Burak Kaan Köse
382 lines
12 KiB
C#
382 lines
12 KiB
C#
using System;
|
|
using System.Collections.Concurrent;
|
|
using System.Globalization;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Threading;
|
|
using System.Threading.Tasks;
|
|
using CommunityToolkit.WinUI;
|
|
using Microsoft.Extensions.DependencyInjection;
|
|
using Microsoft.UI.Xaml;
|
|
using Microsoft.UI.Xaml.Controls;
|
|
using MimeKit;
|
|
using Wino.Core.Domain;
|
|
using Wino.Core.Domain.Enums;
|
|
using Wino.Core.Domain.Interfaces;
|
|
using Wino.Core.Domain.Models.MailItem;
|
|
using Wino.Mail.ViewModels.Data;
|
|
using Wino.Mail.WinUI;
|
|
|
|
namespace Wino.Controls;
|
|
|
|
public sealed partial class CalendarMailItemDisplayInformationControl : UserControl
|
|
{
|
|
private static readonly ConcurrentDictionary<Guid, string> EventDateRangeCache = [];
|
|
|
|
private readonly IMimeFileService _mimeFileService;
|
|
private readonly IPreferencesService _preferencesService;
|
|
private CancellationTokenSource? _loadingCts;
|
|
|
|
[GeneratedDependencyProperty]
|
|
public partial MailItemViewModel? MailItem { get; set; }
|
|
|
|
[GeneratedDependencyProperty(DefaultValue = MailListDisplayMode.Spacious)]
|
|
public partial MailListDisplayMode DisplayMode { get; set; }
|
|
|
|
[GeneratedDependencyProperty(DefaultValue = false)]
|
|
public partial bool Prefer24HourTimeFormat { get; set; }
|
|
|
|
[GeneratedDependencyProperty(DefaultValue = "")]
|
|
public partial string EventDateRangeText { get; set; }
|
|
|
|
public event EventHandler<MailOperationPreperationRequest>? HoverActionExecuted;
|
|
|
|
public CalendarMailItemDisplayInformationControl()
|
|
{
|
|
InitializeComponent();
|
|
|
|
_mimeFileService = App.Current.Services.GetRequiredService<IMimeFileService>();
|
|
_preferencesService = App.Current.Services.GetRequiredService<IPreferencesService>();
|
|
|
|
DisplayMode = _preferencesService.MailItemDisplayMode;
|
|
Prefer24HourTimeFormat = _preferencesService.Prefer24HourTimeFormat;
|
|
|
|
Unloaded += OnControlUnloaded;
|
|
}
|
|
|
|
partial void OnMailItemPropertyChanged(DependencyPropertyChangedEventArgs e)
|
|
{
|
|
_ = LoadEventDateRangeAsync();
|
|
}
|
|
|
|
private async Task LoadEventDateRangeAsync()
|
|
{
|
|
_loadingCts?.Cancel();
|
|
_loadingCts?.Dispose();
|
|
_loadingCts = new CancellationTokenSource();
|
|
var token = _loadingCts.Token;
|
|
|
|
if (MailItem?.MailCopy == null)
|
|
{
|
|
EventDateRangeText = string.Empty;
|
|
return;
|
|
}
|
|
|
|
if (EventDateRangeCache.TryGetValue(MailItem.MailCopy.FileId, out var cachedValue))
|
|
{
|
|
EventDateRangeText = cachedValue;
|
|
return;
|
|
}
|
|
|
|
try
|
|
{
|
|
var accountId = MailItem.MailCopy.AssignedAccount?.Id;
|
|
if (accountId == null || accountId == Guid.Empty)
|
|
{
|
|
EventDateRangeText = Translator.UnknownDateHeader;
|
|
return;
|
|
}
|
|
|
|
var isMimeExists = await _mimeFileService.IsMimeExistAsync(accountId.Value, MailItem.MailCopy.FileId);
|
|
if (!isMimeExists)
|
|
{
|
|
EventDateRangeText = Translator.UnknownDateHeader;
|
|
return;
|
|
}
|
|
|
|
var mimeInfo = await _mimeFileService.GetMimeMessageInformationAsync(MailItem.MailCopy.FileId, accountId.Value, token);
|
|
if (mimeInfo == null)
|
|
{
|
|
EventDateRangeText = Translator.UnknownDateHeader;
|
|
return;
|
|
}
|
|
|
|
var renderedDateRange = ExtractCalendarDateRange(mimeInfo.MimeMessage);
|
|
|
|
EventDateRangeText = string.IsNullOrWhiteSpace(renderedDateRange) ? Translator.UnknownDateHeader : renderedDateRange;
|
|
EventDateRangeCache.TryAdd(MailItem.MailCopy.FileId, EventDateRangeText);
|
|
}
|
|
catch (OperationCanceledException)
|
|
{
|
|
// Ignore; newer bind request superseded this one.
|
|
}
|
|
catch
|
|
{
|
|
EventDateRangeText = Translator.UnknownDateHeader;
|
|
}
|
|
}
|
|
|
|
private void BaseMailControlHoverActionExecuted(object sender, MailOperationPreperationRequest e)
|
|
=> HoverActionExecuted?.Invoke(this, e);
|
|
|
|
private string ExtractCalendarDateRange(MimeMessage message)
|
|
{
|
|
var calendarContent = GetCalendarContent(message);
|
|
if (string.IsNullOrWhiteSpace(calendarContent))
|
|
{
|
|
return string.Empty;
|
|
}
|
|
|
|
var unfoldedIcs = UnfoldIcs(calendarContent);
|
|
var eventSection = ExtractFirstVEventSection(unfoldedIcs);
|
|
|
|
if (!TryReadIcsDateValue(eventSection, "DTSTART", out var dtStartValue, out var dtStartTzId))
|
|
{
|
|
return string.Empty;
|
|
}
|
|
|
|
if (!TryParseIcsDateTime(dtStartValue, dtStartTzId, out var startLocal, out var isAllDay))
|
|
{
|
|
return string.Empty;
|
|
}
|
|
|
|
DateTime endLocal = startLocal;
|
|
if (TryReadIcsDateValue(eventSection, "DTEND", out var dtEndValue, out var dtEndTzId))
|
|
{
|
|
if (!TryParseIcsDateTime(dtEndValue, dtEndTzId, out endLocal, out var endIsAllDay))
|
|
{
|
|
endLocal = startLocal;
|
|
}
|
|
|
|
isAllDay = isAllDay && endIsAllDay;
|
|
}
|
|
|
|
return FormatDisplayDateRange(startLocal, endLocal, isAllDay);
|
|
}
|
|
|
|
private static string GetCalendarContent(MimeMessage message)
|
|
{
|
|
var calendarTextPart = message.BodyParts
|
|
.OfType<TextPart>()
|
|
.FirstOrDefault(x => x.ContentType?.MimeType?.Equals("text/calendar", StringComparison.OrdinalIgnoreCase) == true);
|
|
|
|
if (calendarTextPart != null)
|
|
{
|
|
return calendarTextPart.Text ?? string.Empty;
|
|
}
|
|
|
|
var calendarMimePart = message.BodyParts
|
|
.OfType<MimePart>()
|
|
.FirstOrDefault(x => x.ContentType?.MimeType?.Equals("text/calendar", StringComparison.OrdinalIgnoreCase) == true);
|
|
|
|
if (calendarMimePart == null)
|
|
{
|
|
return string.Empty;
|
|
}
|
|
|
|
using var stream = new MemoryStream();
|
|
calendarMimePart.Content?.DecodeTo(stream);
|
|
var contentBytes = stream.ToArray();
|
|
|
|
if (contentBytes.Length == 0)
|
|
{
|
|
return string.Empty;
|
|
}
|
|
|
|
var charset = calendarMimePart.ContentType?.Charset;
|
|
var encoding = string.IsNullOrWhiteSpace(charset) ? System.Text.Encoding.UTF8 : System.Text.Encoding.GetEncoding(charset);
|
|
return encoding.GetString(contentBytes);
|
|
}
|
|
|
|
private static string UnfoldIcs(string content)
|
|
=> content
|
|
.Replace("\r\n ", string.Empty, StringComparison.Ordinal)
|
|
.Replace("\r\n\t", string.Empty, StringComparison.Ordinal)
|
|
.Replace("\n ", string.Empty, StringComparison.Ordinal)
|
|
.Replace("\n\t", string.Empty, StringComparison.Ordinal);
|
|
|
|
private static string ExtractFirstVEventSection(string ics)
|
|
{
|
|
if (string.IsNullOrWhiteSpace(ics))
|
|
{
|
|
return string.Empty;
|
|
}
|
|
|
|
const string beginVevent = "BEGIN:VEVENT";
|
|
const string endVevent = "END:VEVENT";
|
|
|
|
var beginIndex = ics.IndexOf(beginVevent, StringComparison.OrdinalIgnoreCase);
|
|
if (beginIndex < 0)
|
|
{
|
|
return ics;
|
|
}
|
|
|
|
var endIndex = ics.IndexOf(endVevent, beginIndex, StringComparison.OrdinalIgnoreCase);
|
|
if (endIndex < 0)
|
|
{
|
|
return ics[beginIndex..];
|
|
}
|
|
|
|
return ics.Substring(beginIndex, endIndex - beginIndex + endVevent.Length);
|
|
}
|
|
|
|
private static bool TryReadIcsDateValue(string ics, string propertyName, out string value, out string timeZoneId)
|
|
{
|
|
value = string.Empty;
|
|
timeZoneId = string.Empty;
|
|
|
|
var lines = ics.Split(["\r\n", "\n"], StringSplitOptions.RemoveEmptyEntries);
|
|
foreach (var rawLine in lines)
|
|
{
|
|
var line = rawLine.Trim();
|
|
if (!line.StartsWith(propertyName, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
var colonIndex = line.IndexOf(':');
|
|
if (colonIndex <= 0 || colonIndex == line.Length - 1)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
var parameterSection = line[..colonIndex];
|
|
value = line[(colonIndex + 1)..].Trim();
|
|
|
|
var paramsSplit = parameterSection.Split(';', StringSplitOptions.RemoveEmptyEntries);
|
|
foreach (var parameter in paramsSplit.Skip(1))
|
|
{
|
|
var eqIndex = parameter.IndexOf('=');
|
|
if (eqIndex <= 0 || eqIndex == parameter.Length - 1)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
var name = parameter[..eqIndex].Trim();
|
|
if (!name.Equals("TZID", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
timeZoneId = parameter[(eqIndex + 1)..].Trim().Trim('"');
|
|
break;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
private static bool TryParseIcsDateTime(string rawValue, string timeZoneId, out DateTime localDateTime, out bool isAllDay)
|
|
{
|
|
localDateTime = default;
|
|
isAllDay = false;
|
|
|
|
if (string.IsNullOrWhiteSpace(rawValue))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
var value = rawValue.Trim();
|
|
|
|
if (value.Length == 8 && DateTime.TryParseExact(value, "yyyyMMdd", CultureInfo.InvariantCulture, DateTimeStyles.None, out var dateOnly))
|
|
{
|
|
localDateTime = dateOnly.Date;
|
|
isAllDay = true;
|
|
return true;
|
|
}
|
|
|
|
var isUtc = value.EndsWith("Z", StringComparison.OrdinalIgnoreCase);
|
|
if (isUtc)
|
|
{
|
|
value = value[..^1];
|
|
}
|
|
|
|
var formats = new[] { "yyyyMMdd'T'HHmmss", "yyyyMMdd'T'HHmm" };
|
|
if (!DateTime.TryParseExact(value, formats, CultureInfo.InvariantCulture, DateTimeStyles.None, out var parsedDate))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (isUtc)
|
|
{
|
|
localDateTime = DateTime.SpecifyKind(parsedDate, DateTimeKind.Utc).ToLocalTime();
|
|
return true;
|
|
}
|
|
|
|
if (!string.IsNullOrWhiteSpace(timeZoneId) && TryFindTimeZone(timeZoneId, out var sourceZone))
|
|
{
|
|
var unspecifiedTime = DateTime.SpecifyKind(parsedDate, DateTimeKind.Unspecified);
|
|
localDateTime = TimeZoneInfo.ConvertTime(unspecifiedTime, sourceZone, TimeZoneInfo.Local);
|
|
return true;
|
|
}
|
|
|
|
localDateTime = DateTime.SpecifyKind(parsedDate, DateTimeKind.Local);
|
|
return true;
|
|
}
|
|
|
|
private static bool TryFindTimeZone(string timeZoneId, out TimeZoneInfo timeZone)
|
|
{
|
|
timeZone = null!;
|
|
|
|
try
|
|
{
|
|
timeZone = TimeZoneInfo.FindSystemTimeZoneById(timeZoneId);
|
|
return true;
|
|
}
|
|
catch
|
|
{
|
|
if (TimeZoneInfo.TryConvertIanaIdToWindowsId(timeZoneId, out var windowsId))
|
|
{
|
|
try
|
|
{
|
|
timeZone = TimeZoneInfo.FindSystemTimeZoneById(windowsId);
|
|
return true;
|
|
}
|
|
catch
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
private string FormatDisplayDateRange(DateTime startLocal, DateTime endLocal, bool isAllDay)
|
|
{
|
|
if (endLocal < startLocal)
|
|
{
|
|
endLocal = startLocal;
|
|
}
|
|
|
|
var culture = CultureInfo.DefaultThreadCurrentUICulture;
|
|
if (isAllDay)
|
|
{
|
|
var adjustedEnd = endLocal.Date > startLocal.Date ? endLocal.Date.AddDays(-1) : startLocal.Date;
|
|
|
|
if (adjustedEnd.Date > startLocal.Date)
|
|
{
|
|
return $"{startLocal.ToString("d", culture)} - {adjustedEnd.ToString("d", culture)} ({Translator.CalendarItemAllDay})";
|
|
}
|
|
|
|
return $"{startLocal.ToString("d", culture)} ({Translator.CalendarItemAllDay})";
|
|
}
|
|
|
|
var timeFormat = Prefer24HourTimeFormat ? "HH:mm" : "h:mm tt";
|
|
|
|
if (startLocal.Date == endLocal.Date)
|
|
{
|
|
return $"{startLocal.ToString($"ddd, MMM d {timeFormat}", culture)} - {endLocal.ToString(timeFormat, culture)}";
|
|
}
|
|
|
|
return $"{startLocal.ToString($"ddd, MMM d {timeFormat}", culture)} - {endLocal.ToString($"ddd, MMM d {timeFormat}", culture)}";
|
|
}
|
|
|
|
private void OnControlUnloaded(object sender, RoutedEventArgs e)
|
|
{
|
|
_loadingCts?.Cancel();
|
|
}
|
|
}
|