public async Task <ChadderError> TakeAllMessagesBack(ChadderConversation conversation)
{
var package = new TakeMessageBackContent();
var content = await EncryptForUser(package, conversation.Contact);
var request = new SendPackageParameter()
{
UserId = conversation.ContactUserId,
Data = content.Serialize()
};
var result = await AuthorizedRequest <BasicResponse <string> >(Connection.ChatHub, "SendPackageToUser", request);
if (result.Error == ChadderError.OK)
{
await db.DeleteAllMessages(conversation);
}
return(result.Error);
}
public virtual async Task ProcessTakeBack(TakeMessageBackContent content, string fromId, string toId)
{
ChadderConversation conversation = null;
if (fromId == db.LocalUser.UserId)
{
conversation = db.GetContactConversation(toId);
}
else
{
conversation = db.GetContactConversation(fromId);
}
if (content.MessageIds.Count == 0)
{
foreach (var msg in conversation.Messages)
{
if (msg.UserId == fromId)
{
await db.DeleteMessage(msg, conversation);
}
}
}
else
{
foreach (var id in content.MessageIds)
{
var msg = conversation.Messages.FirstOrDefault(i => i.MessageId == id);
if (msg != null)
{
if (msg.Sender.UserId == fromId)
{
await db.DeleteMessage(msg, conversation);
}
else
{
Insight.Track(string.Format("User {0} unauthorized take back", fromId));
}
}
}
}
}
