public static IList <CategoryHistoryData> ToJavaScriptCategoryHistory(IList <StoredEvent> storedEvents)
{
HistoryData = new List <CategoryHistoryData>();
CategoryHistoryDeserializer(storedEvents);
var sorted = HistoryData.OrderBy(c => c.When);
var list = new List <CategoryHistoryData>();
var last = new CategoryHistoryData();
foreach (var change in sorted)
{
var jsSlot = new CategoryHistoryData
{
CategoryId = change.CategoryId == 0 || change.CategoryId == last.CategoryId
? 0 : change.CategoryId,
CategoryName = string.IsNullOrWhiteSpace(change.CategoryName) || change.CategoryName == last.CategoryName
? "" : change.CategoryName,
SubCategory = change.SubCategory == 0 || change.SubCategory == last.SubCategory
? 0 : change.SubCategory,
Action = string.IsNullOrWhiteSpace(change.Action) ? "" : change.Action,
When = change.When,
Who = change.Who
};
list.Add(jsSlot);
last = change;
}
return(list);
}
private static void CategoryHistoryDeserializer(IList <StoredEvent> storedEvents)
{
foreach (var e in storedEvents)
{
var slot = new CategoryHistoryData();
dynamic values;
switch (e.MessageType)
{
case "CategoryCreatedEvent":
values = JsonConvert.DeserializeObject <dynamic>(e.Data);
slot.CategoryId = values["CategoryId"];
slot.CategoryName = values["CategoryName"];
slot.SubCategory = values["SubCategory"];
slot.Action = "Registered";
slot.When = values["Timestamp"];
slot.Who = e.User;
break;
case "CategoryUpdatedEvent":
values = JsonConvert.DeserializeObject <dynamic>(e.Data);
slot.CategoryId = values["CategoryId"];
slot.CategoryName = values["CategoryName"];
slot.SubCategory = values["SubCategory"];
slot.Action = "Registered";
slot.When = values["Timestamp"];
slot.Who = e.User;
break;
case "CategoryRemovedEvent":
values = JsonConvert.DeserializeObject <dynamic>(e.Data);
slot.Action = "Removed";
slot.When = values["Timestamp"];
slot.CategoryId = values["CategoryId"];
slot.Who = e.User;
break;
}
HistoryData.Add(slot);
}
}
