Class: SpreeCmCommissioner::RedisStock::CachedInventoryItemsBuilder

Inherits:
Object
  • Object
show all
Defined in:
app/models/spree_cm_commissioner/redis_stock/cached_inventory_items_builder.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(inventory_items) ⇒ CachedInventoryItemsBuilder

Returns a new instance of CachedInventoryItemsBuilder.



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# File 'app/models/spree_cm_commissioner/redis_stock/cached_inventory_items_builder.rb', line 6

def initialize(inventory_items)
  @inventory_items = inventory_items
end

Instance Attribute Details

#inventory_items ⇒ Object (readonly)

Returns the value of attribute inventory_items.



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# File 'app/models/spree_cm_commissioner/redis_stock/cached_inventory_items_builder.rb', line 4

def inventory_items
  @inventory_items
end

Instance Method Details

#call ⇒ Object

output: [ CachedInventoryItem(…), CachedInventoryItem(…) ]



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# File 'app/models/spree_cm_commissioner/redis_stock/cached_inventory_items_builder.rb', line 11

def call
  stock_keys = inventory_items.map(&:redis_key)
  hold_keys = inventory_items.map(&:redis_hold_key)
  all_keys = stock_keys + hold_keys
  return [] unless all_keys.any?

  all_counts = SpreeCmCommissioner.inventory_redis_pool.with { |redis| redis.mget(*all_keys) }
  stock_counts = all_counts.first(inventory_items.length)
  hold_counts = all_counts.last(inventory_items.length)

  inventory_items.map.with_index do |inventory_item, i|
    ::SpreeCmCommissioner::CachedInventoryItem.new(
      inventory_key: stock_keys[i],
      inventory_hold_key: hold_keys[i],
      active: inventory_item.active?,
      quantity_available: cache_inventory(stock_keys[i], inventory_item, inventory_item.quantity_available, stock_counts[i]),
      quantity_on_hold: cache_inventory(hold_keys[i], inventory_item, inventory_item.quantity_on_hold, hold_counts[i]),
      max_capacity: inventory_item.max_capacity,
      inventory_item_id: inventory_item.id,
      variant_id: inventory_item.variant_id
    )
  end
end