Fix some basic product editing features

mostly for sake of online demo

tailbone/exceptions.py

@@ -0,0 +1,54 @@
+# -*- coding: utf-8; -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2020 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 Exceptions
+"""
+
+from __future__ import unicode_literals, absolute_import
+
+import six
+
+from rattail.exceptions import RattailError
+
+
+class TailboneError(RattailError):
+    """
+    Base class for all Tailbone exceptions.
+    """
+
+
+@six.python_2_unicode_compatible
+class TailboneJSONFieldError(TailboneError):
+    """
+    Error raised when JSON serialization of a form field results in an error.
+    This is just a simple wrapper, to make the error message more helpful for
+    the developer.
+    """
+
+    def __init__(self, field, error):
+        self.field = field
+        self.error = error
+
+    def __str__(self):
+        return ("Failed to serialize field '{}' as JSON!  "
+                "Original error was: {}".format(self.field, self.error))

tailbone/forms/core.py

@@ -51,6 +51,7 @@ from webhelpers2.html import tags, HTML
 from tailbone.util import raw_datetime
 from . import types
 from .widgets import ReadonlyWidget, PlainDateWidget, JQueryDateWidget, JQueryTimeWidget
+from tailbone.exceptions import TailboneJSONFieldError
 
 
 log = logging.getLogger(__name__)
@@ -786,7 +787,10 @@ class Form(object):
         if field.cstruct is colander.null:
             return 'null'
 
+        try:
             return json.dumps(field.cstruct)
+        except Exception as error:
+            raise TailboneJSONFieldError(field.name, error)
 
     def messages_json(self, messages):
         dump = json.dumps(messages)

tailbone/views/products.py

@@ -786,11 +786,17 @@ class ProductsView(MasterView):
                 if not require_report_code:
                     report_code_values.insert(0, ('', "(none)"))
                 f.set_widget('report_code_uuid', dfwidget.SelectWidget(values=report_code_values))
-                f.set_label('report_code_uuid', "Report_Code")
+                f.set_label('report_code_uuid', "Report Code")
         else:
             f.set_readonly('report_code')
             # f.set_renderer('report_code', self.render_report_code)
 
+        # regular_price_amount
+        if self.editing:
+            f.set_node('regular_price_amount', colander.Decimal())
+            f.set_default('regular_price_amount', product.regular_price.price if product.regular_price else None)
+            f.set_label('regular_price_amount', "Regular Price")
+
         # deposit_link
         if self.creating or self.editing:
             if 'deposit_link' in f.fields:
@@ -803,7 +809,7 @@ class ProductsView(MasterView):
                 if not require_deposit_link:
                     deposit_link_values.insert(0, ('', "(none)"))
                 f.set_widget('deposit_link_uuid', dfwidget.SelectWidget(values=deposit_link_values))
-                f.set_label('deposit_link_uuid', "Deposit_Link")
+                f.set_label('deposit_link_uuid', "Deposit Link")
         else:
             f.set_readonly('deposit_link')
             # f.set_renderer('deposit_link', self.render_deposit_link)
@@ -831,18 +837,24 @@ class ProductsView(MasterView):
         f.set_readonly('tax3')
 
         # brand
-        if self.creating:
+        if self.creating or self.editing:
+            if 'brand' in f.fields:
                 f.replace('brand', 'brand_uuid')
+                f.set_node('brand_uuid', colander.String(), missing=colander.null)
                 brand_display = ""
                 if self.request.method == 'POST':
                     if self.request.POST.get('brand_uuid'):
                         brand = self.Session.query(model.Brand).get(self.request.POST['brand_uuid'])
                         if brand:
                             brand_display = six.text_type(brand)
+                elif self.editing:
+                    brand_display = six.text_type(product.brand or '')
                 brands_url = self.request.route_url('brands.autocomplete')
                 f.set_widget('brand_uuid', forms.widgets.JQueryAutocompleteWidget(
                     field_display=brand_display, service_url=brands_url))
                 f.set_label('brand_uuid', "Brand")
+        else:
+            f.set_readonly('brand')
 
         # status_code
         f.set_label('status_code', "Status")
@@ -856,6 +868,17 @@ class ProductsView(MasterView):
         if not self.request.has_perm('products.view_deleted'):
             f.remove('deleted')
 
+    def objectify(self, form, data=None):
+        if data is None:
+            data = form.validated
+        product = super(ProductsView, self).objectify(form, data=data)
+
+        # regular_price_amount
+        if (self.creating or self.editing) and 'regular_price_amount' in form.fields:
+            api.set_regular_price(product, data['regular_price_amount'])
+
+        return product
+
     def render_department(self, product, field):
         department = product.department
         if not department: