new migrations in apps.epic for .models additions, incl. Significator select order (= Start Role seat order), which cards of whom go into which deck, which are brought into Sig select; new select-sig urlpattern in .views; room.html supports this stage of game now

src/apps/epic/views.py

@@ -10,8 +10,8 @@ from django.utils import timezone
 
 from apps.drama.models import GameEvent, record
 from apps.epic.models import (
-    GateSlot, Room, RoomInvite, TableSeat, TarotDeck,
-    debit_token, select_token,
+    GateSlot, Room, RoomInvite, TableSeat, TarotCard, TarotDeck,
+    active_sig_seat, debit_token, select_token, sig_deck_cards, sig_seat_order,
 )
 from apps.lyric.models import Token
 
@@ -64,6 +64,13 @@ def _notify_role_select_start(room_id):
     )
 
 
+def _notify_sig_selected(room_id):
+    async_to_sync(get_channel_layer().group_send)(
+        f'room_{room_id}',
+        {'type': 'sig_selected'},
+    )
+
+
 def _expire_reserved_slots(room):
     cutoff = timezone.now() - RESERVE_TIMEOUT
     room.gate_slots.filter(
@@ -187,6 +194,8 @@ def _role_select_context(room, user):
         ctx["user_seat"] = user_seat
         ctx["partner_seat"] = partner_seat
         ctx["revealed_seats"] = room.table_seats.filter(role_revealed=True).order_by("slot_number")
+        ctx["sig_cards"] = sig_deck_cards(room)
+        ctx["sig_seats"] = sig_seat_order(room)
     return ctx
 
 
@@ -468,6 +477,32 @@ def gate_status(request, room_id):
     return render(request, "apps/gameboard/_partials/_gatekeeper.html", ctx)
 
 
+@login_required
+def select_sig(request, room_id):
+    if request.method != "POST":
+        return redirect("epic:gatekeeper", room_id=room_id)
+    room = Room.objects.get(id=room_id)
+    if room.table_status != Room.SIG_SELECT:
+        return redirect("epic:gatekeeper", room_id=room_id)
+    active_seat = active_sig_seat(room)
+    if active_seat is None or active_seat.gamer != request.user:
+        return HttpResponse(status=403)
+    card_id = request.POST.get("card_id")
+    try:
+        card = TarotCard.objects.get(pk=card_id)
+    except TarotCard.DoesNotExist:
+        return HttpResponse(status=400)
+    sig_card_ids = {c.pk for c in sig_deck_cards(room)}
+    if card.pk not in sig_card_ids:
+        return HttpResponse(status=400)
+    if room.table_seats.filter(significator=card).exists():
+        return HttpResponse(status=409)
+    active_seat.significator = card
+    active_seat.save()
+    _notify_sig_selected(room_id)
+    return HttpResponse(status=200)
+
+
 @login_required
 def tarot_deck(request, room_id):
     room = Room.objects.get(id=room_id)