Class: Inventory::RoomConfigurationRemainingItems

Inherits:
BaseService
  • Object
show all
Defined in:
app/services/inventory/room_configuration_remaining_items.rb

Defined Under Namespace

Classes: Result

Instance Method Summary collapse

Instance Method Details

#line_items(room_configuration) ⇒ Object 



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# File 'app/services/inventory/room_configuration_remaining_items.rb', line 13

def line_items(room_configuration)
  total_items = []
  total_line_items = []
  item_groups = []
  room_configuration.line_items.non_shipping.includes(:item, { catalog_item: :store_item }).find_each do |line_item|
    # Store available quantity per item
    total_items << [line_item.item_id, line_item.catalog_item.store_item.qty_available]
    # Qty per line item
    total_line_items << [line_item.id, line_item.item_id, line_item.quantity]
  end
  total_items = total_items.uniq
  total_line_items = total_line_items.uniq

  total_line_items.each do |li|
    line_item_id = li[0]
    line_item_item_id = li[1]
    line_item_qty = li[2]
    item_qty_available_updated = 0

    total_items.each do |i|
      item_id = i[0]
      item_qty_available = i[1]
      next unless line_item_item_id == item_id

      current_item_qty_available = item_qty_available - line_item_qty
      item_qty_available_updated = current_item_qty_available
      item_groups << [line_item_id, line_item_item_id, line_item_qty, current_item_qty_available]
    end

    # Update only the matched item's qty in place; pass everything else
    # through unchanged. RuboCop autocorrect once collapsed this to a
    # `... if cond` modifier (returns nil for the else branch) and
    # crashed the next outer iteration. See quoted_remaining_items.rb
    # for the matching fix.
    total_items = total_items.map do |r|
      r[0] == line_item_item_id ? [r[0], item_qty_available_updated] : r
    end
  end

  total_items = total_items.sort_by { |a, _b, _c, _d| a }
  item_groups
end

#process(room_configuration) ⇒ Object 



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# File 'app/services/inventory/room_configuration_remaining_items.rb', line 7

def process(room_configuration)
  @item_groups = line_items(room_configuration)

  Result.new(item_groups: @item_groups)
end