Oops, load the data for the bulk item quantity form on the trades page!

app/controllers/item_trades_controller.rb

@@ -1,14 +1,18 @@
 class ItemTradesController < ApplicationController
 	def index
 		@item = Item.find params[:item_id]
-
 		@type = type_from_params
 
 		@item_trades = @item.closet_hangers.trading.includes(:user, :list).
 			user_is_active.order('users.last_trade_activity_at DESC').to_trades
-
 		@trades = @item_trades[@type]
 
+		if user_signed_in?
+			@current_user_lists = current_user.closet_lists.alphabetical.
+				group_by_owned
+			@current_user_quantities = current_user.item_quantities_for(@item)
+		end
+
 		render layout: 'items'
 	end
 

app/controllers/items_controller.rb

@@ -63,23 +63,10 @@ class ItemsController < ApplicationController
         @contributors_with_counts = @item.contributors_with_counts
 
         if user_signed_in?
-          # Empty arrays are important so that we can loop over this and still
-          # show the generic no-list case
-          @current_user_lists = {true => [], false => []}
-          current_user.closet_lists.alphabetical.each do |list|
-            @current_user_lists[list.hangers_owned] << list
-          end
-          
-          @current_user_quantities = Hash.new(0) # default is zero
-          hangers = current_user.closet_hangers.where(item_id: @item.id).
-            select([:owned, :list_id, :quantity])
-            
-          hangers.each do |hanger|
-            key = hanger.list_id || hanger.owned
-            @current_user_quantities[key] = hanger.quantity
-          end
+          @current_user_lists = current_user.closet_lists.alphabetical.
+            group_by_owned
+          @current_user_quantities = current_user.item_quantities_for(@item)
         end
-
       end
 
       format.gif do

app/models/closet_list.rb

@@ -87,6 +87,13 @@ class ClosetList < ApplicationRecord
     end
   end
 
+  def self.group_by_owned
+    h = all.group_by(&:hangers_owned?)
+    h[true] ||= []
+    h[false] ||= []
+    h
+  end
+
   include VisibilityMethods
 
   class Null

app/models/user.rb

@@ -175,6 +175,18 @@ class User < ApplicationRecord
     contact_neopets_connection.try(:neopets_username)
   end
 
+  def item_quantities_for(item_id)
+    quantities = Hash.new(0)
+
+    hangers = closet_hangers.where(item_id: item_id).
+      select([:owned, :list_id, :quantity])
+    hangers.each do |hanger|
+      quantities[hanger.list_id || hanger.owned?] = hanger.quantity
+    end
+
+    quantities
+  end
+
   def log_trade_activity
     touch(:last_trade_activity_at)
   end

app/views/item_trades/index.html.haml

@@ -1,8 +1,11 @@
 - title t(".title.#{@type}")
 - hide_title_header
 
-= render partial: "items/item_header", locals: {item: @item,
-	trades: @item_trades, current_subpage: "trades_#{@type}"}
+= render partial: "items/item_header",
+	locals: {item: @item, trades: @item_trades,
+		current_subpage: "trades_#{@type}",
+		current_user_lists: @current_user_lists,
+		current_user_quantities: @current_user_quantities}
 
 %h2.item-subpage-title= t(".title.#{@type}")
 

app/views/items/_item_header.haml

@@ -1,5 +1,7 @@
 - raise ArgumentError unless defined? item
 - raise ArgumentError unless defined? trades
+- raise ArgumentError unless defined? current_user_lists
+- raise ArgumentError unless defined? current_user_quantities
 - raise ArgumentError unless defined? current_subpage
 
 %header.item-header
@@ -38,22 +40,22 @@
             = t 'items.show.closet_hangers.header_html',
               user_items_link: link_to(t('your_items'),
               user_closet_hangers_path(current_user))
-          = form_tag update_quantities_user_item_closet_hangers_path(:user_id => current_user, :item_id => @item), :method => :put do
+          = form_tag update_quantities_user_item_closet_hangers_path(:user_id => current_user, :item_id => item), :method => :put do
             .closet-hangers-ownership-groups
-              - @current_user_lists.each do |owned, lists|
+              - current_user_lists.each do |owned, lists|
                 %div
                   %h4= closet_lists_group_name(:you, owned)
                   %ul
                     - lists.each_with_index do |list, index|
                       %li
                         = number_field_tag "quantity[#{list.id}]",
-                          @current_user_quantities[list.id], min: 0,
+                          current_user_quantities[list.id], min: 0,
                           autofocus: owned && index == 0
                         = label_tag "quantity[#{list.id}]", list.name
                     
                     %li
                       = number_field_tag "quantity[#{owned}]",
-                        @current_user_quantities[owned], min: 0,
+                        current_user_quantities[owned], min: 0,
                         autofocus: owned && lists.empty?
                           
                       - unless lists.empty?
@@ -65,7 +67,7 @@
                                     t('items.show.closet_hangers.quantity_label')
             = submit_tag t('items.show.closet_hangers.submit')
 
-  %p.item-description= @item.description
+  %p.item-description= item.description
 
   %nav.item-subpages-nav
     = link_to t('items.show.subpages_nav.preview'), item,

app/views/items/show.html.haml

@@ -2,7 +2,9 @@
 - canonical_path @item
 
 = render partial: "item_header",
-  locals: {item: @item, trades: @trades, current_subpage: "preview"}
+  locals: {item: @item, trades: @trades, current_subpage: "preview",
+    current_user_lists: @current_user_lists,
+    current_user_quantities: @current_user_quantities}
 
 #outfit-preview-root{'data-item-id': @item.id}