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
{
Id = change.Id == Guid.Empty.ToString() || change.Id == last.Id
? ""
: change.Id,
Name = string.IsNullOrWhiteSpace(change.Name) || change.Name == last.Name
? ""
: change.Name,
Action = string.IsNullOrWhiteSpace(change.Action) ? "" : change.Action,
When = change.When,
Who = change.Who
};
list.Add(jsSlot);
last = change;
}
return(list);
}
private static void CategoryHistoryDeserializer(IEnumerable <StoredEvent> storedEvents)
{
foreach (var e in storedEvents)
{
CategoryHistoryData slot = new CategoryHistoryData();
dynamic values;
switch (e.MessageType)
{
case "CategoryRegisteredEvent":
values = JsonConvert.DeserializeObject <dynamic>(e.Data);
slot.Name = values["Name"];
slot.Action = "Registered";
slot.When = values["Timestamp"];
slot.Id = values["Id"];
slot.Who = e.User;
break;
case "CategoryUpdatedEvent":
values = JsonConvert.DeserializeObject <dynamic>(e.Data);
slot.Name = values["Name"];
slot.Action = "Updated";
slot.When = values["Timestamp"];
slot.Id = values["Id"];
slot.Who = e.User;
break;
case "NewProductAddedEvent":
values = JsonConvert.DeserializeObject <dynamic>(e.Data);
slot.Name = values["Name"];
slot.Action = "Removed";
slot.When = values["Timestamp"];
slot.Id = values["Id"];
slot.Who = e.User;
break;
}
HistoryData.Add(slot);
}
}
