1 files changed, 51 insertions, 0 deletions
diff --git a/LibMatrix/RoomTypes/PolicyRoom.cs b/LibMatrix/RoomTypes/PolicyRoom.cs
new file mode 100644
index 0000000..c6eec63
--- /dev/null
+++ b/LibMatrix/RoomTypes/PolicyRoom.cs
@@ -0,0 +1,51 @@
+using System.Collections.Frozen;
+using LibMatrix.EventTypes;
+using LibMatrix.EventTypes.Spec.State.Policy;
+using LibMatrix.Homeservers;
+
+namespace LibMatrix.RoomTypes;
+
+public class PolicyRoom(AuthenticatedHomeserverGeneric homeserver, string roomId) : GenericRoom(homeserver, roomId) {
+    public const string TypeName = "support.feline.policy.lists.msc.v1";
+    
+    public static readonly FrozenSet<string> UserPolicyEventTypes = EventContent.GetMatchingEventTypes<UserPolicyRuleEventContent>().ToFrozenSet();
+    public static readonly FrozenSet<string> ServerPolicyEventTypes = EventContent.GetMatchingEventTypes<ServerPolicyRuleEventContent>().ToFrozenSet();
+    public static readonly FrozenSet<string> RoomPolicyEventTypes = EventContent.GetMatchingEventTypes<RoomPolicyRuleEventContent>().ToFrozenSet();
+    public static readonly FrozenSet<string> SpecPolicyEventTypes = [..UserPolicyEventTypes, ..ServerPolicyEventTypes, ..RoomPolicyEventTypes];
+
+    public async IAsyncEnumerable<StateEventResponse> GetPoliciesAsync() {
+        var fullRoomState = GetFullStateAsync();
+        await foreach (var eventResponse in fullRoomState) {
+            if (SpecPolicyEventTypes.Contains(eventResponse!.Type)) {
+                yield return eventResponse;
+            }
+        }
+    }
+
+    public async IAsyncEnumerable<StateEventResponse> GetUserPoliciesAsync() {
+        var fullRoomState = GetPoliciesAsync();
+        await foreach (var eventResponse in fullRoomState) {
+            if (UserPolicyEventTypes.Contains(eventResponse!.Type)) {
+                yield return eventResponse;
+            }
+        }
+    }
+
+    public async IAsyncEnumerable<StateEventResponse> GetServerPoliciesAsync() {
+        var fullRoomState = GetPoliciesAsync();
+        await foreach (var eventResponse in fullRoomState) {
+            if (ServerPolicyEventTypes.Contains(eventResponse!.Type)) {
+                yield return eventResponse;
+            }
+        }
+    }
+
+    public async IAsyncEnumerable<StateEventResponse> GetRoomPoliciesAsync() {
+        var fullRoomState = GetPoliciesAsync();
+        await foreach (var eventResponse in fullRoomState) {
+            if (RoomPolicyEventTypes.Contains(eventResponse!.Type)) {
+                yield return eventResponse;
+            }
+        }
+    }
+}
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