#
# Copyright 2017 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
class HomeController < ApplicationController
  def index
    @cat = Cat.all.sample
    @winners = Cat.joins(:votes).select("cats.*, avg(votes.score) as avg_score").group("cats.id").order("avg_score DESC").limit(3)
  end

  def health_check
    render plain: "Healthy!"
  end
end
