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| 1 | +using System.Text; |
| 2 | +using HuaJiBot.NET.Bot; |
| 3 | +using Ical.Net.CalendarComponents; |
| 4 | +using Timer = System.Timers.Timer; |
| 5 | + |
| 6 | +namespace HuaJiBot.NET.Plugin.Calendar; |
| 7 | + |
| 8 | +/// <summary> |
| 9 | +/// 社团事务临期提醒功能 |
| 10 | +/// 提供一周预告和一天提醒功能 |
| 11 | +/// </summary> |
| 12 | +internal class ClubAffairsReminder : IDisposable |
| 13 | +{ |
| 14 | + public PluginConfig Config { get; } |
| 15 | + public BotService Service { get; } |
| 16 | + private readonly Func<Ical.Net.Calendar?> _getCalendar; |
| 17 | + private Ical.Net.Calendar? Calendar => _getCalendar(); |
| 18 | + private readonly Timer _dailyCheckTimer; |
| 19 | + private const int CheckIntervalMinutes = 60; // 每小时检查一次 |
| 20 | + private DateTimeOffset _lastWeeklySummaryDate = DateTimeOffset.MinValue; |
| 21 | + private DateTimeOffset _lastDailyReminderDate = DateTimeOffset.MinValue; |
| 22 | + |
| 23 | + public ClubAffairsReminder( |
| 24 | + BotService service, |
| 25 | + PluginConfig config, |
| 26 | + Func<Ical.Net.Calendar?> getCalendar |
| 27 | + ) |
| 28 | + { |
| 29 | + Service = service; |
| 30 | + Config = config; |
| 31 | + _getCalendar = getCalendar; |
| 32 | + _dailyCheckTimer = new Timer(TimeSpan.FromMinutes(CheckIntervalMinutes)); |
| 33 | + _dailyCheckTimer.Elapsed += (_, _) => CheckAndSendReminders(); |
| 34 | + _dailyCheckTimer.AutoReset = true; |
| 35 | + |
| 36 | + // 初始延迟检查 |
| 37 | + Task.Delay(30_000).ContinueWith(_ => CheckAndSendReminders()); |
| 38 | + } |
| 39 | + |
| 40 | + public void Start() |
| 41 | + { |
| 42 | + _dailyCheckTimer.Start(); |
| 43 | + } |
| 44 | + |
| 45 | + private void CheckAndSendReminders() |
| 46 | + { |
| 47 | + try |
| 48 | + { |
| 49 | + var now = Utils.NetworkTime.Now; |
| 50 | + |
| 51 | + // 检查是否应该发送每周汇总(每周一上午9:00) |
| 52 | + if (ShouldSendWeeklySummary(now)) |
| 53 | + { |
| 54 | + SendWeeklySummary(now); |
| 55 | + _lastWeeklySummaryDate = now.Date; |
| 56 | + } |
| 57 | + |
| 58 | + // 检查是否应该发送每日提醒(每天上午9:00) |
| 59 | + if (ShouldSendDailyReminder(now)) |
| 60 | + { |
| 61 | + SendDailyReminder(now); |
| 62 | + _lastDailyReminderDate = now.Date; |
| 63 | + } |
| 64 | + } |
| 65 | + catch (Exception ex) |
| 66 | + { |
| 67 | + Service.LogError("社团事务提醒任务出现异常", ex); |
| 68 | + } |
| 69 | + } |
| 70 | + |
| 71 | + private bool ShouldSendWeeklySummary(DateTimeOffset now) |
| 72 | + { |
| 73 | + // 每周一上午9:00发送 |
| 74 | + if (now.DayOfWeek != DayOfWeek.Monday) |
| 75 | + return false; |
| 76 | + |
| 77 | + if (now.Hour != 9) |
| 78 | + return false; |
| 79 | + |
| 80 | + // 检查今天是否已经发送过 |
| 81 | + return now.Date != _lastWeeklySummaryDate.Date; |
| 82 | + } |
| 83 | + |
| 84 | + private bool ShouldSendDailyReminder(DateTimeOffset now) |
| 85 | + { |
| 86 | + // 每天上午9:00发送 |
| 87 | + if (now.Hour != 9) |
| 88 | + return false; |
| 89 | + |
| 90 | + // 检查今天是否已经发送过 |
| 91 | + return now.Date != _lastDailyReminderDate.Date; |
| 92 | + } |
| 93 | + |
| 94 | + private void SendWeeklySummary(DateTimeOffset now) |
| 95 | + { |
| 96 | + if (Calendar is null) |
| 97 | + { |
| 98 | + Service.Log("[社团事务] 日历为空,跳过每周汇总发送"); |
| 99 | + return; |
| 100 | + } |
| 101 | + |
| 102 | + var weekStart = now; |
| 103 | + var weekEnd = now.AddDays(7); |
| 104 | + |
| 105 | + var upcomingEvents = Calendar |
| 106 | + .GetEvents(weekStart, weekEnd) |
| 107 | + .OrderBy(x => x.period.StartTime) |
| 108 | + .ToList(); |
| 109 | + |
| 110 | + if (upcomingEvents.Count == 0) |
| 111 | + { |
| 112 | + Service.Log("[社团事务] 本周无即将到期的事务"); |
| 113 | + return; |
| 114 | + } |
| 115 | + |
| 116 | + var message = BuildWeeklySummaryMessage(now, weekEnd, upcomingEvents); |
| 117 | + |
| 118 | + foreach (var group in Config.ReminderGroups) |
| 119 | + { |
| 120 | + if (group.Mode == PluginConfig.ReminderFilterConfig.FilterMode.Default || |
| 121 | + ShouldSendToGroup(upcomingEvents, group)) |
| 122 | + { |
| 123 | + Service.SendGroupMessageAsync(null, group.GroupId, message); |
| 124 | + Service.Log($"[社团事务] 已向群组 {group.GroupId} 发送每周汇总"); |
| 125 | + } |
| 126 | + } |
| 127 | + } |
| 128 | + |
| 129 | + private void SendDailyReminder(DateTimeOffset now) |
| 130 | + { |
| 131 | + if (Calendar is null) |
| 132 | + { |
| 133 | + Service.Log("[社团事务] 日历为空,跳过每日提醒发送"); |
| 134 | + return; |
| 135 | + } |
| 136 | + |
| 137 | + var tomorrow = now.Date.AddDays(1); |
| 138 | + var dayAfterTomorrow = tomorrow.AddDays(1); |
| 139 | + |
| 140 | + var tomorrowEvents = Calendar |
| 141 | + .GetEvents(tomorrow, dayAfterTomorrow) |
| 142 | + .OrderBy(x => x.period.StartTime) |
| 143 | + .ToList(); |
| 144 | + |
| 145 | + if (tomorrowEvents.Count == 0) |
| 146 | + { |
| 147 | + Service.Log("[社团事务] 明天无即将到期的事务"); |
| 148 | + return; |
| 149 | + } |
| 150 | + |
| 151 | + var message = BuildDailyReminderMessage(tomorrow, tomorrowEvents); |
| 152 | + |
| 153 | + foreach (var group in Config.ReminderGroups) |
| 154 | + { |
| 155 | + var groupEvents = FilterEventsForGroup(tomorrowEvents, group); |
| 156 | + if (groupEvents.Count > 0) |
| 157 | + { |
| 158 | + var groupMessage = BuildDailyReminderMessage(tomorrow, groupEvents); |
| 159 | + Service.SendGroupMessageAsync(null, group.GroupId, groupMessage); |
| 160 | + Service.Log($"[社团事务] 已向群组 {group.GroupId} 发送每日提醒"); |
| 161 | + } |
| 162 | + } |
| 163 | + } |
| 164 | + |
| 165 | + private bool ShouldSendToGroup( |
| 166 | + List<(CalendarExtensions.Period period, CalendarEvent e)> events, |
| 167 | + PluginConfig.ReminderFilterConfig group |
| 168 | + ) |
| 169 | + { |
| 170 | + if (group.Mode == PluginConfig.ReminderFilterConfig.FilterMode.Default) |
| 171 | + return true; |
| 172 | + |
| 173 | + return events.Any(evt => |
| 174 | + { |
| 175 | + var e = evt.e; |
| 176 | + var list = group.Keywords; |
| 177 | + return group.Mode switch |
| 178 | + { |
| 179 | + PluginConfig.ReminderFilterConfig.FilterMode.WhiteList => list.Any(x => |
| 180 | + (e.Summary?.Contains(x) ?? false) |
| 181 | + || (e.Description?.Contains(x) ?? false) |
| 182 | + || (e.Location ?? "").Contains(x) |
| 183 | + ), |
| 184 | + PluginConfig.ReminderFilterConfig.FilterMode.BlackList => !list.Any(x => |
| 185 | + (e.Summary?.Contains(x) ?? false) |
| 186 | + || (e.Description?.Contains(x) ?? false) |
| 187 | + || (e.Location ?? "").Contains(x) |
| 188 | + ), |
| 189 | + _ => false, |
| 190 | + }; |
| 191 | + }); |
| 192 | + } |
| 193 | + |
| 194 | + private List<(CalendarExtensions.Period period, CalendarEvent e)> FilterEventsForGroup( |
| 195 | + List<(CalendarExtensions.Period period, CalendarEvent e)> events, |
| 196 | + PluginConfig.ReminderFilterConfig group |
| 197 | + ) |
| 198 | + { |
| 199 | + if (group.Mode == PluginConfig.ReminderFilterConfig.FilterMode.Default) |
| 200 | + return events; |
| 201 | + |
| 202 | + return events |
| 203 | + .Where(evt => |
| 204 | + { |
| 205 | + var e = evt.e; |
| 206 | + var list = group.Keywords; |
| 207 | + return group.Mode switch |
| 208 | + { |
| 209 | + PluginConfig.ReminderFilterConfig.FilterMode.WhiteList => list.Any(x => |
| 210 | + (e.Summary?.Contains(x) ?? false) |
| 211 | + || (e.Description?.Contains(x) ?? false) |
| 212 | + || (e.Location ?? "").Contains(x) |
| 213 | + ), |
| 214 | + PluginConfig.ReminderFilterConfig.FilterMode.BlackList => !list.Any(x => |
| 215 | + (e.Summary?.Contains(x) ?? false) |
| 216 | + || (e.Description?.Contains(x) ?? false) |
| 217 | + || (e.Location ?? "").Contains(x) |
| 218 | + ), |
| 219 | + _ => true, |
| 220 | + }; |
| 221 | + }) |
| 222 | + .ToList(); |
| 223 | + } |
| 224 | + |
| 225 | + private string BuildWeeklySummaryMessage( |
| 226 | + DateTimeOffset weekStart, |
| 227 | + DateTimeOffset weekEnd, |
| 228 | + List<(CalendarExtensions.Period period, CalendarEvent e)> events |
| 229 | + ) |
| 230 | + { |
| 231 | + var sb = new StringBuilder(); |
| 232 | + sb.AppendLine( |
| 233 | + $"📢 社团事务一周预告({weekStart:MM月dd日}~{weekEnd:MM月dd日})" |
| 234 | + ); |
| 235 | + sb.AppendLine("以下事务将在一周内到期,请相关负责人提前准备:"); |
| 236 | + sb.AppendLine(); |
| 237 | + |
| 238 | + for (int i = 0; i < events.Count; i++) |
| 239 | + { |
| 240 | + var (period, e) = events[i]; |
| 241 | + var emoji = GetNumberEmoji(i + 1); |
| 242 | + var dateStr = period.StartTime.ToString("MM月dd日"); |
| 243 | + var responsible = ExtractResponsible(e); |
| 244 | + sb.AppendLine( |
| 245 | + $"{emoji} [{dateStr}] {e.Summary ?? "未命名事务"}{(string.IsNullOrEmpty(responsible) ? "" : $"(负责人:{responsible})")}" |
| 246 | + ); |
| 247 | + } |
| 248 | + |
| 249 | + sb.AppendLine(); |
| 250 | + sb.AppendLine("✅ 请大家合理安排时间,确保事项按时完成。"); |
| 251 | + sb.AppendLine("—— 社团事务提醒机器人 🤖"); |
| 252 | + |
| 253 | + return sb.ToString(); |
| 254 | + } |
| 255 | + |
| 256 | + private string BuildDailyReminderMessage( |
| 257 | + DateTimeOffset tomorrow, |
| 258 | + List<(CalendarExtensions.Period period, CalendarEvent e)> events |
| 259 | + ) |
| 260 | + { |
| 261 | + var sb = new StringBuilder(); |
| 262 | + sb.AppendLine("⏰ 临期提醒"); |
| 263 | + sb.AppendLine($"明天({tomorrow:MM月dd日})截止的社团事务:"); |
| 264 | + sb.AppendLine(); |
| 265 | + |
| 266 | + foreach (var (period, e) in events) |
| 267 | + { |
| 268 | + var responsible = ExtractResponsible(e); |
| 269 | + sb.AppendLine( |
| 270 | + $"• {e.Summary ?? "未命名事务"}{(string.IsNullOrEmpty(responsible) ? "" : $"(负责人:{responsible})")}" |
| 271 | + ); |
| 272 | + } |
| 273 | + |
| 274 | + sb.AppendLine(); |
| 275 | + sb.AppendLine("请务必在截止前完成相关工作!"); |
| 276 | + sb.AppendLine("—— 社团事务提醒机器人 🤖"); |
| 277 | + |
| 278 | + return sb.ToString(); |
| 279 | + } |
| 280 | + |
| 281 | + private string ExtractResponsible(CalendarEvent e) |
| 282 | + { |
| 283 | + // 尝试从描述中提取负责人信息 |
| 284 | + if (string.IsNullOrWhiteSpace(e.Description)) |
| 285 | + return string.Empty; |
| 286 | + |
| 287 | + // 查找常见的负责人标识 |
| 288 | + var patterns = new[] { "负责人:", "负责人:", "责任人:", "责任人:" }; |
| 289 | + foreach (var pattern in patterns) |
| 290 | + { |
| 291 | + var index = e.Description.IndexOf(pattern, StringComparison.OrdinalIgnoreCase); |
| 292 | + if (index >= 0) |
| 293 | + { |
| 294 | + var startIndex = index + pattern.Length; |
| 295 | + var endIndex = e.Description.IndexOfAny( |
| 296 | + new[] { '\n', '\r', ')', ')', ',', ',' }, |
| 297 | + startIndex |
| 298 | + ); |
| 299 | + if (endIndex > startIndex) |
| 300 | + { |
| 301 | + return e.Description.Substring(startIndex, endIndex - startIndex).Trim(); |
| 302 | + } |
| 303 | + else if (startIndex < e.Description.Length) |
| 304 | + { |
| 305 | + var remaining = e.Description.Substring(startIndex).Trim(); |
| 306 | + // 取前20个字符作为负责人名字 |
| 307 | + return remaining.Length > 20 ? remaining.Substring(0, 20) : remaining; |
| 308 | + } |
| 309 | + } |
| 310 | + } |
| 311 | + |
| 312 | + return string.Empty; |
| 313 | + } |
| 314 | + |
| 315 | + private string GetNumberEmoji(int number) |
| 316 | + { |
| 317 | + return number switch |
| 318 | + { |
| 319 | + 1 => "1️⃣", |
| 320 | + 2 => "2️⃣", |
| 321 | + 3 => "3️⃣", |
| 322 | + 4 => "4️⃣", |
| 323 | + 5 => "5️⃣", |
| 324 | + 6 => "6️⃣", |
| 325 | + 7 => "7️⃣", |
| 326 | + 8 => "8️⃣", |
| 327 | + 9 => "9️⃣", |
| 328 | + 10 => "🔟", |
| 329 | + _ => $"{number}.", |
| 330 | + }; |
| 331 | + } |
| 332 | + |
| 333 | + public void Dispose() |
| 334 | + { |
| 335 | + _dailyCheckTimer?.Dispose(); |
| 336 | + } |
| 337 | +} |
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