Add initial Shopfoo pattern feature

data models, import/export, web views etc.

rattail_demo/shopfoo/importing/__init__.py

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+# -*- coding: utf-8 -*-
+"""
+Importing into Shopfoo
+"""
+
+from . import model

rattail_demo/shopfoo/importing/model.py

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+# -*- 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

rattail_demo/shopfoo/importing/rattail.py

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+# -*- coding: utf-8; -*-
+"""
+Rattail -> Shopfoo importing
+"""
+
+from rattail import importing
+from rattail.util import OrderedDict
+
+from rattail_demo.db import model
+from rattail_demo.shopfoo import importing as shopfoo_importing
+from rattail.shopfoo.importing.rattail import ProductImporterMixin
+
+
+class FromRattailToShopfoo(importing.FromRattailHandler):
+    """
+    Rattail -> Shopfoo import handler
+    """
+    host_title = "Rattail"
+    local_title = "Shopfoo"
+    direction = 'export'
+
+    def get_importers(self):
+        importers = OrderedDict()
+        importers['Product'] = ProductImporter
+        return importers
+
+
+class FromRattail(importing.FromSQLAlchemy):
+    """
+    Base class for Shopfoo -> Rattail importers
+    """
+
+
+class ProductImporter(ProductImporterMixin, FromRattail, shopfoo_importing.model.ProductImporter):
+    """
+    Product data importer
+    """
+    host_model_class = model.ShopfooProduct
+    supported_fields = [
+        'uuid',
+        'product_uuid',
+        'upc',
+        'description',
+        'price',
+        'enabled',
+    ]
+
+    def query(self):
+        return self.host_session.query(model.ShopfooProduct)\
+                                .order_by(model.ShopfooProduct.upc)
+
+    def normalize_host_object(self, product):
+
+        # copy all values "as-is" from our cache record
+        data = dict([(field, getattr(product, field))
+                     for field in self.fields])
+
+        # TODO: is it ever a good idea to set this flag?  doing so will mean
+        # the record is *not* included in CSV output file
+        # data['_deleted_'] = product.deleted_from_shopfoo
+
+        return data