Highlight SRP in red, if reg price is greater (in products grid)

seems like a good enough idea generally...

tailbone/views/products.py

@@ -305,6 +305,9 @@ class ProductsView(MasterView):
         g.set_sorter('current_price', self.CurrentPrice.price)
         g.set_filter('current_price', self.CurrentPrice.price, label="Current Price")
 
+        # suggested_price
+        g.set_renderer('suggested_price', self.render_grid_suggested_price)
+
         # (unit) cost
         g.set_joiner('cost', lambda q: q.outerjoin(model.ProductCost,
                                                    sa.and_(
@@ -518,6 +521,18 @@ class ProductsView(MasterView):
         else: # not buefy
             return self.add_price_history_link(text, 'suggested')
 
+    def render_grid_suggested_price(self, product, field):
+        text = self.render_price(product, field)
+        if not text:
+            return ""
+
+        sugprice = product.suggested_price.price if product.suggested_price else None
+        regprice = product.regular_price.price if product.regular_price else None
+        if sugprice and regprice and sugprice < regprice:
+            return HTML.tag('div', style='color: red;', c=text)
+
+        return text
+
     def render_true_cost(self, product, field):
         if not product.volatile:
             return ""