Resolve public poll invitations to tenant policy

src/govoplan_poll/backend/capabilities.py

@@ -32,6 +32,7 @@ from govoplan_poll.backend.participation import (
     PollInvitationRevocationRef,
     PollOptionMutationRef,
     PollParticipationContextRef,
+    PollPublicInvitationRef,
     PollResponseGatewayRef,
 )
 from govoplan_poll.backend.participation_service import (
@@ -323,6 +324,28 @@ class SqlPollSchedulingProvider(PollSchedulingProvider):
         except (PollError, ValidationError) as exc:
             raise PollCapabilityError(str(exc)) from exc
 
+    def resolve_public_invitation(
+        self,
+        session: object,
+        *,
+        token: str,
+        gateway: PollResponseGatewayRef,
+    ) -> PollPublicInvitationRef:
+        try:
+            invitation = governed_invitation(
+                session,
+                token=token,
+                gateway=gateway,
+            )
+        except (PollError, ValidationError) as exc:
+            raise PollCapabilityError(str(exc)) from exc
+        return PollPublicInvitationRef(
+            invitation_id=invitation.id,
+            tenant_id=invitation.tenant_id,
+            poll_id=invitation.poll_id,
+            gateway=gateway,
+        )
+
     def submit_governed_response(
         self,
         session: object,