1 files changed, 24 insertions, 0 deletions
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Extensions/EventExtensions.cs b/Utilities/LibMatrix.HomeserverEmulator/Extensions/EventExtensions.cs
new file mode 100644
index 0000000..d938b1b
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Extensions/EventExtensions.cs
@@ -0,0 +1,24 @@
+using LibMatrix.HomeserverEmulator.Services;
+
+namespace LibMatrix.HomeserverEmulator.Extensions;
+
+public static class EventExtensions {
+    public static StateEventResponse ToStateEvent(this StateEvent stateEvent, UserStore.User user, RoomStore.Room room) {
+        return new StateEventResponse {
+            RawContent = stateEvent.RawContent,
+            EventId = "$" + string.Join("", Random.Shared.GetItems("abcdefghijklmnopqrstuvwxyzABCDEFGHIJLKMNOPQRSTUVWXYZ0123456789".ToCharArray(), 100)),
+            RoomId = room.RoomId,
+            Sender = user.UserId,
+            StateKey = stateEvent.StateKey,
+            Type = stateEvent.Type,
+            OriginServerTs = DateTimeOffset.Now.ToUnixTimeMilliseconds()
+        };
+    }
+
+    public static List<StateEventResponse> GetCalculatedState(this IEnumerable<StateEventResponse> events) {
+        return events.Where(s => s.StateKey != null)
+            .OrderByDescending(s => s.OriginServerTs)
+            .DistinctBy(x => (x.Type, x.StateKey))
+            .ToList();
+    }
+}
\ No newline at end of file