feat(game): add Submit & Create Session button to add-game form

Closes #31

games/views/game.py

@@ -163,6 +163,10 @@ def add_game(request: HttpRequest) -> HttpResponse:
             return HttpResponseRedirect(
                 reverse("games:add_purchase_for_game", kwargs={"game_id": game.id})
             )
+        elif "submit_and_create_session" in request.POST:
+            return HttpResponseRedirect(
+                reverse("games:add_session_for_game", kwargs={"game_id": game.id})
+            )
         else:
             return redirect("games:list_games")
 
@@ -171,12 +175,21 @@ def add_game(request: HttpRequest) -> HttpResponse:
         AddForm(
             form,
             request=request,
-            additional_row=StyledButton(
+            additional_row=Fragment(
-                [],
+                StyledButton(
-                "Submit & Create Purchase",
+                    [],
-                color="gray",
+                    "Submit & Create Purchase",
-                type="submit",
+                    color="gray",
-                name="submit_and_redirect",
+                    type="submit",
+                    name="submit_and_redirect",
+                ),
+                StyledButton(
+                    [],
+                    "Submit & Create Session",
+                    color="gray",
+                    type="submit",
+                    name="submit_and_create_session",
+                ),
             ),
         ),
         title="Add New Game",

tests/test_rendered_pages.py

@@ -128,12 +128,29 @@ class RenderedPagesTest(TestCase):
         self.assertIn("dist/add_game.js", html)
         self.assertIn("submit_and_redirect", html)
         self.assertIn("Submit & Create Purchase", html)  # & correctly escaped
+        self.assertIn("submit_and_create_session", html)
+        self.assertIn("Submit & Create Session", html)   # & correctly escaped
         # Fields self-style: label + control carry their own classes (no #add-form
         # / form CSS in input.css).
         self.assertIn("mb-2.5 text-sm font-medium text-heading", html)  # _LABEL_CLASS
         self.assertIn("bg-neutral-secondary-medium", html)  # INPUT_CLASS surface
         self.assertNoEscapedTags(html)
 
+    def test_add_game_submit_and_create_session_redirects(self):
+        response = self.client.post(
+            reverse("games:add_game"),
+            {
+                "name": "New Session Game",
+                "status": "u",
+                "submit_and_create_session": "",
+            },
+        )
+        game = Game.objects.get(name="New Session Game")
+        self.assertRedirects(
+            response,
+            reverse("games:add_session_for_game", kwargs={"game_id": game.id}),
+        )
+
     def test_form_errors_render_with_component_class(self):
         """Invalid submits re-render field errors via FormFields' own class, not
         Django's .errorlist (which no longer exists in the CSS)."""