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Statistics.cs
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233 lines (193 loc) · 7.46 KB
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using System;
using System.Collections.Generic;
using System.Globalization;
using LiveChartsCore;
using LiveChartsCore.Defaults;
using LiveChartsCore.SkiaSharpView;
using LiveChartsCore.SkiaSharpView.Painting;
using SkiaSharp;
namespace SourceGit.Models
{
public enum StatisticsMode
{
All,
ThisMonth,
ThisWeek,
}
public class StatisticsAuthor(User user, int count)
{
public User User { get; set; } = user;
public int Count { get; set; } = count;
}
public class StatisticsReport
{
public int Total { get; set; } = 0;
public List<StatisticsAuthor> Authors { get; set; } = new();
public List<ISeries> Series { get; set; } = new();
public List<Axis> XAxes { get; set; } = new();
public List<Axis> YAxes { get; set; } = new();
public StatisticsAuthor SelectedAuthor { get => _selectedAuthor; set => ChangeAuthor(value); }
public StatisticsReport(StatisticsMode mode, DateTime start)
{
_mode = mode;
YAxes.Add(new Axis()
{
TextSize = 10,
MinLimit = 0,
SeparatorsPaint = new SolidColorPaint(new SKColor(0x40808080)) { StrokeThickness = 1 }
});
if (mode == StatisticsMode.ThisWeek)
{
for (int i = 0; i < 7; i++)
_mapSamples.Add(start.AddDays(i), 0);
XAxes.Add(new DateTimeAxis(TimeSpan.FromDays(1), v => WEEKDAYS[(int)v.DayOfWeek]) { TextSize = 10 });
}
else if (mode == StatisticsMode.ThisMonth)
{
var now = DateTime.Now;
var maxDays = DateTime.DaysInMonth(now.Year, now.Month);
for (int i = 0; i < maxDays; i++)
_mapSamples.Add(start.AddDays(i), 0);
XAxes.Add(new DateTimeAxis(TimeSpan.FromDays(1), v => $"{v:MM/dd}") { TextSize = 10 });
}
else
{
XAxes.Add(new DateTimeAxis(TimeSpan.FromDays(30), v => $"{v:yyyy/MM}") { TextSize = 10 });
}
}
public void AddCommit(DateTime time, User author)
{
Total++;
DateTime normalized;
if (_mode == StatisticsMode.ThisWeek || _mode == StatisticsMode.ThisMonth)
normalized = time.Date;
else
normalized = new DateTime(time.Year, time.Month, 1).ToLocalTime();
if (_mapSamples.TryGetValue(normalized, out var vs))
_mapSamples[normalized] = vs + 1;
else
_mapSamples.Add(normalized, 1);
if (_mapUsers.TryGetValue(author, out var vu))
_mapUsers[author] = vu + 1;
else
_mapUsers.Add(author, 1);
if (_mapUserSamples.TryGetValue(author, out var vus))
{
if (vus.TryGetValue(normalized, out var n))
vus[normalized] = n + 1;
else
vus.Add(normalized, 1);
}
else
{
_mapUserSamples.Add(author, new Dictionary<DateTime, int>
{
{ normalized, 1 }
});
}
}
public void Complete()
{
foreach (var kv in _mapUsers)
Authors.Add(new StatisticsAuthor(kv.Key, kv.Value));
Authors.Sort((l, r) => r.Count - l.Count);
var samples = new List<DateTimePoint>();
foreach (var kv in _mapSamples)
samples.Add(new DateTimePoint(kv.Key, kv.Value));
Series.Add(
new ColumnSeries<DateTimePoint>()
{
Values = samples,
Stroke = null,
Fill = null,
Padding = 1,
}
);
_mapUsers.Clear();
_mapSamples.Clear();
}
public void ChangeColor(uint color)
{
_fillColor = color;
var fill = new SKColor(color);
if (Series.Count > 0 && Series[0] is ColumnSeries<DateTimePoint> total)
total.Fill = new SolidColorPaint(_selectedAuthor == null ? fill : fill.WithAlpha(51));
if (Series.Count > 1 && Series[1] is ColumnSeries<DateTimePoint> user)
user.Fill = new SolidColorPaint(fill);
}
public void ChangeAuthor(StatisticsAuthor author)
{
if (author == _selectedAuthor)
return;
_selectedAuthor = author;
Series.RemoveRange(1, Series.Count - 1);
if (author == null || !_mapUserSamples.TryGetValue(author.User, out var userSamples))
{
ChangeColor(_fillColor);
return;
}
var samples = new List<DateTimePoint>();
foreach (var kv in userSamples)
samples.Add(new DateTimePoint(kv.Key, kv.Value));
Series.Add(
new ColumnSeries<DateTimePoint>()
{
Values = samples,
Stroke = null,
Fill = null,
Padding = 1,
}
);
ChangeColor(_fillColor);
}
private static readonly string[] WEEKDAYS = ["SUN", "MON", "TUE", "WED", "THU", "FRI", "SAT"];
private StatisticsMode _mode;
private Dictionary<User, int> _mapUsers = new();
private Dictionary<DateTime, int> _mapSamples = new();
private Dictionary<User, Dictionary<DateTime, int>> _mapUserSamples = new();
private StatisticsAuthor _selectedAuthor = null;
private uint _fillColor = 255;
}
public class Statistics
{
public StatisticsReport All { get; }
public StatisticsReport Month { get; }
public StatisticsReport Week { get; }
public Statistics()
{
var today = DateTime.Now.ToLocalTime().Date;
var weekOffset = (7 + (int)today.DayOfWeek - (int)CultureInfo.CurrentCulture.DateTimeFormat.FirstDayOfWeek) % 7;
_thisWeekStart = today.AddDays(-weekOffset);
_thisMonthStart = today.AddDays(1 - today.Day);
All = new StatisticsReport(StatisticsMode.All, DateTime.MinValue);
Month = new StatisticsReport(StatisticsMode.ThisMonth, _thisMonthStart);
Week = new StatisticsReport(StatisticsMode.ThisWeek, _thisWeekStart);
}
public void AddCommit(string author, double timestamp)
{
var emailIdx = author.IndexOf('±');
var email = author.Substring(emailIdx + 1).ToLower(CultureInfo.CurrentCulture);
if (!_users.TryGetValue(email, out var user))
{
user = User.FindOrAdd(author);
_users.Add(email, user);
}
var time = DateTime.UnixEpoch.AddSeconds(timestamp).ToLocalTime();
if (time >= _thisWeekStart)
Week.AddCommit(time, user);
if (time >= _thisMonthStart)
Month.AddCommit(time, user);
All.AddCommit(time, user);
}
public void Complete()
{
_users.Clear();
All.Complete();
Month.Complete();
Week.Complete();
}
private readonly DateTime _thisMonthStart;
private readonly DateTime _thisWeekStart;
private readonly Dictionary<string, User> _users = new();
}
}