class Item < ApplicationRecord
include PrettyParam
include Item::Dyeworks
# We use the `type` column to mean something other than what Rails means!
self.inheritance_column = nil
SwfAssetType = 'object'
serialize :cached_compatible_body_ids, coder: Serializers::IntegerSet
serialize :cached_occupied_zone_ids, coder: Serializers::IntegerSet
has_many :closet_hangers
has_one :contribution, as: :contributed, inverse_of: :contributed
has_one :nc_mall_record
has_many :parent_swf_asset_relationships, as: :parent
has_many :swf_assets, through: :parent_swf_asset_relationships
belongs_to :dyeworks_base_item, class_name: "Item",
default: -> { inferred_dyeworks_base_item }, optional: true
has_many :dyeworks_variants, class_name: "Item",
inverse_of: :dyeworks_base_item
# We require a name field. A number of other fields must be *specified*: they
# can't be nil, to help ensure we aren't forgetting any fields when importing
# items. But sometimes they happen to be blank (e.g. when TNT leaves an item
# description empty, oops), in which case we want to accept that reality!
validates_presence_of :name
validates :description, :thumbnail_url, :rarity, :price, :zones_restrict,
exclusion: {in: [nil], message: "must be specified"}
after_save :update_cached_fields,
if: :modeling_status_hint_previously_changed?
attr_writer :current_body_id, :owned, :wanted
NCRarities = [0, 500]
PAINTBRUSH_SET_DESCRIPTION = 'This item is part of a deluxe paint brush set!'
scope :newest, -> {
order(arel_table[:created_at].desc) if arel_table[:created_at]
}
scope :sitemap, -> { order([:id]).limit(49999) }
scope :name_includes, ->(value) {
Item.where("name LIKE ?", "%" + sanitize_sql_like(value) + "%")
}
scope :name_excludes, ->(value) {
Item.where("name NOT LIKE ?", "%" + sanitize_sql_like(value) + "%")
}
scope :is_nc, -> {
i = Item.arel_table
where(i[:rarity_index].in(Item::NCRarities).or(i[:is_manually_nc].eq(true)))
}
scope :is_not_nc, -> {
i = Item.arel_table
where(i[:rarity_index].in(Item::NCRarities).or(i[:is_manually_nc].eq(true)).not)
}
scope :is_np, -> {
self.is_not_nc.is_not_pb
}
scope :is_not_np, -> {
self.merge Item.is_nc.or(Item.is_pb)
}
scope :is_pb, -> {
where('description LIKE ?',
'%' + sanitize_sql_like(PAINTBRUSH_SET_DESCRIPTION) + '%')
}
scope :is_not_pb, -> {
where('description NOT LIKE ?',
'%' + sanitize_sql_like(PAINTBRUSH_SET_DESCRIPTION) + '%')
}
scope :is_modeled, -> {
where(cached_predicted_fully_modeled: true)
}
scope :is_not_modeled, -> {
where(cached_predicted_fully_modeled: false)
}
scope :occupies, ->(zone_label) {
Zone.matching_label(zone_label).
map { |z| occupies_zone_id(z.id) }.reduce(none, &:or)
}
scope :not_occupies, ->(zone_label) {
Zone.matching_label(zone_label).
map { |z| not_occupies_zone_id(z.id) }.reduce(all, &:and)
}
scope :occupies_zone_id, ->(zone_id) {
where("FIND_IN_SET(?, cached_occupied_zone_ids) > 0", zone_id)
}
scope :not_occupies_zone_id, ->(zone_id) {
where.not("FIND_IN_SET(?, cached_occupied_zone_ids) > 0", zone_id)
}
scope :restricts, ->(zone_label) {
zone_ids = Zone.matching_label(zone_label).map(&:id)
condition = zone_ids.map { '(SUBSTR(items.zones_restrict, ?, 1) = "1")' }.join(' OR ')
where(condition, *zone_ids)
}
scope :not_restricts, ->(zone_label) {
zone_ids = Zone.matching_label(zone_label).map(&:id)
condition = zone_ids.map { '(SUBSTR(items.zones_restrict, ?, 1) = "1")' }.join(' OR ')
where("NOT (#{condition})", *zone_ids)
}
scope :fits, ->(body_id) {
where("FIND_IN_SET(?, cached_compatible_body_ids) > 0", body_id).
or(where("FIND_IN_SET('0', cached_compatible_body_ids) > 0"))
}
scope :not_fits, ->(body_id) {
where.not("FIND_IN_SET(?, cached_compatible_body_ids) > 0", body_id).
and(where.not("FIND_IN_SET('0', cached_compatible_body_ids) > 0"))
}
def nc_trade_value
return nil unless nc?
# Load the trade value, if we haven't already. Note that, because the trade
# value may be nil, we also save an explicit boolean for whether we've
# already looked it up, rather than checking if the saved value is empty.
return @nc_trade_value if @nc_trade_value_loaded
@nc_trade_value = begin
Rails.logger.debug "Item #{id} (#{name}) <lookup>"
OwlsValueGuide.find_by_name(name)
rescue OwlsValueGuide::NotFound => error
Rails.logger.debug("No NC trade value listed for #{name} (#{id})")
nil
rescue OwlsValueGuide::NetworkError => error
Rails.logger.error("Couldn't load nc_trade_value: #{error.full_message}")
nil
end
@nc_trade_value_loaded = true
@nc_trade_value
end
# Return an OrderedHash mapping users to the number of times they
# contributed to this item's assets, from most contributions to least.
def contributors_with_counts
# Get contributing users' IDs
swf_asset_ids = swf_assets.select(SwfAsset.arel_table[:id]).map(&:id)
swf_asset_contributions = Contribution.select('user_id').
where(:contributed_type => 'SwfAsset', :contributed_id => swf_asset_ids)
contributor_ids = swf_asset_contributions.map(&:user_id)
# Get the users, mapped by ID
contributors_by_id = {}
User.find(contributor_ids).each { |u| contributors_by_id[u.id] = u }
# Count each user's contributions
contributor_counts_by_id = Hash.new(0)
contributor_ids.each { |id| contributor_counts_by_id[id] += 1 }
# Build an OrderedHash mapping users to counts in descending order
contributors_with_counts = ActiveSupport::OrderedHash.new
contributor_counts_by_id.sort_by { |k, v| v }.reverse.each do |id, count|
contributor = contributors_by_id[id]
contributors_with_counts[contributor] = count
end
contributors_with_counts
end
def nc?
is_manually_nc? || NCRarities.include?(rarity_index)
end
def pb?
I18n.with_locale(:en) { self.description == PAINTBRUSH_SET_DESCRIPTION }
end
def np?
!nc? && !pb?
end
def currently_in_mall?
nc_mall_record.present?
end
def source
if dyeworks_buyable?
:dyeworks
elsif currently_in_mall?
:nc_mall
elsif nc?
:other_nc
elsif np?
:np
elsif pb?
:pb
else
raise "Item has no matching source (should not happen?)"
end
end
def owned?
@owned || false
end
def wanted?
@wanted || false
end
def current_nc_price
nc_mall_record&.current_price
end
# If this is a PB item, return the corresponding Color, inferred from the
# item name. If it's not a PB item, or we fail to infer a specific color,
# return nil. (This is expected to be nil for some PB items, like the "Aisha
# Collar", which belong to many colors. It can also be nil for PB items for
# new colors we haven't manually added to the database yet, or if a PB item
# is named strangely in the future.)
def pb_color
return nil unless pb?
# NOTE: To handle colors like "Royalboy", where the items aren't consistent
# with the color name regarding whether or not there's spaces, we remove
# all spaces from the item name and color name when matching. We also
# hackily handle the fact that "Elderlyboy" color has items named "Elderly
# Male" (and same for Girl/Female) by replacing those words, too. These
# hacks could cause false matches in theory, but I'm not aware of any rn!
normalized_name = name.downcase.gsub("female", "girl").gsub("male", "boy").
gsub(/\s/, "")
# For each color, normalize its name, look for it in the item name, and
# return the matching color that appears earliest. (This is important for
# items that contain multiple color names, like the "Royal Girl Elephante
# Gold Bracelets".)
Color.all.to_h { |c| [c, c.name.downcase.gsub(/\s/, "")] }.
transform_values { |n| normalized_name.index(n) }.
filter { |c, n| n.present? }.
min_by { |c, i| i }&.first
end
# If this is a PB item, return the corresponding Species, inferred from the
# item name. If it's not a PB item, or we fail to infer a specific species,
# return nil. (This is not expected to be nil in general, but could be for PB
# items for new species we haven't manually added to the database yet, or if
# a PB item is named strangely in the future.)
def pb_species
return nil unless pb?
normalized_name = name.downcase
Species.order(:name).find { |s| normalized_name.include?(s.name.downcase) }
end
def pb_item_name
pb_color&.pb_item_name
end
def restricted_zones(options={})
options[:scope] ||= Zone.all
options[:scope].find(restricted_zone_ids)
end
def restricted_zone_ids
unless @restricted_zone_ids
@restricted_zone_ids = []
zones_restrict.split(//).each_with_index do |switch, id|
@restricted_zone_ids << (id.to_i + 1) if switch == '1'
end
end
@restricted_zone_ids
end
def occupied_zone_ids
occupied_zones.map(&:id)
end
def occupied_zones
zone_ids = swf_assets.map(&:zone_id).uniq
Zone.find(zone_ids)
end
def affected_zones
restricted_zones + occupied_zones
end
def update_cached_fields
# First, clear out some cached instance variables we use for performance,
# to ensure we recompute the latest values.
@predicted_body_ids = nil
@predicted_missing_body_ids = nil
# We also need to reload our associations, so they include any new records.
swf_assets.reload
# Finally, compute and save our cached fields.
self.cached_occupied_zone_ids = occupied_zone_ids
self.cached_compatible_body_ids = compatible_body_ids(use_cached: false)
self.cached_predicted_fully_modeled =
predicted_fully_modeled?(use_cached: false)
self.save!
end
def species_support_ids
@species_support_ids_array ||= read_attribute('species_support_ids').split(',').map(&:to_i) rescue nil
end
def species_support_ids=(replacement)
@species_support_ids_array = nil
replacement = replacement.join(',') if replacement.is_a?(Array)
write_attribute('species_support_ids', replacement)
end
def modeling_hinted_done?
modeling_status_hint == "done" || modeling_status_hint == "glitchy"
end
def predicted_body_ids
@predicted_body_ids ||= if modeling_hinted_done?
# If we've manually set this item to no longer report as needing modeling,
# predict that the current bodies are all of the compatible bodies.
compatible_body_ids
elsif compatible_body_ids.include?(0)
# Oh, look, it's already known to fit everybody! Sweet. We're done. (This
# isn't folded into the case below, in case this item somehow got a
# body-specific and non-body-specific asset. In all the cases I've seen
# it, that indicates a glitched item, but this method chooses to reflect
# behavior elsewhere in the app by saying that we can put this item on
# anybody. (Heh. Any body.))
compatible_body_ids
elsif compatible_body_ids.size == 1
# This might just be a species-specific item. Let's be conservative in
# our prediction, though we'll revise it if we see another body ID.
compatible_body_ids
elsif compatible_body_ids.size == 0
# If somehow we have this item, but not any modeling data for it (weird!),
# consider it to fit all standard pet types until shown otherwise.
PetType.basic.released_before(released_at_estimate).
distinct.pluck(:body_id).sort
else
# First, find our compatible pet types, then pair each body ID with its
# color. (As an optimization, we omit standard colors, other than the
# basic colors. We also flatten the basic colors into the single color
# ID "basic", so we can treat them specially.)
compatible_pairs = compatible_pet_types.joins(:color).
merge(Color.nonstandard.or(Color.basic)).
distinct.pluck(
Arel.sql("IF(colors.basic, 'basic', colors.id)"), :body_id)
# Group colors by body, to help us find bodies unique to certain colors.
compatible_color_ids_by_body_id = {}.tap do |h|
compatible_pairs.each do |(color_id, body_id)|
h[body_id] ||= []
h[body_id] << color_id
end
end
# Find non-basic colors with at least one unique compatible body. (This
# means we'll ignore e.g. the Maraquan Mynci, which has the same body as
# the Blue Mynci, as not indicating Maraquan compatibility in general.)
modelable_color_ids =
compatible_color_ids_by_body_id.
filter { |k, v| v.size == 1 && v.first != "basic" }.
values.map(&:first).uniq
# We can model on basic pets (perhaps in addition to the above) if we
# find at least one compatible basic body that doesn't *also* fit any of
# the modelable colors we identified above.
basic_is_modelable =
compatible_color_ids_by_body_id.values.
any? { |v| v.include?("basic") && (v & modelable_color_ids).empty? }
# Filter to pet types that match the colors that seem compatible.
predicted_pet_types =
(basic_is_modelable ? PetType.basic : PetType.none).
or(PetType.where(color_id: modelable_color_ids))
# Only include species that were released when this item was. If we don't
# know our creation date (we don't have it for some old records), assume
# it's pretty old.
predicted_pet_types.merge! PetType.released_before(released_at_estimate)
# Get all body IDs for the pet types we decided are modelable.
predicted_pet_types.distinct.pluck(:body_id).sort
end
end
def predicted_missing_body_ids
@predicted_missing_body_ids ||= predicted_body_ids - compatible_body_ids
end
def predicted_missing_standard_body_ids_by_species_id
@predicted_missing_standard_body_ids_by_species_id ||=
PetType.select('DISTINCT body_id, species_id').
joins(:color).
where(body_id: predicted_missing_body_ids,
colors: {standard: true}).
inject({}) { |h, pt| h[pt.species_id] = pt.body_id; h }
end
def predicted_missing_standard_body_ids_by_species
species = Species.where(id: predicted_missing_standard_body_ids_by_species_id.keys)
species_by_id = species.inject({}) { |h, s| h[s.id] = s; h }
predicted_missing_standard_body_ids_by_species_id.inject({}) { |h, (sid, bid)|
h[species_by_id[sid]] = bid; h }
end
def predicted_missing_nonstandard_body_pet_types
body_ids = predicted_missing_body_ids - PetType.basic_body_ids
PetType.joins(:color).where(body_id: body_ids, colors: {standard: false})
end
def predicted_missing_nonstandard_body_ids_by_species_by_color
pet_types = predicted_missing_nonstandard_body_pet_types
species_by_id = {}
Species.find(pet_types.map(&:species_id)).each do |species|
species_by_id[species.id] = species
end
colors_by_id = {}
Color.find(pet_types.map(&:color_id)).each do |color|
colors_by_id[color.id] = color
end
body_ids_by_species_by_color = {}
pet_types.each do |pt|
color = colors_by_id[pt.color_id]
body_ids_by_species_by_color[color] ||= {}
body_ids_by_species_by_color[color][species_by_id[pt.species_id]] = pt.body_id
end
body_ids_by_species_by_color
end
def predicted_fully_modeled?(use_cached: true)
return cached_predicted_fully_modeled? if use_cached
predicted_missing_body_ids.empty?
end
def predicted_modeled_ratio
compatible_body_ids.size.to_f / predicted_body_ids.size
end
# We estimate the item's release time as either when we first saw it, or 2010
# if it's so old that we don't have a record.
def released_at_estimate
created_at || Time.new(2010)
end
def as_json(options={})
super({
only: [:id, :name, :description, :thumbnail_url, :rarity_index],
methods: [:zones_restrict],
}.merge(options))
end
def compatible_body_ids(use_cached: true)
return cached_compatible_body_ids if use_cached
swf_assets.map(&:body_id).uniq
end
def compatible_pet_types
return PetType.all if compatible_body_ids.include?(0)
PetType.where(body_id: compatible_body_ids)
end
def handle_assets!
if @parent_swf_asset_relationships_to_update && @current_body_id
new_swf_asset_ids = @parent_swf_asset_relationships_to_update.map(&:swf_asset_id)
rels = ParentSwfAssetRelationship.arel_table
swf_assets = SwfAsset.arel_table
# If a relationship used to bind an item and asset for this body type,
# but doesn't in this sample, the two have been unbound. Delete the
# relationship.
ids_to_delete = self.parent_swf_asset_relationships.
select(rels[:id]).
joins(:swf_asset).
where(rels[:swf_asset_id].not_in(new_swf_asset_ids)).
where(swf_assets[:body_id].in([@current_body_id, 0])).
map(&:id)
unless ids_to_delete.empty?
ParentSwfAssetRelationship.where(:id => ids_to_delete).delete_all
end
@parent_swf_asset_relationships_to_update.each do |rel|
rel.save!
rel.swf_asset.save!
end
end
end
def body_specific?
# If there are species support IDs (it's not empty), the item is
# body-specific. If it's empty, it fits everyone the same.
explicitly_body_specific? || !species_support_ids.empty?
end
def add_origin_registry_info(info, locale)
# bear in mind that numbers from registries are floats
species_support_strs = info['species_support'] || []
self.species_support_ids = species_support_strs.map(&:to_i)
# NOTE: If some of these fields are missing, it could cause saving the item
# to fail, because many of these columns are non-nullable.
self.name = info['name']
self.description = info['description']
self.thumbnail_url = info['thumbnail_url']
self.category = info['category']
self.type = info['type']
self.rarity = info['rarity']
self.rarity_index = info['rarity_index'].to_i
self.price = info['price'].to_i
self.weight_lbs = info['weight_lbs'].to_i
self.zones_restrict = info['zones_restrict']
end
def pending_swf_assets
@parent_swf_asset_relationships_to_update.inject([]) do |all_swf_assets, relationship|
all_swf_assets << relationship.swf_asset
end
end
def parent_swf_asset_relationships_to_update=(rels)
@parent_swf_asset_relationships_to_update = rels
end
# NOTE: Adding the JSON serializer makes `as_json` treat this like a model
# instead of like a hash, so you can target its children with things like
# the `include` option. This feels clunky though, I wish I had something a
# bit more suited to it!
Appearance = Struct.new(:item, :body, :swf_assets) do
include ActiveModel::Serializers::JSON
delegate :present?, :empty?, to: :swf_assets
delegate :species, :fits?, :fits_all?, to: :body
def attributes
{item:, body:, swf_assets:}
end
def html5?
swf_assets.all?(&:html5?)
end
def occupied_zone_ids
swf_assets.map(&:zone_id).uniq.sort
end
def restricted_zone_ids
return [] if empty?
([item] + swf_assets).map(&:restricted_zone_ids).flatten.uniq.sort
end
end
Appearance::Body = Struct.new(:id, :species) do
include ActiveModel::Serializers::JSON
def attributes
{id:, species:}
end
def fits_all?
id == 0
end
def fits?(target)
fits_all? || target.body_id == id
end
end
def appearances
@appearances ||= build_appearances
end
def build_appearances
all_swf_assets = swf_assets.to_a
# If there are no assets yet, there are no appearances.
return [] if all_swf_assets.empty?
# Get all SWF assets, and separate the ones that fit everyone (body_id=0).
swf_assets_by_body_id = all_swf_assets.group_by(&:body_id)
swf_assets_for_all_bodies = swf_assets_by_body_id.delete(0) || []
# If there are no body-specific assets, return one appearance for them all.
if swf_assets_by_body_id.empty?
body = Appearance::Body.new(0, nil)
return [Appearance.new(self, body, swf_assets_for_all_bodies)]
end
# Otherwise, create an appearance for each real (nonzero) body ID. We don't
# generally expect body_id = 0 and body_id != 0 to mix, but if they do,
# uhh, let's merge the body_id = 0 ones in?
species_by_body_id = Species.with_body_ids(swf_assets_by_body_id.keys)
swf_assets_by_body_id.map do |body_id, body_specific_assets|
swf_assets_for_body = body_specific_assets + swf_assets_for_all_bodies
body = Appearance::Body.new(body_id, species_by_body_id[body_id])
Appearance.new(self, body, swf_assets_for_body)
end
end
def appearance_for(target, ...)
Item.appearances_for([self], target, ...)[id]
end
def appearances_by_occupied_zone_label
zones_by_id = occupied_zones.to_h { |z| [z.id, z] }
{}.tap do |h|
appearances.each do |appearance|
appearance.occupied_zone_ids.each do |zone_id|
zone_label = zones_by_id[zone_id].label
h[zone_label] ||= []
h[zone_label] << appearance
end
end
end
end
# Given a list of items, return how they look on the given target (either a
# pet type or an alt style).
def self.appearances_for(items, target, swf_asset_includes: [])
# First, load all the relationships for these items that also fit this
# body.
relationships = ParentSwfAssetRelationship.
includes(swf_asset: swf_asset_includes).
where(parent_type: "Item", parent_id: items.map(&:id)).
where(swf_asset: {body_id: [target.body_id, 0]})
pet_type_body = Appearance::Body.new(target.body_id, target.species)
all_pets_body = Appearance::Body.new(0, nil)
# Then, convert this into a hash from item ID to SWF assets.
assets_by_item_id = relationships.group_by(&:parent_id).
transform_values { |rels| rels.map(&:swf_asset) }
# Finally, for each item, return an appearance—even if it's empty!
items.to_h do |item|
assets = assets_by_item_id.fetch(item.id, [])
fits_all_pets = assets.present? && assets.all? { |a| a.body_id == 0 }
body = fits_all_pets ? all_pets_body : pet_type_body
[item.id, Appearance.new(item, body, assets)]
end
end
def self.all_by_ids_or_children(ids, swf_assets)
swf_asset_ids = []
swf_assets_by_id = {}
swf_assets_by_parent_id = {}
swf_assets.each do |swf_asset|
id = swf_asset.id
swf_assets_by_id[id] = swf_asset
swf_asset_ids << id
end
SwfAsset.object_assets.joins(:parent_swf_asset_relationships).
where(SwfAsset.arel_table[:id].in(swf_asset_ids)).select([
SwfAsset.arel_table[:id],
ParentSwfAssetRelationship.arel_table[:parent_id]
]).each do |row|
item_id = row.parent_id.to_i
swf_assets_by_parent_id[item_id] ||= []
swf_assets_by_parent_id[item_id] << swf_assets_by_id[row.id.to_i]
ids << item_id
end
find(ids).tap do |items|
items.each do |item|
swf_assets = swf_assets_by_parent_id[item.id]
if swf_assets
swf_assets.each do |swf_asset|
swf_asset.item = item
end
end
end
end
end
def self.preload_nc_trade_values(items)
DTIRequests.load_many(max_at_once: 10) do |task|
# Load all the trade values in concurrent async tasks. (The
# `nc_trade_value` caches the value in the Item object.)
items.each { |item| task.async { item.nc_trade_value } }
end
items
end
def self.collection_from_pet_type_and_registries(pet_type, info_registry, asset_registry, scope=Item.all)
# bear in mind that registries are arrays with many nil elements,
# due to how the parser works
# Collect existing items
items = {}
item_ids = []
info_registry.each do |item_id, info|
if info && info[:is_compatible]
item_ids << item_id.to_i
end
end
# Collect existing relationships
existing_relationships_by_item_id_and_swf_asset_id = {}
existing_items = scope.where(id: item_ids).
includes(:parent_swf_asset_relationships)
existing_items.each do |item|
items[item.id] = item
relationships_by_swf_asset_id = {}
item.parent_swf_asset_relationships.each do |relationship|
relationships_by_swf_asset_id[relationship.swf_asset_id] = relationship
end
existing_relationships_by_item_id_and_swf_asset_id[item.id] =
relationships_by_swf_asset_id
end
# Collect existing assets
swf_asset_ids = []
asset_registry.each do |asset_id, asset_data|
swf_asset_ids << asset_id.to_i if asset_data
end
existing_swf_assets = SwfAsset.object_assets.includes(:zone).
where(remote_id: swf_asset_ids)
existing_swf_assets_by_remote_id = {}
existing_swf_assets.each do |swf_asset|
existing_swf_assets_by_remote_id[swf_asset.remote_id] = swf_asset
end
# With each asset in the registry,
relationships_by_item_id = {}
asset_registry.each do |asset_id, asset_data|
if asset_data
# Build and update the item
item_id = asset_data[:obj_info_id].to_i
next unless item_ids.include?(item_id) # skip incompatible (Uni Bug)
item = items[item_id]
unless item
item = Item.new
item.id = item_id
items[item_id] = item
end
item.add_origin_registry_info info_registry[item.id.to_s], I18n.default_locale
item.current_body_id = pet_type.body_id
# Build and update the SWF
swf_asset_remote_id = asset_data[:asset_id].to_i
swf_asset = existing_swf_assets_by_remote_id[swf_asset_remote_id]
unless swf_asset
swf_asset = SwfAsset.new
swf_asset.remote_id = swf_asset_remote_id
end
swf_asset.origin_object_data = asset_data
swf_asset.origin_pet_type = pet_type
swf_asset.item = item
# Build and update the relationship
relationship = existing_relationships_by_item_id_and_swf_asset_id[item.id][swf_asset.id] rescue nil
unless relationship
relationship = ParentSwfAssetRelationship.new
relationship.parent = item
end
relationship.swf_asset = swf_asset
relationships_by_item_id[item_id] ||= []
relationships_by_item_id[item_id] << relationship
end
end
# Set up the relationships to be updated on item save
relationships_by_item_id.each do |item_id, relationships|
items[item_id].parent_swf_asset_relationships_to_update = relationships
end
items.values
end
end