prefer scraped rainbow pool images over pet images

app/models/pet_type.rb

@@ -1,6 +1,6 @@
 class PetType < ActiveRecord::Base
   IMAGE_CPN_FORMAT = 'http://pets.neopets.com/cpn/%s/1/1.png';
-  IMAGE_CP_LOCATION_REGEX = %r{^/cp/(.+?)/1/1\.png$};
+  IMAGE_CP_LOCATION_REGEX = %r{^/cp/(.+?)/[0-9]+/[0-9]+\.png$};
   IMAGE_CPN_ACCEPTABLE_NAME = /^[a-z0-9_]+$/
 
   belongs_to :species
@@ -47,6 +47,11 @@ class PetType < ActiveRecord::Base
     random_pet_types
   end
 
+  def self.get_hash_from_cp_path(path)
+    match = path.match(IMAGE_CP_LOCATION_REGEX)
+    match ? match[1] : nil
+  end
+
   def as_json(options={})
     if options[:for] == 'wardrobe'
       {
@@ -60,14 +65,16 @@ class PetType < ActiveRecord::Base
   end
 
   def image_hash
-    self['image_hash'] || basic_image_hash
+    # If there's a known basic image hash (no clothes), use that.
+    # Otherwise, if we have some image of a pet that we've picked up, use that.
+    # Otherwise, refer to the fallback YAML file (though, if we have our
+    # basic image hashes set correctly, the fallbacks should just be an old
+    # subset of the basic image hashes in the database.)
+    basic_image_hash || self['image_hash'] || fallback_image_hash
   end
 
-  def basic_image_hash
+  def fallback_image_hash
     I18n.with_locale(I18n.default_locale) do
-      # Probably should move the basic hashes into the database someday.
-      # Until then, access the hash using the English color/species names.
-      
       if species && color && BasicHashes[species.name] && BasicHashes[species.name][color.name]
         BasicHashes[species.name][color.name]
       else
@@ -134,10 +141,10 @@ class PetType < ActiveRecord::Base
         end
       end
       new_url = res['location']
-      match = new_url.match(IMAGE_CP_LOCATION_REGEX)
-      if match
-        self.image_hash = match[1]
-        Rails.logger.info "Successfully loaded #{cpn_uri}, saved image hash #{match[1]}"
+      new_image_hash = PetType.get_hash_from_cp_path(new_url)
+      if new_image_hash
+        self.image_hash = new_image_hash
+        Rails.logger.info "Successfully loaded #{cpn_uri}, saved image hash #{new_image_hash}"
       else
         raise DownloadError, "CPN image pointed to #{new_url}, which does not match CP image format"
       end

db/migrate/20150905181350_add_basic_image_hash_to_pet_types.rb

@@ -0,0 +1,5 @@
+class AddBasicImageHashToPetTypes < ActiveRecord::Migration
+  def change
+    add_column :pet_types, :basic_image_hash, :string
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20150802202909) do
+ActiveRecord::Schema.define(:version => 20150905181350) do
 
   create_table "auth_servers", :force => true do |t|
     t.string "short_name", :limit => 10,       :null => false
@@ -266,6 +266,7 @@ ActiveRecord::Schema.define(:version => 20150802202909) do
     t.datetime "created_at",                    :null => false
     t.integer  "body_id",          :limit => 2, :null => false
     t.string   "image_hash",       :limit => 8
+    t.string   "basic_image_hash"
   end
 
   add_index "pet_types", ["species_id", "color_id"], :name => "pet_types_species_color", :unique => true

lib/tasks/pet_types.rake

@@ -46,4 +46,37 @@ namespace :pet_types do
       end
     end
   end
+
+  desc "Download the Rainbow Pool data for the given locale"
+  task :download_basic_image_hashes => :environment do
+    Species.find_each do |species|
+      pool_url = "http://www.neopets.com/pool/all_pb.phtml"
+      pool_options = {
+        :cookies => {:neologin => URI.encode(ENV['NEOLOGIN'])},
+        :params => {:lang => 'en', :f_species_id => species.id}
+      }
+      pool_response = RestClient.get(pool_url, pool_options)
+      pool_doc = Nokogiri::HTML(pool_response)
+
+      counts = {saved: 0, skipped: 0}
+      PetType.transaction do
+        pool_doc.css('a[onclick^="set_pet_img("]').each do |link|
+          color = Color.find_by_name link.text
+          pet_type = PetType.find_by_species_id_and_color_id species, color
+          if pet_type
+            image_hash = PetType.get_hash_from_cp_path(link['onclick'][36..55])
+            pet_type.basic_image_hash = image_hash
+            pet_type.save!
+            counts[:saved] += 1
+            puts "* #{pet_type.human_name}: #{pet_type.basic_image_hash}"
+          else
+            dummy_pet_type = PetType.new color: color, species: species
+            counts[:skipped] += 1
+            puts "  #{dummy_pet_type.human_name}: skip: not yet modeled"
+          end
+        end
+      end
+      puts "- #{species.human_name}: saved #{counts[:saved]}, skipped #{counts[:skipped]}"
+    end
+  end
 end