/// <summary>
///
/// </summary>
/// <param name="message"></param>
/// <param name="users">All users from dialogs. Is need to find out friends related to this dialog.</param>
/// <param name="photo"></param>
public Dialog(Message message, IList<UserInfo> users)
{
bool isConference = message.Chatid > 0 ? true : false;
if (isConference)
_chatid = message.Chatid;
else
{
_chatid = message.Mid;
_mid = message.Mid;
}
_uid = message.Uid;
_isConference = isConference;
_isRead = message.IsRead;
_attachmentCount = 1;
if (string.IsNullOrEmpty(message.Body))
{
if (message.Attachments != null && message.Attachments.Any())
{
var att = message.Attachments.FirstOrDefault();
if (att != null)
_lastMessage = att.Type;
}
else if (message.FwdMessages != null && message.FwdMessages.Any())
{
_lastMessage = AppResources.ForwardedContentLabel;
}
else if (message.GeoLocation != null)
{
_lastMessage = AppResources.LocContentLabel;
}
else
{
_lastMessage = "<>";
}
}
else
_lastMessage = CommonHelper.GetFormattedMessage(message.Body);
_time = message.Date;
IsOut = message.IsOut;
_dateTime = CommonHelper.GetFormattedDialogTime(_time);
if (isConference)
{
_title = message.Title;
_isOnline = false;
}
else
{
UserInfo user = users.FirstOrDefault(x => x.Uid == message.Uid);
if (user != null)
{
_title = user.FullName;
_isOnline = user.IsOnline;
_photoUri = user.Photo;
}
}
_chatActive = message.ChatActive;
}
/// <summary>
///
/// </summary>
/// <param name="id"></param>
/// <param name="isConference"></param>
/// <returns></returns>
public ChatViewModel GetChatViewModel(int id, bool isConference)
{
_currentChatId = id;
_isCurrentConference = isConference;
try
{
var currentMessages = _messagesCache.GetItems(id);
string title = EntitiesHelpers.GetChatTitle(id, isConference);
// Load only 30 first from cache.
int finish = currentMessages.Count - MESSAGES_COUNT;
if (finish < 0)
finish = 0;
int count = MESSAGES_COUNT;
if (currentMessages.Count < count)
count = currentMessages.Count;
var filtered = new Message[count];// new List<Message>(MESSAGES_COUNT);
for (int i = currentMessages.Count - 1, j = count - 1; i >= finish; i--, j--)
filtered[j] = currentMessages[i];
_currentChatViewModel = new ChatViewModel(id, title, isConference, filtered, _imageCache);
if (!currentMessages.Any()) // Get messages only first time for this chat.
{
MessagesGet getMessages = null;
if (isConference)
getMessages = new MessagesGet(-1, id, 0, MESSAGES_COUNT, _UpdateCurrentMessagesList);
else
getMessages = new MessagesGet(id, -1, 0, MESSAGES_COUNT, _UpdateCurrentMessagesList);
getMessages.Execute();
}
else
_UpdateReadStatusOfMessages(currentMessages); // This method will be called in _UpdateCurrentMessagesList
_currentChatViewModel.UpdateStatusInfo();
}
catch (Exception ex)
{
Debug.WriteLine("GetChatViewModel failed: " + ex.Message);
}
return _currentChatViewModel;
}