require 'rocketamf/remote_gateway' require 'ostruct' class Pet < ActiveRecord::Base GATEWAY_URL = 'http://www.neopets.com/amfphp/gateway.php' PET_VIEWER = RocketAMF::RemoteGateway.new(GATEWAY_URL). service('CustomPetService').action('getViewerData') PET_NOT_FOUND_REMOTE_ERROR = 'PHP: Unable to retrieve records from the database.' WARDROBE_PATH = '/wardrobe' belongs_to :pet_type attr_reader :items, :pet_state attr_accessor :contributor scope :with_pet_type_color_ids, lambda { |color_ids| joins(:pet_type).where(PetType.arel_table[:id].in(color_ids)) } def load!(options={}) options[:item_scope] ||= Item.scoped options[:locale] ||= I18n.default_locale I18n.with_locale(options[:locale]) do viewer_data = fetch_viewer_data pet_data = OpenStruct.new(viewer_data.custom_pet) self.pet_type = PetType.find_or_initialize_by_species_id_and_color_id( pet_data.species_id.to_i, pet_data.color_id.to_i ) self.pet_type.body_id = pet_data.body_id self.pet_type.origin_pet = self biology = pet_data.biology_by_zone biology[0] = nil # remove effects if present @pet_state = self.pet_type.add_pet_state_from_biology! biology @pet_state.label_by_pet(self, pet_data.owner) @items = Item.collection_from_pet_type_and_registries(self.pet_type, viewer_data.object_info_registry, viewer_data.object_asset_registry, options[:item_scope]) end true end def fetch_viewer_data begin neopets_language_code = I18n.compatible_neopets_language_code_for(I18n.locale) envelope = PET_VIEWER.request([name, 0]).post( :timeout => 4, :headers => { 'Cookie' => "lang=#{neopets_language_code}" } ) rescue RocketAMF::RemoteGateway::AMFError => e if e.message == PET_NOT_FOUND_REMOTE_ERROR raise PetNotFound, "Pet #{name.inspect} does not exist" end raise DownloadError, e.message rescue RocketAMF::RemoteGateway::ConnectionError => e raise DownloadError, e.message, e.backtrace end OpenStruct.new(envelope.messages[0].data.body) end def wardrobe_query { :name => self.name, :color => self.pet_type.color.id, :species => self.pet_type.species.id, :state => self.pet_state.id, :objects => self.items.map(&:id) }.to_query end def contributables contributables = [pet_type, @pet_state] items.each do |item| contributables << item contributables += item.pending_swf_assets end contributables end def item_translation_candidates {}.tap do |candidates| if @items @items.each do |item| item.needed_translations.each do |locale| candidates[locale] ||= [] candidates[locale] << item end end end end end def translate_items candidates = self.item_translation_candidates until candidates.empty? # Organize known items by ID items_by_id = {} @items.each { |i| items_by_id[i.id] = i } # Fetch registry data in parallel registries = Parallel.map(candidates.keys, :in_threads => 8) do |locale| viewer_data = I18n.with_locale(locale) { fetch_viewer_data } [locale, viewer_data.object_info_registry] end # Look up any newly applied items on this pet, just in case new_item_ids = [] registries.each do |locale, registry| registry.each do |item_id, item_info| item_id = item_id.to_i new_item_ids << item_id unless items_by_id.has_key?(item_id) end end Item.includes(:translations).find(new_item_ids).each do |item| items_by_id[item.id] = item end # Apply translations, and figure out what items are currently being worn current_items = Set.new registries.each do |locale, registry| I18n.with_locale(locale) do registry.each do |item_id, item_info| item = items_by_id[item_id.to_i] item.origin_registry_info = item_info current_items << item end end end @items = current_items Item.transaction { @items.each { |i| i.save! if i.changed? } } previous_candidates = candidates candidates = item_translation_candidates if previous_candidates == candidates # This condition should never happen if Neopets responds with correct # data, but, if Neopets somehow responds with incorrect data, this # condition could throw us into an infinite loop if uncaught. Better # safe than sorry when working with external services. raise "No change when reloading #{name} for #{candidates}" end end end before_validation do pet_type.save! if @pet_state @pet_state.save! @pet_state.handle_assets! end if @items @items.each do |item| item.save! if item.changed? item.handle_assets! end end end def self.load(name, options={}) pet = Pet.find_or_initialize_by_name(name) pet.load!(options) pet end class PetNotFound < Exception;end class DownloadError < Exception;end end