343 lines
9.2 KiB
C#
343 lines
9.2 KiB
C#
using _29WxOrderWpf.Commands;
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using _29WxOrderWpf.Common;
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using _29WxOrderWpf.Ctrls.Statistics.Models;
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using _29WxOrderWpf.Ctrls.Statistics.Services;
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using AllBase.Model.MvvmBaseClasses;
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using CefSharp;
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using NPOI.SS.Formula.Functions;
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Linq;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Input;
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namespace _29WxOrderWpf.Ctrls.Statistics.ViewModels
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{
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/// <summary>
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/// 店铺营收统计 - 页面 ViewModel（MVVM）。
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/// 通过 IShopRevenueStatisticsService 调用数据接口；
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/// 接入真实接口时传入自定义实现：new ShopRevenueStatisticsViewModel(你的服务实现)。
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/// </summary>
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public class ShopRevenueStatisticsViewModel : PropertyNotifyObject
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{
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private readonly IShopRevenueStatisticsService _service;
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private ShopRevenueSummary _summary;
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private ObservableCollection<RevenueTrendPoint> _trendData;
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private ObservableCollection<ShopSalesProportionItem> _shopProportionData;
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private ObservableCollection<ShopStatisticsItem> _shopStatistics;
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private ObservableCollection<ShopOption> _selectedShops;
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private string _selectedPlatform;
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public ShopRevenueStatisticsViewModel()
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: this(new ShopRevenueStatisticsService())
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{
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}
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public ShopRevenueStatisticsViewModel(IShopRevenueStatisticsService service)
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{
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_service = service ?? new ShopRevenueStatisticsService();
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TimeRangeOptions = new ObservableCollection<TimeRangeOption>
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{
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new TimeRangeOption { Text = "昨天", Value = "yesterday" },
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new TimeRangeOption { Text = "本周", Value = "week" },
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new TimeRangeOption { Text = "本月", Value = "month" },
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new TimeRangeOption { Text = "最近10天", Value = "last10" },
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new TimeRangeOption { Text = "自定义", Value = "custom" }
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};
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ShopOptions = new ObservableCollection<ShopOption>();
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QueryCommand = new DelegateCommand(async () => await LoadAsync());
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ResetCommand = new DelegateCommand(Reset);
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InitializeAsync();
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}
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#region 查询条件
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/// <summary>时间范围选项</summary>
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public ObservableCollection<TimeRangeOption> TimeRangeOptions { get; }
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/// <summary>选中的时间范围</summary>
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public TimeRangeOption SelectedTimeRange
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{
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get { return this.GetValue(x => x.SelectedTimeRange); }
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set
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{
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this.SetValue(x => x.SelectedTimeRange, value);
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ApplyTimeRange();
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OnPropertyChanged(nameof(IsCustomDateRange));
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}
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}
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/// <summary>是否为自定义时间范围</summary>
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public bool IsCustomDateRange
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{
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get { return SelectedTimeRange != null && SelectedTimeRange.Value == "custom"; }
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}
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/// <summary>开始日期</summary>
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public DateTime StartDate
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{
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get { return this.GetValue(x => x.StartDate); }
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set { this.SetValue(x => x.StartDate, value); }
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}
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/// <summary>结束日期</summary>
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public DateTime EndDate
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{
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get { return this.GetValue(x => x.EndDate); }
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set { this.SetValue(x => x.EndDate, value); }
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}
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/// <summary>店铺选项（“全部店铺”由多选控件“全部商铺”表示）</summary>
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public ObservableCollection<ShopOption> ShopOptions { get; }
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/// <summary>选中的店铺</summary>
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public ObservableCollection<ShopOption> SelectedShops
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{
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get { return _selectedShops; }
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set
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{
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_selectedShops = value;
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OnPropertyChanged(nameof(SelectedShops));
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}
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}
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#endregion
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#region 统计结果
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/// <summary>汇总卡片数据</summary>
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public ShopRevenueSummary Summary
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{
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get { return _summary; }
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private set
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{
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_summary = value;
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OnPropertyChanged(nameof(Summary));
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}
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}
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/// <summary>销售趋势数据</summary>
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public ObservableCollection<RevenueTrendPoint> TrendData
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{
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get { return _trendData; }
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private set
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{
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_trendData = value;
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OnPropertyChanged(nameof(TrendData));
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}
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}
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/// <summary>店铺销售占比数据</summary>
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public ObservableCollection<ShopSalesProportionItem> ShopProportionData
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{
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get { return _shopProportionData; }
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private set
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{
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_shopProportionData = value;
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OnPropertyChanged(nameof(ShopProportionData));
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}
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}
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/// <summary>店铺统计表格数据</summary>
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public ObservableCollection<ShopStatisticsItem> ShopStatistics
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{
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get { return _shopStatistics; }
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private set
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{
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_shopStatistics = value;
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OnPropertyChanged(nameof(ShopStatistics));
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}
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}
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/// <summary>是否正在加载</summary>
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public bool IsLoading
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{
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get { return this.GetValue(x => x.IsLoading); }
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set { this.SetValue(x => x.IsLoading, value); }
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}
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#endregion
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#region 命令
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/// <summary>查询命令</summary>
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public ICommand QueryCommand { get; }
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/// <summary>重置命令</summary>
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public ICommand ResetCommand { get; }
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#endregion
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#region 初始化
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private async void InitializeAsync()
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{
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try
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{
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// 店铺选项（全部店铺由多选控件“全部商铺”表示，不再额外加入“全部店铺”项）
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var shops = await _service.GetShopOptionsAsync();
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foreach (var shop in shops)
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ShopOptions.Add(shop);
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SelectedShops = new ObservableCollection<ShopOption>(ShopOptions);
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// 默认时间范围：本月
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SelectedTimeRange = TimeRangeOptions.FirstOrDefault(t => t.Value == "month");
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ApplyTimeRange();
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await LoadAsync();
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}
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catch (Exception)
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{
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// 初始化失败（如接口不可用），页面保持可查询状态；可在此接入日志/提示
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}
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}
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#endregion
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#region 业务逻辑
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/// <summary>根据时间范围选项计算起止日期</summary>
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private void ApplyTimeRange()
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{
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var now = DateTime.Now;
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var today = now.Date;
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var selected = SelectedTimeRange == null ? string.Empty : SelectedTimeRange.Value;
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switch (selected)
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{
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case "yesterday":
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StartDate = today.AddDays(-1);
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EndDate = today.AddDays(-1).AddHours(23).AddMinutes(59).AddSeconds(59);
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break;
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case "week":
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int diff = today.DayOfWeek == DayOfWeek.Sunday ? 6 : (int)today.DayOfWeek - 1;
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StartDate = today.AddDays(-diff);
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EndDate = now;
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break;
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case "month":
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StartDate = new DateTime(today.Year, today.Month, 1);
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EndDate = now;
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break;
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case "last10":
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StartDate = today.AddDays(-9);
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EndDate = now;
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break;
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default:
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// 自定义：保持用户选择的日期不变
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break;
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}
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}
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/// <summary>根据选中店铺生成查询店铺 key 列表：未选/全选/选中“全部店铺”时返回空列表（表示全部店铺）</summary>
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private List<string> BuildSelectedShopKeys()
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{
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var selected = SelectedShops;
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if (selected == null || selected.Count == 0)
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return new List<string>();
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var keys = selected.Select(s => s == null ? string.Empty : s.AppKey).ToList();
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if (keys.Any(string.IsNullOrEmpty))
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return new List<string>();
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if (selected.Count >= ShopOptions.Count)
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return new List<string>();
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return keys;
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}
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/// <summary>执行查询，刷新页面所有统计数据</summary>
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private async Task LoadAsync()
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{
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if (StartDate > EndDate)
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{
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var temp = StartDate;
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StartDate = EndDate;
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EndDate = temp;
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}
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IsLoading = true;
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try
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{
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var query = new ShopRevenueStatisticsQuery
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{
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StartDate = StartDate,
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EndDate = EndDate,
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ShopKeys = BuildSelectedShopKeys(),
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};
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Summary = await _service.GetSummaryAsync(query);
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var trend = await _service.GetSalesTrendAsync(query);
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TrendData = new ObservableCollection<RevenueTrendPoint>(trend);
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var proportion = await _service.GetShopSalesProportionAsync(query);
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ShopProportionData = new ObservableCollection<ShopSalesProportionItem>(proportion);
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var table = await _service.GetShopStatisticsAsync(query);
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ShopStatistics = new ObservableCollection<ShopStatisticsItem>(table);
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}
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catch (Exception)
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{
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// 查询异常：保留上一次数据，可在此接入日志/错误提示
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}
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finally
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{
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IsLoading = false;
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}
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}
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/// <summary>重置查询条件并重新加载</summary>
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private async void Reset()
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{
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SelectedShops = new ObservableCollection<ShopOption>(ShopOptions);
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SelectedTimeRange = TimeRangeOptions.FirstOrDefault(t => t.Value == "month");
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ApplyTimeRange();
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await LoadAsync();
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}
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#endregion
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public ICommand ShowOrderListCommand => new AsyncDelegateCommand<string>(ShowOrderList);
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private async Task ShowOrderList(string type)
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{
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var query = new ShopRevenueStatisticsQuery
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{
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StartDate = StartDate,
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EndDate = EndDate,
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ShopKeys = BuildSelectedShopKeys(),
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};
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var rows = await _service.QueryRowsAsync(query);
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List<ShopRevenueStatisticsRow> showList = new List<ShopRevenueStatisticsRow>();
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switch (type)
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{
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case "ValidOrderCount":
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showList = RevenueStatisticsAggregator.GetValidOrder(rows);
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break; //有效订单
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case "RefundOrderCount":
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showList = RevenueStatisticsAggregator.GetRefundOrder(rows);
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break;//退款订单
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case "BuyerRefundRemainingAmount":
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showList = RevenueStatisticsAggregator.GetBuyerRefundRemainingOrder(rows);
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break;//待退回采购金额
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default:
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break;
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}
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new DialogWindow(GetWindow())
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{
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Title="订单列表",
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Content = new ShowOrderDialogView(showList),
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DataContext = rows
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}.Show();
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}
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public Func<Window> GetWindow;
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}
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} |