add label printing to product index

rattail/pyramid/subscribers.py

@@ -38,6 +38,9 @@ def before_render(event):
        * ``rattail``
     """
 
+    # Import labels module so it's available if/when needed.
+    import rattail.labels
+
     request = event.get('request') or threadlocal.get_current_request()
 
     renderer_globals = event

rattail/pyramid/templates/products/index.mako

@@ -7,6 +7,21 @@
   ${parent.head_tags()}
   <style type="text/css">
 
+    table.header td.tools table {
+        margin-left: auto;
+    }
+
+    table.header td.tools table th,
+    table.header td.tools table td {
+        padding: 0px;
+        text-align: left;
+    }
+
+    table.header td.tools table #label-quantity {
+        text-align: right;
+        width: 30px;
+    }
+
     div.grid.Product table tbody td.size,
     div.grid.Product table tbody td.regular_price,
     div.grid.Product table tbody td.sale_price {
@@ -14,7 +29,58 @@
         text-align: right;
     }
     
+    div.grid.Product table tbody td.labels {
+        text-align: center;
+    }
+    
   </style>
+  % if edbob.config.getboolean('rattail.labels', 'enabled', default=False):
+      <script language="javascript" type="text/javascript">
+
+        $(function() {
+            $('div.grid.Product a.print-label').live('click', function() {
+                var quantity = $('#label-quantity').val();
+                // TODO: Validate quantity as integer etc.
+                $.ajax({
+                    url: '${url('products.print_label')}',
+                    data: {
+                        'uuid': get_uuid(this),
+                        'profile': $('#label-profile').val(),
+                        'quantity': quantity,
+                    },
+                });
+                alert("Label has been printed.");
+                return false;
+            });
+        });
+
+      </script>
+  % endif
+</%def>
+
+<%def name="tools()">
+  % if edbob.config.getboolean('rattail.labels', 'enabled', default=False):
+      <table>
+        <thead>
+          <tr>
+            <td>Label</td>
+            <td>Qty.</td>
+          </tr>
+        </thead>
+        <tbody>
+          <td>
+            <select name="label-profile" id="label-profile">
+              % for profile in rattail.labels.iter_profiles():
+                  <option value="${profile.name}">${profile.display_name}</option>
+              % endfor
+            </select>
+          </td>
+          <td>
+            <input type="text" name="label-quantity" id="label-quantity" value="1" />
+          </td>
+        </tbody>
+      </table>
+  % endif
 </%def>
 
 ${parent.body()}

rattail/pyramid/views/products.py

@@ -26,12 +26,18 @@
 ``rattail.pyramid.views.products`` -- Product Views
 """
 
+from webhelpers.html.tags import link_to
+
 from edbob.pyramid.filters import filter_ilike
 from edbob.pyramid.grids import sorter
 from edbob.pyramid.views import GridView
 from edbob.pyramid.views.crud import Crud
 
+import edbob
+from edbob.pyramid import Session
+
 import rattail
+import rattail.labels
 from rattail.pyramid.forms import (
     UpcFieldRenderer, RegularPriceFieldRenderer, SalePriceFieldRenderer)
 
@@ -102,6 +108,12 @@ class ProductGrid(GridView):
                 g.sale_price.label("Sale Price"),
                 ],
             readonly=True)
+
+        def callback(prod):
+            return link_to("Print", '#', class_='print-label')
+
+        if edbob.config.getboolean('rattail.labels', 'enabled', default=False):
+            g.add_column('labels', "Labels", callback)
         return g
 
 
@@ -119,10 +131,31 @@ class ProductCrud(Crud):
         return fs
 
 
+def print_label(request):
+    profile = request.params.get('profile')
+    profile = rattail.labels.get_profile(profile) if profile else None
+    assert profile
+
+    uuid = request.params.get('uuid')
+    product = Session.query(rattail.Product).get(uuid) if uuid else None
+    assert product
+
+    quantity = request.params.get('quantity')
+    assert quantity.isdigit()
+    quantity = int(quantity)
+
+    printer = profile.get_printer()
+    printer.print_labels([(product, quantity)])
+    return {}
+
+
 def includeme(config):
     ProductGrid.add_route(config, 'products.list', '/products')
     ProductCrud.add_routes(config)
 
+    config.add_route('products.print_label', '/products/label')
+    config.add_view(print_label, route_name='products.print_label', renderer='json')
+
 
 # from sqlalchemy.orm import joinedload