Add /products API endpoint, enable basic filter support for API views

tailbone/api/master.py

@@ -26,6 +26,8 @@ Tailbone Web API - Master View
 
 from __future__ import unicode_literals, absolute_import
 
+import json
+
 from rattail.config import parse_bool
 
 from tailbone.api import APIView, api
@@ -72,6 +74,13 @@ class APIMasterView(APIView):
             return cls.collection_key
         return '{}s'.format(cls.get_object_key())
 
+    def make_filter_spec(self):
+        if not self.request.GET.has_key('filters'):
+            return []
+
+        filters = json.loads(self.request.GET.getone('filters'))
+        return filters
+
     def make_sort_spec(self):
 
         # these params are based on 'vuetable-2'
@@ -171,12 +180,17 @@ class APIMasterView(APIView):
                 return int(page), int(limit)
 
     def _collection_get(self):
-        from sqlalchemy_filters import apply_sort, apply_pagination
+        from sqlalchemy_filters import apply_filters, apply_sort, apply_pagination
 
         cls = self.get_model_class()
         query = self.Session.query(cls)
         context = {}
 
+        # maybe filter query
+        filter_spec = self.make_filter_spec()
+        if filter_spec:
+            query = apply_filters(query, filter_spec)
+
         # maybe sort query
         sort_spec = self.make_sort_spec()
         if sort_spec:

tailbone/api/products.py

@@ -0,0 +1,76 @@
+# -*- coding: utf-8; -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2019 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/>.
+#
+################################################################################
+"""
+Tailbone Web API - Product Views
+"""
+
+from __future__ import unicode_literals, absolute_import
+
+import six
+
+from rattail.db import model
+
+from cornice.resource import resource, view
+
+from tailbone.api import APIMasterView
+
+
+@resource(collection_path='/products', path='/product/{uuid}')
+class ProductView(APIMasterView):
+
+    model_class = model.Product
+
+    def normalize(self, product):
+        cost = product.cost
+        return {
+            'uuid': product.uuid,
+            '_str': six.text_type(product),
+            'upc': six.text_type(product.upc),
+            'scancode': product.scancode,
+            'item_id': product.item_id,
+            'item_type': product.item_type,
+            'description': product.description,
+            'status_code': product.status_code,
+            'default_unit_cost': cost.unit_cost if cost else None,
+            'default_unit_cost_display': "${:0.2f}".format(cost.unit_cost) if cost and cost.unit_cost is not None else None,
+        }
+
+    @view(permission='products.list')
+    def collection_get(self):
+        return self._collection_get()
+
+    @view(permission='products.create')
+    def collection_post(self):
+        return self._collection_post()
+
+    @view(permission='products.view')
+    def get(self):
+        return self._get()
+
+    @view(permission='products.edit')
+    def post(self):
+        return self._post()
+
+
+def includeme(config):
+    config.scan(__name__)