Add initial Shopfoo pattern feature

data models, import/export, web views etc.

rattail_demo/importing/local.py

@@ -0,0 +1,60 @@
+# -*- coding: utf-8; -*-
+"""
+Rattail Demo -> Rattail Demo "self" data import
+"""
+
+from rattail.importing.local import FromRattailLocalToRattail, FromRattailLocal
+from rattail.importing.shopfoo import ShopfooProductImporterMixin
+from rattail.util import OrderedDict
+from rattail_demo import importing as rattail_demo_importing
+
+
+class FromRattailDemoToSelf(FromRattailLocalToRattail):
+    """
+    Handler for Rattail Demo -> Rattail Demo ("self") imports
+    """
+
+    def get_importers(self):
+        importers = OrderedDict()
+        importers['ShopfooProduct'] = ShopfooProductImporter
+        return importers
+
+
+class ShopfooProductImporter(ShopfooProductImporterMixin, FromRattailLocal, rattail_demo_importing.model.ShopfooProductImporter):
+    """
+    Product -> ShopfooProduct
+    """
+    supported_fields = [
+        'uuid',
+        'product_uuid',
+        'upc',
+        'description',
+        'price',
+        'enabled',
+    ]
+
+    def normalize_base_product_data(self, product):
+
+        price = None
+        if product.regular_price:
+            price = product.regular_price.price
+
+        return {
+            'product_uuid': product.uuid,
+            'upc': str(product.upc or '') or None,
+            'description': product.full_description,
+            'price': price,
+            'enabled': True,    # will maybe unset this in mark_unwanted()
+        }
+
+    def product_is_unwanted(self, product, data):
+        if super(ShopfooProductImporter, self).product_is_unwanted(product, data):
+            return True
+        if not data['price']:   # let's say this is a required field for Shopfoo
+            return True
+        return False
+
+    def mark_unwanted(self, product, data):
+        data = super(ShopfooProductImporter, self).mark_unwanted(product, data)
+        data['enabled'] = False
+        return data