Files
logistics_tool/lib/logistics.dart
2024-06-18 17:26:27 +08:00

471 lines
22 KiB
Dart

import 'dart:convert';
import 'package:async/async.dart';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:go_router/go_router.dart';
import 'package:logistics_tools/utils/request.dart';
import 'package:uuid/uuid.dart';
class Logistics extends StatefulWidget {
const Logistics({super.key});
@override
State<Logistics> createState() => _LogisticsState();
}
class _LogisticsState extends State<Logistics> {
List<dynamic> goodsList = [];
String _orderPayWay = "";
List _packages = [];
int _activePackage = 0;
final TextEditingController _goodsNameController =
TextEditingController(text: "");
final TextEditingController _goodsSpecController =
TextEditingController(text: "");
final TextEditingController _goodsNumController = TextEditingController();
final _memoizer = AsyncMemoizer();
@override
void initState() {
// TODO: implement initState
super.initState();
setState(() {
_packages = [
{"id": const Uuid().v4(), "logisticsNumber": "", "goods": []}
];
});
}
Future<Response> fetchGoodsList(BuildContext context) async {
String? orderNumber =
GoRouterState.of(context).uri.queryParameters["orderNumber"];
String? orderPayWay =
GoRouterState.of(context).uri.queryParameters["orderPayWay"];
_orderPayWay = orderPayWay!;
if (orderNumber?.isEmpty ?? true) {
context.pop();
}
Response response = await _memoizer.runOnce(() async {
return await dio.get(
"https://www.sanpinhuicai.com/wisdommining/api/order/goodsOfOrder",
queryParameters: {"orderNumber": orderNumber});
});
goodsList = response.data["value"];
return response;
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(
"填写物流信息 (${GoRouterState.of(context).uri.queryParameters["orderPayWay"]})"),
actions: [
ElevatedButton(
onPressed: () {
// 数据验证
if (_orderPayWay != "套餐商品") {
bool hasUnAddedGoods =
goodsList.every((el) => el["goodsNum"] > 0);
if (hasUnAddedGoods) {
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
content: Text("有未添加至包裹的商品"),
backgroundColor: Colors.redAccent,
));
return;
}
}
bool result = _packages.every((package) {
return package["logisticsNumber"].toString().isNotEmpty &&
package["goods"].length > 0 &&
package["goods"].every((goods) {
return goods["name"].toString().isNotEmpty &&
goods["num"].toString().isNotEmpty &&
goods["spec"].toString().isNotEmpty;
});
});
if (!result) {
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
backgroundColor: Colors.redAccent,
content: Text("有未填写的数据")));
return;
}
String logisticsJson = jsonEncode(_packages);
context.pop(logisticsJson);
},
child: const Row(
children: [Text("保存"), Icon(Icons.save)],
)),
const SizedBox(
width: 4,
)
],
),
body: Container(
padding: const EdgeInsets.all(40),
width: double.infinity,
child: FutureBuilder(
future: fetchGoodsList(context),
builder: (BuildContext context, AsyncSnapshot<dynamic> snapshot) {
if (snapshot.hasData) {
return Card(
color: Colors.white,
child: Padding(
padding: const EdgeInsets.all(20),
child: Row(
children: [
Expanded(
flex: 1,
child: _orderPayWay == "套餐商品"
? Column(
children: [
Card(
color: Colors.white70,
child: Row(
children: [
Image.network(
width: 80,
height: 80,
goodsList[0]["goodsPhoto"]),
const SizedBox(
width: 16,
),
Text(
"${goodsList[0]["goodsName"]}")
],
),
),
const SizedBox(
height: 20,
),
TextField(
controller: _goodsNameController,
decoration: const InputDecoration(
labelText: "商品名称",
border: OutlineInputBorder()),
),
const SizedBox(
height: 20,
),
TextField(
controller: _goodsSpecController,
decoration: const InputDecoration(
labelText: "商品规格",
border: OutlineInputBorder()),
),
const SizedBox(
height: 20,
),
TextField(
controller: _goodsNumController,
keyboardType: TextInputType.number,
inputFormatters: <TextInputFormatter>[
FilteringTextInputFormatter
.digitsOnly
],
decoration: const InputDecoration(
labelText: "商品数量",
border: OutlineInputBorder()),
),
const SizedBox(
height: 20,
),
ElevatedButton(
onPressed: () {
if (_goodsNumController
.text.isEmpty ||
_goodsNameController
.text.isEmpty ||
_goodsSpecController
.text.isEmpty) {
ScaffoldMessenger.of(context)
.showSnackBar(
const SnackBar(
content: Text(
"请填写完整商品信息")));
return;
}
int goodsNum = int.parse(
_goodsNumController.text);
String goodsName =
_goodsNameController.text;
String goodsSpec =
_goodsSpecController.text;
var goods = {
"id": const Uuid().v4(),
"name": goodsName,
"num": goodsNum,
"specId": const Uuid().v4(),
"spec": goodsSpec
};
var packagesList = _packages;
packagesList[_activePackage]
["goods"]
.add(goods);
setState(() {
_packages = packagesList;
});
_goodsNumController.clear();
_goodsNameController.clear();
_goodsSpecController.clear();
},
child: const Text("添加到包裹"))
],
)
: ListView.builder(
itemCount: goodsList
.where((el) => el["goodsNum"] > 0)
.length,
itemBuilder: (context, index) {
final goods = goodsList
.where((el) => el["goodsNum"] > 0)
.toList()[index];
return ListTile(
trailing: IconButton(
icon: const Icon(Icons.add),
onPressed: () {
// 检查商品及规格是否已存在于目标包裹
int targetIndex = _packages[
_activePackage]["goods"]
.indexWhere((el) =>
el["id"] ==
goods["id"] &&
goods["wisdGoodsSpec"]
["id"] ==
el["specId"]);
if (targetIndex != -1) {
setState(() {
_packages[_activePackage]
["goods"]
[targetIndex]
["num"] += 1;
});
} else {
setState(() {
_packages[_activePackage]
["goods"]
.add({
"id": goods["id"],
"specId":
goods["wisdGoodsSpec"]
["id"],
"name":
goods["goodsName"],
"spec":
goods?["wisdGoodsSpec"]
?[
"specName"] ??
"",
"num": 1
});
});
}
var curGoods =
goodsList.firstWhere(
(el) =>
el["id"] ==
goods["id"],
orElse: () => -1);
setState(() {
curGoods["goodsNum"] -= 1;
});
},
),
leading: Image.network(
goods["goodsPhoto"],
width: 100,
height: 100,
),
title: Text(
"${goods["goodsName"]} - ${goods?["wisdGoodsSpec"]?["specName"] ?? ''}"),
subtitle: Text(
"数量 : ${goods?["goodsNum"]}"),
);
})),
const SizedBox(
width: 20,
),
Expanded(
flex: 1,
child: Column(
children: [
Expanded(
child: ListView.builder(
itemCount: _packages.length,
itemBuilder:
(BuildContext context, int index) {
return PackageCard(
onLogisticsChanged: (value) {
_packages[index]
["logisticsNumber"] = value;
},
onTap: () {
setState(() {
_activePackage = index;
});
},
onClose: () {
var curId =
_packages[index]["id"];
setState(() {
_activePackage =
_activePackage >= index
? _activePackage - 1
: _activePackage;
_packages = _packages
.where((el) =>
el["id"] != curId)
.toList();
});
},
totalPackagesCount:
_packages.length,
isActive: _activePackage == index,
package: _packages[index],
index: index);
},
)),
ElevatedButton(
onPressed: () {
setState(() {
_packages = [
..._packages,
{
"logisticsNumber": "",
"id": const Uuid().v4(),
"goods": []
}
];
});
},
child: const Text("添加包裹"))
],
))
],
)),
);
} else if (snapshot.hasError) {
return const Center(
child: Icon(
Icons.error_outline,
color: Colors.red,
size: 60,
),
);
} else {
return const Center(child: CircularProgressIndicator());
}
},
)));
}
}
class PackageCard extends StatefulWidget {
const PackageCard({
super.key,
required this.onTap,
required this.isActive,
required this.package,
required this.index,
required this.onLogisticsChanged,
required this.totalPackagesCount,
required this.onClose,
});
final bool isActive;
final Function() onTap;
final Function() onClose;
final Map<String, dynamic> package;
final int index;
final Function(String) onLogisticsChanged;
final int totalPackagesCount;
@override
State<PackageCard> createState() => _PackageCardState();
}
class _PackageCardState extends State<PackageCard> {
@override
Widget build(BuildContext context) {
return GestureDetector(
onTap: widget.onTap,
child: Card(
elevation: widget.isActive ? 5 : null,
shape: widget.isActive
? RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12.0),
side: const BorderSide(
color: Colors.blue,
width: 1.0,
),
)
: null,
child: Stack(
// clipBehavior: Clip.none,
children: [
const SizedBox(
height: 100,
),
Padding(
padding: const EdgeInsets.fromLTRB(20, 30, 20, 20),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
TextField(
onChanged: widget.onLogisticsChanged,
decoration: const InputDecoration(
border: OutlineInputBorder(), labelText: "物流单号"),
),
const SizedBox(
height: 20,
),
DataTable(columns: const [
DataColumn(label: Text("名称")),
DataColumn(label: Text("规格")),
DataColumn(label: Text("数量"))
], rows: [
for (var goodsItem in widget.package["goods"])
DataRow(cells: [
DataCell(Text("${goodsItem["name"]}")),
DataCell(Text("${goodsItem["spec"]}")),
DataCell(Text("${goodsItem["num"]}")),
])
]),
],
),
),
Positioned(
left: 20,
top: 2,
child: Text("包裹${widget.index + 1}"),
),
widget.totalPackagesCount > 1
? Positioned(
top: 2,
right: 2,
child: SizedBox(
width: 20,
height: 20,
child: IconButton(
color: Colors.redAccent,
iconSize: 20,
padding: EdgeInsets.zero,
icon: const Icon(Icons.close),
onPressed: widget.onClose,
),
))
: const SizedBox(
width: 0,
)
],
),
),
);
}
}