Add initial Shopfoo pattern feature

data models, import/export, web views etc.

rattail_demo/shopfoo/importing/model.py

@@ -0,0 +1,28 @@
+# -*- coding: utf-8; -*-
+"""
+Shopfoo model importers
+"""
+
+from rattail_demo.db import model
+from rattail.importing.exporters import ToCSV
+from rattail.shopfoo.importing.model import ProductImporterMixin
+
+
+class ToShopfoo(ToCSV):
+    pass
+
+
+class ProductImporter(ProductImporterMixin, ToShopfoo):
+    """
+    Shopfoo product data importer
+    """
+    key = 'uuid'
+    simple_fields = [
+        'uuid',
+        'product_uuid',
+        'upc',
+        'description',
+        'price',
+        'enabled',
+    ]
+    export_model_class = model.ShopfooProductExport