Introduce stock movements column in stock items index

Co-Authored-By: Elia Schito <[email protected]>

admin/app/components/solidus_admin/stock_items/index/component.rb

@@ -71,6 +71,7 @@ def columns
  stock_location_column,
  back_orderable_column,
  count_on_hand_column,
+ stock_movements_column,
  ]
  end
 
@@ -127,8 +128,29 @@ def variant_column
  def stock_location_column
  {
  header: :stock_location,
- data: ->(stock_item) do
- link_to stock_item.stock_location.name, spree.admin_stock_location_stock_movements_path(stock_item.stock_location.id, q: { variant_sku_eq: stock_item.variant.sku })
+ data: ->(stock_item) { stock_item.stock_location.name },
+ }
+ end
+
+ # Cache the stock movement counts to avoid N+1 queries
+ def stock_movement_counts
+ @stock_movement_counts ||= Spree::StockMovement.where(stock_item_id: @page.records.ids).group(:stock_item_id).count
+ end
+
+ def stock_movements_column
+ {
+ header: :stock_movements,
+ data: -> do
+ count = stock_movement_counts[_1.id] || 0
+
+ link_to(
+ "#{count} #{Spree::StockMovement.model_name.human(count: count).downcase}",
+ spree.admin_stock_location_stock_movements_path(
+ _1.stock_location.id,
+ q: { variant_sku_eq: _1.variant.sku },
+ ),
+ class: 'body-link'
+ )
  end
  }
  end