Class: Lentil::ThisorthatController

Inherits:
ApplicationController show all
Defined in:
app/controllers/lentil/thisorthat_controller.rb

Instance Method Summary collapse

Instance Method Details

#battle ⇒ Object 



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# File 'app/controllers/lentil/thisorthat_controller.rb', line 39

def battle
  @title = "Battle"
  @images = get_images
  @prev_winner = session[:prev_winner] || nil

  prev_images = session[:prev_images] || []

  unless prev_images.empty?
    begin
      @prev_images = Image.find(session[:prev_images]).sort_by{ |i| i.id }
    rescue
      @prev_images = []
    end
  else
    @prev_images = []
  end

  if @images.length < 2
    Rails.logger.error "Battle Image Failure: possible service outage"
    render "/lentil/thisorthat/battle_error"
  end
end

#battle_leaders ⇒ Object 



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# File 'app/controllers/lentil/thisorthat_controller.rb', line 18

def battle_leaders
  @title = "Battle Leaders"

  @images = Image.approved.where("win_pct IS NOT NULL").select{ |i| i.battles_count > 4}
  @images = @images.sort_by{ |i| i.win_pct}.reverse.first(25)

  render :action => "../images/index"
end

#get_images ⇒ Object 



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# File 'app/controllers/lentil/thisorthat_controller.rb', line 27

def get_images
  images = Image.approved.order_by_rand.limit(20).sort_by{|i| i.battles_count}
  images = test_urls(images, 2).sort_by{ |i| i.id }

  session[:battle_images] = []
  images.each do |image|
    session[:battle_images] << image.id
  end

  return images
end

#result ⇒ Object 



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# File 'app/controllers/lentil/thisorthat_controller.rb', line 62

def result
  viewed_ids = session[:battle_images] || []

  submitted_ids = []
  params['image'].each do |image|
    submitted_ids << image[0].to_i
  end

  winner_id = params['vote'].to_i

  cond_one = submitted_ids.length == 2
  cond_two = (submitted_ids - viewed_ids).size == 0
  cond_three = submitted_ids.include? winner_id

  if cond_one && cond_two && cond_three
    loser_id = submitted_ids.reject{|id| id == winner_id}.first

    begin
      winner = Image.find(winner_id)
      loser  = Image.find(loser_id)
    rescue => e
      message = "Battle not saved: " << e.message
      Rails.logger.error message
    else
      winner.won_battles.create(:loser => loser)
    end
  else
    message = "Battle not saved"
    message << ": submitted_ids length is not equal to 2" unless cond_one
    message << ": submitted_ids not in viewed_ids" unless cond_two
    message << ": submitted_ids do not include winner_id" unless cond_three
    Rails.logger.error message
  end

  respond_with do |format|
    format.html do
      if request.xhr?
        @images = get_images
        if @images.length < 2
          render :partial => "/layouts/lentil/error", :locals => {:error_message => "Sorry, there was a problem loading images."}
        else
          session[:prev_images] = submitted_ids
          session[:prev_winner] = winner_id
          @prev_images = Lentil::Image.find(submitted_ids).sort_by{ |i| i.id }
          @prev_winner = session[:prev_winner]

          render :partial => "/lentil/thisorthat/battle_form", :locals => { :images => @images, :prev_images => @prev_images, :prev_winner => @prev_winner }, :layout => false, :status => :created
        end
      else
        session[:prev_images] = submitted_ids
        session[:prev_winner] = winner_id
        redirect_to :back
      end
    end
  end
end

#test_urls(images, quantity) ⇒ Object 



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# File 'app/controllers/lentil/thisorthat_controller.rb', line 7

def test_urls(images, quantity)
  image = images.selecting{ |i|
    begin
      res = OEmbed::Providers::Instagram.get(i.url)
      true
    rescue
      false
    end
  }.first(quantity)
end