Add pets:find task to look up pets of a given color/species

lib/tasks/pets.rake

@@ -3,4 +3,20 @@ namespace :pets do
 	task :load, [:name] => [:environment] do |task, args|
 		pp Pet.fetch_viewer_data(args[:name])
 	end
+
+	desc "Find pets that were, last we saw, of the given color and species"
+	task :find, [:color_name, :species_name] => [:environment] do |task, args|
+		begin
+			pt = PetType.matching_name(args.color_name, args.species_name).first!
+		rescue ActiveRecord::RecordNotFound
+			abort "Could not find pet type for " +
+                  "#{args.color_name} #{args.species_name}"
+		end
+
+		limit = ENV.fetch("LIMIT", 10)
+
+		pt.pets.limit(limit).order(id: :desc).pluck(:name).each do |pet_name|
+			puts "- #{pet_name} (https://www.neopets.com/petlookup.phtml?pet=#{pet_name})"
+		end
+	end
 end