private async void OnCallbackQuery(object sender, CallbackQueryEventArgs e)
{
if (sender == null)
{
return;
}
try
{
await _telegramBotClient.AnswerCallbackQueryAsync(e.CallbackQuery.Id, "Секунду...");
}
catch (InvalidParameterException exception)
{
Console.WriteLine($"Шеф, все пропало: {exception.Message}");
return;
}
await using var dbContext = new ApplicationDbContext();
var chatContext = dbContext.ChatContexts.FirstOrDefault(context => context.ChatId == e.CallbackQuery.Message.Chat.Id);
string group = chatContext?.Group;
if (group == null)
{
return;
}
var scheduleEntry = dbContext.Schedules.FirstOrDefault(entry => entry.Group == group);
var schedule = scheduleEntry?.Schedule;
if (schedule == null)
{
string groupId = await _scheduleProvider.GetGroupId(group);
schedule = await _scheduleProvider.ParseScheduleByGroup(groupId);
if (schedule == null)
{
await _telegramBotClient.SendTextMessageAsync(e.CallbackQuery.Message.Chat, "Произошла ошибка при получении расписания, извините.");
return;
}
var scheduleDbEntry = new ScheduleDbEntry()
{
Group = group,
LastUpdate = DateTime.Now,
Schedule = schedule
};
dbContext.Schedules.Add(scheduleDbEntry);
}
if (e.CallbackQuery.Data == DayType.Today.ToString())
{
await _telegramBotClient.SendTextMessageAsync(e.CallbackQuery.Message.Chat, schedule.OutputDay(DayType.Today));
}
else if (e.CallbackQuery.Data == DayType.Tomorrow.ToString())
{
await _telegramBotClient.SendTextMessageAsync(e.CallbackQuery.Message.Chat, schedule.OutputDay(DayType.Tomorrow));
}
else if (e.CallbackQuery.Data.StartsWith(DayType.Date.ToString()))
{
await _telegramBotClient.SendTextMessageAsync(e.CallbackQuery.Message.Chat, schedule.OutputDay(DayType.Date, e.CallbackQuery.Data.Remove(0, 5)));
}
await dbContext.SaveChangesAsync();
}
private async Task CheckSubscribersAsync()
{
TimeSpan delay = TimeSpan.FromMinutes(1);
while (true)
{
await using var dbContext = new ApplicationDbContext();
var currentTime = DateTime.Now;
var currentDay = DateTime.Today;
var stopwatch = Stopwatch.StartNew();
var subscriptions = dbContext.Subscriptions
.Include(subscription => subscription.ChatContext);
stopwatch.Stop();
Console.WriteLine($"Checking subscribers. Time is {DateTime.Now}. Pending subscriptions count is {subscriptions.Count()}. Elapsed time {stopwatch.ElapsedMilliseconds} ms");
foreach (var subscription in subscriptions)
{
if (subscription.LastNotificationTime + subscription.NotificationInterval > currentTime)
{
continue;
}
var chatContext = subscription.ChatContext;
var group = chatContext.Group;
var scheduleEntry = dbContext.Schedules.FirstOrDefault(entry => entry.Group == group);
var schedule = scheduleEntry?.Schedule;
if (schedule == null)
{
string groupId = await _scheduleProvider.GetGroupId(group);
schedule = await _scheduleProvider.ParseScheduleByGroup(groupId);
if (schedule == null)
{
await _telegramBotClient.SendTextMessageAsync(chatContext.GetChat(), "Произошла ошибка при получении расписания, извините.");
return;
}
var scheduleDbEntry = new ScheduleDbEntry()
{
Group = group,
LastUpdate = DateTime.Now,
Schedule = schedule
};
dbContext.Schedules.Add(scheduleDbEntry);
}
await _telegramBotClient.SendTextMessageAsync(chatContext.GetChat(), schedule.OutputDay(DayType.Today));
subscription.LastNotificationTime = currentDay + subscription.NotificationTime;
}
await dbContext.SaveChangesAsync();
await Task.Delay(delay);
}
}