from django.db import OperationalError, ProgrammingError
from . import policies
from .models import PaymentReceipt


def payment_navigation(request):
    if not policies.is_staff(request.user):
        return {}
    try:
        return {'payment_can_create': policies.can_create(request.user),
                'payment_pending_count': policies.visible(PaymentReceipt.objects.all(),request.user).filter(status__in=['PENDING','PARTIAL']).count(),
                'payment_can_manage_banks': policies.can_manage_banks(request.user),
                'payment_can_view': policies.visible(PaymentReceipt.objects.all(),request.user).exists() or policies.config().open_view or request.user.has_perm('payments.view_paymentreceipt') or request.user.is_superuser}
    except (OperationalError, ProgrammingError):
        return {}