Add basic API support for printing product labels

tailbone/api/labels.py

@@ -0,0 +1,51 @@
+# -*- coding: utf-8; -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2023 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 Web API - Label Views
+"""
+
+from __future__ import unicode_literals, absolute_import
+
+from rattail.db.model import LabelProfile
+
+from tailbone.api import APIMasterView
+
+
+class LabelProfileView(APIMasterView):
+    """
+    API views for Label Profile data
+    """
+    model_class = LabelProfile
+    collection_url_prefix = '/label-profiles'
+    object_url_prefix = '/label-profile'
+
+
+def defaults(config, **kwargs):
+    base = globals()
+
+    LabelProfileView = kwargs.get('LabelProfileView', base['LabelProfileView'])
+    LabelProfileView.defaults(config)
+
+
+def includeme(config):
+    defaults(config)

tailbone/api/products.py

@@ -26,6 +26,8 @@ Tailbone Web API - Product Views
 
 from __future__ import unicode_literals, absolute_import
 
+import logging
+
 import six
 import sqlalchemy as sa
 from sqlalchemy import orm
@@ -37,6 +39,9 @@ from rattail.db import model
 from tailbone.api import APIMasterView
 
 
+log = logging.getLogger(__name__)
+
+
 class ProductView(APIMasterView):
     """
     API views for Product data
@@ -63,6 +68,14 @@ class ProductView(APIMasterView):
             'sale_price_display',
             'sale_ends',
             'sale_ends_display',
+            'tpr_price',
+            'tpr_price_display',
+            'tpr_ends',
+            'tpr_ends_display',
+            'current_price',
+            'current_price_display',
+            'current_ends',
+            'current_ends_display',
             'vendor_name',
             'costs',
             'image_url',
@@ -115,6 +128,39 @@ class ProductView(APIMasterView):
         return {'ok': True,
                 'product': self.normalize(product)}
 
+    def print_labels(self):
+        app = self.get_rattail_app()
+        label_handler = app.get_label_handler()
+        model = self.model
+        data = self.request.json_body
+
+        uuid = data.get('label_profile_uuid')
+        profile = self.Session.query(model.LabelProfile).get(uuid) if uuid else None
+        if not profile:
+            return {'error': "Label profile not found"}
+
+        uuid = data.get('product_uuid')
+        product = self.Session.query(model.Product).get(uuid) if uuid else None
+        if not product:
+            return {'error': "Product not found"}
+
+        try:
+            quantity = int(data.get('quantity'))
+        except:
+            return {'error': "Quantity must be integer"}
+
+        printer = label_handler.get_printer(profile)
+        if not printer:
+            return {'error': "Couldn't get printer from label profile"}
+
+        try:
+            printer.print_labels([({'product': product}, quantity)])
+        except Exception as error:
+            log.warning("error occurred while printing labels", exc_info=True)
+            return {'error': six.text_type(error)}
+
+        return {'ok': True}
+
     @classmethod
     def defaults(cls, config):
         cls._defaults(config)
@@ -133,6 +179,13 @@ class ProductView(APIMasterView):
                               permission='{}.list'.format(permission_prefix))
         config.add_cornice_service(quick_lookup)
 
+        # print labels
+        print_labels = Service(name='{}.print_labels'.format(route_prefix),
+                               path='{}/print-labels'.format(collection_url_prefix))
+        print_labels.add_view('POST', 'print_labels', klass=cls,
+                              permission='{}.print_labels'.format(permission_prefix))
+        config.add_cornice_service(print_labels)
+
 
 def defaults(config, **kwargs):
     base = globals()