Add some custom display logic for "current price" in pricing batch

tailbone/views/batch/pricing.py

@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2018 Lance Edgar
+#  Copyright © 2010-2020 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -27,8 +27,9 @@ Views for pricing batches
 from __future__ import unicode_literals, absolute_import
 
 from rattail.db import model
+from rattail.time import localtime
 
-from webhelpers2.html import tags
+from webhelpers2.html import tags, HTML
 
 from tailbone.views.batch import BatchMasterView
 
@@ -199,6 +200,8 @@ class PricingBatchView(BatchMasterView):
         g.set_type('new_price', 'currency')
         g.set_type('price_diff', 'currency')
 
+        g.set_renderer('current_price', self.render_current_price)
+
     def render_vendor_id(self, row, field):
         vendor_id = row.vendor.id if row.vendor else None
         if not vendor_id:
@@ -206,12 +209,42 @@ class PricingBatchView(BatchMasterView):
         return vendor_id
 
     def row_grid_extra_class(self, row, i):
+        extra_class = None
+
+        # primary class comes from row status
         if row.status_code in (row.STATUS_PRODUCT_NOT_FOUND,
                                row.STATUS_CANNOT_CALCULATE_PRICE,
                                row.STATUS_PRICE_BREACHES_SRP):
-            return 'warning'
-        if row.status_code in (row.STATUS_PRICE_INCREASE, row.STATUS_PRICE_DECREASE):
-            return 'notice'
+            extra_class = 'warning'
+        elif row.status_code in (row.STATUS_PRICE_INCREASE,
+                                 row.STATUS_PRICE_DECREASE):
+            extra_class = 'notice'
+
+        # but we want to indicate presence of current price also
+        if row.current_price:
+            extra_class = "{} has-current-price".format(extra_class or '')
+
+        return extra_class
+
+    def render_current_price(self, row, field):
+        value = row.current_price
+        if value is None:
+            return ""
+
+        if value < 0:
+            text = "(${:0,.2f})".format(0 - value)
+        else:
+            text = "${:0,.2f}".format(value)
+
+        if row.current_price_ends:
+            ends = localtime(self.rattail_config, row.current_price_ends, from_utc=True)
+            ends = "ends on {}".format(ends.date())
+        else:
+            ends = "never ends"
+        title = "{}, {}".format(
+            self.enum.PRICE_TYPE.get(row.current_price_type, "unknown type"),
+            ends)
+        return HTML.tag('span', title=title, c=text)
 
     def configure_row_form(self, f):
         super(PricingBatchView, self).configure_row_form(f)