Use product handler to normalize data for products API

at least, as much as possible

tailbone/api/products.py

@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2022 Lance Edgar
+#  Copyright © 2010-2023 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -30,6 +30,8 @@ import six
 import sqlalchemy as sa
 from sqlalchemy import orm
 
+from cornice import Service
+
 from rattail.db import model
 
 from tailbone.api import APIMasterView
@@ -44,20 +46,41 @@ class ProductView(APIMasterView):
     object_url_prefix = '/product'
     supports_autocomplete = True
 
+    def __init__(self, request, context=None):
+        super(ProductView, self).__init__(request, context=context)
+        app = self.get_rattail_app()
+        self.products_handler = app.get_products_handler()
+
     def normalize(self, product):
+
+        # get what we can from handler
+        data = self.products_handler.normalize_product(product, fields=[
+            'brand_name',
+            'full_description',
+            'department_name',
+            'unit_price_display',
+            'sale_price',
+            'sale_price_display',
+            'sale_ends',
+            'sale_ends_display',
+            'vendor_name',
+            'costs',
+            'image_url',
+        ])
+
+        # but must supplement
         cost = product.cost
-        return {
+        data.update({
-            '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,
-        }
+        })
+
+        return data
 
     def make_autocomplete_query(self, term):
         query = self.Session.query(model.Product)\
@@ -77,6 +100,39 @@ class ProductView(APIMasterView):
     def autocomplete_display(self, product):
         return product.full_description
 
+    def quick_lookup(self):
+        """
+        View for handling "quick lookup" user input, for index page.
+        """
+        data = self.request.GET
+        entry = data['entry']
+
+        product = self.products_handler.locate_product_for_entry(self.Session(),
+                                                                 entry)
+        if not product:
+            return {'error': "Product not found"}
+
+        return {'ok': True,
+                'product': self.normalize(product)}
+
+    @classmethod
+    def defaults(cls, config):
+        cls._defaults(config)
+        cls._product_defaults(config)
+
+    @classmethod
+    def _product_defaults(cls, config):
+        route_prefix = cls.get_route_prefix()
+        permission_prefix = cls.get_permission_prefix()
+        collection_url_prefix = cls.get_collection_url_prefix()
+
+        # quick lookup
+        quick_lookup = Service(name='{}.quick_lookup'.format(route_prefix),
+                               path='{}/quick-lookup'.format(collection_url_prefix))
+        quick_lookup.add_view('GET', 'quick_lookup', klass=cls,
+                              permission='{}.list'.format(permission_prefix))
+        config.add_cornice_service(quick_lookup)
+
 
 def defaults(config, **kwargs):
     base = globals()