}) {
if (!checkIsValid()) {
return;
}
final textController = TextEditingController(text: title);
Get.dialog(AlertDialog(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(ScreenAdaper.sp(20)),
),
contentPadding: EdgeInsets.only(
top: ScreenAdaper.height(10),
right: ScreenAdaper.height(20),
left: ScreenAdaper.height(20)),
content: Column(mainAxisSize: MainAxisSize.min, children: [
Row(
mainAxisAlignment: MainAxisAlignment.end,
children: [
SkInk(
onTap: () {
RouterUtil.back();
},
child: const Icon(Icons.close))
],
),
SkTextInput(
height: ScreenAdaper.height(100),
textController: textController,
customLabel: true,
labelText: '模板名称',
),
Row(
children: [
Expanded(
child: TextButton(
onPressed: () {
RouterUtil.back();
},
child: const Text(
'取消',
style: TextStyle(color: AppTheme.nearlyBlack),
),
),
),
Expanded(
child: TextButton(
onPressed: () async {
if (textController.text.isEmpty) {
SnackBarUtil().error('模板名不能为空');
return;
}
await RouterUtil.back();
onConfirm?.call(textController.text);
// templateName.value = textController.text;
// await RouterUtil.back();
// await saveToLocal();
// await saveToDatabase(isSaveAs: isSaveAs);
// await getTemplates();
},
child: const Text('确定'),
))
],
)
]),
));
}
// /// 检查是否已经保存
// void checkIsSaved() {
// if (templateId.value == null) {
// return false;
// }
// }
}
class GroupSearchMoreController
extends BaseSearchMoreController<SaleQuotationModel> {
@override
Future<List<SaleQuotationModel>> getData({bool isRefresh = false}) async {
await Future.delayed(const Duration(seconds: 1));
final res = await Api.getSaleQuotationGroups();
List<SaleQuotationGroupModel> groups = res.data!.items
.map((e) => SaleQuotationGroupModel.fromJson(e))
.toList();
List<SaleQuotationModel> newList = groups
.map((e) => SaleQuotationModel(name: e.name!, items: RxList([])))
.toList();
// List<SaleQuotationModel> newList = [
// SaleQuotationModel(name: '中间过渡架电控部分', items: RxList([])),
// SaleQuotationModel(name: '端头架电控部分', items: RxList([])),
// SaleQuotationModel(name: '主阀部分', items: RxList([])),
// SaleQuotationModel(name: '自动反冲洗过滤器部分', items: RxList([])),
// SaleQuotationModel(name: '位移测量部分', items: RxList([])),
// SaleQuotationModel(name: '压力检测部分', items: RxList([])),
// SaleQuotationModel(name: '煤机定位部分', items: RxList([])),
// SaleQuotationModel(name: '姿态检测部分', items: RxList([])),
// ];
list.assignAll(newList
.where((element) => PinyinHelper.getPinyin(element.name, separator: '')
.contains(searchKey.value))
.toList());
return newList;
}
}
class ItemSearchMoreController
extends BaseSearchMoreController<SaleQuotationItemModel> {
@override
Future<List<SaleQuotationItemModel>> getData({bool isRefresh = false}) async {
try {
final res = await Api.getSaleQuotationComponents();
List<SaleQuotationComponentModel> componets = res.data!.items
.map((e) => SaleQuotationComponentModel.fromJson(e))
.toList();
List<SaleQuotationItemModel> newList = componets
.map((e) => SaleQuotationItemModel(
name: e.name!,
unitPrice: e.unitPrice ?? 0.0,
unit: e.unit?.label ?? '',
componentSpecification: e.componentSpecification,
remark: e.remark))
.toList();
// List<SaleQuotationItemModel> newList = [
// SaleQuotationItemModel(
// name: '矿用本安型支架控制器', unit: '台', componentSpecification: 'ZDYZ-Z', unitPrice: 4700),
// SaleQuotationItemModel(name: '矿用本安型电磁阀驱动器', unitPrice: 1200),
// SaleQuotationItemModel(name: '矿用隔爆兼本安型电源', unitPrice: 5700),
// SaleQuotationItemModel(name: '矿用本安型隔离耦合器', unitPrice: 1200),
// SaleQuotationItemModel(name: '钢丝编织橡胶护套连接器', unitPrice: 600),
// SaleQuotationItemModel(name: '钢丝编织橡胶护套连接器', remark: '控制器-控制器', unitPrice: 400),
// SaleQuotationItemModel(name: '钢丝编织橡胶护套连接器', remark: '控制器-驱动器', unitPrice: 500),
// SaleQuotationItemModel(
// name: '钢丝编织橡胶护套连接器', remark: '控制器-隔离耦合器', unitPrice: 2000),
// SaleQuotationItemModel(name: '矿用本安型支架控制器', unitPrice: 4700),
// SaleQuotationItemModel(name: '矿用本安型电磁阀驱动器', unitPrice: 1200),
// SaleQuotationItemModel(name: '矿用隔爆兼本安型电源', unitPrice: 5700),
// SaleQuotationItemModel(
// name: '电液换向阀(10功能10接口)', remark: '中间过渡架主阀组', unitPrice: 13200),
// SaleQuotationItemModel(
// name: '电液换向阀(20功能20接口)', remark: '端头架主阀组', unitPrice: 26500),
// SaleQuotationItemModel(
// name: '自动反冲洗过滤装置', remark: '流量:900L/min,过滤精度25μm', unitPrice: 2000),
// SaleQuotationItemModel(name: '全自动反冲洗过滤器电缆', remark: '控制器-自动反冲洗'),
// SaleQuotationItemModel(name: '矿用本安型位移传感器'),
// SaleQuotationItemModel(name: '矿用本安型压力传感器'),
// SaleQuotationItemModel(name: '矿用本安型红外发射器'),
// SaleQuotationItemModel(name: '矿用本安型LED信号灯'),
// SaleQuotationItemModel(name: '倾角传感器'),
// SaleQuotationItemModel(name: '各类安装附件'),
// ];
list.assignAll(newList
.where((element) =>
PinyinHelper.getPinyin(element.name, separator: '')
.contains(searchKey.value))
.toList());
return newList;
} catch (e) {
return [];
}
}
}