use_origin and use_connection support

src/reactpy_django/hooks.py

@@ -48,14 +48,24 @@ def use_origin() -> str | None:
     this will be None."""
     scope = _use_scope()
     try:
-        return next(
-            (
-                header[1].decode("utf-8")
-                for header in scope["headers"]
-                if header[0] == b"origin"
-            ),
-            None,
-        )
+        if scope["type"] == "websocket":
+            return next(
+                (
+                    header[1].decode("utf-8")
+                    for header in scope["headers"]
+                    if header[0] == b"origin"
+                ),
+                None,
+            )
+        if scope["type"] == "http":
+            host = next(
+                (
+                    header[1].decode("utf-8")
+                    for header in scope["headers"]
+                    if header[0] == b"host"
+                )
+            )
+            return f"{scope['scheme']}://{host}" if host else None
     except Exception:
         return None
 

src/reactpy_django/types.py

@@ -16,6 +16,7 @@
 
 from django.db.models.base import Model
 from django.db.models.query import QuerySet
+from django.http import HttpRequest
 from django.views.generic import View
 from reactpy.types import Connection as _Connection
 from typing_extensions import ParamSpec
@@ -50,7 +51,7 @@ class ComponentWebsocket:
     dotted_path: str
 
 
-Connection = _Connection[ComponentWebsocket]
+Connection = _Connection[ComponentWebsocket | HttpRequest]
 
 
 @dataclass