public void RemoveReminder(long chatId, long reminderId)
{
this.chatsLock.EnterWriteLock();
try
{
Chat chat;
if (this.chats.TryGetValue(chatId, out chat))
{
Reminder reminder = chat.Reminders.FirstOrDefault(r => r.ReminderId == reminderId);
if (reminder != null)
{
chat.Reminders.Remove(reminder);
using (RemindersDbContext context = new RemindersDbContext())
{
context.Reminders.Remove(reminder);
context.SaveChanges();
}
}
this.ReminderRemoved(reminder);
}
}
finally
{
this.chatsLock.ExitWriteLock();
}
}
public void StoreReminder(Reminder reminder)
{
this.chatsLock.EnterWriteLock();
try
{
using (RemindersDbContext context = new RemindersDbContext())
{
context.Reminders.Add(reminder);
context.SaveChanges();
}
Chat chat;
if (this.chats.TryGetValue(reminder.ChatId, out chat))
{
chat.Reminders.Add(reminder);
reminder.Chat = chat;
}
this.ReminderAdded(reminder);
}
finally
{
this.chatsLock.ExitWriteLock();
}
}
public void SetTimeZone(long chatId, TimeSpan timeZone)
{
this.chatsLock.EnterUpgradeableReadLock();
try
{
Chat chat;
if (this.chats.TryGetValue(chatId, out chat))
{
if (chat.TimeZone != timeZone)
{
this.chatsLock.EnterWriteLock();
try
{
TimeSpan oldTimeZone = chat.TimeZone;
chat.TimeZone = timeZone;
using (RemindersDbContext context = new RemindersDbContext())
{
Chat dbchat = context.Chats.Where((c) => c.ChatId == chatId).FirstOrDefault();
dbchat.TimeZone = timeZone;
context.SaveChanges();
}
this.TimeZoneChanged(oldTimeZone, chat);
}
finally
{
this.chatsLock.ExitWriteLock();
}
}
}
else
{
this.chatsLock.EnterWriteLock();
try
{
chat = new Chat {
ChatId = chatId, TimeZone = timeZone, Reminders = new List <Reminder>()
};
this.chats[chatId] = chat;
using (RemindersDbContext context = new RemindersDbContext())
{
context.Chats.Add(chat);
context.SaveChanges();
}
}
finally
{
this.chatsLock.ExitWriteLock();
}
}
}
finally
{
this.chatsLock.ExitUpgradeableReadLock();
}
}
public ReminderDbRepository()
{
using (RemindersDbContext context = new RemindersDbContext())
{
context.Database.EnsureCreated();
this.chatsLock.EnterWriteLock();
try
{
foreach (Chat chat in context.Chats.Include(chat => chat.Reminders))
{
this.chats.Add(chat.ChatId, chat);
}
}
finally
{
this.chatsLock.ExitWriteLock();
}
}
}
