Move some custorder logic to handler; allow force-swap of product selection

tailbone/static/js/tailbone.buefy.autocomplete.js

@@ -32,10 +32,17 @@ const TailboneAutocomplete = {
         // allows for the "label" to display correctly as well
         initialLabel: String,
 
-        // TODO: i am not sure this is needed?  but current logic does
+        // while the `initialLabel` above is useful for setting the
-        // handle it specially, so am leaving for now.  if this prop
+        // *initial* label (of course), it cannot be used to
-        // is set by the caller, then the `assignedLabel` will *always*
+        // arbitrarily update the label during the component's life.
-        // be shown for the button (when "selection" has been made)
+        // if you do need to *update* the label after initial page
+        // load, then you should set `assignedLabel` instead.  one
+        // place this happens is in /custorders/create page, where
+        // product autocomplete shows some results, and user clicks
+        // one, but then handler logic can forcibly "swap" the
+        // selection, causing *different* product data to come back
+        // from the server, and autocomplete label should be updated
+        // to match.  this feels a bit awkward still but does work..
         assignedLabel: String,
 
         // simple placeholder text for the input box

tailbone/templates/custorders/create.mako

@@ -511,7 +511,7 @@
                             <tailbone-autocomplete ref="productAutocomplete"
                                                    v-model="productUUID"
                                                    placeholder="Enter UPC or brand, description etc."
-                                                   :initial-label="productDisplay"
+                                                   :assigned-label="productDisplay"
                                                    serviceUrl="${url('{}.product_autocomplete'.format(route_prefix))}"
                                                    @input="productChanged">
                             </tailbone-autocomplete>
@@ -1368,12 +1368,18 @@
 
             productChanged(uuid) {
                 if (uuid) {
-                    this.productUUID = uuid
                     let params = {
                         action: 'get_product_info',
-                        uuid: this.productUUID,
+                        uuid: uuid,
                     }
+                    // nb. it is possible for the handler to "swap"
+                    // the product selection, i.e. user chooses a "per
+                    // LB" item but the handler only allows selling by
+                    // the "case" item.  so we do not assume the uuid
+                    // received above is the correct one, but just use
+                    // whatever came back from handler
                     this.submitBatchData(params, response => {
+                        this.productUUID = response.data.uuid
                         this.productUPC = response.data.upc_pretty
                         this.productKey = response.data.key
                         this.productDisplay = response.data.full_description

tailbone/views/custorders/orders.py

@@ -551,61 +551,12 @@ class CustomerOrderView(MasterView):
         return self.info_for_product(batch, data, product)
 
     def uom_choices_for_product(self, product):
-        choices = []
+        return self.handler.uom_choices_for_product(product)
-
-        # Each
-        if not product or not product.weighed:
-            unit_name = self.enum.UNIT_OF_MEASURE[self.enum.UNIT_OF_MEASURE_EACH]
-            choices.append({'key': self.enum.UNIT_OF_MEASURE_EACH,
-                            'value': unit_name})
-
-        # Pound
-        if not product or product.weighed:
-            unit_name = self.enum.UNIT_OF_MEASURE[self.enum.UNIT_OF_MEASURE_POUND]
-            choices.append({
-                'key': self.enum.UNIT_OF_MEASURE_POUND,
-                'value': unit_name,
-            })
-
-        # Case
-        case_text = None
-        case_size = self.handler.get_case_size_for_product(product)
-        if case_size is None:
-            case_text = "{} (× ?? {})".format(
-                self.enum.UNIT_OF_MEASURE[self.enum.UNIT_OF_MEASURE_CASE],
-                unit_name)
-        elif case_size > 1:
-            case_text = "{} (× {} {})".format(
-                self.enum.UNIT_OF_MEASURE[self.enum.UNIT_OF_MEASURE_CASE],
-                pretty_quantity(case_size),
-                unit_name)
-        if case_text:
-            choices.append({'key': self.enum.UNIT_OF_MEASURE_CASE,
-                            'value': case_text})
-
-        return choices
 
     def info_for_product(self, batch, data, product):
-        app = self.get_rattail_app()
+        info = self.handler.get_product_info(batch, product)
-        products = app.get_products_handler()
+        info['url'] = self.request.route_url('products.view', uuid=info['uuid'])
-        data = {
+        return info
-            'uuid': product.uuid,
-            'upc': six.text_type(product.upc),
-            'upc_pretty': product.upc.pretty(),
-            'unit_price_display': self.get_unit_price_display(product),
-            'full_description': product.full_description,
-            'url': self.request.route_url('products.view', uuid=product.uuid),
-            'image_url': products.get_image_url(product),
-            'uom_choices': self.uom_choices_for_product(product),
-        }
-
-        key = self.rattail_config.product_key()
-        if key == 'upc':
-            data['key'] = data['upc_pretty']
-        else:
-            data['key'] = getattr(product, key, data['upc_pretty'])
-
-        return data
 
     def normalize_batch(self, batch):
         return {