1 files changed, 24 insertions, 0 deletions
diff --git a/matrix-specification/Data/Room/AllowCondition.php b/matrix-specification/Data/Room/AllowCondition.php
new file mode 100644
index 0000000..600c618
--- /dev/null
+++ b/matrix-specification/Data/Room/AllowCondition.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace Matrix\Data\Room;
+
+class AllowCondition implements \JsonSerializable
+{
+  public function __construct(
+    private string $type,
+    private ?string $roomId = null,
+  )
+  {
+    if ($type == "m.room.membership" && empty($roomId)) {
+      throw new \InvalidArgumentException("room id is required");
+    }
+  }
+
+  public function jsonSerialize(): array
+  {
+    return array_filter([
+      "room_id" => $this->roomId,
+      "type" => $this->type,
+    ], fn ($value) => ! is_null($value));
+  }
+}