Initial support for mobile ordering

plus various other changes required for that

tailbone/views/purchasing/ordering.py

@@ -51,6 +51,9 @@ class OrderingBatchView(PurchasingBatchView):
     model_title = "Ordering Batch"
     model_title_plural = "Ordering Batches"
     index_title = "Ordering"
+    mobile_creatable = True
+    rows_editable = True
+    mobile_rows_editable = True
 
     row_grid_columns = [
         'sequence',
@@ -241,6 +244,69 @@ class OrderingBatchView(PurchasingBatchView):
             'batch_po_total': '${:0,.2f}'.format(batch.po_total or 0),
         }
 
+    def render_mobile_listitem(self, batch, i):
+        return "({}) {} on {} for ${:0,.2f}".format(batch.id_str, batch.vendor,
+                                                    batch.date_ordered, batch.po_total)
+
+    def mobile_create(self):
+        """
+        Mobile view for creating a new ordering batch
+        """
+        mode = self.batch_mode
+        data = {'mode': mode}
+
+        vendor = None
+        if self.request.method == 'POST' and self.request.POST.get('vendor'):
+            vendor = self.Session.query(model.Vendor).get(self.request.POST['vendor'])
+            if vendor:
+
+                # fetch first to avoid flush below
+                store = self.rattail_config.get_store(self.Session())
+
+                batch = self.model_class()
+                batch.mode = mode
+                batch.vendor = vendor
+                batch.store = store
+                batch.buyer = self.request.user.employee
+                batch.date_ordered = localtime(self.rattail_config).date()
+                batch.created_by = self.request.user
+                batch.po_total = 0
+                kwargs = self.get_batch_kwargs(batch, mobile=True)
+                batch = self.handler.make_batch(self.Session(), **kwargs)
+                if self.handler.should_populate(batch):
+                    self.handler.populate(batch)
+                return self.redirect(self.request.route_url('mobile.ordering.view', uuid=batch.uuid))
+
+        data['index_title'] = self.get_index_title()
+        data['index_url'] = self.get_index_url(mobile=True)
+        data['mode_title'] = self.enum.PURCHASE_BATCH_MODE[mode].capitalize()
+        return self.render_to_response('create', data, mobile=True)
+
+    def preconfigure_mobile_fieldset(self, fs):
+        super(OrderingBatchView, self).preconfigure_mobile_fieldset(fs)
+        fs.vendor.set(attrs={'hyperlink': False})
+
+    def configure_mobile_fieldset(self, fs):
+        fields = [
+            fs.vendor,
+            fs.department,
+            fs.date_ordered,
+            fs.po_number,
+            fs.po_total,
+            fs.created,
+            fs.created_by,
+            fs.notes,
+            fs.status_code,
+            fs.complete,
+        ]
+        batch = fs.model
+        if (self.viewing or self.deleting) and batch.executed:
+            fields.extend([
+                fs.executed,
+                fs.executed_by,
+            ])
+        fs.configure(include=fields)
+
     def download_excel(self):
         """
         Download ordering batch as Excel spreadsheet.