Billing/Billing.Shared/Views/RankPage.xaml.cs

635 lines
22 KiB
C#

using Billing.Models;
using Billing.Store;
using Billing.Themes;
using Billing.UI;
using Microcharts;
using SkiaSharp;
using SkiaSharp.Views.Forms;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Xamarin.Essentials;
using Xamarin.Forms;
using Resource = Billing.Languages.Resource;
namespace Billing.Views
{
public enum DateType : int
{
Custom = 0,
Monthly,
Today,
PastMonth,
PastQuarter,
PastSixMonths,
PastYear,
Total
}
public partial class RankPage : BillingPage
{
private static RankPage instance;
public static RankPage Instance => instance;
private static readonly DateTime today = DateTime.Today;
private static readonly BindableProperty SegmentTypeProperty = Helper.Create<int, RankPage>(nameof(SegmentType), defaultValue: 0, propertyChanged: OnSegmentTypeChanged);
private static readonly BindableProperty SegmentDateProperty = Helper.Create<int, RankPage>(nameof(SegmentDate), defaultValue: 1, propertyChanged: OnSegmentDateChanged);
private static readonly BindableProperty StartDateProperty = Helper.Create<DateTime, RankPage>(nameof(StartDate),
defaultValue: today.AddDays(1 - today.Day),
propertyChanged: OnDateChanged);
private static readonly BindableProperty EndDateProperty = Helper.Create<DateTime, RankPage>(nameof(EndDate),
defaultValue: today.AddDays(DateTime.DaysInMonth(today.Year, today.Month) - today.Day).LastMoment(),
propertyChanged: OnDateChanged);
private static readonly BindableProperty StartPickerDateProperty = Helper.Create<DateTime, RankPage>(nameof(StartPickerDate),
defaultValue: today.AddDays(1 - today.Day),
propertyChanged: OnPickerStartDateChanged);
private static readonly BindableProperty EndPickerDateProperty = Helper.Create<DateTime, RankPage>(nameof(EndPickerDate),
defaultValue: today.AddDays(DateTime.DaysInMonth(today.Year, today.Month) - today.Day),
propertyChanged: OnPickerEndDateChanged);
private static readonly BindableProperty ChartProperty = Helper.Create<Chart, RankPage>(nameof(Chart));
private static readonly BindableProperty CategoryChartProperty = Helper.Create<Chart, RankPage>(nameof(CategoryChart));
private static readonly BindableProperty TopBillsProperty = Helper.Create<IList<UIBill>, RankPage>(nameof(TopBills));
private static readonly BindableProperty NoResultChartProperty = Helper.Create<bool, RankPage>(nameof(NoResultChart));
private static readonly BindableProperty NoResultCategoryChartProperty = Helper.Create<bool, RankPage>(nameof(NoResultCategoryChart));
private static readonly BindableProperty NoResultTopBillsProperty = Helper.Create<bool, RankPage>(nameof(NoResultTopBills));
private static readonly BindableProperty IncomeProperty = Helper.Create<decimal, RankPage>(nameof(Income));
private static readonly BindableProperty SpendingProperty = Helper.Create<decimal, RankPage>(nameof(Spending));
private static readonly BindableProperty BalanceProperty = Helper.Create<decimal, RankPage>(nameof(Balance));
private static void OnSegmentTypeChanged(RankPage page, int old, int @new)
{
page.type = @new switch
{
1 => CategoryType.Income,
_ => CategoryType.Spending
};
page.LoadData();
}
private static void OnSegmentDateChanged(RankPage page, int old, int @new)
{
page.OnDateTypeCommand((DateType)@new);
}
private static void OnDateChanged(RankPage page, DateTime old = default, DateTime @new = default)
{
page.isLocked = true;
page.StartPickerDate = page.StartDate.Date;
page.EndPickerDate = page.EndDate.Date;
page.isLocked = false;
if (!page.isFreezed)
{
var format = Resource.TitleShortDateFormat;
page.Title = page.StartDate.ToString(format) + " ~ " + page.EndDate.ToString(format);
page.LoadData();
}
}
private static void OnPickerStartDateChanged(RankPage page, DateTime _, DateTime @new)
{
if (!page.isLocked)
{
page.SegmentDate = 0;
page.StartDate = @new.Date;
}
}
private static void OnPickerEndDateChanged(RankPage page, DateTime _, DateTime @new)
{
if (!page.isLocked)
{
page.SegmentDate = 0;
page.EndDate = @new.Date.LastMoment();
}
}
public int SegmentType
{
get => (int)GetValue(SegmentTypeProperty);
set => SetValue(SegmentTypeProperty, value);
}
public int SegmentDate
{
get => (int)GetValue(SegmentDateProperty);
set => SetValue(SegmentDateProperty, value);
}
public DateTime StartDate
{
get => (DateTime)GetValue(StartDateProperty);
set => SetValue(StartDateProperty, value);
}
public DateTime EndDate
{
get => (DateTime)GetValue(EndDateProperty);
set => SetValue(EndDateProperty, value);
}
public DateTime StartPickerDate
{
get => (DateTime)GetValue(StartPickerDateProperty);
set => SetValue(StartPickerDateProperty, value);
}
public DateTime EndPickerDate
{
get => (DateTime)GetValue(EndPickerDateProperty);
set => SetValue(EndPickerDateProperty, value);
}
public Chart Chart
{
get => (Chart)GetValue(ChartProperty);
set => SetValue(ChartProperty, value);
}
public Chart CategoryChart
{
get => (Chart)GetValue(CategoryChartProperty);
set => SetValue(CategoryChartProperty, value);
}
public IList<UIBill> TopBills
{
get => (IList<UIBill>)GetValue(TopBillsProperty);
set => SetValue(TopBillsProperty, value);
}
public bool NoResultChart
{
get => (bool)GetValue(NoResultChartProperty);
set => SetValue(NoResultChartProperty, value);
}
public bool NoResultCategoryChart
{
get => (bool)GetValue(NoResultCategoryChartProperty);
set => SetValue(NoResultCategoryChartProperty, value);
}
public bool NoResultTopBills
{
get => (bool)GetValue(NoResultTopBillsProperty);
set => SetValue(NoResultTopBillsProperty, value);
}
public decimal Income => (decimal)GetValue(IncomeProperty);
public decimal Spending => (decimal)GetValue(SpendingProperty);
public decimal Balance => (decimal)GetValue(BalanceProperty);
public List<string> DateTypes { get; }
public Command LeftCommand { get; }
public Command RightCommand { get; }
public Command FilterCommand { get; }
public Command EditBilling { get; }
private IEnumerable<Bill> bills;
private CategoryType type = CategoryType.Spending;
private bool isFilterToggled;
private bool isFreezed;
private bool isLocked;
private bool needRefresh = true;
private const int FILTER_HEIGHT = 100;
private readonly SKTypeface font;
public RankPage()
{
instance = this;
LeftCommand = new Command(OnLeftCommand);
RightCommand = new Command(OnRightCommand);
FilterCommand = new Command(OnFilterCommand);
EditBilling = new Command(OnEditBilling);
#if __IOS__
var style = SKFontManager.Default.GetFontStyles("PingFang SC");
if (style != null)
{
font = style.CreateTypeface(SKFontStyle.Normal);
}
else
#endif
font = SKFontManager.Default.MatchCharacter(0x4e00);
DateTypes = new List<string>
{
Resource.Custom,
Resource.Monthly,
Resource.Today,
Resource.PastMonth,
Resource.PastQuarter,
Resource.PastSixMonths,
Resource.PastYear,
Resource.Total
};
InitializeComponent();
gridFilter.TranslationY = -FILTER_HEIGHT;
panelFilter.TranslationY = -FILTER_HEIGHT;
}
public void SetNeedRefresh()
{
needRefresh = true;
}
protected override void OnAppearing()
{
if (needRefresh)
{
needRefresh = false;
OnDateChanged(this);
}
}
protected override void OnRefresh()
{
OnDateChanged(this);
}
private void OnDateTypeCommand(DateType index)
{
if (index < DateType.Monthly || index > DateType.Total)
{
return;
}
if (scroller.ScrollY > 0)
{
scroller.ScrollToAsync(0, 0, true);
}
isFreezed = true;
var today = DateTime.Today;
switch (index)
{
case DateType.Monthly:
StartDate = today.AddDays(1 - today.Day);
EndDate = today.AddDays(DateTime.DaysInMonth(today.Year, today.Month) - today.Day).LastMoment();
break;
case DateType.Today:
StartDate = today;
EndDate = today.LastMoment();
break;
case DateType.PastMonth:
StartDate = today.AddMonths(-1).AddDays(1);
EndDate = today.LastMoment();
break;
case DateType.PastQuarter:
StartDate = today.AddMonths(-3).AddDays(1);
EndDate = today.LastMoment();
break;
case DateType.PastSixMonths:
StartDate = today.AddMonths(-6).AddDays(1);
EndDate = today.LastMoment();
break;
case DateType.PastYear:
StartDate = today.AddYears(-1).AddDays(1);
EndDate = today.LastMoment();
break;
case DateType.Total:
//StartDate = App.Bills.Min(b => b.CreateTime).Date;
//EndDate = App.Bills.Max(b => b.CreateTime).Date.LastMoment();
DateTime min = DateTime.MaxValue;
DateTime max = DateTime.MinValue;
App.Bills.ForEach(b =>
{
if (b.CreateTime < min)
{
min = b.CreateTime;
}
if (b.CreateTime > max)
{
max = b.CreateTime;
}
});
if (min == DateTime.MaxValue && max == DateTime.MinValue)
{
return;
}
StartDate = min.Date;
EndDate = max.Date.LastMoment();
break;
}
isFreezed = false;
OnDateChanged(this);
}
private bool IsPreset(DateTime start, DateTime end)
{
return start.Month == end.Month &&
start.Day == 1 &&
end.Day == DateTime.DaysInMonth(end.Year, end.Month);
}
private void OnLeftCommand()
{
var type = (DateType)SegmentDate;
if (type < DateType.Monthly || type >= DateType.Total)
{
return;
}
if (scroller.ScrollY > 0)
{
scroller.ScrollToAsync(0, 0, true);
}
isFreezed = true;
var start = StartDate;
var end = EndDate;
if (type == DateType.Monthly || IsPreset(start, end))
{
start = start.AddMonths(-1);
end = start.AddDays(DateTime.DaysInMonth(start.Year, start.Month) - 1).LastMoment();
}
else if (type == DateType.PastMonth)
{
start = start.AddMonths(-1);
end = end.AddMonths(-1);
}
else if (type == DateType.PastQuarter)
{
start = start.AddMonths(-3);
end = end.AddMonths(-3);
}
else if (type == DateType.PastSixMonths)
{
start = start.AddMonths(-6);
end = end.AddMonths(-6);
}
else if (type == DateType.PastYear)
{
start = start.AddYears(-1);
end = end.AddYears(-1);
}
else
{
var days = (end.Date - start.Date).TotalDays + 1;
start = start.AddDays(-days);
end = end.AddDays(-days);
}
if (start.Year < 1900)
{
isFreezed = false;
return;
}
StartDate = start;
EndDate = end;
isFreezed = false;
OnDateChanged(this);
}
private void OnRightCommand()
{
var type = (DateType)SegmentDate;
if (type < DateType.Monthly || type >= DateType.Total)
{
return;
}
if (scroller.ScrollY > 0)
{
scroller.ScrollToAsync(0, 0, true);
}
isFreezed = true;
var start = StartDate;
var end = EndDate;
if (type == DateType.Monthly || IsPreset(start, end))
{
start = start.AddMonths(1);
end = start.AddDays(DateTime.DaysInMonth(start.Year, start.Month) - 1).LastMoment();
}
else if (type == DateType.PastMonth)
{
start = start.AddMonths(1);
end = end.AddMonths(1);
}
else if (type == DateType.PastQuarter)
{
start = start.AddMonths(3);
end = end.AddMonths(3);
}
else if (type == DateType.PastSixMonths)
{
start = start.AddMonths(6);
end = end.AddMonths(6);
}
else if (type == DateType.PastYear)
{
start = start.AddYears(1);
end = end.AddYears(1);
}
else
{
var days = (end.Date - start.Date).TotalDays + 1;
start = start.AddDays(days);
end = end.AddDays(days);
}
if (end.Year > DateTime.Today.Year + 100)
{
isFreezed = false;
return;
}
StartDate = start;
EndDate = end;
isFreezed = false;
OnDateChanged(this);
}
private async void OnFilterCommand(object o)
{
if (o is bool flag)
{
isFilterToggled = flag;
}
else
{
isFilterToggled = !isFilterToggled;
}
ViewExtensions.CancelAnimations(gridFilter);
ViewExtensions.CancelAnimations(panelFilter);
if (isFilterToggled)
{
await scroller.ScrollToAsync(scroller.ScrollX, scroller.ScrollY, false);
await Task.WhenAll(
gridFilter.TranslateTo(0, 0, easing: Easing.CubicOut),
gridFilter.FadeTo(1, easing: Easing.CubicOut),
panelFilter.TranslateTo(0, 0, easing: Easing.CubicOut),
panelFilter.FadeTo(1, easing: Easing.CubicOut));
}
else
{
await Task.WhenAll(
gridFilter.TranslateTo(0, -FILTER_HEIGHT, easing: Easing.CubicIn),
gridFilter.FadeTo(0, easing: Easing.CubicIn),
panelFilter.TranslateTo(0, -FILTER_HEIGHT, easing: Easing.CubicIn),
panelFilter.FadeTo(0, easing: Easing.CubicIn));
}
}
private async void OnEditBilling(object o)
{
if (Tap.IsBusy)
{
return;
}
using (Tap.Start())
{
if (o is UIBill bill)
{
var page = new AddBillPage(bill.Bill);
page.BillChecked += OnBillChecked;
await Navigation.PushAsync(page);
}
}
}
private async void RefreshBalance(DateTime start, DateTime end)
{
var bills = await Task.Run(() => App.Bills.Where(b => b.CreateTime >= start && b.CreateTime <= end));
var income = bills.Where(b => b.Amount > 0).Sum(b => b.Amount);
var spending = -bills.Where(b => b.Amount < 0).Sum(b => b.Amount);
SetValue(IncomeProperty, income);
SetValue(SpendingProperty, spending);
SetValue(BalanceProperty, income - spending);
}
private async void OnBillChecked(object sender, Bill e)
{
await StoreHelper.SaveBillItemAsync(e);
LoadData();
}
private async void LoadData()
{
var start = StartDate;
var end = EndDate;
var spending = type == CategoryType.Spending;
bills = await Task.Run(() => App.Bills.Where(b => (b.Amount > 0 ^ spending) && b.CreateTime >= start && b.CreateTime <= end));
var primaryColor = BaseTheme.CurrentPrimaryColor.ToSKColor();
var textColor = BaseTheme.CurrentSecondaryTextColor.ToSKColor();
_ = Task.Run(() => LoadReportChart(primaryColor, textColor, start, end));
_ = Task.Run(() => LoadCategoryChart(primaryColor, textColor));
_ = Task.Run(LoadTopBills);
RefreshBalance(start, end);
}
private void LoadReportChart(SKColor primaryColor, SKColor textColor, DateTime start, DateTime end)
{
var entries = new List<ChartEntry>();
for (var day = start; day <= end; day = day.AddDays(1))
{
var daybills = bills.Where(b => Helper.IsSameDay(b.CreateTime, day));
decimal amount = Math.Abs(daybills.Sum(b => b.Amount));
if (amount > 0)
{
entries.Add(new((float)amount)
{
Label = day.ToString("MM-dd"),
ValueLabel = amount.ToString("#,##0.##"),
Color = primaryColor,
TextColor = textColor,
ValueLabelColor = textColor
});
}
}
MainThread.BeginInvokeOnMainThread(() =>
{
if (entries.Count > 0)
{
NoResultChart = false;
Chart = new LineChart
{
BackgroundColor = SKColors.Transparent,
LabelTextSize = 24,
Entries = entries
};
}
else
{
Chart = null;
NoResultChart = true;
}
});
}
private void LoadCategoryChart(SKColor primaryColor, SKColor textColor)
{
var entries = new List<ChartEntry>();
var groups = bills.GroupBy(b => b.CategoryId);
var dict = new Dictionary<string, decimal>();
decimal all = 0m;
foreach (var g in groups)
{
var categoryId = g.Key;
var category = App.Categories.FirstOrDefault(c => c.Id == categoryId);
if (category?.ParentId != null)
{
category = App.Categories.FirstOrDefault(c => c.Id == category.ParentId) ?? category;
}
if (category != null)
{
var total = Math.Abs(g.Sum(g => g.Amount));
all += total;
if (dict.ContainsKey(category.Name))
{
dict[category.Name] += total;
}
else
{
dict.Add(category.Name, total);
}
}
}
foreach (var kv in dict)
{
entries.Add(new((float)kv.Value)
{
Label = kv.Key,
ValueLabel = (kv.Value * 100 / all).ToString("0.#") + "%",
Color = primaryColor,
TextColor = textColor,
ValueLabelColor = textColor
});
}
MainThread.BeginInvokeOnMainThread(() =>
{
if (entries.Count > 0)
{
NoResultCategoryChart = false;
CategoryChart = new RadarChart
{
BackgroundColor = SKColors.Transparent,
LabelTextSize = 30,
Typeface = font,
Entries = entries
};
}
else
{
CategoryChart = null;
NoResultCategoryChart = true;
}
});
}
private void LoadTopBills()
{
List<UIBill> topBills = bills.OrderByDescending(b => Math.Abs(b.Amount)).Take(10).Select(b => Helper.WrapBill(b)).ToList();
MainThread.BeginInvokeOnMainThread(() =>
{
if (topBills.Count > 0)
{
NoResultTopBills = false;
TopBills = topBills;
}
else
{
TopBills = null;
NoResultTopBills = true;
}
});
}
private void Scroller_Scrolled(object sender, ScrolledEventArgs e)
{
if (isFilterToggled)
{
OnFilterCommand(false);
}
}
}
}