Fix missing item dropdown options on turbo stream distribution pages

app/controllers/distributions_controller.rb

@@ -121,6 +121,11 @@ def create
       @storage_locations = current_organization.storage_locations.active_locations.alphabetized.select do |storage_loc|
         inventory.quantity_for(storage_location: storage_loc.id).positive?
       end
+      if @distribution.storage_location.present?
+        @item_labels_with_quantities = inventory
+          .items_for_location(@distribution.storage_location.id, include_omitted: true)
+          .map(&:to_dropdown_option)
+      end
 
       flash_error = insufficient_error_message(result.error.message)
 

app/models/view/inventory.rb

@@ -5,9 +5,15 @@ module Types
 module View
   # A wrapper around event-driven InventoryAggregate for use in views.
   class Inventory
+    ItemDropdownOption = Struct.new(:id, :name)
+
     class ViewInventoryItem < EventTypes::EventItem
       attribute :db_item, Types::Nominal::Any
       delegate(*Item.column_names.map(&:to_sym), to: :db_item)
+
+      def to_dropdown_option
+        ItemDropdownOption.new(id: id, name: "#{name} (#{quantity})")
+      end
     end
 
     attr_accessor :inventory, :organization_id

app/views/line_items/_line_item_fields.html.erb

@@ -15,7 +15,7 @@
           <span class="li-name w-100">
             <%= field.input :item_id,
                             disabled: requested.present?,
-                            collection: @items, prompt: "Choose an item",
+                            collection: @item_labels_with_quantities || @items, prompt: "Choose an item",
                             include_blank: "",
                             label: false,
                             input_html: { class: "my-0 line_item_name", "data-controller": "select2" } %>

spec/requests/distributions_requests_spec.rb

@@ -130,6 +130,17 @@
         expect(response).to have_error
       end
 
+      it "renders #new with item quantities in dropdowns listed" do
+        create(:item, :with_unit, organization: organization, name: 'Item 1', unit: 'pack')
+
+        post distributions_path(distribution: distribution.except(:partner_id), format: :turbo_stream)
+
+        expect(response).to have_http_status(400)
+        expect(flash[:error]).to include("Sorry, we weren't able to save the distribution.")
+
+        expect(response.body).to include("Item 1 (0)")
+      end
+
       context "Deactivated partners should not be displayed in partner dropdown" do
         before do
           create(:partner, name: 'Active Partner', organization: organization, status: "approved")