void addMessage(Message msg)
{
var date = msg.SubmittedDate.Date;
GroupedMessage targetMessageGroup = null;
targetMessageGroup = GroupedMessages.Where(x => x.DateTime == date).FirstOrDefault();
if (targetMessageGroup == null)
{
targetMessageGroup = new GroupedMessage()
{
DateTime = date
};
if (GroupedMessages.Count == 0)
{
GroupedMessages.Add(targetMessageGroup);
}
else
{
for (int i = GroupedMessages.Count - 1; i >= 0; i--)
{
if (date > GroupedMessages[i].DateTime)
{
GroupedMessages.Insert(i + 1, targetMessageGroup);
break;
}
if (i == 0)//Last
{
GroupedMessages.Insert(i, targetMessageGroup);
}
}
}
}
targetMessageGroup.Add(msg);
targetMessageGroup = new GroupedMessage(targetMessageGroup.OrderBy(x => x.SubmittedDate).ToList());
}
async Task <List <Message> > RefreshData()
{
await Task.Delay(1500);
//Each time get n old messages..
List <Message> oldMessages = new List <Message>();
if (refreshCount < 3)
{
for (int i = 0; i < LOAD_MESSAGE_COUNT; i++)
{
oldMessages.Add(GenRandomMessage());
}
var oldestDateTime = GroupedMessages.Where(x => x.DateTime == GroupedMessages.Min(y => y.DateTime)).First().Min(x => x.SubmittedDate);
var index = 1;
foreach (var msg in oldMessages)
{
msg.SubmittedDate = oldestDateTime.AddDays(index * -1).AddHours(index * -1);
index++;
}
oldMessages = new List <Message>(oldMessages.OrderByDescending(x => x.SubmittedDate.ToBinary()));
}
refreshCount++;
return(oldMessages);
}
