```ruby
# frozen_string_literal: true
class Api::V1::PlaysController < ApplicationController
  before_action :authenticate, except: [:index, :create]

  def index
    @plays = Play.page(params[:page])

    @object = {
      result_count: @plays.total_count,
      results: @plays
    }
    render json: @object, include: {track: { except: :response }}
  end

  def create
    @track = Track.find(params[:track_id])
    fail unless @track.sha1?
    @play = @track.plays.create!

    render json: @play, include: {track: { except: :response }}
  end

  def update
    begin
      @play = Play.find(params[:id])
    rescue ActiveRecord::RecordNotFound
      @track = Track.find(params[:track_id])
      @play = @track.plays.build
    end

    @play.played_at ||= Time.now.utc
    @play.save!

    render json: @play, include: {track: { except: :response }}
  end
end
```

Fix `Space inside {} missing` issue
user
```ruby
# frozen_string_literal: true
class Api::V1::PlaysController < ApplicationController
  before_action :authenticate, except: [:index, :create]

  def index
    @plays = Play.page(params[:page])

    @object = {
      result_count: @plays.total_count,
      results: @plays
    }
    render json: @object, include: { track: { except: :response } }
  end

  def create
    @track = Track.find(params[:track_id])
    raise unless @track.sha1?
    @play = @track.plays.create!

    render json: @play, include: { track: { except: :response } }
  end

  def update
    begin
      @play = Play.find(params[:id])
    rescue ActiveRecord::RecordNotFound
      @track = Track.find(params[:track_id])
      @play = @track.plays.build
    end

    @play.played_at ||= Time.now.utc
    @play.save!

    render json: @play, include: { track: { except: :response } }
  end
end
```
assistant