public static void DeleteMessage(SignalMessage message)
{
lock (DBLock)
{
using (var ctx = new SignalDBContext())
{
ctx.Remove(message);
SignalConversation conversation = ctx.Contacts
.Where(c => c.ThreadId == message.ThreadId)
.Single();
conversation.MessagesCount -= 1;
conversation.LastMessage = null;
conversation.LastMessageId = null;
conversation.LastSeenMessage = null;
conversation.LastSeenMessageIndex = ctx.Messages
.Where(m => m.ThreadId == conversation.ThreadId)
.Count() - 1;
// also delete fts message
SignalMessageContent ftsMessage = ctx.Messages_fts.Where(m => m == message.Content)
.Single();
ctx.Remove(ftsMessage);
ctx.SaveChanges();
}
}
}
public static void DeleteAttachment(SignalAttachment attachment)
{
lock (DBLock)
{
using (var ctx = new SignalDBContext())
{
ctx.Remove(attachment);
ctx.SaveChanges();
}
}
}