Add custom Person views, to expose corepos_customer_id field

tailbone_corepos/views/people.py

@@ -0,0 +1,61 @@
+# -*- coding: utf-8; -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2020 Lance Edgar
+#
+#  This file is part of Rattail.
+#
+#  Rattail is free software: you can redistribute it and/or modify it under the
+#  terms of the GNU General Public License as published by the Free Software
+#  Foundation, either version 3 of the License, or (at your option) any later
+#  version.
+#
+#  Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
+#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+#  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+#  details.
+#
+#  You should have received a copy of the GNU General Public License along with
+#  Rattail.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+"""
+Person views
+"""
+
+from tailbone.views import people as base
+
+
+class PersonView(base.PeopleView):
+    """
+    Expose some extra fields etc. per CORE-POS integration.
+
+    Please note that this does include a bit of "business logic" which assumes
+    that you keep CORE and Rattail in sync!  Use at your own risk.
+    """
+    labels = {
+        'corepos_customer_id': "CORE-POS Customer ID",
+    }
+
+    def query(self, session):
+        query = super(PersonView, self).query(session)
+        model = self.rattail_config.get_model()
+
+        query = query.outerjoin(model.CorePerson)
+        return query
+
+    def configure_grid(self, g):
+        super(PersonView, self).configure_grid(g)
+        model = self.rattail_config.get_model()
+
+        g.append('corepos_customer_id')
+        g.set_sorter('corepos_customer_id', model.CorePerson.corepos_customer_id)
+        g.set_filter('corepos_customer_id', model.CorePerson.corepos_customer_id)
+        g.set_label('corepos_customer_id', "CORE ID")
+        g.filters['corepos_customer_id'].label = "CORE-POS Customer ID"
+
+    def configure_form(self, f):
+        super(PersonView, self).configure_form(f)
+
+        f.append('corepos_customer_id')