add payment_link and banks

apps/payments/context_processors.py

@@ -0,0 +1,15 @@
+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 {}