public static IList <CommentHistoryData> ToJavaScriptCommentHistory(IList <StoredEvent> storedEvents)
{
HistoryData = new List <CommentHistoryData>();
CommentHistoryDeserializer(storedEvents);
var sorted = HistoryData.OrderBy(c => c.When);
var list = new List <CommentHistoryData>();
var last = new CommentHistoryData();
foreach (var change in sorted)
{
var jsSlot = new CommentHistoryData
{
CommentId = change.CommentId == 0 || change.CommentId == last.CommentId
? 0 : change.CommentId,
CommentContent = string.IsNullOrWhiteSpace(change.CommentContent) || change.CommentContent == last.CommentContent
? "" : change.CommentContent,
ProductViewModel = change.ProductViewModel.ProductId == 0 || change.ProductViewModel == last.ProductViewModel
? new ProductViewModel() : change.ProductViewModel,
UserId = change.UserId == 0 || change.UserId == last.UserId ? 0 : change.UserId,
Action = string.IsNullOrWhiteSpace(change.Action) ? "" : change.Action,
When = change.When,
Who = change.Who
};
list.Add(jsSlot);
last = change;
}
return(list);
}
private static void CommentHistoryDeserializer(IList <StoredEvent> storedEvents)
{
foreach (var e in storedEvents)
{
var slot = new CommentHistoryData();
dynamic values;
switch (e.MessageType)
{
case "CommentCreatedEvent":
values = JsonConvert.DeserializeObject <dynamic>(e.Data);
slot.CommentId = values["CommentId"];
slot.CommentContent = values["CommentContent"];
slot.ProductViewModel = values["ProductViewModel"];
slot.UserId = values["UserId"];
slot.Action = "Registered";
slot.When = values["Timestamp"];
slot.Who = e.User;
break;
case "CommentUpdatedEvent":
values = JsonConvert.DeserializeObject <dynamic>(e.Data);
slot.CommentId = values["CommentId"];
slot.CommentContent = values["CommentContent"];
slot.ProductViewModel = values["ProductViewModel"];
slot.UserId = values["UserId"];
slot.Action = "Registered";
slot.When = values["Timestamp"];
slot.Who = e.User;
break;
case "CommentRemovedEvent":
values = JsonConvert.DeserializeObject <dynamic>(e.Data);
slot.Action = "Removed";
slot.When = values["Timestamp"];
slot.CommentId = values["CommentId"];
slot.Who = e.User;
break;
}
HistoryData.Add(slot);
}
}
